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/* Copyright (C) 2000-2003 MySQL AB
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   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include "mysql_priv.h"
#include <m_ctype.h>
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#include <my_dir.h>
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#include "slave.h"
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#include "rpl_mi.h"
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#include "sql_repl.h"
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#include "rpl_filter.h"
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#include "repl_failsafe.h"
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#include "stacktrace.h"
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#include "mysqld_suffix.h"
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#include "mysys_err.h"
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#include "events.h"
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#include "../storage/myisam/ha_myisam.h"
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#include "rpl_injector.h"

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#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
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#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
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#if defined(NOT_ENOUGH_TESTED) \
  && defined(NDB_SHM_TRANSPORTER) && MYSQL_VERSION_ID >= 50000
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#define OPT_NDB_SHM_DEFAULT 1
#else
#define OPT_NDB_SHM_DEFAULT 0
#endif
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#endif

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#ifndef DEFAULT_SKIP_THREAD_PRIORITY
#define DEFAULT_SKIP_THREAD_PRIORITY 0
#endif

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#include <thr_alarm.h>
#include <ft_global.h>
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#include <errmsg.h>
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#include "sp_rcontext.h"
#include "sp_cache.h"
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#define mysqld_charset &my_charset_latin1
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#ifdef HAVE_purify
#define IF_PURIFY(A,B) (A)
#else
#define IF_PURIFY(A,B) (B)
#endif

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#if SIZEOF_CHARP == 4
#define MAX_MEM_TABLE_SIZE ~(ulong) 0
#else
#define MAX_MEM_TABLE_SIZE ~(ulonglong) 0
#endif

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/* stack traces are only supported on linux intel */
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#if defined(__linux__)  && defined(__i386__) && defined(USE_PSTACK)
#define	HAVE_STACK_TRACE_ON_SEGV
#include "../pstack/pstack.h"
char pstack_file_name[80];
#endif /* __linux__ */

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/* We have HAVE_purify below as this speeds up the shutdown of MySQL */

#if defined(HAVE_DEC_3_2_THREADS) || defined(SIGNALS_DONT_BREAK_READ) || defined(HAVE_purify) && defined(__linux__)
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#define HAVE_CLOSE_SERVER_SOCK 1
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#endif
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extern "C" {					// Because of SCO 3.2V4.2
#include <errno.h>
#include <sys/stat.h>
#ifndef __GNU_LIBRARY__
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#define __GNU_LIBRARY__				// Skip warnings in getopt.h
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#endif
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#include <my_getopt.h>
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#ifdef HAVE_SYSENT_H
#include <sysent.h>
#endif
#ifdef HAVE_PWD_H
#include <pwd.h>				// For getpwent
#endif
#ifdef HAVE_GRP_H
#include <grp.h>
#endif
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#include <my_net.h>
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#if !defined(__WIN__)
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#  ifndef __NETWARE__
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#include <sys/resource.h>
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#  endif /* __NETWARE__ */
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#ifdef HAVE_SYS_UN_H
#  include <sys/un.h>
#endif
#include <netdb.h>
#ifdef HAVE_SELECT_H
#  include <select.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#include <sys/utsname.h>
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#endif /* __WIN__ */
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#include <my_libwrap.h>
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#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif

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#ifdef __NETWARE__
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#define zVOLSTATE_ACTIVE 6
#define zVOLSTATE_DEACTIVE 2
#define zVOLSTATE_MAINTENANCE 3

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#undef __event_h__
#include <../include/event.h>
/*
  This #undef exists here because both libc of NetWare and MySQL have
  files named event.h which causes compilation errors.
*/

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#include <nks/netware.h>
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#include <nks/vm.h>
#include <library.h>
#include <monitor.h>
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#include <zOmni.h>                              //For NEB
#include <neb.h>                                //For NEB
#include <nebpub.h>                             //For NEB
#include <zEvent.h>                             //For NSS event structures
#include <zPublics.h>

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static void *neb_consumer_id= NULL;             //For storing NEB consumer id
static char datavolname[256]= {0};
static VolumeID_t datavolid;
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static event_handle_t eh;
static Report_t ref;
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static void *refneb= NULL;
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my_bool event_flag= FALSE;
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static int volumeid= -1;
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  /* NEB event callback */
unsigned long neb_event_callback(struct EventBlock *eblock);
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static void registerwithneb();
static void getvolumename();
static void getvolumeID(BYTE *volumeName);
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#endif /* __NETWARE__ */
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#ifdef _AIX41
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int initgroups(const char *,unsigned int);
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#endif

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#if defined(__FreeBSD__) && defined(HAVE_IEEEFP_H)
#include <ieeefp.h>
#ifdef HAVE_FP_EXCEPT				// Fix type conflict
typedef fp_except fp_except_t;
#endif

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  /* We can't handle floating point exceptions with threads, so disable
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     this on freebsd
  */

inline void reset_floating_point_exceptions()
{
  /* Don't fall for overflow, underflow,divide-by-zero or loss of precision */
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#if defined(__i386__)
  fpsetmask(~(FP_X_INV | FP_X_DNML | FP_X_OFL | FP_X_UFL | FP_X_DZ |
	      FP_X_IMP));
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#else
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 fpsetmask(~(FP_X_INV |             FP_X_OFL | FP_X_UFL | FP_X_DZ |
	     FP_X_IMP));
#endif
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}
#else
#define reset_floating_point_exceptions()
#endif /* __FreeBSD__ && HAVE_IEEEFP_H */

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} /* cplusplus */

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#define MYSQL_KILL_SIGNAL SIGTERM
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#ifdef HAVE_GLIBC2_STYLE_GETHOSTBYNAME_R
#include <sys/types.h>
#else
#include <my_pthread.h>			// For thr_setconcurency()
#endif

#ifdef SOLARIS
extern "C" int gethostname(char *name, int namelen);
#endif

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/* Constants */
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const char *show_comp_option_name[]= {"YES", "NO", "DISABLED"};
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static const char *sql_mode_names[]=
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{
  "REAL_AS_FLOAT", "PIPES_AS_CONCAT", "ANSI_QUOTES", "IGNORE_SPACE",
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  "?", "ONLY_FULL_GROUP_BY", "NO_UNSIGNED_SUBTRACTION",
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  "NO_DIR_IN_CREATE",
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  "POSTGRESQL", "ORACLE", "MSSQL", "DB2", "MAXDB", "NO_KEY_OPTIONS",
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  "NO_TABLE_OPTIONS", "NO_FIELD_OPTIONS", "MYSQL323", "MYSQL40", "ANSI",
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  "NO_AUTO_VALUE_ON_ZERO", "NO_BACKSLASH_ESCAPES", "STRICT_TRANS_TABLES",
  "STRICT_ALL_TABLES",
  "NO_ZERO_IN_DATE", "NO_ZERO_DATE", "ALLOW_INVALID_DATES",
  "ERROR_FOR_DIVISION_BY_ZERO",
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  "TRADITIONAL", "NO_AUTO_CREATE_USER", "HIGH_NOT_PRECEDENCE",
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  "NO_ENGINE_SUBSTITUTION",
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  "PAD_CHAR_TO_FULL_LENGTH",
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  NullS
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};
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static const unsigned int sql_mode_names_len[]=
{
  /*REAL_AS_FLOAT*/               13,
  /*PIPES_AS_CONCAT*/             15,
  /*ANSI_QUOTES*/                 11,
  /*IGNORE_SPACE*/                12,
  /*?*/                           1,
  /*ONLY_FULL_GROUP_BY*/          18,
  /*NO_UNSIGNED_SUBTRACTION*/     23,
  /*NO_DIR_IN_CREATE*/            16,
  /*POSTGRESQL*/                  10,
  /*ORACLE*/                      6,
  /*MSSQL*/                       5,
  /*DB2*/                         3,
  /*MAXDB*/                       5,
  /*NO_KEY_OPTIONS*/              14,
  /*NO_TABLE_OPTIONS*/            16,
  /*NO_FIELD_OPTIONS*/            16,
  /*MYSQL323*/                    8,
  /*MYSQL40*/                     7,
  /*ANSI*/                        4,
  /*NO_AUTO_VALUE_ON_ZERO*/       21,
  /*NO_BACKSLASH_ESCAPES*/        20,
  /*STRICT_TRANS_TABLES*/         19,
  /*STRICT_ALL_TABLES*/           17,
  /*NO_ZERO_IN_DATE*/             15,
  /*NO_ZERO_DATE*/                12,
  /*ALLOW_INVALID_DATES*/         19,
  /*ERROR_FOR_DIVISION_BY_ZERO*/  26,
  /*TRADITIONAL*/                 11,
  /*NO_AUTO_CREATE_USER*/         19,
  /*HIGH_NOT_PRECEDENCE*/         19,
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  /*NO_ENGINE_SUBSTITUTION*/      22,
  /*PAD_CHAR_TO_FULL_LENGTH*/     23
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};
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TYPELIB sql_mode_typelib= { array_elements(sql_mode_names)-1,"",
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			    sql_mode_names,
                            (unsigned int *)sql_mode_names_len };
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static const char *tc_heuristic_recover_names[]=
{
  "COMMIT", "ROLLBACK", NullS
};
static TYPELIB tc_heuristic_recover_typelib=
{
  array_elements(tc_heuristic_recover_names)-1,"",
  tc_heuristic_recover_names, NULL
};
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static const char *thread_handling_names[]=
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{ "one-thread-per-connection", "no-threads",
#if HAVE_POOL_OF_THREADS == 1
  "pool-of-threads",
#endif
  NullS};
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TYPELIB thread_handling_typelib=
{
  array_elements(thread_handling_names) - 1, "",
  thread_handling_names, NULL
};

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const char *first_keyword= "first", *binary_keyword= "BINARY";
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const char *my_localhost= "localhost", *delayed_user= "DELAYED";
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#if SIZEOF_OFF_T > 4 && defined(BIG_TABLES)
#define GET_HA_ROWS GET_ULL
#else
#define GET_HA_ROWS GET_ULONG
#endif

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bool opt_large_files= sizeof(my_off_t) > 4;
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/*
  Used with --help for detailed option
*/
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static my_bool opt_help= 0, opt_verbose= 0;
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arg_cmp_func Arg_comparator::comparator_matrix[5][2] =
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{{&Arg_comparator::compare_string,     &Arg_comparator::compare_e_string},
 {&Arg_comparator::compare_real,       &Arg_comparator::compare_e_real},
 {&Arg_comparator::compare_int_signed, &Arg_comparator::compare_e_int},
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 {&Arg_comparator::compare_row,        &Arg_comparator::compare_e_row},
 {&Arg_comparator::compare_decimal,    &Arg_comparator::compare_e_decimal}};
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const char *log_output_names[] = { "NONE", "FILE", "TABLE", NullS};
static const unsigned int log_output_names_len[]= { 4, 4, 5, 0 };
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TYPELIB log_output_typelib= {array_elements(log_output_names)-1,"",
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                             log_output_names, 
                             (unsigned int *) log_output_names_len};
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/* static variables */

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/* the default log output is log tables */
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static bool lower_case_table_names_used= 0;
static bool volatile select_thread_in_use, signal_thread_in_use;
static bool volatile ready_to_exit;
static my_bool opt_debugging= 0, opt_external_locking= 0, opt_console= 0;
static my_bool opt_short_log_format= 0;
static uint kill_cached_threads, wake_thread;
static ulong killed_threads, thread_created;
static ulong max_used_connections;
static ulong my_bind_addr;			/* the address we bind to */
static volatile ulong cached_thread_count= 0;
static const char *sql_mode_str= "OFF";
static char *mysqld_user, *mysqld_chroot, *log_error_file_ptr;
static char *opt_init_slave, *language_ptr, *opt_init_connect;
static char *default_character_set_name;
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static char *character_set_filesystem_name;
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static char *lc_time_names_name;
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static char *my_bind_addr_str;
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static char *default_collation_name; 
static char *default_storage_engine_str;
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static char compiled_default_collation_name[]= MYSQL_DEFAULT_COLLATION_NAME;
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static I_List<THD> thread_cache;
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static double long_query_time;
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static pthread_cond_t COND_thread_cache, COND_flush_thread_cache;

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/* Global variables */
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bool opt_update_log, opt_bin_log;
my_bool opt_log, opt_slow_log;
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ulong log_output_options;
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my_bool opt_log_queries_not_using_indexes= 0;
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bool opt_error_log= IF_WIN(1,0);
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bool opt_disable_networking=0, opt_skip_show_db=0;
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my_bool opt_character_set_client_handshake= 1;
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bool server_id_supplied = 0;
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bool opt_endinfo, using_udf_functions;
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my_bool locked_in_memory;
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bool opt_using_transactions, using_update_log;
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bool volatile abort_loop;
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bool volatile shutdown_in_progress;
/**
   @brief 'grant_option' is used to indicate if privileges needs
   to be checked, in which case the lock, LOCK_grant, is used
   to protect access to the grant table.
   @note This flag is dropped in 5.1 
   @see grant_init()
 */
bool volatile grant_option;
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my_bool opt_skip_slave_start = 0; // If set, slave is not autostarted
my_bool opt_reckless_slave = 0;
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my_bool opt_enable_named_pipe= 0;
my_bool opt_local_infile, opt_slave_compressed_protocol;
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my_bool opt_safe_user_create = 0, opt_no_mix_types = 0;
my_bool opt_show_slave_auth_info, opt_sql_bin_update = 0;
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my_bool opt_log_slave_updates= 0;
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bool slave_warning_issued = false; 
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/*
  Legacy global handlerton. These will be removed (please do not add more).
*/
handlerton *heap_hton;
handlerton *myisam_hton;
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handlerton *partition_hton;
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#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
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const char *opt_ndbcluster_connectstring= 0;
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const char *opt_ndb_connectstring= 0;
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char opt_ndb_constrbuf[1024]= {0};
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unsigned opt_ndb_constrbuf_len= 0;
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my_bool	opt_ndb_shm, opt_ndb_optimized_node_selection;
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ulong opt_ndb_cache_check_time;
const char *opt_ndb_mgmd;
ulong opt_ndb_nodeid;
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ulong ndb_extra_logging;
#ifdef HAVE_NDB_BINLOG
ulong ndb_report_thresh_binlog_epoch_slip;
ulong ndb_report_thresh_binlog_mem_usage;
#endif
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extern const char *ndb_distribution_names[];
extern TYPELIB ndb_distribution_typelib;
extern const char *opt_ndb_distribution;
extern enum ndb_distribution opt_ndb_distribution_id;
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#endif
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my_bool opt_readonly, use_temp_pool, relay_log_purge;
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my_bool opt_sync_frm, opt_allow_suspicious_udfs;
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my_bool opt_secure_auth= 0;
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char* opt_secure_file_priv= 0;
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my_bool opt_log_slow_admin_statements= 0;
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my_bool opt_log_slow_slave_statements= 0;
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my_bool lower_case_file_system= 0;
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my_bool opt_large_pages= 0;
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my_bool opt_myisam_use_mmap= 0;
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uint    opt_large_page_size= 0;
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my_bool opt_old_style_user_limits= 0, trust_function_creators= 0;
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/*
  True if there is at least one per-hour limit for some user, so we should
  check them before each query (and possibly reset counters when hour is
  changed). False otherwise.
*/
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volatile bool mqh_used = 0;
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my_bool opt_noacl;
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my_bool sp_automatic_privileges= 1;
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ulong opt_binlog_rows_event_max_size;
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const char *binlog_format_names[]= {"MIXED", "STATEMENT", "ROW", NullS};
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TYPELIB binlog_format_typelib=
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  { array_elements(binlog_format_names) - 1, "",
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    binlog_format_names, NULL };
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ulong opt_binlog_format_id= (ulong) BINLOG_FORMAT_UNSPEC;
const char *opt_binlog_format= binlog_format_names[opt_binlog_format_id];
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#ifdef HAVE_INITGROUPS
static bool calling_initgroups= FALSE; /* Used in SIGSEGV handler. */
#endif
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uint mysqld_port, test_flags, select_errors, dropping_tables, ha_open_options;
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uint mysqld_port_timeout;
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uint delay_key_write_options, protocol_version;
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uint lower_case_table_names;
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uint tc_heuristic_recover= 0;
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uint volatile thread_count, thread_running;
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ulonglong thd_startup_options;
ulong back_log, connect_timeout, concurrency, server_id;
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ulong table_cache_size, table_def_size;
ulong thread_stack, what_to_log;
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ulong query_buff_size, slow_launch_time, slave_open_temp_tables;
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ulong open_files_limit, max_binlog_size, max_relay_log_size;
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ulong slave_net_timeout, slave_trans_retries;
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ulong thread_cache_size=0, thread_pool_size= 0;
ulong binlog_cache_size=0, max_binlog_cache_size=0;
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ulong query_cache_size=0;
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ulong refresh_version;  /* Increments on each reload */
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query_id_t global_query_id;
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ulong aborted_threads, aborted_connects;
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ulong delayed_insert_timeout, delayed_insert_limit, delayed_queue_size;
ulong delayed_insert_threads, delayed_insert_writes, delayed_rows_in_use;
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ulong delayed_insert_errors,flush_time;
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ulong specialflag=0;
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ulong binlog_cache_use= 0, binlog_cache_disk_use= 0;
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ulong max_connections, max_connect_errors;
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uint  max_user_connections= 0;
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/*
  Limit of the total number of prepared statements in the server.
  Is necessary to protect the server against out-of-memory attacks.
*/
ulong max_prepared_stmt_count;
/*
  Current total number of prepared statements in the server. This number
  is exact, and therefore may not be equal to the difference between
  `com_stmt_prepare' and `com_stmt_close' (global status variables), as
  the latter ones account for all registered attempts to prepare
  a statement (including unsuccessful ones).  Prepared statements are
  currently connection-local: if the same SQL query text is prepared in
  two different connections, this counts as two distinct prepared
  statements.
*/
ulong prepared_stmt_count=0;
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ulong thread_id=1L,current_pid;
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ulong slow_launch_threads = 0, sync_binlog_period;
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ulong expire_logs_days = 0;
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ulong rpl_recovery_rank=0;
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const char *log_output_str= "TABLE";
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time_t server_start_time;
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char mysql_home[FN_REFLEN], pidfile_name[FN_REFLEN], system_time_zone[30];
char *default_tz_name;
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char log_error_file[FN_REFLEN], glob_hostname[FN_REFLEN];
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char mysql_real_data_home[FN_REFLEN],
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     language[FN_REFLEN], reg_ext[FN_EXTLEN], mysql_charsets_dir[FN_REFLEN],
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     *opt_init_file, *opt_tc_log_file,
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     def_ft_boolean_syntax[sizeof(ft_boolean_syntax)];
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uint reg_ext_length;
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const key_map key_map_empty(0);
key_map key_map_full(0);                        // Will be initialized later

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const char *opt_date_time_formats[3];
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uint mysql_data_home_len;
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char mysql_data_home_buff[2], *mysql_data_home=mysql_real_data_home;
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char server_version[SERVER_VERSION_LENGTH];
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char *mysqld_unix_port, *opt_mysql_tmpdir;
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const char **errmesg;			/* Error messages */
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const char *myisam_recover_options_str="OFF";
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const char *myisam_stats_method_str="nulls_unequal";
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/* name of reference on left espression in rewritten IN subquery */
const char *in_left_expr_name= "<left expr>";
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/* name of additional condition */
const char *in_additional_cond= "<IN COND>";
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const char *in_having_cond= "<IN HAVING>";

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my_decimal decimal_zero;
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/* classes for comparation parsing/processing */
Eq_creator eq_creator;
Ne_creator ne_creator;
Gt_creator gt_creator;
Lt_creator lt_creator;
Ge_creator ge_creator;
Le_creator le_creator;

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FILE *bootstrap_file;
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int bootstrap_error;
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FILE *stderror_file=0;
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I_List<THD> threads;
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I_List<NAMED_LIST> key_caches;
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Rpl_filter* rpl_filter;
Rpl_filter* binlog_filter;
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struct system_variables global_system_variables;
struct system_variables max_system_variables;
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struct system_status_var global_status_var;
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MY_TMPDIR mysql_tmpdir_list;
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MY_BITMAP temp_pool;
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CHARSET_INFO *system_charset_info, *files_charset_info ;
CHARSET_INFO *national_charset_info, *table_alias_charset;
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CHARSET_INFO *character_set_filesystem;
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MY_LOCALE *my_default_lc_time_names;

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SHOW_COMP_OPTION have_ssl, have_symlink, have_dlopen, have_query_cache;
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SHOW_COMP_OPTION have_geometry, have_rtree_keys;
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SHOW_COMP_OPTION have_crypt, have_compress;

/* Thread specific variables */
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pthread_key(MEM_ROOT**,THR_MALLOC);
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pthread_key(THD*, THR_THD);
pthread_mutex_t LOCK_mysql_create_db, LOCK_Acl, LOCK_open, LOCK_thread_count,
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		LOCK_mapped_file, LOCK_status, LOCK_global_read_lock,
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		LOCK_error_log, LOCK_uuid_generator,
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		LOCK_delayed_insert, LOCK_delayed_status, LOCK_delayed_create,
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		LOCK_crypt, LOCK_bytes_sent, LOCK_bytes_received,
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	        LOCK_global_system_variables,
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		LOCK_user_conn, LOCK_slave_list, LOCK_active_mi;
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/*
  The below lock protects access to two global server variables:
  max_prepared_stmt_count and prepared_stmt_count. These variables
  set the limit and hold the current total number of prepared statements
  in the server, respectively. As PREPARE/DEALLOCATE rate in a loaded
  server may be fairly high, we need a dedicated lock.
*/
pthread_mutex_t LOCK_prepared_stmt_count;
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#ifdef HAVE_OPENSSL
pthread_mutex_t LOCK_des_key_file;
#endif
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rw_lock_t	LOCK_grant, LOCK_sys_init_connect, LOCK_sys_init_slave;
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rw_lock_t	LOCK_system_variables_hash;
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pthread_cond_t COND_refresh, COND_thread_count, COND_global_read_lock;
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pthread_t signal_thread;
pthread_attr_t connection_attrib;
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pthread_mutex_t  LOCK_server_started;
pthread_cond_t  COND_server_started;

int mysqld_server_started= 0;
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File_parser_dummy_hook file_parser_dummy_hook;

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/* replication parameters, if master_host is not NULL, we are a slave */
uint master_port= MYSQL_PORT, master_connect_retry = 60;
uint report_port= MYSQL_PORT;
ulong master_retry_count=0;
char *master_user, *master_password, *master_host, *master_info_file;
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char *relay_log_info_file, *report_user, *report_password, *report_host;
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char *opt_relay_logname = 0, *opt_relaylog_index_name=0;
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my_bool master_ssl;
char *master_ssl_key, *master_ssl_cert;
char *master_ssl_ca, *master_ssl_capath, *master_ssl_cipher;
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char *opt_logname, *opt_slow_logname;
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/* Static variables */

static bool kill_in_progress, segfaulted;
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static my_bool opt_do_pstack, opt_bootstrap, opt_myisam_log;
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static int cleanup_done;
static ulong opt_specialflag, opt_myisam_block_size;
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static char *opt_update_logname, *opt_binlog_index_name;
static char *opt_tc_heuristic_recover;
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static char *mysql_home_ptr, *pidfile_name_ptr;
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static int defaults_argc;
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static char **defaults_argv;
static char *opt_bin_logname;

static my_socket unix_sock,ip_sock;
struct rand_struct sql_rand; // used by sql_class.cc:THD::THD()

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#ifndef EMBEDDED_LIBRARY
struct passwd *user_info;
static pthread_t select_thread;
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static uint thr_kill_signal;
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#endif

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/* OS specific variables */

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#ifdef __WIN__
#undef	 getpid
#include <process.h>
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static pthread_cond_t COND_handler_count;
static uint handler_count;
static bool start_mode=0, use_opt_args;
static int opt_argc;
static char **opt_argv;

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#if !defined(EMBEDDED_LIBRARY)
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static HANDLE hEventShutdown;
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static char shutdown_event_name[40];
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#include "nt_servc.h"
static	 NTService  Service;	      // Service object for WinNT
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#endif /* EMBEDDED_LIBRARY */
#endif /* __WIN__ */

#ifdef __NT__
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static char pipe_name[512];
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static SECURITY_ATTRIBUTES saPipeSecurity;
static SECURITY_DESCRIPTOR sdPipeDescriptor;
static HANDLE hPipe = INVALID_HANDLE_VALUE;
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#endif
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#ifndef EMBEDDED_LIBRARY
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bool mysqld_embedded=0;
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#else
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bool mysqld_embedded=1;
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#endif

#ifndef DBUG_OFF
static const char* default_dbug_option;
#endif
#ifdef HAVE_LIBWRAP
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const char *libwrapName= NULL;
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int allow_severity = LOG_INFO;
int deny_severity = LOG_WARNING;
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#endif
#ifdef HAVE_QUERY_CACHE
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static ulong query_cache_limit= 0;
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ulong query_cache_min_res_unit= QUERY_CACHE_MIN_RESULT_DATA_SIZE;
Query_cache query_cache;
#endif
#ifdef HAVE_SMEM
char *shared_memory_base_name= default_shared_memory_base_name;
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my_bool opt_enable_shared_memory;
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HANDLE smem_event_connect_request= 0;
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#endif

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scheduler_functions thread_scheduler;

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#define SSL_VARS_NOT_STATIC
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#include "sslopt-vars.h"
#ifdef HAVE_OPENSSL
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#include <openssl/crypto.h>
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#ifndef HAVE_YASSL
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typedef struct CRYPTO_dynlock_value
{
  rw_lock_t lock;
} openssl_lock_t;

static openssl_lock_t *openssl_stdlocks;
static openssl_lock_t *openssl_dynlock_create(const char *, int);
static void openssl_dynlock_destroy(openssl_lock_t *, const char *, int);
static void openssl_lock_function(int, int, const char *, int);
static void openssl_lock(int, openssl_lock_t *, const char *, int);
static unsigned long openssl_id_function();
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#endif
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char *des_key_file;
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struct st_VioSSLFd *ssl_acceptor_fd;
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#endif /* HAVE_OPENSSL */


/* Function declarations */

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pthread_handler_t signal_hand(void *arg);
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static void mysql_init_variables(void);
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static void get_options(int *argc,char **argv);
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extern "C" my_bool mysqld_get_one_option(int, const struct my_option *, char *);
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static void set_server_version(void);
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static int init_thread_environment();
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static char *get_relative_path(const char *path);
static void fix_paths(void);
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pthread_handler_t handle_connections_sockets(void *arg);
pthread_handler_t kill_server_thread(void *arg);
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static void bootstrap(FILE *file);
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static bool read_init_file(char *file_name);
#ifdef __NT__
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pthread_handler_t handle_connections_namedpipes(void *arg);
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#endif
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#ifdef HAVE_SMEM
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pthread_handler_t handle_connections_shared_memory(void *arg);
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#endif
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pthread_handler_t handle_slave(void *arg);
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static ulong find_bit_type(const char *x, TYPELIB *bit_lib);
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static ulong find_bit_type_or_exit(const char *x, TYPELIB *bit_lib,
                                   const char *option);
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static void clean_up(bool print_message);
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static int test_if_case_insensitive(const char *dir_name);

#ifndef EMBEDDED_LIBRARY
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static void usage(void);
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static void start_signal_handler(void);
static void close_server_sock();
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static void clean_up_mutexes(void);
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static void wait_for_signal_thread_to_end(void);
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static void create_pid_file();
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static void end_ssl();
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#endif

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#ifndef EMBEDDED_LIBRARY
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/****************************************************************************
** Code to end mysqld
****************************************************************************/

static void close_connections(void)
{
#ifdef EXTRA_DEBUG
  int count=0;
#endif
  DBUG_ENTER("close_connections");

  /* Clear thread cache */
  kill_cached_threads++;
  flush_thread_cache();

  /* kill flush thread */
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  (void) pthread_mutex_lock(&LOCK_manager);
  if (manager_thread_in_use)
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  {
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    DBUG_PRINT("quit", ("killing manager thread: 0x%lx",
                        (ulong)manager_thread));
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   (void) pthread_cond_signal(&COND_manager);
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  }
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  (void) pthread_mutex_unlock(&LOCK_manager);
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  /* kill connection thread */
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#if !defined(__WIN__) && !defined(__NETWARE__)
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  DBUG_PRINT("quit", ("waiting for select thread: 0x%lx",
                      (ulong) select_thread));
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  (void) pthread_mutex_lock(&LOCK_thread_count);

  while (select_thread_in_use)
  {
    struct timespec abstime;
    int error;
    LINT_INIT(error);
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    DBUG_PRINT("info",("Waiting for select thread"));
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#ifndef DONT_USE_THR_ALARM
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    if (pthread_kill(select_thread, thr_client_alarm))
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      break;					// allready dead
#endif
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    set_timespec(abstime, 2);
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    for (uint tmp=0 ; tmp < 10 && select_thread_in_use; tmp++)
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    {
      error=pthread_cond_timedwait(&COND_thread_count,&LOCK_thread_count,
				   &abstime);
      if (error != EINTR)
	break;
    }
#ifdef EXTRA_DEBUG
    if (error != 0 && !count++)
      sql_print_error("Got error %d from pthread_cond_timedwait",error);
#endif
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    close_server_sock();
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  }
  (void) pthread_mutex_unlock(&LOCK_thread_count);
#endif /* __WIN__ */


  /* Abort listening to new connections */
  DBUG_PRINT("quit",("Closing sockets"));
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  if (!opt_disable_networking )
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  {
    if (ip_sock != INVALID_SOCKET)
    {
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      (void) shutdown(ip_sock, SHUT_RDWR);
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      (void) closesocket(ip_sock);
      ip_sock= INVALID_SOCKET;
    }
  }
#ifdef __NT__
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  if (hPipe != INVALID_HANDLE_VALUE && opt_enable_named_pipe)
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  {
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    HANDLE temp;
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    DBUG_PRINT("quit", ("Closing named pipes") );
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    /* Create connection to the handle named pipe handler to break the loop */
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    if ((temp = CreateFile(pipe_name,
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			   GENERIC_READ | GENERIC_WRITE,
			   0,
			   NULL,
			   OPEN_EXISTING,
			   0,
			   NULL )) != INVALID_HANDLE_VALUE)
    {
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      WaitNamedPipe(pipe_name, 1000);
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      DWORD dwMode = PIPE_READMODE_BYTE | PIPE_WAIT;
      SetNamedPipeHandleState(temp, &dwMode, NULL, NULL);
      CancelIo(temp);
      DisconnectNamedPipe(temp);
      CloseHandle(temp);
    }
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  }
#endif
#ifdef HAVE_SYS_UN_H
  if (unix_sock != INVALID_SOCKET)
  {
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    (void) shutdown(unix_sock, SHUT_RDWR);
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    (void) closesocket(unix_sock);
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    (void) unlink(mysqld_unix_port);
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    unix_sock= INVALID_SOCKET;
  }
#endif
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  end_thr_alarm(0);			 // Abort old alarms.
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  /*
    First signal all threads that it's time to die
    This will give the threads some time to gracefully abort their
    statements and inform their clients that the server is about to die.
  */
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  THD *tmp;
  (void) pthread_mutex_lock(&LOCK_thread_count); // For unlink from list

  I_List_iterator<THD> it(threads);
  while ((tmp=it++))
  {
    DBUG_PRINT("quit",("Informing thread %ld that it's time to die",
		       tmp->thread_id));
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    /* We skip slave threads & scheduler on this first loop through. */
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    if (tmp->slave_thread)
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      continue;
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    tmp->killed= THD::KILL_CONNECTION;
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    thread_scheduler.post_kill_notification(tmp);
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    if (tmp->mysys_var)
    {
      tmp->mysys_var->abort=1;
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      pthread_mutex_lock(&tmp->mysys_var->mutex);
      if (tmp->mysys_var->current_cond)
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      {
	pthread_mutex_lock(tmp->mysys_var->current_mutex);
	pthread_cond_broadcast(tmp->mysys_var->current_cond);
	pthread_mutex_unlock(tmp->mysys_var->current_mutex);
      }
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      pthread_mutex_unlock(&tmp->mysys_var->mutex);
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    }
  }
  (void) pthread_mutex_unlock(&LOCK_thread_count); // For unlink from list

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  Events::deinit();
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  end_slave();

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  if (thread_count)
875
    sleep(2);					// Give threads time to die
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  /*
    Force remaining threads to die by closing the connection to the client
    This will ensure that threads that are waiting for a command from the
    client on a blocking read call are aborted.
  */
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  for (;;)
  {
    DBUG_PRINT("quit",("Locking LOCK_thread_count"));
    (void) pthread_mutex_lock(&LOCK_thread_count); // For unlink from list
    if (!(tmp=threads.get()))
    {
      DBUG_PRINT("quit",("Unlocking LOCK_thread_count"));
      (void) pthread_mutex_unlock(&LOCK_thread_count);
      break;
    }
#ifndef __bsdi__				// Bug in BSDI kernel
894
    if (tmp->vio_ok())
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    {
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      if (global_system_variables.log_warnings)
        sql_print_warning(ER(ER_FORCING_CLOSE),my_progname,
898
                          tmp->thread_id,
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                          (tmp->main_security_ctx.user ?
                           tmp->main_security_ctx.user : ""));
901
      close_connection(tmp,0,0);
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    }
#endif
    DBUG_PRINT("quit",("Unlocking LOCK_thread_count"));
    (void) pthread_mutex_unlock(&LOCK_thread_count);
  }
  /* All threads has now been aborted */
  DBUG_PRINT("quit",("Waiting for threads to die (count=%u)",thread_count));
  (void) pthread_mutex_lock(&LOCK_thread_count);
  while (thread_count)
  {
    (void) pthread_cond_wait(&COND_thread_count,&LOCK_thread_count);
    DBUG_PRINT("quit",("One thread died (count=%u)",thread_count));
  }
  (void) pthread_mutex_unlock(&LOCK_thread_count);

  DBUG_PRINT("quit",("close_connections thread"));
  DBUG_VOID_RETURN;
}

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922
static void close_server_sock()
923
{
924
#ifdef HAVE_CLOSE_SERVER_SOCK
925
  DBUG_ENTER("close_server_sock");
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  my_socket tmp_sock;
  tmp_sock=ip_sock;
  if (tmp_sock != INVALID_SOCKET)
929 930
  {
    ip_sock=INVALID_SOCKET;
931
    DBUG_PRINT("info",("calling shutdown on TCP/IP socket"));
932
    VOID(shutdown(tmp_sock, SHUT_RDWR));
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933
#if defined(__NETWARE__)
934
    /*
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935 936
      The following code is disabled for normal systems as it causes MySQL
      to hang on AIX 4.3 during shutdown
937
    */
938
    DBUG_PRINT("info",("calling closesocket on TCP/IP socket"));
939
    VOID(closesocket(tmp_sock));
940
#endif
941
  }
942 943
  tmp_sock=unix_sock;
  if (tmp_sock != INVALID_SOCKET)
944
  {
945
    unix_sock=INVALID_SOCKET;
946
    DBUG_PRINT("info",("calling shutdown on unix socket"));
947
    VOID(shutdown(tmp_sock, SHUT_RDWR));
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948
#if defined(__NETWARE__)
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949
    /*
950 951
      The following code is disabled for normal systems as it may cause MySQL
      to hang on AIX 4.3 during shutdown
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monty@hundin.mysql.fi committed
952 953
    */
    DBUG_PRINT("info",("calling closesocket on unix/IP socket"));
954
    VOID(closesocket(tmp_sock));
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#endif
956
    VOID(unlink(mysqld_unix_port));
957 958 959
  }
  DBUG_VOID_RETURN;
#endif
960
}
961

962 963
#endif /*EMBEDDED_LIBRARY*/

964

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965 966 967 968
void kill_mysql(void)
{
  DBUG_ENTER("kill_mysql");

969
#if defined(SIGNALS_DONT_BREAK_READ) && !defined(EMBEDDED_LIBRARY)
970 971
  abort_loop=1;					// Break connection loops
  close_server_sock();				// Force accept to wake up
972
#endif
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#if defined(__WIN__)
975
#if !defined(EMBEDDED_LIBRARY)
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  {
    if (!SetEvent(hEventShutdown))
    {
      DBUG_PRINT("error",("Got error: %ld from SetEvent",GetLastError()));
    }
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    /*
      or:
      HANDLE hEvent=OpenEvent(0, FALSE, "MySqlShutdown");
      SetEvent(hEventShutdown);
      CloseHandle(hEvent);
    */
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987
  }
988
#endif
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#elif defined(HAVE_PTHREAD_KILL)
990
  if (pthread_kill(signal_thread, MYSQL_KILL_SIGNAL))
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  {
    DBUG_PRINT("error",("Got error %d from pthread_kill",errno)); /* purecov: inspected */
  }
#elif !defined(SIGNALS_DONT_BREAK_READ)
995
  kill(current_pid, MYSQL_KILL_SIGNAL);
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#endif
997 998 999
  DBUG_PRINT("quit",("After pthread_kill"));
  shutdown_in_progress=1;			// Safety if kill didn't work
#ifdef SIGNALS_DONT_BREAK_READ
1000
  if (!kill_in_progress)
1001 1002
  {
    pthread_t tmp;
1003
    abort_loop=1;
1004 1005
    if (pthread_create(&tmp,&connection_attrib, kill_server_thread,
			   (void*) 0))
1006
      sql_print_error("Can't create thread to kill server");
1007
  }
1008
#endif
1009
  DBUG_VOID_RETURN;
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}

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/*
  Force server down. Kill all connections and threads and exit

  SYNOPSIS
  kill_server

  sig_ptr       Signal number that caused kill_server to be called.

  NOTE!
    A signal number of 0 mean that the function was not called
    from a signal handler and there is thus no signal to block
    or stop, we just want to kill the server.

*/
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1026

1027
#if defined(__NETWARE__)
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1028
extern "C" void kill_server(int sig_ptr)
1029
#define RETURN_FROM_KILL_SERVER DBUG_VOID_RETURN
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#elif !defined(__WIN__)
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1031
static void *kill_server(void *sig_ptr)
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#define RETURN_FROM_KILL_SERVER DBUG_RETURN(0)
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#else
static void __cdecl kill_server(int sig_ptr)
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1035
#define RETURN_FROM_KILL_SERVER DBUG_VOID_RETURN
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1036 1037 1038
#endif
{
  DBUG_ENTER("kill_server");
1039
#ifndef EMBEDDED_LIBRARY
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1040
  int sig=(int) (long) sig_ptr;			// This is passed a int
1041
  // if there is a signal during the kill in progress, ignore the other
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  if (kill_in_progress)				// Safety
    RETURN_FROM_KILL_SERVER;
  kill_in_progress=TRUE;
  abort_loop=1;					// This should be set
1046
  if (sig != 0) // 0 is not a valid signal number
1047
    my_sigset(sig, SIG_IGN);                    /* purify inspected */
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1048
  if (sig == MYSQL_KILL_SIGNAL || sig == 0)
1049
    sql_print_information(ER(ER_NORMAL_SHUTDOWN),my_progname);
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  else
    sql_print_error(ER(ER_GOT_SIGNAL),my_progname,sig); /* purecov: inspected */

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#if defined(HAVE_SMEM) && defined(__WIN__)    
  /*    
   Send event to smem_event_connect_request for aborting    
   */    
  if (!SetEvent(smem_event_connect_request))    
  {      
	  DBUG_PRINT("error",
		("Got error: %ld from SetEvent of smem_event_connect_request",
		 GetLastError()));    
  }
#endif  
  
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1065
  close_connections();
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  if (sig != MYSQL_KILL_SIGNAL &&
#ifdef __WIN__
      sig != SIGINT &&				/* Bug#18235 */
#endif
      sig != 0)
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    unireg_abort(1);				/* purecov: inspected */
  else
1073
    unireg_end();
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1074

1075
  /* purecov: begin deadcode */
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1076
#ifdef __NETWARE__
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1077
  if (!event_flag)
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1078
    pthread_join(select_thread, NULL);		// wait for main thread
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#endif /* __NETWARE__ */
1080

1081
  my_thread_end();
1082 1083
  pthread_exit(0);
  /* purecov: end */
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1085
#endif /* EMBEDDED_LIBRARY */
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  RETURN_FROM_KILL_SERVER;
}


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#if defined(USE_ONE_SIGNAL_HAND) || (defined(__NETWARE__) && defined(SIGNALS_DONT_BREAK_READ))
1091
pthread_handler_t kill_server_thread(void *arg __attribute__((unused)))
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1092 1093 1094
{
  my_thread_init();				// Initialize new thread
  kill_server(0);
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  /* purecov: begin deadcode */
  my_thread_end();
  pthread_exit(0);
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1098
  return 0;
1099
  /* purecov: end */
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}
#endif

1103

1104
extern "C" sig_handler print_signal_warning(int sig)
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1105
{
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1106
  if (global_system_variables.log_warnings)
1107
    sql_print_warning("Got signal %d from thread %ld", sig,my_thread_id());
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#ifdef DONT_REMEMBER_SIGNAL
1109
  my_sigset(sig,print_signal_warning);		/* int. thread system calls */
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1110
#endif
1111
#if !defined(__WIN__) && !defined(__NETWARE__)
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  if (sig == SIGALRM)
    alarm(2);					/* reschedule alarm */
#endif
}

1117 1118
/*
  cleanup all memory and end program nicely
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1119

1120 1121 1122 1123 1124
  SYNOPSIS
    unireg_end()

  NOTES
    This function never returns.
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1125

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    If SIGNALS_DONT_BREAK_READ is defined, this function is called
    by the main thread. To get MySQL to shut down nicely in this case
    (Mac OS X) we have to call exit() instead if pthread_exit().
*/
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1130

1131
#ifndef EMBEDDED_LIBRARY
1132
void unireg_end(void)
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1133
{
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1134
  clean_up(1);
1135
  my_thread_end();
1136
#if defined(SIGNALS_DONT_BREAK_READ) && !defined(__NETWARE__)
1137 1138
  exit(0);
#else
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1139
  pthread_exit(0);				// Exit is in main thread
1140
#endif
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1141 1142
}

1143
extern "C" void unireg_abort(int exit_code)
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1144
{
1145
  DBUG_ENTER("unireg_abort");
1146

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1147 1148
  if (exit_code)
    sql_print_error("Aborting\n");
1149 1150
  else if (opt_help)
    usage();
1151
  clean_up(!opt_help && (exit_code || !opt_bootstrap)); /* purecov: inspected */
1152
  DBUG_PRINT("quit",("done with cleanup in unireg_abort"));
1153
  wait_for_signal_thread_to_end();
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1154 1155
  clean_up_mutexes();
  my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
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1156 1157
  exit(exit_code); /* purecov: inspected */
}
1158
#endif
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1159

1160

1161
void clean_up(bool print_message)
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{
  DBUG_PRINT("exit",("clean_up"));
  if (cleanup_done++)
    return; /* purecov: inspected */
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1166

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  /*
    make sure that handlers finish up
    what they have that is dependent on the binlog
  */
  ha_binlog_end(current_thd);
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  logger.cleanup_base();

1175
  injector::free_instance();
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1176 1177
  mysql_bin_log.cleanup();

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SCRUM  
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1178
#ifdef HAVE_REPLICATION
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  if (use_slave_mask)
    bitmap_free(&slave_error_mask);
1181
#endif
1182
  my_tz_free();
1183
  my_database_names_free();
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1184
#ifndef NO_EMBEDDED_ACCESS_CHECKS
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1185
  servers_free(1);
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  acl_free(1);
  grant_free();
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1188
#endif
1189
  query_cache_destroy();
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1190
  table_cache_free();
1191
  table_def_free();
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  hostname_cache_free();
  item_user_lock_free();
  lex_free();				/* Free some memory */
1195
  item_create_cleanup();
1196
  set_var_free();
1197
  free_charsets();
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1198
  if (!opt_noacl)
1199
  {
1200
#ifdef HAVE_DLOPEN
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1201
    udf_free();
1202
#endif
1203
  }
1204
  plugin_shutdown();
1205
  ha_end();
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1206 1207
  if (tc_log)
    tc_log->close();
1208
  xid_cache_free();
1209
  delete_elements(&key_caches, (void (*)(const char*, uchar*)) free_key_cache);
1210
  multi_keycache_free();
1211
  free_status_vars();
1212
  end_thr_alarm(1);			/* Free allocated memory */
1213
  my_free_open_file_info();
1214 1215 1216 1217 1218 1219
  my_free((char*) global_system_variables.date_format,
	  MYF(MY_ALLOW_ZERO_PTR));
  my_free((char*) global_system_variables.time_format,
	  MYF(MY_ALLOW_ZERO_PTR));
  my_free((char*) global_system_variables.datetime_format,
	  MYF(MY_ALLOW_ZERO_PTR));
1220 1221
  if (defaults_argv)
    free_defaults(defaults_argv);
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1222 1223
  my_free(sys_init_connect.value, MYF(MY_ALLOW_ZERO_PTR));
  my_free(sys_init_slave.value, MYF(MY_ALLOW_ZERO_PTR));
1224 1225
  my_free(sys_var_general_log_path.value, MYF(MY_ALLOW_ZERO_PTR));
  my_free(sys_var_slow_log_path.value, MYF(MY_ALLOW_ZERO_PTR));
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1226
  free_tmpdir(&mysql_tmpdir_list);
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SCRUM  
hf@deer.mysql.r18.ru committed
1227
#ifdef HAVE_REPLICATION
1228
  my_free(slave_load_tmpdir,MYF(MY_ALLOW_ZERO_PTR));
1229
#endif
1230
  x_free(opt_bin_logname);
1231
  x_free(opt_relay_logname);
1232
  x_free(opt_secure_file_priv);
1233
  bitmap_free(&temp_pool);
1234
  free_max_user_conn();
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SCRUM  
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1235
#ifdef HAVE_REPLICATION
1236
  end_slave_list();
1237
#endif
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  delete binlog_filter;
  delete rpl_filter;
1240
#ifndef EMBEDDED_LIBRARY
1241
  end_ssl();
1242
#endif
1243
  vio_end();
1244
#ifdef USE_REGEX
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1245
  my_regex_end();
1246
#endif
1247

1248
#if !defined(EMBEDDED_LIBRARY)
1249 1250
  if (!opt_bootstrap)
    (void) my_delete(pidfile_name,MYF(0));	// This may not always exist
1251
#endif
1252 1253
  if (print_message && errmesg && server_start_time)
    sql_print_information(ER(ER_SHUTDOWN_COMPLETE),my_progname);
1254
  thread_scheduler.end();
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1255
  finish_client_errs();
1256
  my_free((uchar*) my_error_unregister(ER_ERROR_FIRST, ER_ERROR_LAST),
1257
          MYF(MY_WME | MY_FAE | MY_ALLOW_ZERO_PTR));
1258
  DBUG_PRINT("quit", ("Error messages freed"));
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1259
  /* Tell main we are ready */
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1260
  logger.cleanup_end();
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1261
  (void) pthread_mutex_lock(&LOCK_thread_count);
1262
  DBUG_PRINT("quit", ("got thread count lock"));
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1263
  ready_to_exit=1;
1264
  /* do the broadcast inside the lock to ensure that my_end() is not called */
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  (void) pthread_cond_broadcast(&COND_thread_count);
  (void) pthread_mutex_unlock(&LOCK_thread_count);
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  /*
    The following lines may never be executed as the main thread may have
    killed us
  */
1272
  DBUG_PRINT("quit", ("done with cleanup"));
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} /* clean_up */


1276 1277
#ifndef EMBEDDED_LIBRARY

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/*
  This is mainly needed when running with purify, but it's still nice to
  know that all child threads have died when mysqld exits
*/

static void wait_for_signal_thread_to_end()
{
#ifndef __NETWARE__
  uint i;
  /*
    Wait up to 10 seconds for signal thread to die. We use this mainly to
    avoid getting warnings that my_thread_end has not been called
  */
  for (i= 0 ; i < 100 && signal_thread_in_use; i++)
  {
1293
    if (pthread_kill(signal_thread, MYSQL_KILL_SIGNAL) != ESRCH)
1294 1295 1296 1297 1298 1299 1300
      break;
    my_sleep(100);				// Give it time to die
  }
#endif
}


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static void clean_up_mutexes()
{
  (void) pthread_mutex_destroy(&LOCK_mysql_create_db);
1304
  (void) pthread_mutex_destroy(&LOCK_lock_db);
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1305
  (void) pthread_mutex_destroy(&LOCK_Acl);
1306
  (void) rwlock_destroy(&LOCK_grant);
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  (void) pthread_mutex_destroy(&LOCK_open);
  (void) pthread_mutex_destroy(&LOCK_thread_count);
  (void) pthread_mutex_destroy(&LOCK_mapped_file);
  (void) pthread_mutex_destroy(&LOCK_status);
  (void) pthread_mutex_destroy(&LOCK_error_log);
  (void) pthread_mutex_destroy(&LOCK_delayed_insert);
  (void) pthread_mutex_destroy(&LOCK_delayed_status);
  (void) pthread_mutex_destroy(&LOCK_delayed_create);
  (void) pthread_mutex_destroy(&LOCK_manager);
  (void) pthread_mutex_destroy(&LOCK_crypt);
  (void) pthread_mutex_destroy(&LOCK_bytes_sent);
  (void) pthread_mutex_destroy(&LOCK_bytes_received);
  (void) pthread_mutex_destroy(&LOCK_user_conn);
1320
  Events::destroy_mutexes();
1321 1322
#ifdef HAVE_OPENSSL
  (void) pthread_mutex_destroy(&LOCK_des_key_file);
1323
#ifndef HAVE_YASSL
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  for (int i= 0; i < CRYPTO_num_locks(); ++i)
    (void) rwlock_destroy(&openssl_stdlocks[i].lock);
  OPENSSL_free(openssl_stdlocks);
1327 1328
#endif
#endif
1329
#ifdef HAVE_REPLICATION
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  (void) pthread_mutex_destroy(&LOCK_rpl_status);
1331 1332
  (void) pthread_cond_destroy(&COND_rpl_status);
#endif
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1333
  (void) pthread_mutex_destroy(&LOCK_active_mi);
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  (void) rwlock_destroy(&LOCK_sys_init_connect);
  (void) rwlock_destroy(&LOCK_sys_init_slave);
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1336
  (void) pthread_mutex_destroy(&LOCK_global_system_variables);
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1337
  (void) rwlock_destroy(&LOCK_system_variables_hash);
1338
  (void) pthread_mutex_destroy(&LOCK_global_read_lock);
1339
  (void) pthread_mutex_destroy(&LOCK_uuid_generator);
1340
  (void) pthread_mutex_destroy(&LOCK_prepared_stmt_count);
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1341 1342
  (void) pthread_cond_destroy(&COND_thread_count);
  (void) pthread_cond_destroy(&COND_refresh);
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1343
  (void) pthread_cond_destroy(&COND_global_read_lock);
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1344 1345 1346 1347
  (void) pthread_cond_destroy(&COND_thread_cache);
  (void) pthread_cond_destroy(&COND_flush_thread_cache);
  (void) pthread_cond_destroy(&COND_manager);
}
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1349 1350 1351
#endif /*EMBEDDED_LIBRARY*/


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/****************************************************************************
** Init IP and UNIX socket
****************************************************************************/

1356
#ifndef EMBEDDED_LIBRARY
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1357 1358 1359
static void set_ports()
{
  char	*env;
1360
  if (!mysqld_port && !opt_disable_networking)
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1361 1362
  {					// Get port if not from commandline
    struct  servent *serv_ptr;
1363
    mysqld_port= MYSQL_PORT;
1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375

    /*
      if builder specifically requested a default port, use that
      (even if it coincides with our factory default).
      only if they didn't do we check /etc/services (and, failing
      on that, fall back to the factory default of 3306).
      either default can be overridden by the environment variable
      MYSQL_TCP_PORT, which in turn can be overridden with command
      line options.
    */

#if MYSQL_PORT_DEFAULT == 0
1376 1377
    if ((serv_ptr= getservbyname("mysql", "tcp")))
      mysqld_port= ntohs((u_short) serv_ptr->s_port); /* purecov: inspected */
1378
#endif
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1379
    if ((env = getenv("MYSQL_TCP_PORT")))
1380
      mysqld_port= (uint) atoi(env);		/* purecov: inspected */
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1381
  }
1382
  if (!mysqld_unix_port)
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  {
#ifdef __WIN__
1385
    mysqld_unix_port= (char*) MYSQL_NAMEDPIPE;
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#else
1387
    mysqld_unix_port= (char*) MYSQL_UNIX_ADDR;
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1388 1389
#endif
    if ((env = getenv("MYSQL_UNIX_PORT")))
1390
      mysqld_unix_port= env;			/* purecov: inspected */
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1391 1392 1393 1394 1395
  }
}

/* Change to run as another user if started with --user */

1396
static struct passwd *check_user(const char *user)
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1397
{
1398
#if !defined(__WIN__) && !defined(__NETWARE__)
1399
  struct passwd *tmp_user_info;
1400
  uid_t user_id= geteuid();
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1401

1402
  // Don't bother if we aren't superuser
1403
  if (user_id)
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1404 1405
  {
    if (user)
1406
    {
1407 1408 1409 1410
      /* Don't give a warning, if real user is same as given with --user */
      /* purecov: begin tested */
      tmp_user_info= getpwnam(user);
      if ((!tmp_user_info || user_id != tmp_user_info->pw_uid) &&
1411
	  global_system_variables.log_warnings)
1412 1413
        sql_print_warning(
                    "One can only use the --user switch if running as root\n");
1414
      /* purecov: end */
1415
    }
1416
    return NULL;
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1417
  }
1418
  if (!user)
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1419 1420 1421
  {
    if (!opt_bootstrap)
    {
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1422
      sql_print_error("Fatal error: Please read \"Security\" section of the manual to find out how to run mysqld as root!\n");
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1423 1424
      unireg_abort(1);
    }
1425
    return NULL;
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1426
  }
1427
  /* purecov: begin tested */
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1428
  if (!strcmp(user,"root"))
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1429
    return NULL;                        // Avoid problem with dynamic libraries
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1431
  if (!(tmp_user_info= getpwnam(user)))
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1432
  {
1433
    // Allow a numeric uid to be used
1434
    const char *pos;
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1435 1436
    for (pos= user; my_isdigit(mysqld_charset,*pos); pos++) ;
    if (*pos)                                   // Not numeric id
1437
      goto err;
1438
    if (!(tmp_user_info= getpwuid(atoi(user))))
1439
      goto err;
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1440
  }
1441 1442
  return tmp_user_info;
  /* purecov: end */
1443 1444

err:
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1445
  sql_print_error("Fatal error: Can't change to run as user '%s' ;  Please check that the user exists!\n",user);
1446
  unireg_abort(1);
1447 1448 1449 1450 1451 1452 1453 1454 1455

#ifdef PR_SET_DUMPABLE
  if (test_flags & TEST_CORE_ON_SIGNAL)
  {
    /* inform kernel that process is dumpable */
    (void) prctl(PR_SET_DUMPABLE, 1);
  }
#endif

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1456 1457
#endif
  return NULL;
1458 1459
}

1460
static void set_user(const char *user, struct passwd *user_info_arg)
1461
{
1462
  /* purecov: begin tested */
1463
#if !defined(__WIN__) && !defined(__NETWARE__)
1464
  DBUG_ASSERT(user_info_arg != 0);
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1465
#ifdef HAVE_INITGROUPS
1466 1467 1468 1469 1470 1471 1472
  /*
    We can get a SIGSEGV when calling initgroups() on some systems when NSS
    is configured to use LDAP and the server is statically linked.  We set
    calling_initgroups as a flag to the SIGSEGV handler that is then used to
    output a specific message to help the user resolve this problem.
  */
  calling_initgroups= TRUE;
1473
  initgroups((char*) user, user_info_arg->pw_gid);
1474
  calling_initgroups= FALSE;
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1475
#endif
1476
  if (setgid(user_info_arg->pw_gid) == -1)
1477 1478 1479
  {
    sql_perror("setgid");
    unireg_abort(1);
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1480
  }
1481
  if (setuid(user_info_arg->pw_uid) == -1)
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1482 1483 1484 1485 1486
  {
    sql_perror("setuid");
    unireg_abort(1);
  }
#endif
1487
  /* purecov: end */
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1488 1489
}

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1490

1491
static void set_effective_user(struct passwd *user_info_arg)
1492
{
1493
#if !defined(__WIN__) && !defined(__NETWARE__)
1494 1495
  DBUG_ASSERT(user_info_arg != 0);
  if (setregid((gid_t)-1, user_info_arg->pw_gid) == -1)
1496
  {
1497
    sql_perror("setregid");
1498
    unireg_abort(1);
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1499
  }
1500
  if (setreuid((uid_t)-1, user_info_arg->pw_uid) == -1)
1501
  {
1502
    sql_perror("setreuid");
1503 1504 1505 1506 1507 1508
    unireg_abort(1);
  }
#endif
}


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1509 1510 1511 1512
/* Change root user if started with  --chroot */

static void set_root(const char *path)
{
1513
#if !defined(__WIN__) && !defined(__NETWARE__)
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1514 1515 1516 1517 1518
  if (chroot(path) == -1)
  {
    sql_perror("chroot");
    unireg_abort(1);
  }
1519
  my_setwd("/", MYF(0));
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1520 1521 1522
#endif
}

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1523
static void network_init(void)
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1524 1525 1526 1527 1528 1529
{
  struct sockaddr_in	IPaddr;
#ifdef HAVE_SYS_UN_H
  struct sockaddr_un	UNIXaddr;
#endif
  int	arg=1;
1530 1531 1532 1533
  int   ret;
  uint  waited;
  uint  this_wait;
  uint  retry;
1534
  DBUG_ENTER("network_init");
1535
  LINT_INIT(ret);
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1536

1537 1538 1539
  if (thread_scheduler.init())
    unireg_abort(1);			/* purecov: inspected */

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1540 1541
  set_ports();

1542
  if (mysqld_port != 0 && !opt_disable_networking && !opt_bootstrap)
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1543
  {
1544
    DBUG_PRINT("general",("IP Socket is %d",mysqld_port));
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1545 1546 1547 1548 1549 1550 1551 1552 1553 1554
    ip_sock = socket(AF_INET, SOCK_STREAM, 0);
    if (ip_sock == INVALID_SOCKET)
    {
      DBUG_PRINT("error",("Got error: %d from socket()",socket_errno));
      sql_perror(ER(ER_IPSOCK_ERROR));		/* purecov: tested */
      unireg_abort(1);				/* purecov: tested */
    }
    bzero((char*) &IPaddr, sizeof(IPaddr));
    IPaddr.sin_family = AF_INET;
    IPaddr.sin_addr.s_addr = my_bind_addr;
1555
    IPaddr.sin_port = (unsigned short) htons((unsigned short) mysqld_port);
1556 1557 1558 1559 1560 1561

#ifndef __WIN__
    /*
      We should not use SO_REUSEADDR on windows as this would enable a
      user to open two mysqld servers with the same TCP/IP port.
    */
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1562
    (void) setsockopt(ip_sock,SOL_SOCKET,SO_REUSEADDR,(char*)&arg,sizeof(arg));
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1563
#endif /* __WIN__ */
1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575
    /*
      Sometimes the port is not released fast enough when stopping and
      restarting the server. This happens quite often with the test suite
      on busy Linux systems. Retry to bind the address at these intervals:
      Sleep intervals: 1, 2, 4,  6,  9, 13, 17, 22, ...
      Retry at second: 1, 3, 7, 13, 22, 35, 52, 74, ...
      Limit the sequence by mysqld_port_timeout (set --port-open-timeout=#).
    */
    for (waited= 0, retry= 1; ; retry++, waited+= this_wait)
    {
      if (((ret= bind(ip_sock, my_reinterpret_cast(struct sockaddr *) (&IPaddr),
                      sizeof(IPaddr))) >= 0) ||
1576
          (socket_errno != SOCKET_EADDRINUSE) ||
1577 1578 1579 1580 1581 1582 1583
          (waited >= mysqld_port_timeout))
        break;
      sql_print_information("Retrying bind on TCP/IP port %u", mysqld_port);
      this_wait= retry * retry / 3 + 1;
      sleep(this_wait);
    }
    if (ret < 0)
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1584 1585
    {
      DBUG_PRINT("error",("Got error: %d from bind",socket_errno));
1586
      sql_perror("Can't start server: Bind on TCP/IP port");
1587
      sql_print_error("Do you already have another mysqld server running on port: %d ?",mysqld_port);
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1588 1589
      unireg_abort(1);
    }
1590
    if (listen(ip_sock,(int) back_log) < 0)
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1591
    {
1592
      sql_perror("Can't start server: listen() on TCP/IP port");
1593
      sql_print_error("listen() on TCP/IP failed with error %d",
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1594
		      socket_errno);
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      unireg_abort(1);
    }
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1597
  }
1598

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1599 1600
#ifdef __NT__
  /* create named pipe */
1601
  if (Service.IsNT() && mysqld_unix_port[0] && !opt_bootstrap &&
1602
      opt_enable_named_pipe)
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1603
  {
1604 1605 1606
    
    pipe_name[sizeof(pipe_name)-1]= 0;		/* Safety if too long string */
    strxnmov(pipe_name, sizeof(pipe_name)-1, "\\\\.\\pipe\\",
1607
	     mysqld_unix_port, NullS);
1608 1609
    bzero((char*) &saPipeSecurity, sizeof(saPipeSecurity));
    bzero((char*) &sdPipeDescriptor, sizeof(sdPipeDescriptor));
1610
    if (!InitializeSecurityDescriptor(&sdPipeDescriptor,
1611
				      SECURITY_DESCRIPTOR_REVISION))
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1612 1613 1614 1615 1616 1617 1618 1619 1620
    {
      sql_perror("Can't start server : Initialize security descriptor");
      unireg_abort(1);
    }
    if (!SetSecurityDescriptorDacl(&sdPipeDescriptor, TRUE, NULL, FALSE))
    {
      sql_perror("Can't start server : Set security descriptor");
      unireg_abort(1);
    }
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1621
    saPipeSecurity.nLength = sizeof(SECURITY_ATTRIBUTES);
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1622 1623
    saPipeSecurity.lpSecurityDescriptor = &sdPipeDescriptor;
    saPipeSecurity.bInheritHandle = FALSE;
1624 1625 1626 1627 1628 1629 1630 1631 1632 1633
    if ((hPipe= CreateNamedPipe(pipe_name,
				PIPE_ACCESS_DUPLEX,
				PIPE_TYPE_BYTE |
				PIPE_READMODE_BYTE |
				PIPE_WAIT,
				PIPE_UNLIMITED_INSTANCES,
				(int) global_system_variables.net_buffer_length,
				(int) global_system_variables.net_buffer_length,
				NMPWAIT_USE_DEFAULT_WAIT,
				&saPipeSecurity)) == INVALID_HANDLE_VALUE)
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1634 1635 1636 1637 1638 1639 1640
      {
	LPVOID lpMsgBuf;
	int error=GetLastError();
	FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
		      FORMAT_MESSAGE_FROM_SYSTEM,
		      NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
		      (LPTSTR) &lpMsgBuf, 0, NULL );
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1641 1642 1643
	MessageBox(NULL, (LPTSTR) lpMsgBuf, "Error from CreateNamedPipe",
		    MB_OK|MB_ICONINFORMATION);
	LocalFree(lpMsgBuf);
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1644 1645 1646 1647 1648
	unireg_abort(1);
      }
  }
#endif

1649
#if defined(HAVE_SYS_UN_H)
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1650 1651 1652
  /*
  ** Create the UNIX socket
  */
1653
  if (mysqld_unix_port[0] && !opt_bootstrap)
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1654
  {
1655
    DBUG_PRINT("general",("UNIX Socket is %s",mysqld_unix_port));
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1656

1657 1658
    if (strlen(mysqld_unix_port) > (sizeof(UNIXaddr.sun_path) - 1))
    {
1659
      sql_print_error("The socket file path is too long (> %u): %s",
1660
                      (uint) sizeof(UNIXaddr.sun_path) - 1, mysqld_unix_port);
1661 1662
      unireg_abort(1);
    }
1663
    if ((unix_sock= socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
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1664 1665 1666 1667 1668 1669
    {
      sql_perror("Can't start server : UNIX Socket "); /* purecov: inspected */
      unireg_abort(1);				/* purecov: inspected */
    }
    bzero((char*) &UNIXaddr, sizeof(UNIXaddr));
    UNIXaddr.sun_family = AF_UNIX;
1670 1671
    strmov(UNIXaddr.sun_path, mysqld_unix_port);
    (void) unlink(mysqld_unix_port);
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    (void) setsockopt(unix_sock,SOL_SOCKET,SO_REUSEADDR,(char*)&arg,
		      sizeof(arg));
    umask(0);
    if (bind(unix_sock, my_reinterpret_cast(struct sockaddr *) (&UNIXaddr),
	     sizeof(UNIXaddr)) < 0)
    {
      sql_perror("Can't start server : Bind on unix socket"); /* purecov: tested */
1679
      sql_print_error("Do you already have another mysqld server running on socket: %s ?",mysqld_unix_port);
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1680 1681 1682 1683
      unireg_abort(1);					/* purecov: tested */
    }
    umask(((~my_umask) & 0666));
#if defined(S_IFSOCK) && defined(SECURE_SOCKETS)
1684
    (void) chmod(mysqld_unix_port,S_IFSOCK);	/* Fix solaris 2.6 bug */
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1685
#endif
1686
    if (listen(unix_sock,(int) back_log) < 0)
1687
      sql_print_warning("listen() on Unix socket failed with error %d",
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1688
		      socket_errno);
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1689 1690 1691 1692 1693 1694
  }
#endif
  DBUG_PRINT("info",("server started"));
  DBUG_VOID_RETURN;
}

1695
#endif /*!EMBEDDED_LIBRARY*/
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1696

1697

1698
#ifndef EMBEDDED_LIBRARY
1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711
/*
  Close a connection

  SYNOPSIS
    close_connection()
    thd		Thread handle
    errcode	Error code to print to console
    lock	1 if we have have to lock LOCK_thread_count

  NOTES
    For the connection that is doing shutdown, this is called twice
*/

1712
void close_connection(THD *thd, uint errcode, bool lock)
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1713
{
1714
  st_vio *vio;
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1715 1716
  DBUG_ENTER("close_connection");
  DBUG_PRINT("enter",("fd: %s  error: '%s'",
1717 1718 1719
		      thd->net.vio ? vio_description(thd->net.vio) :
		      "(not connected)",
		      errcode ? ER(errcode) : ""));
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1720 1721
  if (lock)
    (void) pthread_mutex_lock(&LOCK_thread_count);
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1722 1723
  thd->killed= THD::KILL_CONNECTION;
  if ((vio= thd->net.vio) != 0)
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1724 1725
  {
    if (errcode)
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Merge  
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1726
      net_send_error(thd, errcode, ER(errcode)); /* purecov: inspected */
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    vio_close(vio);			/* vio is freed in delete thd */
  }
  if (lock)
    (void) pthread_mutex_unlock(&LOCK_thread_count);
  DBUG_VOID_RETURN;
}
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#endif /* EMBEDDED_LIBRARY */

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	/* Called when a thread is aborted */
	/* ARGSUSED */

1739
extern "C" sig_handler end_thread_signal(int sig __attribute__((unused)))
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{
  THD *thd=current_thd;
  DBUG_ENTER("end_thread_signal");
1743
  if (thd && ! thd->bootstrap)
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  {
    statistic_increment(killed_threads, &LOCK_status);
1746
    thread_scheduler.end_thread(thd,0);		/* purecov: inspected */
1747
  }
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  DBUG_VOID_RETURN;				/* purecov: deadcode */
}


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/*
  Unlink thd from global list of available connections and free thd

  SYNOPSIS
    unlink_thd()
    thd		 Thread handler

  NOTES
    LOCK_thread_count is locked and left locked
*/

void unlink_thd(THD *thd)
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{
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  DBUG_ENTER("unlink_thd");
  DBUG_PRINT("enter", ("thd: 0x%lx", (long) thd));
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  thd->cleanup();
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  (void) pthread_mutex_lock(&LOCK_thread_count);
  thread_count--;
  delete thd;
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  DBUG_VOID_RETURN;
}

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/*
  Store thread in cache for reuse by new connections

  SYNOPSIS
    cache_thread()

  NOTES
    LOCK_thread_count has to be locked

  RETURN
    0  Thread was not put in cache
    1  Thread is to be reused by new connection.
       (ie, caller should return, not abort with pthread_exit())
*/


static bool cache_thread()
{
  safe_mutex_assert_owner(&LOCK_thread_count);
  if (cached_thread_count < thread_cache_size &&
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      ! abort_loop && !kill_cached_threads)
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  {
    /* Don't kill the thread, just put it in cache for reuse */
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    DBUG_PRINT("info", ("Adding thread to cache"));
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    cached_thread_count++;
    while (!abort_loop && ! wake_thread && ! kill_cached_threads)
      (void) pthread_cond_wait(&COND_thread_cache, &LOCK_thread_count);
    cached_thread_count--;
    if (kill_cached_threads)
      pthread_cond_signal(&COND_flush_thread_cache);
    if (wake_thread)
    {
1807
      THD *thd;
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      wake_thread--;
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      thd= thread_cache.get();
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      thd->thread_stack= (char*) &thd;          // For store_globals
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      (void) thd->store_globals();
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      /*
        THD::mysys_var::abort is associated with physical thread rather
        than with THD object. So we need to reset this flag before using
        this thread for handling of new THD object/connection.
      */
      thd->mysys_var->abort= 0;
1818
      thd->thr_create_utime= my_micro_time();
1819
      threads.append(thd);
1820
      return(1);
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    }
  }
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  return(0);
}


/*
  End thread for the current connection

  SYNOPSIS
    one_thread_per_connection_end()
    thd		  Thread handler
    put_in_cache  Store thread in cache, if there is room in it
                  Normally this is true in all cases except when we got
                  out of resources initializing the current thread

  NOTES
    If thread is cached, we will wait until thread is scheduled to be
    reused and then we will return.
    If thread is not cached, we end the thread.

  RETURN
    0    Signal to handle_one_connection to reuse connection
*/

bool one_thread_per_connection_end(THD *thd, bool put_in_cache)
{
  DBUG_ENTER("one_thread_per_connection_end");
  unlink_thd(thd);
  if (put_in_cache)
    put_in_cache= cache_thread();
  pthread_mutex_unlock(&LOCK_thread_count);
  if (put_in_cache)
    DBUG_RETURN(0);                             // Thread is reused
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  /* It's safe to broadcast outside a lock (COND... is not deleted here) */
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  DBUG_PRINT("signal", ("Broadcasting COND_thread_count"));
1858
  (void) pthread_cond_broadcast(&COND_thread_count);
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  my_thread_end();
  pthread_exit(0);
  DBUG_RETURN(0);                               // Impossible
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}


void flush_thread_cache()
{
  (void) pthread_mutex_lock(&LOCK_thread_count);
  kill_cached_threads++;
  while (cached_thread_count)
  {
    pthread_cond_broadcast(&COND_thread_cache);
    pthread_cond_wait(&COND_flush_thread_cache,&LOCK_thread_count);
  }
  kill_cached_threads--;
  (void) pthread_mutex_unlock(&LOCK_thread_count);
}


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/*
  Aborts a thread nicely. Commes here on SIGPIPE
  TODO: One should have to fix that thr_alarm know about this
  thread too.
*/
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#ifdef THREAD_SPECIFIC_SIGPIPE
1887
extern "C" sig_handler abort_thread(int sig __attribute__((unused)))
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{
  THD *thd=current_thd;
  DBUG_ENTER("abort_thread");
  if (thd)
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    thd->killed= THD::KILL_CONNECTION;
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  DBUG_VOID_RETURN;
}
#endif

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/******************************************************************************
1899 1900 1901
  Setup a signal thread with handles all signals.
  Because Linux doesn't support schemas use a mutex to check that
  the signal thread is ready before continuing
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******************************************************************************/

1904
#if defined(__WIN__)
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static void init_signals(void)
{
  int signals[] = {SIGINT,SIGILL,SIGFPE,SIGSEGV,SIGTERM,SIGABRT } ;
  for (uint i=0 ; i < sizeof(signals)/sizeof(int) ; i++)
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    signal(signals[i], kill_server) ;
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#if defined(__WIN__)
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  signal(SIGBREAK,SIG_IGN);	//ignore SIGBREAK for NT
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#else
  signal(SIGBREAK, kill_server);
#endif
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}

1917

1918
static void start_signal_handler(void)
1919
{
1920
#ifndef EMBEDDED_LIBRARY
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  // Save vm id of this process
  if (!opt_bootstrap)
    create_pid_file();
1924
#endif /* EMBEDDED_LIBRARY */
1925
}
1926

1927

1928 1929
static void check_data_home(const char *path)
{}
1930

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#elif defined(__NETWARE__)

// down server event callback
void mysql_down_server_cb(void *, void *)
{
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  event_flag= TRUE;
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  kill_server(0);
}

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// destroy callback resources
void mysql_cb_destroy(void *)
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{
  UnRegisterEventNotification(eh);  // cleanup down event notification
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  NX_UNWRAP_INTERFACE(ref);
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  /* Deregister NSS volume deactivation event */
  NX_UNWRAP_INTERFACE(refneb);
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  if (neb_consumer_id)
1950
    UnRegisterConsumer(neb_consumer_id, NULL);
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}

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// initialize callbacks
void mysql_cb_init()
{
  // register for down server event
  void *handle = getnlmhandle();
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  rtag_t rt= AllocateResourceTag(handle, "MySQL Down Server Callback",
                                 EventSignature);
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  NX_WRAP_INTERFACE((void *)mysql_down_server_cb, 2, (void **)&ref);
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  eh= RegisterForEventNotification(rt, EVENT_PRE_DOWN_SERVER,
                                   EVENT_PRIORITY_APPLICATION,
                                   NULL, ref, NULL);

  /*
    Register for volume deactivation event
    Wrap the callback function, as it is called by non-LibC thread
  */
1970
  (void *) NX_WRAP_INTERFACE(neb_event_callback, 1, &refneb);
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  registerwithneb();

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  NXVmRegisterExitHandler(mysql_cb_destroy, NULL);  // clean-up
}

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1976

1977
/* To get the name of the NetWare volume having MySQL data folder */
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1978

1979
static void getvolumename()
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{
  char *p;
  /*
    We assume that data path is already set.
    If not it won't come here. Terminate after volume name
  */
  if ((p= strchr(mysql_real_data_home, ':')))
    strmake(datavolname, mysql_real_data_home,
            (uint) (p - mysql_real_data_home));
}


/*
  Registering with NEB for NSS Volume Deactivation event
*/

1996
static void registerwithneb()
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{

  ConsumerRegistrationInfo reg_info;
    
  /* Clear NEB registration structure */
  bzero((char*) &reg_info, sizeof(struct ConsumerRegistrationInfo));

  /* Fill the NEB consumer information structure */
  reg_info.CRIVersion= 1;  	            // NEB version
  /* NEB Consumer name */
  reg_info.CRIConsumerName= (BYTE *) "MySQL Database Server";
  /* Event of interest */
  reg_info.CRIEventName= (BYTE *) "NSS.ChangeVolState.Enter";
  reg_info.CRIUserParameter= NULL;	    // Consumer Info
  reg_info.CRIEventFlags= 0;	            // Event flags
  /* Consumer NLM handle */
  reg_info.CRIOwnerID= (LoadDefinitionStructure *)getnlmhandle();
  reg_info.CRIConsumerESR= NULL;	    // No consumer ESR required
  reg_info.CRISecurityToken= 0;	            // No security token for the event
  reg_info.CRIConsumerFlags= 0;             // SMP_ENABLED_BIT;	
  reg_info.CRIFilterName= 0;	            // No event filtering
  reg_info.CRIFilterDataLength= 0;          // No filtering data
  reg_info.CRIFilterData= 0;	            // No filtering data
  /* Callback function for the event */
  (void *)reg_info.CRIConsumerCallback= (void *) refneb;
  reg_info.CRIOrder= 0;	                    // Event callback order
  reg_info.CRIConsumerType= CHECK_CONSUMER; // Consumer type

  /* Register for the event with NEB */
  if (RegisterConsumer(&reg_info))
  {
    consoleprintf("Failed to register for NSS Volume Deactivation event \n");
    return;
  }
  /* This ID is required for deregistration */
  neb_consumer_id= reg_info.CRIConsumerID;

  /* Get MySQL data volume name, stored in global variable datavolname */
  getvolumename();

  /*
    Get the NSS volume ID of the MySQL Data volume.
    Volume ID is stored in a global variable
  */
  getvolumeID((BYTE*) datavolname);	
}


/*
  Callback for NSS Volume Deactivation event
*/
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ulong neb_event_callback(struct EventBlock *eblock)
{
  EventChangeVolStateEnter_s *voldata;
2052 2053
  extern bool nw_panic;

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  voldata= (EventChangeVolStateEnter_s *)eblock->EBEventData;

  /* Deactivation of a volume */
2057 2058 2059
  if ((voldata->oldState == zVOLSTATE_ACTIVE &&
       voldata->newState == zVOLSTATE_DEACTIVE ||
       voldata->newState == zVOLSTATE_MAINTENANCE))
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  {
    /*
      Ensure that we bring down MySQL server only for MySQL data
      volume deactivation
    */
    if (!memcmp(&voldata->volID, &datavolid, sizeof(VolumeID_t)))
    {
      consoleprintf("MySQL data volume is deactivated, shutting down MySQL Server \n");
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      event_flag= TRUE;
2069
      nw_panic = TRUE;
2070
      event_flag= TRUE;
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      kill_server(0);
    }
  }
  return 0;
}


/*
  Function to get NSS volume ID of the MySQL data
*/

#define ADMIN_VOL_PATH					"_ADMIN:/Volumes/"

2084
static void getvolumeID(BYTE *volumeName)
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{
  char path[zMAX_FULL_NAME];
  Key_t rootKey= 0, fileKey= 0;
  QUAD getInfoMask;
  zInfo_s info;
  STATUS status;

2092
  /* Get the root key */
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  if ((status= zRootKey(0, &rootKey)) != zOK)
  {
    consoleprintf("\nGetNSSVolumeProperties - Failed to get root key, status: %d\n.", (int) status);
    goto exit;
  }

  /*
    Get the file key. This is the key to the volume object in the
    NSS admin volumes directory.
  */

  strxmov(path, (const char *) ADMIN_VOL_PATH, (const char *) volumeName,
          NullS);
  if ((status= zOpen(rootKey, zNSS_TASK, zNSPACE_LONG|zMODE_UTF8, 
                     (BYTE *) path, zRR_READ_ACCESS, &fileKey)) != zOK)
  {
    consoleprintf("\nGetNSSVolumeProperties - Failed to get file, status: %d\n.", (int) status);
    goto exit;
  }

  getInfoMask= zGET_IDS | zGET_VOLUME_INFO ;
  if ((status= zGetInfo(fileKey, getInfoMask, sizeof(info), 
                        zINFO_VERSION_A, &info)) != zOK)
  {
    consoleprintf("\nGetNSSVolumeProperties - Failed in zGetInfo, status: %d\n.", (int) status);
    goto exit;
  }

  /* Copy the data to global variable */
  datavolid.timeLow= info.vol.volumeID.timeLow;
  datavolid.timeMid= info.vol.volumeID.timeMid;
  datavolid.timeHighAndVersion= info.vol.volumeID.timeHighAndVersion;
  datavolid.clockSeqHighAndReserved= info.vol.volumeID.clockSeqHighAndReserved;
  datavolid.clockSeqLow= info.vol.volumeID.clockSeqLow;
  /* This is guranteed to be 6-byte length (but sizeof() would be better) */
  memcpy(datavolid.node, info.vol.volumeID.node, (unsigned int) 6);
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exit:
  if (rootKey)
    zClose(rootKey);
  if (fileKey)
    zClose(fileKey);
}


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static void init_signals(void)
{
  int signals[] = {SIGINT,SIGILL,SIGFPE,SIGSEGV,SIGTERM,SIGABRT};

  for (uint i=0 ; i < sizeof(signals)/sizeof(int) ; i++)
    signal(signals[i], kill_server);
  mysql_cb_init();  // initialize callbacks

2146
}
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static void start_signal_handler(void)
{
  // Save vm id of this process
  if (!opt_bootstrap)
2153
    create_pid_file();
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  // no signal handler
}


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/*
  Warn if the data is on a Traditional volume

  NOTE
    Already done by mysqld_safe
*/
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static void check_data_home(const char *path)
2166 2167 2168
{
}

2169
#else /* if ! __WIN__  */
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#ifdef HAVE_LINUXTHREADS
#define UNSAFE_DEFAULT_LINUX_THREADS 200
2173
#endif
2174

2175
extern "C" sig_handler handle_segfault(int sig)
2176
{
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  time_t curr_time;
  struct tm tm;
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  THD *thd=current_thd;
2180

2181 2182 2183 2184 2185 2186
  /*
    Strictly speaking, one needs a mutex here
    but since we have got SIGSEGV already, things are a mess
    so not having the mutex is not as bad as possibly using a buggy
    mutex - so we keep things simple
  */
2187
  if (segfaulted)
2188 2189 2190 2191
  {
    fprintf(stderr, "Fatal signal %d while backtracing\n", sig);
    exit(1);
  }
2192

2193
  segfaulted = 1;
2194

2195
  curr_time= my_time(0);
2196 2197
  localtime_r(&curr_time, &tm);

2198
  fprintf(stderr,"\
2199
%02d%02d%02d %2d:%02d:%02d - mysqld got signal %d;\n\
2200
This could be because you hit a bug. It is also possible that this binary\n\
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or one of the libraries it was linked against is corrupt, improperly built,\n\
2202
or misconfigured. This error can also be caused by malfunctioning hardware.\n",
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          tm.tm_year % 100, tm.tm_mon+1, tm.tm_mday,
          tm.tm_hour, tm.tm_min, tm.tm_sec,
2205 2206 2207 2208
	  sig);
  fprintf(stderr, "\
We will try our best to scrape up some info that will hopefully help diagnose\n\
the problem, but since we have already crashed, something is definitely wrong\n\
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and this may fail.\n\n");
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  fprintf(stderr, "key_buffer_size=%lu\n", 
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          (ulong) dflt_key_cache->key_cache_mem_size);
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  fprintf(stderr, "read_buffer_size=%ld\n", (long) global_system_variables.read_buff_size);
  fprintf(stderr, "max_used_connections=%lu\n", max_used_connections);
2214
  fprintf(stderr, "max_threads=%u\n", thread_scheduler.max_threads);
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  fprintf(stderr, "threads_connected=%u\n", thread_count);
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  fprintf(stderr, "It is possible that mysqld could use up to \n\
2217
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = %lu K\n\
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bytes of memory\n", ((ulong) dflt_key_cache->key_cache_mem_size +
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		     (global_system_variables.read_buff_size +
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		      global_system_variables.sortbuff_size) *
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		     thread_scheduler.max_threads +
                     max_connections * sizeof(THD)) / 1024);
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  fprintf(stderr, "Hope that's ok; if not, decrease some variables in the equation.\n\n");
2224

2225
#if defined(HAVE_LINUXTHREADS)
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  if (sizeof(char*) == 4 && thread_count > UNSAFE_DEFAULT_LINUX_THREADS)
  {
    fprintf(stderr, "\
You seem to be running 32-bit Linux and have %d concurrent connections.\n\
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If you have not changed STACK_SIZE in LinuxThreads and built the binary \n\
yourself, LinuxThreads is quite likely to steal a part of the global heap for\n\
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the thread stack. Please read http://dev.mysql.com/doc/mysql/en/linux.html\n\n",
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	    thread_count);
  }
#endif /* HAVE_LINUXTHREADS */
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2237
#ifdef HAVE_STACKTRACE
2238
  if (!(test_flags & TEST_NO_STACKTRACE))
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  {
2240
    fprintf(stderr,"thd: 0x%lx\n",(long) thd);
2241
    print_stacktrace(thd ? (uchar*) thd->thread_stack : (uchar*) 0,
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		     thread_stack);
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  }
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  if (thd)
  {
    fprintf(stderr, "Trying to get some variables.\n\
Some pointers may be invalid and cause the dump to abort...\n");
    safe_print_str("thd->query", thd->query, 1024);
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    fprintf(stderr, "thd->thread_id=%lu\n", (ulong) thd->thread_id);
2250 2251
  }
  fprintf(stderr, "\
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The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains\n\
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information that should help you find out what is causing the crash.\n");
2254
  fflush(stderr);
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#endif /* HAVE_STACKTRACE */

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#ifdef HAVE_INITGROUPS
  if (calling_initgroups)
    fprintf(stderr, "\n\
This crash occured while the server was calling initgroups(). This is\n\
often due to the use of a mysqld that is statically linked against glibc\n\
and configured to use LDAP in /etc/nsswitch.conf. You will need to either\n\
upgrade to a version of glibc that does not have this problem (2.3.4 or\n\
later when used with nscd), disable LDAP in your nsswitch.conf, or use a\n\
mysqld that is not statically linked.\n");
#endif

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#ifdef HAVE_NPTL
  if (thd_lib_detected == THD_LIB_LT && !getenv("LD_ASSUME_KERNEL"))
    fprintf(stderr,"\n\
You are running a statically-linked LinuxThreads binary on an NPTL system.\n\
This can result in crashes on some distributions due to LT/NPTL conflicts.\n\
You should either build a dynamically-linked binary, or force LinuxThreads\n\
to be used with the LD_ASSUME_KERNEL environment variable. Please consult\n\
the documentation for your distribution on how to do that.\n");
#endif
  
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  if (locked_in_memory)
  {
    fprintf(stderr, "\n\
The \"--memlock\" argument, which was enabled, uses system calls that are\n\
unreliable and unstable on some operating systems and operating-system\n\
versions (notably, some versions of Linux).  This crash could be due to use\n\
of those buggy OS calls.  You should consider whether you really need the\n\
\"--memlock\" parameter and/or consult the OS distributer about \"mlockall\"\n\
bugs.\n");
  }

  if (test_flags & TEST_CORE_ON_SIGNAL)
  {
    fprintf(stderr, "Writing a core file\n");
    fflush(stderr);
    write_core(sig);
  }
  exit(1);
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}

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#ifndef SA_RESETHAND
#define SA_RESETHAND 0
#endif
#ifndef SA_NODEFER
#define SA_NODEFER 0
#endif
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#ifndef EMBEDDED_LIBRARY

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static void init_signals(void)
{
  sigset_t set;
2310
  struct sigaction sa;
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  DBUG_ENTER("init_signals");

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  if (test_flags & TEST_SIGINT)
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  {
    my_sigset(thr_kill_signal, end_thread_signal);
  }
2317
  my_sigset(THR_SERVER_ALARM,print_signal_warning); // Should never be called!
2318

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  if (!(test_flags & TEST_NO_STACKTRACE) || (test_flags & TEST_CORE_ON_SIGNAL))
2320
  {
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    sa.sa_flags = SA_RESETHAND | SA_NODEFER;
    sigemptyset(&sa.sa_mask);
    sigprocmask(SIG_SETMASK,&sa.sa_mask,NULL);

2325
    init_stacktrace();
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#if defined(__amiga__)
    sa.sa_handler=(void(*)())handle_segfault;
#else
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    sa.sa_handler=handle_segfault;
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#endif
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    sigaction(SIGSEGV, &sa, NULL);
2332
    sigaction(SIGABRT, &sa, NULL);
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#ifdef SIGBUS
2334
    sigaction(SIGBUS, &sa, NULL);
2335
#endif
2336
    sigaction(SIGILL, &sa, NULL);
2337
    sigaction(SIGFPE, &sa, NULL);
2338
  }
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#ifdef HAVE_GETRLIMIT
  if (test_flags & TEST_CORE_ON_SIGNAL)
  {
    /* Change limits so that we will get a core file */
2344
    STRUCT_RLIMIT rl;
2345
    rl.rlim_cur = rl.rlim_max = RLIM_INFINITY;
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    if (setrlimit(RLIMIT_CORE, &rl) && global_system_variables.log_warnings)
2347
      sql_print_warning("setrlimit could not change the size of core files to 'infinity';  We may not be able to generate a core file on signals");
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  }
#endif
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  (void) sigemptyset(&set);
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  my_sigset(SIGPIPE,SIG_IGN);
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  sigaddset(&set,SIGPIPE);
  sigaddset(&set,SIGINT);
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#ifndef IGNORE_SIGHUP_SIGQUIT
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  sigaddset(&set,SIGQUIT);
  sigaddset(&set,SIGHUP);
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#endif
  sigaddset(&set,SIGTERM);
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  /* Fix signals if blocked by parents (can happen on Mac OS X) */
2361
  sigemptyset(&sa.sa_mask);
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  sa.sa_flags = 0;
  sa.sa_handler = print_signal_warning;
  sigaction(SIGTERM, &sa, (struct sigaction*) 0);
  sa.sa_flags = 0;
  sa.sa_handler = print_signal_warning;
  sigaction(SIGHUP, &sa, (struct sigaction*) 0);
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#ifdef SIGTSTP
  sigaddset(&set,SIGTSTP);
#endif
2371
  if (thd_lib_detected != THD_LIB_LT)
2372
    sigaddset(&set,THR_SERVER_ALARM);
2373
  if (test_flags & TEST_SIGINT)
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  {
    // May be SIGINT
    sigdelset(&set, thr_kill_signal);
  }
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  sigprocmask(SIG_SETMASK,&set,NULL);
  pthread_sigmask(SIG_SETMASK,&set,NULL);
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  DBUG_VOID_RETURN;
}


static void start_signal_handler(void)
{
  int error;
  pthread_attr_t thr_attr;
  DBUG_ENTER("start_signal_handler");
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  (void) pthread_attr_init(&thr_attr);
#if !defined(HAVE_DEC_3_2_THREADS)
  pthread_attr_setscope(&thr_attr,PTHREAD_SCOPE_SYSTEM);
  (void) pthread_attr_setdetachstate(&thr_attr,PTHREAD_CREATE_DETACHED);
  if (!(opt_specialflag & SPECIAL_NO_PRIOR))
    my_pthread_attr_setprio(&thr_attr,INTERRUPT_PRIOR);
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#if defined(__ia64__) || defined(__ia64)
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  /*
    Peculiar things with ia64 platforms - it seems we only have half the
    stack size in reality, so we have to double it here
  */
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  pthread_attr_setstacksize(&thr_attr,thread_stack*2);
#else
2403
  pthread_attr_setstacksize(&thr_attr,thread_stack);
2404
#endif
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#endif

  (void) pthread_mutex_lock(&LOCK_thread_count);
  if ((error=pthread_create(&signal_thread,&thr_attr,signal_hand,0)))
  {
    sql_print_error("Can't create interrupt-thread (error %d, errno: %d)",
		    error,errno);
    exit(1);
  }
  (void) pthread_cond_wait(&COND_thread_count,&LOCK_thread_count);
  pthread_mutex_unlock(&LOCK_thread_count);

  (void) pthread_attr_destroy(&thr_attr);
  DBUG_VOID_RETURN;
}


2422
/* This threads handles all signals and alarms */
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/* ARGSUSED */
2425
pthread_handler_t signal_hand(void *arg __attribute__((unused)))
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{
  sigset_t set;
  int sig;
  my_thread_init();				// Init new thread
  DBUG_ENTER("signal_hand");
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  signal_thread_in_use= 1;

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  /*
    Setup alarm handler
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    This should actually be '+ max_number_of_slaves' instead of +10,
    but the +10 should be quite safe.
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  */
2438
  init_thr_alarm(thread_scheduler.max_threads +
2439
		 global_system_variables.max_insert_delayed_threads + 10);
2440
  if (thd_lib_detected != THD_LIB_LT && (test_flags & TEST_SIGINT))
2441 2442 2443 2444 2445
  {
    (void) sigemptyset(&set);			// Setup up SIGINT for debug
    (void) sigaddset(&set,SIGINT);		// For debugging
    (void) pthread_sigmask(SIG_UNBLOCK,&set,NULL);
  }
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  (void) sigemptyset(&set);			// Setup up SIGINT for debug
#ifdef USE_ONE_SIGNAL_HAND
  (void) sigaddset(&set,THR_SERVER_ALARM);	// For alarms
#endif
2450
#ifndef IGNORE_SIGHUP_SIGQUIT
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  (void) sigaddset(&set,SIGQUIT);
  (void) sigaddset(&set,SIGHUP);
2453 2454
#endif
  (void) sigaddset(&set,SIGTERM);
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  (void) sigaddset(&set,SIGTSTP);

  /* Save pid to this process (or thread on Linux) */
2458
  if (!opt_bootstrap)
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    create_pid_file();

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#ifdef HAVE_STACK_TRACE_ON_SEGV
  if (opt_do_pstack)
  {
    sprintf(pstack_file_name,"mysqld-%lu-%%d-%%d.backtrace", (ulong)getpid());
    pstack_install_segv_action(pstack_file_name);
  }
#endif /* HAVE_STACK_TRACE_ON_SEGV */
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  /*
    signal to start_signal_handler that we are ready
    This works by waiting for start_signal_handler to free mutex,
    after which we signal it that we are ready.
    At this pointer there is no other threads running, so there
    should not be any other pthread_cond_signal() calls.
  */
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  (void) pthread_mutex_lock(&LOCK_thread_count);
  (void) pthread_mutex_unlock(&LOCK_thread_count);
2478
  (void) pthread_cond_broadcast(&COND_thread_count);
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2480
  (void) pthread_sigmask(SIG_BLOCK,&set,NULL);
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  for (;;)
  {
    int error;					// Used when debugging
    if (shutdown_in_progress && !abort_loop)
    {
2486
      sig= SIGTERM;
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      error=0;
    }
    else
      while ((error=my_sigwait(&set,&sig)) == EINTR) ;
    if (cleanup_done)
2492
    {
2493
      DBUG_PRINT("quit",("signal_handler: calling my_thread_end()"));
2494
      my_thread_end();
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      signal_thread_in_use= 0;
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      pthread_exit(0);				// Safety
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    }
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    switch (sig) {
    case SIGTERM:
    case SIGQUIT:
    case SIGKILL:
#ifdef EXTRA_DEBUG
2503
      sql_print_information("Got signal %d to shutdown mysqld",sig);
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#endif
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      /* switch to the old log message processing */
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      logger.set_handlers(LOG_FILE, opt_slow_log ? LOG_FILE:LOG_NONE,
                          opt_log ? LOG_FILE:LOG_NONE);
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      DBUG_PRINT("info",("Got signal: %d  abort_loop: %d",sig,abort_loop));
      if (!abort_loop)
      {
	abort_loop=1;				// mark abort for threads
#ifdef USE_ONE_SIGNAL_HAND
	pthread_t tmp;
	if (!(opt_specialflag & SPECIAL_NO_PRIOR))
	  my_pthread_attr_setprio(&connection_attrib,INTERRUPT_PRIOR);
	if (pthread_create(&tmp,&connection_attrib, kill_server_thread,
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			   (void*) &sig))
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	  sql_print_error("Can't create thread to kill server");
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#else
2520
	kill_server((void*) sig);	// MIT THREAD has a alarm thread
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#endif
      }
      break;
    case SIGHUP:
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      if (!abort_loop)
      {
2527
        bool not_used;
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	mysql_print_status();		// Print some debug info
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	reload_acl_and_cache((THD*) 0,
			     (REFRESH_LOG | REFRESH_TABLES | REFRESH_FAST |
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			      REFRESH_GRANT |
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			      REFRESH_THREADS | REFRESH_HOSTS),
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			     (TABLE_LIST*) 0, &not_used); // Flush logs
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      }
2535
      /* reenable logs after the options were reloaded */
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      logger.set_handlers(LOG_FILE, opt_slow_log ? LOG_TABLE:LOG_NONE,
                          opt_log ? LOG_TABLE:LOG_NONE);
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      break;
#ifdef USE_ONE_SIGNAL_HAND
    case THR_SERVER_ALARM:
      process_alarm(sig);			// Trigger alarms.
      break;
#endif
    default:
#ifdef EXTRA_DEBUG
2546
      sql_print_warning("Got signal: %d  error: %d",sig,error); /* purecov: tested */
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#endif
      break;					/* purecov: tested */
    }
  }
  return(0);					/* purecov: deadcode */
}

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static void check_data_home(const char *path)
2555
{}
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2557
#endif /*!EMBEDDED_LIBRARY*/
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#endif	/* __WIN__*/


/*
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  All global error messages are sent here where the first one is stored
  for the client
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*/


/* ARGSUSED */
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extern "C" int my_message_sql(uint error, const char *str, myf MyFlags);

int my_message_sql(uint error, const char *str, myf MyFlags)
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{
2572
  THD *thd;
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  DBUG_ENTER("my_message_sql");
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  DBUG_PRINT("error", ("error: %u  message: '%s'", error, str));
  /*
    Put here following assertion when situation with EE_* error codes
    will be fixed
    DBUG_ASSERT(error != 0);
  */
2580
  if ((thd= current_thd))
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  {
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    /*
      TODO: There are two exceptions mechanism (THD and sp_rcontext),
      this could be improved by having a common stack of handlers.
    */
2586
    if (thd->handle_error(error, str,
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                          MYSQL_ERROR::WARN_LEVEL_ERROR))
      DBUG_RETURN(0);

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    if (thd->spcont &&
2591
        thd->spcont->handle_error(error, MYSQL_ERROR::WARN_LEVEL_ERROR, thd))
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    {
      DBUG_RETURN(0);
    }

2596
    thd->is_slave_error=  1; // needed to catch query errors during replication
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    if (!thd->no_warnings_for_error)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, error, str);
2600
    /*
2601
      thd->lex->current_select == 0 if lex structure is not inited
2602 2603
      (not query command (COM_QUERY))
    */
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    if (thd->lex->current_select &&
	thd->lex->current_select->no_error && !thd->is_fatal_error)
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    {
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      DBUG_PRINT("error",
                 ("Error converted to warning: current_select: no_error %d  "
                  "fatal_error: %d",
                  (thd->lex->current_select ?
                   thd->lex->current_select->no_error : 0),
                  (int) thd->is_fatal_error));
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    }
    else
    {
      NET *net= &thd->net;
      net->report_error= 1;
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      query_cache_abort(net);
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      if (!net->last_error[0])			// Return only first message
      {
	strmake(net->last_error, str, sizeof(net->last_error)-1);
	net->last_errno= error ? error : ER_UNKNOWN_ERROR;
      }
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    }
  }
2626
  if (!thd || MyFlags & ME_NOREFRESH)
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    sql_print_error("%s: %s",my_progname,str); /* purecov: inspected */
  DBUG_RETURN(0);
}

2631

2632
#ifndef EMBEDDED_LIBRARY
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extern "C" void *my_str_malloc_mysqld(size_t size);
extern "C" void my_str_free_mysqld(void *ptr);

void *my_str_malloc_mysqld(size_t size)
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{
  return my_malloc(size, MYF(MY_FAE));
}


2642
void my_str_free_mysqld(void *ptr)
2643
{
2644
  my_free((uchar*)ptr, MYF(MY_FAE));
2645
}
2646
#endif /* EMBEDDED_LIBRARY */
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#ifdef __WIN__

2651
pthread_handler_t handle_shutdown(void *arg)
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{
  MSG msg;
  my_thread_init();

  /* this call should create the message queue for this thread */
  PeekMessage(&msg, NULL, 1, 65534,PM_NOREMOVE);
2658
#if !defined(EMBEDDED_LIBRARY)
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  if (WaitForSingleObject(hEventShutdown,INFINITE)==WAIT_OBJECT_0)
2660
#endif /* EMBEDDED_LIBRARY */
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     kill_server(MYSQL_KILL_SIGNAL);
  return 0;
}

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2666
int STDCALL handle_kill(ulong ctrl_type)
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{
  if (ctrl_type == CTRL_CLOSE_EVENT ||
      ctrl_type == CTRL_SHUTDOWN_EVENT)
  {
    kill_server(MYSQL_KILL_SIGNAL);
    return TRUE;
  }
  return FALSE;
}
#endif

2678
#if !defined(EMBEDDED_LIBRARY)
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static const char *load_default_groups[]= {
2680
#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
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"mysql_cluster",
#endif
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"mysqld","server", MYSQL_BASE_VERSION, 0, 0};

2685
#if defined(__WIN__)
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static const int load_default_groups_sz=
sizeof(load_default_groups)/sizeof(load_default_groups[0]);
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#endif
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#endif /*!EMBEDDED_LIBRARY*/
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/*
  Initialize one of the global date/time format variables

  SYNOPSIS
    init_global_datetime_format()
    format_type		What kind of format should be supported
    var_ptr		Pointer to variable that should be updated
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  NOTES
    The default value is taken from either opt_date_time_formats[] or
    the ISO format (ANSI SQL)

  RETURN
    0 ok
    1 error
*/

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static bool init_global_datetime_format(timestamp_type format_type,
                                        DATE_TIME_FORMAT **var_ptr)
2711
{
2712 2713
  /* Get command line option */
  const char *str= opt_date_time_formats[format_type];
2714

2715
  if (!str)					// No specified format
2716
  {
2717 2718 2719 2720 2721 2722 2723
    str= get_date_time_format_str(&known_date_time_formats[ISO_FORMAT],
				  format_type);
    /*
      Set the "command line" option to point to the generated string so
      that we can set global formats back to default
    */
    opt_date_time_formats[format_type]= str;
2724
  }
2725
  if (!(*var_ptr= date_time_format_make(format_type, str, strlen(str))))
2726
  {
2727 2728
    fprintf(stderr, "Wrong date/time format specifier: %s\n", str);
    return 1;
2729
  }
2730
  return 0;
2731 2732 2733
}


2734 2735
static int init_common_variables(const char *conf_file_name, int argc,
				 char **argv, const char **groups)
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{
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  char buff[FN_REFLEN], *s;
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2738
  umask(((~my_umask) & 0666));
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2739
  my_decimal_set_zero(&decimal_zero); // set decimal_zero constant;
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2740 2741
  tzset();			// Set tzname

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2742
  max_system_variables.pseudo_thread_id= (ulong)~0;
2743
  server_start_time= my_time(0);
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  rpl_filter= new Rpl_filter;
  binlog_filter= new Rpl_filter;
  if (!rpl_filter || !binlog_filter) 
  {
    sql_perror("Could not allocate replication and binlog filters");
    exit(1);
  }

2752 2753
  if (init_thread_environment())
    return 1;
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  mysql_init_variables();
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#ifdef HAVE_TZNAME
  {
    struct tm tm_tmp;
2759
    localtime_r(&server_start_time,&tm_tmp);
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    strmake(system_time_zone, tzname[tm_tmp.tm_isdst != 0 ? 1 : 0],
            sizeof(system_time_zone)-1);

 }
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#endif
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  /*
    We set SYSTEM time zone as reasonable default and 
    also for failure of my_tz_init() and bootstrap mode.
    If user explicitly set time zone with --default-time-zone
    option we will change this value in my_tz_init().
  */
  global_system_variables.time_zone= my_tz_SYSTEM;
  
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2773
  /*
2774
    Init mutexes for the global MYSQL_BIN_LOG objects.
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2775
    As safe_mutex depends on what MY_INIT() does, we can't init the mutexes of
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    global MYSQL_BIN_LOGs in their constructors, because then they would be
    inited before MY_INIT(). So we do it here.
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2778 2779
  */
  mysql_bin_log.init_pthread_objects();
2780

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  if (gethostname(glob_hostname,sizeof(glob_hostname)) < 0)
  {
    strmake(glob_hostname, STRING_WITH_LEN("localhost"));
    sql_print_warning("gethostname failed, using '%s' as hostname",
                      glob_hostname);
    strmake(pidfile_name, STRING_WITH_LEN("mysql"));
  }
  else
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2789
  strmake(pidfile_name, glob_hostname, sizeof(pidfile_name)-5);
2790
  strmov(fn_ext(pidfile_name),".pid");		// Add proper extension
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2792 2793 2794
  /*
    Add server status variables to the dynamic list of
    status variables that is shown by SHOW STATUS.
2795
    Later, in plugin_init, and mysql_install_plugin
2796 2797 2798 2799 2800
    new entries could be added to that list.
  */
  if (add_status_vars(status_vars))
    return 1; // an error was already reported

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2801 2802
  load_defaults(conf_file_name, groups, &argc, &argv);
  defaults_argv=argv;
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  defaults_argc=argc;
  get_options(&defaults_argc, defaults_argv);
2805 2806
  set_server_version();

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2807 2808 2809
  DBUG_PRINT("info",("%s  Ver %s for %s on %s\n",my_progname,
		     server_version, SYSTEM_TYPE,MACHINE_TYPE));

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2810 2811 2812 2813 2814 2815 2816 2817 2818
#ifdef HAVE_LARGE_PAGES
  /* Initialize large page size */
  if (opt_large_pages && (opt_large_page_size= my_get_large_page_size()))
  {
      my_use_large_pages= 1;
      my_large_page_size= opt_large_page_size;
  }
#endif /* HAVE_LARGE_PAGES */

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2819 2820
  /* connections and databases needs lots of files */
  {
2821
    uint files, wanted_files, max_open_files;
2822

2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837
    /* MyISAM requires two file handles per table. */
    wanted_files= 10+max_connections+table_cache_size*2;
    /*
      We are trying to allocate no less than max_connections*5 file
      handles (i.e. we are trying to set the limit so that they will
      be available).  In addition, we allocate no less than how much
      was already allocated.  However below we report a warning and
      recompute values only if we got less file handles than were
      explicitly requested.  No warning and re-computation occur if we
      can't get max_connections*5 but still got no less than was
      requested (value of wanted_files).
    */
    max_open_files= max(max(wanted_files, max_connections*5),
                        open_files_limit);
    files= my_set_max_open_files(max_open_files);
2838 2839

    if (files < wanted_files)
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2840
    {
2841 2842
      if (!open_files_limit)
      {
2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857
        /*
          If we have requested too much file handles than we bring
          max_connections in supported bounds.
        */
        max_connections= (ulong) min(files-10-TABLE_OPEN_CACHE_MIN*2,
                                     max_connections);
        /*
          Decrease table_cache_size according to max_connections, but
          not below TABLE_OPEN_CACHE_MIN.  Outer min() ensures that we
          never increase table_cache_size automatically (that could
          happen if max_connections is decreased above).
        */
        table_cache_size= (ulong) min(max((files-10-max_connections)/2,
                                          TABLE_OPEN_CACHE_MIN),
                                      table_cache_size);    
2858 2859 2860
	DBUG_PRINT("warning",
		   ("Changed limits: max_open_files: %u  max_connections: %ld  table_cache: %ld",
		    files, max_connections, table_cache_size));
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2861
	if (global_system_variables.log_warnings)
2862
	  sql_print_warning("Changed limits: max_open_files: %u  max_connections: %ld  table_cache: %ld",
2863 2864
			files, max_connections, table_cache_size);
      }
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2865
      else if (global_system_variables.log_warnings)
2866
	sql_print_warning("Could not increase number of max_open_files to more than %u (request: %u)", files, wanted_files);
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2867
    }
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2868
    open_files_limit= files;
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2869 2870
  }
  unireg_init(opt_specialflag); /* Set up extern variabels */
2871 2872
  if (init_errmessage())	/* Read error messages from file */
    return 1;
2873
  init_client_errs();
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2874
  lex_init();
2875 2876
  if (item_create_init())
    return 1;
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2877
  item_init();
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2878 2879 2880 2881 2882 2883
  if (set_var_init())
    return 1;
#ifdef HAVE_REPLICATION
  if (init_replication_sys_vars())
    return 1;
#endif
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2884 2885
  mysys_uses_curses=0;
#ifdef USE_REGEX
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2886
  my_regex_init(&my_charset_latin1);
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2887
#endif
2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914
  /*
    Process a comma-separated character set list and choose
    the first available character set. This is mostly for
    test purposes, to be able to start "mysqld" even if
    the requested character set is not available (see bug#18743).
  */
  for (;;)
  {
    char *next_character_set_name= strchr(default_character_set_name, ',');
    if (next_character_set_name)
      *next_character_set_name++= '\0';
    if (!(default_charset_info=
          get_charset_by_csname(default_character_set_name,
                                MY_CS_PRIMARY, MYF(MY_WME))))
    {
      if (next_character_set_name)
      {
        default_character_set_name= next_character_set_name;
        default_collation_name= 0;          // Ignore collation
      }
      else
        return 1;                           // Eof of the list
    }
    else
      break;
  }

2915 2916
  if (default_collation_name)
  {
2917 2918
    CHARSET_INFO *default_collation;
    default_collation= get_charset_by_name(default_collation_name, MYF(0));
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    if (!default_collation)
    {
      sql_print_error(ER(ER_UNKNOWN_COLLATION), default_collation_name);
      return 1;
    }
    if (!my_charset_same(default_charset_info, default_collation))
2925 2926 2927 2928 2929 2930 2931 2932
    {
      sql_print_error(ER(ER_COLLATION_CHARSET_MISMATCH),
		      default_collation_name,
		      default_charset_info->csname);
      return 1;
    }
    default_charset_info= default_collation;
  }
2933 2934 2935 2936
  /* Set collactions that depends on the default collation */
  global_system_variables.collation_server=	 default_charset_info;
  global_system_variables.collation_database=	 default_charset_info;
  global_system_variables.collation_connection=  default_charset_info;
2937
  global_system_variables.character_set_results= default_charset_info;
2938
  global_system_variables.character_set_client= default_charset_info;
2939
  global_system_variables.collation_connection= default_charset_info;
2940

2941 2942 2943 2944 2945 2946
  if (!(character_set_filesystem= 
        get_charset_by_csname(character_set_filesystem_name,
                              MY_CS_PRIMARY, MYF(MY_WME))))
    return 1;
  global_system_variables.character_set_filesystem= character_set_filesystem;

2947 2948 2949
  if (!(my_default_lc_time_names=
        my_locale_by_name(lc_time_names_name)))
  {
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2950
    sql_print_error("Unknown locale: '%s'", lc_time_names_name);
2951 2952 2953 2954
    return 1;
  }
  global_system_variables.lc_time_names= my_default_lc_time_names;
  
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2955 2956 2957
  sys_init_connect.value_length= 0;
  if ((sys_init_connect.value= opt_init_connect))
    sys_init_connect.value_length= strlen(opt_init_connect);
2958 2959
  else
    sys_init_connect.value=my_strdup("",MYF(0));
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2960 2961 2962 2963

  sys_init_slave.value_length= 0;
  if ((sys_init_slave.value= opt_init_slave))
    sys_init_slave.value_length= strlen(opt_init_slave);
2964 2965
  else
    sys_init_slave.value=my_strdup("",MYF(0));
2966

2967 2968 2969 2970 2971
  /* check log options and issue warnings if needed */
  if (opt_log && opt_logname && !(log_output_options & LOG_FILE) &&
      !(log_output_options & LOG_NONE))
    sql_print_warning("Although a path was specified for the "
                      "--log option, log tables are used. "
2972
                      "To enable logging to files use the --log-output option.");
2973 2974 2975 2976 2977

  if (opt_slow_log && opt_slow_logname && !(log_output_options & LOG_FILE)
      && !(log_output_options & LOG_NONE))
    sql_print_warning("Although a path was specified for the "
                      "--log-slow-queries option, log tables are used. "
2978
                      "To enable logging to files use the --log-output=file option.");
2979

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serg@janus.mylan committed
2980 2981 2982
  s= opt_logname ? opt_logname : make_default_log_name(buff, ".log");
  sys_var_general_log_path.value= my_strdup(s, MYF(0));
  sys_var_general_log_path.value_length= strlen(s);
2983

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serg@janus.mylan committed
2984 2985 2986
  s= opt_slow_logname ? opt_slow_logname : make_default_log_name(buff, "-slow.log");
  sys_var_slow_log_path.value= my_strdup(s, MYF(0));
  sys_var_slow_log_path.value_length= strlen(s);
2987

2988
  if (use_temp_pool && bitmap_init(&temp_pool,0,1024,1))
2989
    return 1;
2990
  if (my_database_names_init())
2991 2992
    return 1;

2993 2994 2995 2996 2997 2998
  /*
    Ensure that lower_case_table_names is set on system where we have case
    insensitive names.  If this is not done the users MyISAM tables will
    get corrupted if accesses with names of different case.
  */
  DBUG_PRINT("info", ("lower_case_table_names: %d", lower_case_table_names));
2999 3000
  lower_case_file_system= test_if_case_insensitive(mysql_real_data_home);
  if (!lower_case_table_names && lower_case_file_system == 1)
3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029
  {
    if (lower_case_table_names_used)
    {
      if (global_system_variables.log_warnings)
	sql_print_warning("\
You have forced lower_case_table_names to 0 through a command-line \
option, even though your file system '%s' is case insensitive.  This means \
that you can corrupt a MyISAM table by accessing it with different cases. \
You should consider changing lower_case_table_names to 1 or 2",
			mysql_real_data_home);
    }
    else
    {
      if (global_system_variables.log_warnings)
	sql_print_warning("Setting lower_case_table_names=2 because file system for %s is case insensitive", mysql_real_data_home);
      lower_case_table_names= 2;
    }
  }
  else if (lower_case_table_names == 2 &&
           !(lower_case_file_system=
             (test_if_case_insensitive(mysql_real_data_home) == 1)))
  {
    if (global_system_variables.log_warnings)
      sql_print_warning("lower_case_table_names was set to 2, even though your "
                        "the file system '%s' is case sensitive.  Now setting "
                        "lower_case_table_names to 0 to avoid future problems.",
			mysql_real_data_home);
    lower_case_table_names= 0;
  }
3030 3031 3032 3033 3034
  else
  {
    lower_case_file_system=
      (test_if_case_insensitive(mysql_real_data_home) == 1);
  }
3035 3036 3037 3038 3039 3040

  /* Reset table_alias_charset, now that lower_case_table_names is set. */
  table_alias_charset= (lower_case_table_names ?
			files_charset_info :
			&my_charset_bin);

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hf@genie.(none) committed
3041 3042
  return 0;
}
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3043

3044 3045

static int init_thread_environment()
hf@genie.(none)'s avatar
hf@genie.(none) committed
3046
{
3047
  (void) pthread_mutex_init(&LOCK_mysql_create_db,MY_MUTEX_INIT_SLOW);
3048
  (void) pthread_mutex_init(&LOCK_lock_db,MY_MUTEX_INIT_SLOW);
3049
  (void) pthread_mutex_init(&LOCK_Acl,MY_MUTEX_INIT_SLOW);
3050
  (void) pthread_mutex_init(&LOCK_open, NULL);
3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062
  (void) pthread_mutex_init(&LOCK_thread_count,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_mapped_file,MY_MUTEX_INIT_SLOW);
  (void) pthread_mutex_init(&LOCK_status,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_error_log,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_delayed_insert,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_delayed_status,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_delayed_create,MY_MUTEX_INIT_SLOW);
  (void) pthread_mutex_init(&LOCK_manager,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_crypt,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_bytes_sent,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_bytes_received,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_user_conn, MY_MUTEX_INIT_FAST);
3063
  (void) pthread_mutex_init(&LOCK_active_mi, MY_MUTEX_INIT_FAST);
3064
  (void) pthread_mutex_init(&LOCK_global_system_variables, MY_MUTEX_INIT_FAST);
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3065
  (void) my_rwlock_init(&LOCK_system_variables_hash, NULL);
3066
  (void) pthread_mutex_init(&LOCK_global_read_lock, MY_MUTEX_INIT_FAST);
3067
  (void) pthread_mutex_init(&LOCK_prepared_stmt_count, MY_MUTEX_INIT_FAST);
3068
  (void) pthread_mutex_init(&LOCK_uuid_generator, MY_MUTEX_INIT_FAST);
3069 3070
#ifdef HAVE_OPENSSL
  (void) pthread_mutex_init(&LOCK_des_key_file,MY_MUTEX_INIT_FAST);
3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081
#ifndef HAVE_YASSL
  openssl_stdlocks= (openssl_lock_t*) OPENSSL_malloc(CRYPTO_num_locks() *
                                                     sizeof(openssl_lock_t));
  for (int i= 0; i < CRYPTO_num_locks(); ++i)
    (void) my_rwlock_init(&openssl_stdlocks[i].lock, NULL); 
  CRYPTO_set_dynlock_create_callback(openssl_dynlock_create);
  CRYPTO_set_dynlock_destroy_callback(openssl_dynlock_destroy);
  CRYPTO_set_dynlock_lock_callback(openssl_lock);
  CRYPTO_set_locking_callback(openssl_lock_function);
  CRYPTO_set_id_callback(openssl_id_function);
#endif
3082
#endif
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3083 3084
  (void) my_rwlock_init(&LOCK_sys_init_connect, NULL);
  (void) my_rwlock_init(&LOCK_sys_init_slave, NULL);
3085
  (void) my_rwlock_init(&LOCK_grant, NULL);
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  (void) pthread_cond_init(&COND_thread_count,NULL);
  (void) pthread_cond_init(&COND_refresh,NULL);
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3088
  (void) pthread_cond_init(&COND_global_read_lock,NULL);
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  (void) pthread_cond_init(&COND_thread_cache,NULL);
  (void) pthread_cond_init(&COND_flush_thread_cache,NULL);
3091
  (void) pthread_cond_init(&COND_manager,NULL);
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SCRUM  
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3092
#ifdef HAVE_REPLICATION
3093
  (void) pthread_mutex_init(&LOCK_rpl_status, MY_MUTEX_INIT_FAST);
3094
  (void) pthread_cond_init(&COND_rpl_status, NULL);
3095
#endif
3096 3097
  (void) pthread_mutex_init(&LOCK_server_started, MY_MUTEX_INIT_FAST);
  (void) pthread_cond_init(&COND_server_started,NULL);
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Merge  
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3098
  sp_cache_init();
3099
  Events::init_mutexes();
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  /* Parameter for threads created for connections */
  (void) pthread_attr_init(&connection_attrib);
  (void) pthread_attr_setdetachstate(&connection_attrib,
				     PTHREAD_CREATE_DETACHED);
  pthread_attr_setscope(&connection_attrib, PTHREAD_SCOPE_SYSTEM);
3105 3106
  if (!(opt_specialflag & SPECIAL_NO_PRIOR))
    my_pthread_attr_setprio(&connection_attrib,WAIT_PRIOR);
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  if (pthread_key_create(&THR_THD,NULL) ||
      pthread_key_create(&THR_MALLOC,NULL))
  {
    sql_print_error("Can't create thread-keys");
    return 1;
  }
  return 0;
}

3117

3118
#if defined(HAVE_OPENSSL) && !defined(HAVE_YASSL)
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static unsigned long openssl_id_function()
{ 
  return (unsigned long) pthread_self();
} 


static openssl_lock_t *openssl_dynlock_create(const char *file, int line)
{ 
  openssl_lock_t *lock= new openssl_lock_t;
  my_rwlock_init(&lock->lock, NULL);
  return lock;
}


static void openssl_dynlock_destroy(openssl_lock_t *lock, const char *file, 
				    int line)
{
  rwlock_destroy(&lock->lock);
  delete lock;
}


static void openssl_lock_function(int mode, int n, const char *file, int line)
{
  if (n < 0 || n > CRYPTO_num_locks())
  {
    /* Lock number out of bounds. */
    sql_print_error("Fatal: OpenSSL interface problem (n = %d)", n);
    abort();
  }
  openssl_lock(mode, &openssl_stdlocks[n], file, line);
}


static void openssl_lock(int mode, openssl_lock_t *lock, const char *file, 
			 int line)
{
  int err;
  char const *what;

  switch (mode) {
  case CRYPTO_LOCK|CRYPTO_READ:
    what = "read lock";
    err = rw_rdlock(&lock->lock);
    break;
  case CRYPTO_LOCK|CRYPTO_WRITE:
    what = "write lock";
    err = rw_wrlock(&lock->lock);
    break;
  case CRYPTO_UNLOCK|CRYPTO_READ:
  case CRYPTO_UNLOCK|CRYPTO_WRITE:
    what = "unlock";
    err = rw_unlock(&lock->lock);
    break;
  default:
    /* Unknown locking mode. */
    sql_print_error("Fatal: OpenSSL interface problem (mode=0x%x)", mode);
    abort();
  }
  if (err) 
  {
3180
    sql_print_error("Fatal: can't %s OpenSSL lock", what);
3181 3182 3183 3184 3185 3186
    abort();
  }
}
#endif /* HAVE_OPENSSL */


3187 3188
#ifndef EMBEDDED_LIBRARY

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3189 3190
static void init_ssl()
{
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#ifdef HAVE_OPENSSL
  if (opt_use_ssl)
  {
3194 3195 3196 3197
    /* having ssl_acceptor_fd != 0 signals the use of SSL */
    ssl_acceptor_fd= new_VioSSLAcceptorFd(opt_ssl_key, opt_ssl_cert,
					  opt_ssl_ca, opt_ssl_capath,
					  opt_ssl_cipher);
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3198
    DBUG_PRINT("info",("ssl_acceptor_fd: 0x%lx", (long) ssl_acceptor_fd));
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3199
    if (!ssl_acceptor_fd)
3200
    {
3201
      sql_print_warning("Failed to setup SSL");
3202
      opt_use_ssl = 0;
3203
      have_ssl= SHOW_OPTION_DISABLED;
3204 3205 3206 3207
    }
  }
  else
  {
3208
    have_ssl= SHOW_OPTION_DISABLED;
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3209
  }
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  if (des_key_file)
    load_des_key_file(des_key_file);
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3212
#endif /* HAVE_OPENSSL */
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3213
}
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3214

3215

3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226
static void end_ssl()
{
#ifdef HAVE_OPENSSL
  if (ssl_acceptor_fd)
  {
    free_vio_ssl_acceptor_fd(ssl_acceptor_fd);
    ssl_acceptor_fd= 0;
  }
#endif /* HAVE_OPENSSL */
}

3227
#endif /* EMBEDDED_LIBRARY */
3228

3229

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3230 3231
static int init_server_components()
{
3232
  DBUG_ENTER("init_server_components");
3233 3234 3235 3236 3237
  /*
    We need to call each of these following functions to ensure that
    all things are initialized so that unireg_abort() doesn't fail
  */
  if (table_cache_init() | table_def_init() | hostname_cache_init())
3238
    unireg_abort(1);
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3239

3240
  query_cache_result_size_limit(query_cache_limit);
3241
  query_cache_set_min_res_unit(query_cache_min_res_unit);
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3242
  query_cache_init();
3243
  query_cache_resize(query_cache_size);
3244
  randominit(&sql_rand,(ulong) server_start_time,(ulong) server_start_time/2);
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  reset_floating_point_exceptions();
  init_thr_lock();
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SCRUM  
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3247
#ifdef HAVE_REPLICATION
3248
  init_slave_list();
3249
#endif
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3250

3251 3252
  /* Setup logs */

3253 3254 3255 3256 3257 3258
  /*
    Enable old-fashioned error log, except when the user has requested
    help information. Since the implementation of plugin server
    variables the help output is now written much later.
  */
  if (opt_error_log && !opt_help)
3259 3260
  {
    if (!log_error_file_ptr[0])
3261
      fn_format(log_error_file, pidfile_name, mysql_data_home, ".err",
3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276
                MY_REPLACE_EXT); /* replace '.<domain>' by '.err', bug#4997 */
    else
      fn_format(log_error_file, log_error_file_ptr, mysql_data_home, ".err",
                MY_UNPACK_FILENAME | MY_SAFE_PATH);
    if (!log_error_file[0])
      opt_error_log= 1;				// Too long file name
    else
    {
#ifndef EMBEDDED_LIBRARY
      if (freopen(log_error_file, "a+", stdout))
#endif
        freopen(log_error_file, "a+", stderr);
    }
  }

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  if (xid_cache_init())
  {
    sql_print_error("Out of memory");
    unireg_abort(1);
  }

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3283
  /* need to configure logging before initializing storage engines */
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3284
  if (opt_update_log)
3285
  {
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Merge  
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3286 3287 3288 3289
    /*
      Update log is removed since 5.0. But we still accept the option.
      The idea is if the user already uses the binlog and the update log,
      we completely ignore any option/variable related to the update log, like
3290 3291
      if the update log did not exist. But if the user uses only the update
      log, then we translate everything into binlog for him (with warnings).
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3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304
      Implementation of the above :
      - If mysqld is started with --log-update and --log-bin,
      ignore --log-update (print a warning), push a warning when SQL_LOG_UPDATE
      is used, and turn off --sql-bin-update-same.
      This will completely ignore SQL_LOG_UPDATE
      - If mysqld is started with --log-update only,
      change it to --log-bin (with the filename passed to log-update,
      plus '-bin') (print a warning), push a warning when SQL_LOG_UPDATE is
      used, and turn on --sql-bin-update-same.
      This will translate SQL_LOG_UPDATE to SQL_LOG_BIN.

      Note that we tell the user that --sql-bin-update-same is deprecated and
      does nothing, and we don't take into account if he used this option or
3305 3306
      not; but internally we give this variable a value to have the behaviour
      we want (i.e. have SQL_LOG_UPDATE influence SQL_LOG_BIN or not).
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3307
      As sql-bin-update-same, log-update and log-bin cannot be changed by the
3308 3309
      user after starting the server (they are not variables), the user will
      not later interfere with the settings we do here.
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3310 3311
    */
    if (opt_bin_log)
3312
    {
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3313 3314 3315 3316 3317 3318 3319 3320 3321 3322
      opt_sql_bin_update= 0;
      sql_print_error("The update log is no longer supported by MySQL in \
version 5.0 and above. It is replaced by the binary log.");
    }
    else
    {
      opt_sql_bin_update= 1;
      opt_bin_log= 1;
      if (opt_update_logname)
      {
3323
        /* as opt_bin_log==0, no need to free opt_bin_logname */
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3324 3325 3326 3327 3328 3329 3330 3331 3332 3333
        if (!(opt_bin_logname= my_strdup(opt_update_logname, MYF(MY_WME))))
          exit(EXIT_OUT_OF_MEMORY);
        sql_print_error("The update log is no longer supported by MySQL in \
version 5.0 and above. It is replaced by the binary log. Now starting MySQL \
with --log-bin='%s' instead.",opt_bin_logname);
      }
      else
        sql_print_error("The update log is no longer supported by MySQL in \
version 5.0 and above. It is replaced by the binary log. Now starting MySQL \
with --log-bin instead.");
3334
    }
3335
  }
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3336
  if (opt_log_slave_updates && !opt_bin_log)
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monty@mashka.mysql.fi committed
3337
  {
3338 3339
    sql_print_error("You need to use --log-bin to make "
                    "--log-slave-updates work.");
3340 3341
    unireg_abort(1);
  }
3342 3343
  if (!opt_bin_log)
    if (opt_binlog_format_id != BINLOG_FORMAT_UNSPEC)
3344
  {
3345 3346
    sql_print_error("You need to use --log-bin to make "
                    "--binlog-format work.");
3347
    unireg_abort(1);
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monty@mashka.mysql.fi committed
3348
  }
3349
    else
3350
  {
3351
      global_system_variables.binlog_format= BINLOG_FORMAT_MIXED;
3352 3353 3354
    }
  else
    if (opt_binlog_format_id == BINLOG_FORMAT_UNSPEC)
3355
      global_system_variables.binlog_format= BINLOG_FORMAT_MIXED;
3356 3357 3358
    else
    { 
      DBUG_ASSERT(global_system_variables.binlog_format != BINLOG_FORMAT_UNSPEC);
3359
  }
3360

3361
  /* Check that we have not let the format to unspecified at this point */
3362
  DBUG_ASSERT((uint)global_system_variables.binlog_format <=
3363
              array_elements(binlog_format_names)-1);
3364

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3365
#ifdef HAVE_REPLICATION
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3366 3367 3368
  if (opt_log_slave_updates && replicate_same_server_id)
  {
    sql_print_error("\
3369
using --replicate-same-server-id in conjunction with \
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monty@mysql.com committed
3370 3371 3372 3373
--log-slave-updates is impossible, it would lead to infinite loops in this \
server.");
    unireg_abort(1);
  }
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3374
#endif
3375

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Merge  
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3376
  if (opt_bin_log)
3377
  {
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3378 3379 3380 3381
    char buf[FN_REFLEN];
    const char *ln;
    ln= mysql_bin_log.generate_name(opt_bin_logname, "-bin", 1, buf);
    if (!opt_bin_logname && !opt_binlog_index_name)
3382 3383
    {
      /*
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3384 3385 3386 3387 3388
        User didn't give us info to name the binlog index file.
        Picking `hostname`-bin.index like did in 4.x, causes replication to
        fail if the hostname is changed later. So, we would like to instead
        require a name. But as we don't want to break many existing setups, we
        only give warning, not error.
3389
      */
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Merge  
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3390 3391 3392 3393 3394
      sql_print_warning("No argument was provided to --log-bin, and "
                        "--log-bin-index was not used; so replication "
                        "may break when this MySQL server acts as a "
                        "master and has his hostname changed!! Please "
                        "use '--log-bin=%s' to avoid this problem.", ln);
3395
    }
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3396
    if (ln == buf)
3397
    {
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3398 3399
      my_free(opt_bin_logname, MYF(MY_ALLOW_ZERO_PTR));
      opt_bin_logname=my_strdup(buf, MYF(0));
3400
    }
3401 3402 3403 3404 3405 3406 3407 3408 3409
    if (mysql_bin_log.open_index_file(opt_binlog_index_name, ln))
    {
      unireg_abort(1);
    }

    /*
      Used to specify which type of lock we need to use for queries of type
      INSERT ... SELECT. This will change when we have row level logging.
    */
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Merge  
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3410
    using_update_log=1;
3411 3412
  }

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3413
  if (plugin_init(&defaults_argc, defaults_argv,
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antony@ppcg5.local committed
3414 3415
                  (opt_noacl ? PLUGIN_INIT_SKIP_PLUGIN_TABLE : 0) |
                  (opt_help ? PLUGIN_INIT_SKIP_INITIALIZATION : 0)))
3416
  {
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antony@ppcg5.local committed
3417 3418
    sql_print_error("Failed to initialize plugins.");
    unireg_abort(1);
3419 3420
  }

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3421 3422 3423 3424 3425 3426 3427
  if (opt_help)
    unireg_abort(0);

  /* we do want to exit if there are any other unknown options */
  if (defaults_argc > 1)
  {
    int ho_error;
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3428 3429
    char **tmp_argv= defaults_argv;
    struct my_option no_opts[]=
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3430 3431 3432 3433 3434
    {
      {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
    };
    /*
      We need to eat any 'loose' arguments first before we conclude
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serg@janus.mylan committed
3435 3436 3437
      that there are unprocessed options.
      But we need to preserve defaults_argv pointer intact for
      free_defaults() to work. Thus we use a copy here.
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3438 3439
    */
    my_getopt_skip_unknown= 0;
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serg@janus.mylan committed
3440 3441

    if ((ho_error= handle_options(&defaults_argc, &tmp_argv, no_opts,
3442
                                  mysqld_get_one_option)))
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3443
      unireg_abort(ho_error);
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serg@janus.mylan committed
3444

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3445 3446 3447
    if (defaults_argc)
    {
      fprintf(stderr, "%s: Too many arguments (first extra is '%s').\n"
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serg@janus.mylan committed
3448 3449
              "Use --verbose --help to get a list of available options\n",
              my_progname, *tmp_argv);
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antony@ppcg5.local committed
3450 3451
      unireg_abort(1);
    }
3452 3453
  }

3454 3455 3456 3457
  /* if the errmsg.sys is not loaded, terminate to maintain behaviour */
  if (!errmesg[0][0])
    unireg_abort(1);

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acurtis@xiphis.org committed
3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485
  /* We have to initialize the storage engines before CSV logging */
  if (ha_init())
  {
    sql_print_error("Can't init databases");
    unireg_abort(1);
  }

#ifdef WITH_CSV_STORAGE_ENGINE
  if (opt_bootstrap)
    log_output_options= LOG_FILE;
  else
    logger.init_log_tables();

  if (log_output_options & LOG_NONE)
  {
    /*
      Issue a warining if there were specified additional options to the
      log-output along with NONE. Probably this wasn't what user wanted.
    */
    if ((log_output_options & LOG_NONE) && (log_output_options & ~LOG_NONE))
      sql_print_warning("There were other values specified to "
                        "log-output besides NONE. Disabling slow "
                        "and general logs anyway.");
    logger.set_handlers(LOG_FILE, LOG_NONE, LOG_NONE);
  }
  else
  {
    /* fall back to the log files if tables are not present */
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antony@ppcg5.local committed
3486 3487
    LEX_STRING csv_name={C_STRING_WITH_LEN("csv")};
    if (!plugin_is_ready(&csv_name, MYSQL_STORAGE_ENGINE_PLUGIN))
acurtis@xiphis.org's avatar
acurtis@xiphis.org committed
3488
    {
3489
      /* purecov: begin inspected */
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acurtis@xiphis.org committed
3490 3491
      sql_print_error("CSV engine is not present, falling back to the "
                      "log files");
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monty@mysql.com committed
3492
      log_output_options= (log_output_options & ~LOG_TABLE) | LOG_FILE;
3493
      /* purecov: end */
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acurtis@xiphis.org committed
3494 3495 3496 3497 3498 3499 3500 3501 3502 3503
    }

    logger.set_handlers(LOG_FILE, opt_slow_log ? log_output_options:LOG_NONE,
                        opt_log ? log_output_options:LOG_NONE);
  }
#else
  logger.set_handlers(LOG_FILE, opt_slow_log ? LOG_FILE:LOG_NONE,
                      opt_log ? LOG_FILE:LOG_NONE);
#endif

3504 3505 3506
  /*
    Check that the default storage engine is actually available.
  */
antony@ppcg5.local's avatar
antony@ppcg5.local committed
3507
  if (default_storage_engine_str)
3508
  {
3509 3510
    LEX_STRING name= { default_storage_engine_str,
                       strlen(default_storage_engine_str) };
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antony@ppcg5.local committed
3511 3512 3513 3514 3515 3516
    plugin_ref plugin;
    handlerton *hton;
    
    if ((plugin= ha_resolve_by_name(0, &name)))
      hton= plugin_data(plugin, handlerton*);
    else
3517
    {
3518 3519
      sql_print_error("Unknown/unsupported table type: %s",
                      default_storage_engine_str);
3520 3521
      unireg_abort(1);
    }
3522 3523 3524 3525 3526 3527 3528 3529
    if (!ha_storage_engine_is_enabled(hton))
    {
      if (!opt_bootstrap)
      {
        sql_print_error("Default storage engine (%s) is not available",
                        default_storage_engine_str);
        unireg_abort(1);
      }
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antony@ppcg5.local committed
3530 3531 3532 3533 3534 3535 3536 3537 3538 3539
      DBUG_ASSERT(global_system_variables.table_plugin);
    }
    else
    {
      /*
        Need to unlock as global_system_variables.table_plugin 
        was acquired during plugin_init()
      */
      plugin_unlock(0, global_system_variables.table_plugin);
      global_system_variables.table_plugin= plugin;
3540
    }
3541 3542
  }

3543 3544 3545 3546
  tc_log= (total_ha_2pc > 1 ? (opt_bin_log  ?
                               (TC_LOG *) &mysql_bin_log :
                               (TC_LOG *) &tc_log_mmap) :
           (TC_LOG *) &tc_log_dummy);
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igor@rurik.mysql.com committed
3547

3548
  if (tc_log->open(opt_bin_log ? opt_bin_logname : opt_tc_log_file))
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Merge  
ingo@mysql.com committed
3549 3550 3551 3552 3553
  {
    sql_print_error("Can't init tc log");
    unireg_abort(1);
  }

3554 3555 3556 3557 3558
  if (ha_recover(0))
  {
    unireg_abort(1);
  }

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Merge  
ingo@mysql.com committed
3559 3560
  if (opt_bin_log && mysql_bin_log.open(opt_bin_logname, LOG_BIN, 0,
                                        WRITE_CACHE, 0, max_binlog_size, 0))
3561
    unireg_abort(1);
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Merge  
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3562 3563 3564

#ifdef HAVE_REPLICATION
  if (opt_bin_log && expire_logs_days)
3565
  {
3566
    time_t purge_time= server_start_time - expire_logs_days*24*60*60;
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Merge  
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3567 3568
    if (purge_time >= 0)
      mysql_bin_log.purge_logs_before_date(purge_time);
3569
  }
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3570
#endif
3571 3572 3573 3574
#ifdef __NETWARE__
  /* Increasing stacksize of threads on NetWare */
  pthread_attr_setstacksize(&connection_attrib, NW_THD_STACKSIZE);
#endif
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3575 3576 3577

  if (opt_myisam_log)
    (void) mi_log(1);
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3578

3579 3580
  /* call ha_init_key_cache() on all key caches to init them */
  process_key_caches(&ha_init_key_cache);
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3581

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ram@gw.mysql.r18.ru committed
3582
#if defined(HAVE_MLOCKALL) && defined(MCL_CURRENT) && !defined(EMBEDDED_LIBRARY)
3583
  if (locked_in_memory && !getuid())
3584
  {
3585
    if (setreuid((uid_t)-1, 0) == -1)
3586
    {                        // this should never happen
3587
      sql_perror("setreuid");
3588 3589
      unireg_abort(1);
    }
3590 3591
    if (mlockall(MCL_CURRENT))
    {
3592
      if (global_system_variables.log_warnings)
3593
	sql_print_warning("Failed to lock memory. Errno: %d\n",errno);
3594
      locked_in_memory= 0;
3595
    }
3596 3597
    if (user_info)
      set_user(mysqld_user, user_info);
3598
  }
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serg@serg.mylan committed
3599
  else
3600
#endif
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3601
    locked_in_memory=0;
3602

3603
  ft_init_stopwords();
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3604

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3605
  init_max_user_conn();
3606
  init_update_queries();
3607
  DBUG_RETURN(0);
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3608
}
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3610

3611
#ifndef EMBEDDED_LIBRARY
3612

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3613 3614
static void create_maintenance_thread()
{
3615
  if (flush_time && flush_time != ~(ulong) 0L)
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3616
  {
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3617 3618
    pthread_t hThread;
    if (pthread_create(&hThread,&connection_attrib,handle_manager,0))
3619
      sql_print_warning("Can't create thread to manage maintenance");
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3620
  }
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3621 3622
}

3623

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3624 3625 3626
static void create_shutdown_thread()
{
#ifdef __WIN__
3627 3628 3629
  hEventShutdown=CreateEvent(0, FALSE, FALSE, shutdown_event_name);
  pthread_t hThread;
  if (pthread_create(&hThread,&connection_attrib,handle_shutdown,0))
3630
    sql_print_warning("Can't create thread to handle shutdown requests");
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bk@work.mysql.com committed
3631

3632 3633
  // On "Stop Service" we have to do regular shutdown
  Service.SetShutdownEvent(hEventShutdown);
3634
#endif /* __WIN__ */
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3635
}
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3636

3637
#endif /* EMBEDDED_LIBRARY */
3638 3639


3640
#if (defined(__NT__) || defined(HAVE_SMEM)) && !defined(EMBEDDED_LIBRARY)
3641
static void handle_connections_methods()
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hf@genie.(none) committed
3642
{
3643 3644 3645
  pthread_t hThread;
  DBUG_ENTER("handle_connections_methods");
#ifdef __NT__
3646
  if (hPipe == INVALID_HANDLE_VALUE &&
3647 3648
      (!have_tcpip || opt_disable_networking) &&
      !opt_enable_shared_memory)
bk@work.mysql.com's avatar
bk@work.mysql.com committed
3649
  {
3650
    sql_print_error("TCP/IP, --shared-memory, or --named-pipe should be configured on NT OS");
3651
    unireg_abort(1);				// Will not return
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bk@work.mysql.com committed
3652
  }
3653 3654 3655 3656 3657 3658 3659
#endif

  pthread_mutex_lock(&LOCK_thread_count);
  (void) pthread_cond_init(&COND_handler_count,NULL);
  handler_count=0;
#ifdef __NT__
  if (hPipe != INVALID_HANDLE_VALUE)
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bk@work.mysql.com committed
3660
  {
3661 3662 3663
    handler_count++;
    if (pthread_create(&hThread,&connection_attrib,
		       handle_connections_namedpipes, 0))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
3664
    {
3665
      sql_print_warning("Can't create thread to handle named pipes");
3666 3667 3668 3669 3670 3671 3672 3673 3674 3675
      handler_count--;
    }
  }
#endif /* __NT__ */
  if (have_tcpip && !opt_disable_networking)
  {
    handler_count++;
    if (pthread_create(&hThread,&connection_attrib,
		       handle_connections_sockets, 0))
    {
3676
      sql_print_warning("Can't create thread to handle TCP/IP");
3677 3678 3679 3680 3681 3682 3683 3684 3685 3686
      handler_count--;
    }
  }
#ifdef HAVE_SMEM
  if (opt_enable_shared_memory)
  {
    handler_count++;
    if (pthread_create(&hThread,&connection_attrib,
		       handle_connections_shared_memory, 0))
    {
3687
      sql_print_warning("Can't create thread to handle shared memory");
3688
      handler_count--;
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3689 3690
    }
  }
3691
#endif 
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3692

3693 3694 3695 3696 3697
  while (handler_count > 0)
    pthread_cond_wait(&COND_handler_count,&LOCK_thread_count);
  pthread_mutex_unlock(&LOCK_thread_count);
  DBUG_VOID_RETURN;
}
3698 3699 3700 3701 3702 3703

void decrement_handler_count()
{
  pthread_mutex_lock(&LOCK_thread_count);
  handler_count--;
  pthread_cond_signal(&COND_handler_count);
3704 3705
  pthread_mutex_unlock(&LOCK_thread_count);  
  my_thread_end();
3706 3707 3708
}
#else
#define decrement_handler_count()
3709 3710 3711
#endif /* defined(__NT__) || defined(HAVE_SMEM) */


3712
#ifndef EMBEDDED_LIBRARY
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3713 3714 3715 3716 3717 3718
#ifdef __WIN__
int win_main(int argc, char **argv)
#else
int main(int argc, char **argv)
#endif
{
3719 3720 3721
  MY_INIT(argv[0]);		// init my_sys library & pthreads
  /* nothing should come before this line ^^^ */

3722 3723 3724 3725 3726 3727 3728
  /* Set signal used to kill MySQL */
#if defined(SIGUSR2)
  thr_kill_signal= thd_lib_detected == THD_LIB_LT ? SIGINT : SIGUSR2;
#else
  thr_kill_signal= SIGINT;
#endif

3729 3730 3731 3732 3733 3734
  /*
    Perform basic logger initialization logger. Should be called after
    MY_INIT, as it initializes mutexes. Log tables are inited later.
  */
  logger.init_base();

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3735
#ifdef _CUSTOMSTARTUPCONFIG_
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3736 3737 3738
  if (_cust_check_startup())
  {
    / * _cust_check_startup will report startup failure error * /
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Merge  
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3739
    exit(1);
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3740 3741
  }
#endif
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hf@genie.(none) committed
3742

3743
#ifdef	__WIN__
3744 3745 3746 3747
  /*
    Before performing any socket operation (like retrieving hostname
    in init_common_variables we have to call WSAStartup
  */
3748 3749 3750 3751
  {
    WSADATA WsaData;
    if (SOCKET_ERROR == WSAStartup (0x0101, &WsaData))
    {
3752
      /* errors are not read yet, so we use english text here */
3753 3754 3755 3756 3757 3758
      my_message(ER_WSAS_FAILED, "WSAStartup Failed", MYF(0));
      unireg_abort(1);
    }
  }
#endif /* __WIN__ */

3759 3760 3761
  if (init_common_variables(MYSQL_CONFIG_NAME,
			    argc, argv, load_default_groups))
    unireg_abort(1);				// Will do exit
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3762 3763 3764 3765

  init_signals();
  if (!(opt_specialflag & SPECIAL_NO_PRIOR))
    my_pthread_setprio(pthread_self(),CONNECT_PRIOR);
3766
#if defined(__ia64__) || defined(__ia64)
3767 3768 3769 3770
  /*
    Peculiar things with ia64 platforms - it seems we only have half the
    stack size in reality, so we have to double it here
  */
3771 3772
  pthread_attr_setstacksize(&connection_attrib,thread_stack*2);
#else
3773
  pthread_attr_setstacksize(&connection_attrib,thread_stack);
3774
#endif
3775 3776 3777 3778 3779
#ifdef HAVE_PTHREAD_ATTR_GETSTACKSIZE
  {
    /* Retrieve used stack size;  Needed for checking stack overflows */
    size_t stack_size= 0;
    pthread_attr_getstacksize(&connection_attrib, &stack_size);
3780 3781 3782
#if defined(__ia64__) || defined(__ia64)
    stack_size/= 2;
#endif
3783 3784 3785 3786
    /* We must check if stack_size = 0 as Solaris 2.9 can return 0 here */
    if (stack_size && stack_size < thread_stack)
    {
      if (global_system_variables.log_warnings)
3787
	sql_print_warning("Asked for %lu thread stack, but got %ld",
3788
			  thread_stack, (long) stack_size);
3789 3790 3791
#if defined(__ia64__) || defined(__ia64)
      thread_stack= stack_size*2;
#else
3792
      thread_stack= stack_size;
3793
#endif
3794 3795 3796
    }
  }
#endif
3797 3798 3799 3800
#ifdef __NETWARE__
  /* Increasing stacksize of threads on NetWare */
  pthread_attr_setstacksize(&connection_attrib, NW_THD_STACKSIZE);
#endif
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monty@mysql.com committed
3801

3802
  (void) thr_setconcurrency(concurrency);	// 10 by default
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hf@genie.(none) committed
3803

3804 3805
  select_thread=pthread_self();
  select_thread_in_use=1;
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hf@genie.(none) committed
3806 3807 3808 3809 3810 3811 3812 3813 3814 3815
  init_ssl();

#ifdef HAVE_LIBWRAP
  libwrapName= my_progname+dirname_length(my_progname);
  openlog(libwrapName, LOG_PID, LOG_AUTH);
#endif

  /*
    We have enough space for fiddling with the argv, continue
  */
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monty@mashka.mysql.fi committed
3816
  check_data_home(mysql_real_data_home);
3817
  if (my_setwd(mysql_real_data_home,MYF(MY_WME)) && !opt_help)
hf@genie.(none)'s avatar
hf@genie.(none) committed
3818 3819 3820 3821
    unireg_abort(1);				/* purecov: inspected */
  mysql_data_home= mysql_data_home_buff;
  mysql_data_home[0]=FN_CURLIB;		// all paths are relative from here
  mysql_data_home[1]=0;
3822
  mysql_data_home_len= 2;
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paul@kite-hub.kitebird.com committed
3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833

  if ((user_info= check_user(mysqld_user)))
  {
#if defined(HAVE_MLOCKALL) && defined(MCL_CURRENT)
    if (locked_in_memory) // getuid() == 0 here
      set_effective_user(user_info);
    else
#endif
      set_user(mysqld_user, user_info);
  }

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hf@genie.(none) committed
3834 3835 3836 3837
  if (opt_bin_log && !server_id)
  {
    server_id= !master_host ? 1 : 2;
#ifdef EXTRA_DEBUG
3838
    switch (server_id) {
hf@genie.(none)'s avatar
hf@genie.(none) committed
3839
    case 1:
3840 3841
      sql_print_warning("\
You have enabled the binary log, but you haven't set server-id to \
3842 3843
a non-zero value: we force server id to 1; updates will be logged to the \
binary log, but connections from slaves will not be accepted.");
hf@genie.(none)'s avatar
hf@genie.(none) committed
3844 3845
      break;
    case 2:
3846 3847
      sql_print_warning("\
You should set server-id to a non-0 value if master_host is set; \
3848
we force server id to 2, but this MySQL server will not act as a slave.");
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hf@genie.(none) committed
3849 3850
      break;
    }
3851
#endif
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hf@genie.(none) committed
3852 3853 3854
  }

  if (init_server_components())
3855
    unireg_abort(1);
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3856

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3857 3858
  network_init();

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hf@genie.(none) committed
3859 3860 3861
#ifdef __WIN__
  if (!opt_console)
  {
3862 3863
    freopen(log_error_file,"a+",stdout);
    freopen(log_error_file,"a+",stderr);
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hf@genie.(none) committed
3864
    FreeConsole();				// Remove window
3865
  }
3866 3867 3868 3869 3870
  else
  {
    /* Don't show error dialog box when on foreground: it stops the server */ 
    SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
  }
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hf@genie.(none) committed
3871 3872
#endif

3873 3874 3875 3876 3877 3878
  /*
   Initialize my_str_malloc() and my_str_free()
  */
  my_str_malloc= &my_str_malloc_mysqld;
  my_str_free= &my_str_free_mysqld;

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3879 3880 3881 3882
  /*
    init signals & alarm
    After this we can't quit by a simple unireg_abort
  */
3883
  error_handler_hook= my_message_sql;
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hf@genie.(none) committed
3884
  start_signal_handler();				// Creates pidfile
3885

3886
  if (mysql_rm_tmp_tables() || acl_init(opt_noacl) ||
3887
      my_tz_init((THD *)0, default_tz_name, opt_bootstrap))
hf@genie.(none)'s avatar
hf@genie.(none) committed
3888 3889 3890
  {
    abort_loop=1;
    select_thread_in_use=0;
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3891 3892 3893
#ifndef __NETWARE__
    (void) pthread_kill(signal_thread, MYSQL_KILL_SIGNAL);
#endif /* __NETWARE__ */
3894

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hf@genie.(none) committed
3895 3896
    if (!opt_bootstrap)
      (void) my_delete(pidfile_name,MYF(MY_WME));	// Not needed anymore
3897

3898
    if (unix_sock != INVALID_SOCKET)
3899
      unlink(mysqld_unix_port);
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hf@genie.(none) committed
3900 3901 3902
    exit(1);
  }
  if (!opt_noacl)
3903
    (void) grant_init();
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3904

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patg@radha.tangent.org committed
3905 3906 3907
  if (!opt_bootstrap)
    servers_init(0);

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hf@genie.(none) committed
3908
  if (!opt_noacl)
3909 3910
  {
#ifdef HAVE_DLOPEN
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hf@genie.(none) committed
3911 3912
    udf_init();
#endif
3913
  }
3914

3915
  init_status_vars();
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monty@mashka.mysql.fi committed
3916 3917
  if (opt_bootstrap) /* If running with bootstrap, do not start replication. */
    opt_skip_slave_start= 1;
3918 3919 3920 3921 3922 3923 3924 3925 3926 3927
  /*
    init_slave() must be called after the thread keys are created.
    Some parts of the code (e.g. SHOW STATUS LIKE 'slave_running' and other
    places) assume that active_mi != 0, so let's fail if it's 0 (out of
    memory); a message has already been printed.
  */
  if (init_slave() && !active_mi)
  {
    unireg_abort(1);
  }
3928

hf@genie.(none)'s avatar
hf@genie.(none) committed
3929 3930
  if (opt_bootstrap)
  {
3931
    select_thread_in_use= 0;                    // Allow 'kill' to work
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Merge  
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3932 3933
    bootstrap(stdin);
    unireg_abort(bootstrap_error ? 1 : 0);
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3934 3935 3936 3937 3938 3939
  }
  if (opt_init_file)
  {
    if (read_init_file(opt_init_file))
      unireg_abort(1);
  }
3940
  execute_ddl_log_recovery();
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3941

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hf@genie.(none) committed
3942
  create_shutdown_thread();
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hf@genie.(none) committed
3943 3944
  create_maintenance_thread();

3945 3946 3947
  if (Events::init(opt_noacl))
    unireg_abort(1);

3948
  sql_print_information(ER(ER_STARTUP),my_progname,server_version,
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serg@serg.mylan committed
3949
                        ((unix_sock == INVALID_SOCKET) ? (char*) ""
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3950
                                                       : mysqld_unix_port),
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3951
                         mysqld_port,
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Merge  
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3952
                         MYSQL_COMPILATION_COMMENT);
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hf@genie.(none) committed
3953

3954 3955 3956 3957 3958 3959 3960

  /* Signal threads waiting for server to be started */
  pthread_mutex_lock(&LOCK_server_started);
  mysqld_server_started= 1;
  pthread_cond_signal(&COND_server_started);
  pthread_mutex_unlock(&LOCK_server_started);

3961 3962
#if defined(__NT__) || defined(HAVE_SMEM)
  handle_connections_methods();
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3963
#else
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3964
#ifdef __WIN__
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3965
  if (!have_tcpip || opt_disable_networking)
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3966
  {
miguel@hegel.txg.br's avatar
miguel@hegel.txg.br committed
3967
    sql_print_error("TCP/IP unavailable or disabled with --skip-networking; no available interfaces");
miguel@hegel.txg.br's avatar
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3968 3969 3970
    unireg_abort(1);
  }
#endif
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3971 3972 3973 3974
  handle_connections_sockets(0);
#endif /* __NT__ */

  /* (void) pthread_attr_destroy(&connection_attrib); */
3975
  
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3976 3977 3978
  DBUG_PRINT("quit",("Exiting main thread"));

#ifndef __WIN__
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3979
#ifdef EXTRA_DEBUG2
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3980 3981 3982
  sql_print_error("Before Lock_thread_count");
#endif
  (void) pthread_mutex_lock(&LOCK_thread_count);
3983
  DBUG_PRINT("quit", ("Got thread_count mutex"));
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3984 3985
  select_thread_in_use=0;			// For close_connections
  (void) pthread_mutex_unlock(&LOCK_thread_count);
3986
  (void) pthread_cond_broadcast(&COND_thread_count);
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3987
#ifdef EXTRA_DEBUG2
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3988 3989
  sql_print_error("After lock_thread_count");
#endif
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3990
#endif /* __WIN__ */
3991

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3992 3993 3994 3995 3996
  /* Wait until cleanup is done */
  (void) pthread_mutex_lock(&LOCK_thread_count);
  while (!ready_to_exit)
    pthread_cond_wait(&COND_thread_count,&LOCK_thread_count);
  (void) pthread_mutex_unlock(&LOCK_thread_count);
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merge  
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3997

3998
  release_ddl_log();
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merge  
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3999
#if defined(__WIN__) && !defined(EMBEDDED_LIBRARY)
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merge  
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4000 4001 4002 4003
  if (Service.IsNT() && start_mode)
    Service.Stop();
  else
  {
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monty@donna.mysql.fi committed
4004
    Service.SetShutdownEvent(0);
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merge  
monty@hundin.mysql.fi committed
4005 4006 4007
    if (hEventShutdown)
      CloseHandle(hEventShutdown);
  }
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4008
#endif
4009
  clean_up(1);
4010
  wait_for_signal_thread_to_end();
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monty@mashka.mysql.fi committed
4011
  clean_up_mutexes();
4012
  my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
4013

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bk@work.mysql.com committed
4014 4015 4016 4017
  exit(0);
  return(0);					/* purecov: deadcode */
}

4018
#endif /* EMBEDDED_LIBRARY */
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4019

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SCRUM  
hf@deer.mysql.r18.ru committed
4020

4021 4022 4023 4024 4025
/****************************************************************************
  Main and thread entry function for Win32
  (all this is needed only to run mysqld as a service on WinNT)
****************************************************************************/

4026
#if defined(__WIN__) && !defined(EMBEDDED_LIBRARY)
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bk@work.mysql.com committed
4027 4028
int mysql_service(void *p)
{
4029 4030 4031 4032
  if (use_opt_args)
    win_main(opt_argc, opt_argv);
  else
    win_main(Service.my_argc, Service.my_argv);
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4033 4034 4035
  return 0;
}

4036 4037 4038 4039 4040 4041 4042 4043

/* Quote string if it contains space, else copy */

static char *add_quoted_string(char *to, const char *from, char *to_end)
{
  uint length= (uint) (to_end-to);

  if (!strchr(from, ' '))
4044 4045
    return strmake(to, from, length-1);
  return strxnmov(to, length-1, "\"", from, "\"", NullS);
4046 4047 4048
}


4049 4050 4051 4052 4053
/*
  Handle basic handling of services, like installation and removal

  SYNOPSIS
    default_service_handling()
4054
    argv		Pointer to argument list
4055 4056 4057
    servicename		Internal name of service
    displayname		Display name of service (in taskbar ?)
    file_path		Path to this program
4058
    startup_option	Startup option to mysqld
4059 4060 4061 4062 4063 4064

  RETURN VALUES
    0		option handled
    1		Could not handle option
 */

4065 4066 4067 4068 4069
static bool
default_service_handling(char **argv,
			 const char *servicename,
			 const char *displayname,
			 const char *file_path,
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Merge  
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4070 4071
			 const char *extra_opt,
			 const char *account_name)
4072
{
4073
  char path_and_service[FN_REFLEN+FN_REFLEN+32], *pos, *end;
4074
  end= path_and_service + sizeof(path_and_service)-3;
4075 4076 4077 4078 4079 4080 4081 4082 4083

  /* We have to quote filename if it contains spaces */
  pos= add_quoted_string(path_and_service, file_path, end);
  if (*extra_opt)
  {
    /* Add (possible quoted) option after file_path */
    *pos++= ' ';
    pos= add_quoted_string(pos, extra_opt, end);
  }
4084 4085
  /* We must have servicename last */
  *pos++= ' ';
4086
  (void) add_quoted_string(pos, servicename, end);
4087

4088 4089
  if (Service.got_service_option(argv, "install"))
  {
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4090 4091
    Service.Install(1, servicename, displayname, path_and_service,
                    account_name);
4092 4093 4094 4095
    return 0;
  }
  if (Service.got_service_option(argv, "install-manual"))
  {
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4096 4097
    Service.Install(0, servicename, displayname, path_and_service,
                    account_name);
4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108
    return 0;
  }
  if (Service.got_service_option(argv, "remove"))
  {
    Service.Remove(servicename);
    return 0;
  }
  return 1;
}


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4109 4110
int main(int argc, char **argv)
{
4111 4112 4113 4114
  /*
    When several instances are running on the same machine, we
    need to have an  unique  named  hEventShudown  through the
    application PID e.g.: MySQLShutdown1890; MySQLShutdown2342
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4115
  */
4116
  int10_to_str((int) GetCurrentProcessId(),strmov(shutdown_event_name,
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4117 4118
                                                  "MySQLShutdown"), 10);

4119 4120 4121
  /* Must be initialized early for comparison of service name */
  system_charset_info= &my_charset_utf8_general_ci;

4122
  if (Service.GetOS())	/* true NT family */
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4123
  {
4124
    char file_path[FN_REFLEN];
4125
    my_path(file_path, argv[0], "");		      /* Find name in path */
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    fn_format(file_path,argv[0],file_path,"",
	      MY_REPLACE_DIR | MY_UNPACK_FILENAME | MY_RESOLVE_SYMLINKS);
4128

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4129
    if (argc == 2)
4130
    {
4131
      if (!default_service_handling(argv, MYSQL_SERVICENAME, MYSQL_SERVICENAME,
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4132
				   file_path, "", NULL))
4133
	return 0;
4134
      if (Service.IsService(argv[1]))        /* Start an optional service */
4135
      {
4136 4137 4138 4139 4140 4141
	/*
	  Only add the service name to the groups read from the config file
	  if it's not "MySQL". (The default service name should be 'mysqld'
	  but we started a bad tradition by calling it MySQL from the start
	  and we are now stuck with it.
	*/
4142
	if (my_strcasecmp(system_charset_info, argv[1],"mysql"))
4143
	  load_default_groups[load_default_groups_sz-2]= argv[1];
4144
        start_mode= 1;
4145
        Service.Init(argv[1], mysql_service);
4146 4147 4148 4149
        return 0;
      }
    }
    else if (argc == 3) /* install or remove any optional service */
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4150
    {
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4151 4152
      if (!default_service_handling(argv, argv[2], argv[2], file_path, "",
                                    NULL))
4153 4154
	return 0;
      if (Service.IsService(argv[2]))
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4155
      {
4156 4157 4158 4159
	/*
	  mysqld was started as
	  mysqld --defaults-file=my_path\my.ini service-name
	*/
4160
	use_opt_args=1;
4161
	opt_argc= 2;				// Skip service-name
4162 4163
	opt_argv=argv;
	start_mode= 1;
4164
	if (my_strcasecmp(system_charset_info, argv[2],"mysql"))
4165
	  load_default_groups[load_default_groups_sz-2]= argv[2];
4166
	Service.Init(argv[2], mysql_service);
4167
	return 0;
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4168 4169
      }
    }
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4170
    else if (argc == 4 || argc == 5)
4171 4172
    {
      /*
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4173 4174 4175 4176 4177
        This may seem strange, because we handle --local-service while
        preserving 4.1's behavior of allowing any one other argument that is
        passed to the service on startup. (The assumption is that this is
        --defaults-file=file, but that was not enforced in 4.1, so we don't
        enforce it here.)
4178
      */
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4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193
      const char *extra_opt= NullS;
      const char *account_name = NullS;
      int index;
      for (index = 3; index < argc; index++)
      {
        if (!strcmp(argv[index], "--local-service"))
          account_name= "NT AUTHORITY\\LocalService";
        else
          extra_opt= argv[index];
      }

      if (argc == 4 || account_name)
        if (!default_service_handling(argv, argv[2], argv[2], file_path,
                                      extra_opt, account_name))
          return 0;
4194
    }
4195
    else if (argc == 1 && Service.IsService(MYSQL_SERVICENAME))
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4196
    {
4197 4198 4199
      /* start the default service */
      start_mode= 1;
      Service.Init(MYSQL_SERVICENAME, mysql_service);
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4200 4201 4202
      return 0;
    }
  }
4203
  /* Start as standalone server */
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  Service.my_argc=argc;
  Service.my_argv=argv;
  mysql_service(NULL);
  return 0;
}
#endif


4212 4213 4214 4215
/*
  Execute all commands from a file. Used by the mysql_install_db script to
  create MySQL privilege tables without having to start a full MySQL server.
*/
4216

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4217
static void bootstrap(FILE *file)
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4218
{
4219
  DBUG_ENTER("bootstrap");
4220

4221
  THD *thd= new THD;
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4222
  thd->bootstrap=1;
4223
  my_net_init(&thd->net,(st_vio*) 0);
4224
  thd->max_client_packet_length= thd->net.max_packet;
4225
  thd->security_ctx->master_access= ~(ulong)0;
4226
  thd->thread_id= thd->variables.pseudo_thread_id= thread_id++;
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4227
  thread_count++;
4228 4229

  bootstrap_file=file;
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#ifndef EMBEDDED_LIBRARY			// TODO:  Enable this
4231 4232 4233
  if (pthread_create(&thd->real_id,&connection_attrib,handle_bootstrap,
		     (void*) thd))
  {
4234
    sql_print_warning("Can't create thread to handle bootstrap");
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4235 4236
    bootstrap_error=-1;
    DBUG_VOID_RETURN;
4237 4238 4239 4240 4241 4242 4243 4244 4245
  }
  /* Wait for thread to die */
  (void) pthread_mutex_lock(&LOCK_thread_count);
  while (thread_count)
  {
    (void) pthread_cond_wait(&COND_thread_count,&LOCK_thread_count);
    DBUG_PRINT("quit",("One thread died (count=%u)",thread_count));
  }
  (void) pthread_mutex_unlock(&LOCK_thread_count);
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4246 4247 4248 4249 4250
#else
  thd->mysql= 0;
  handle_bootstrap((void *)thd);
#endif

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4251
  DBUG_VOID_RETURN;
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}

4254

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4255 4256 4257 4258 4259 4260 4261
static bool read_init_file(char *file_name)
{
  FILE *file;
  DBUG_ENTER("read_init_file");
  DBUG_PRINT("enter",("name: %s",file_name));
  if (!(file=my_fopen(file_name,O_RDONLY,MYF(MY_WME))))
    return(1);
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4262
  bootstrap(file);
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  (void) my_fclose(file,MYF(MY_WME));
  return 0;
}


4268
#ifndef EMBEDDED_LIBRARY
4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304

/*
   Simple scheduler that use the main thread to handle the request

   NOTES
     This is only used for debugging, when starting mysqld with
     --thread-handling=no-threads or --one-thread

     When we enter this function, LOCK_thread_count is hold!
*/
   
void handle_connection_in_main_thread(THD *thd)
{
  safe_mutex_assert_owner(&LOCK_thread_count);
  thread_cache_size=0;			// Safety
  threads.append(thd);
  (void) pthread_mutex_unlock(&LOCK_thread_count);
  handle_one_connection((void*) thd);
}


/*
  Scheduler that uses one thread per connection
*/

void create_thread_to_handle_connection(THD *thd)
{
  if (cached_thread_count > wake_thread)
  {
    /* Get thread from cache */
    thread_cache.append(thd);
    wake_thread++;
    pthread_cond_signal(&COND_thread_cache);
  }
  else
  {
4305
    char error_message_buff[MYSQL_ERRMSG_SIZE];
4306 4307 4308 4309 4310
    /* Create new thread to handle connection */
    int error;
    thread_created++;
    threads.append(thd);
    DBUG_PRINT("info",(("creating thread %lu"), thd->thread_id));
4311
    thd->connect_utime= thd->start_utime= my_micro_time();
4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323
    if ((error=pthread_create(&thd->real_id,&connection_attrib,
                              handle_one_connection,
                              (void*) thd)))
    {
      /* purify: begin inspected */
      DBUG_PRINT("error",
                 ("Can't create thread to handle request (error %d)",
                  error));
      thread_count--;
      thd->killed= THD::KILL_CONNECTION;			// Safety
      (void) pthread_mutex_unlock(&LOCK_thread_count);
      statistic_increment(aborted_connects,&LOCK_status);
4324 4325 4326 4327
      /* Can't use my_error() since store_globals has not been called. */
      my_snprintf(error_message_buff, sizeof(error_message_buff),
                  ER(ER_CANT_CREATE_THREAD), error);
      net_send_error(thd, ER_CANT_CREATE_THREAD, error_message_buff);
4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340
      (void) pthread_mutex_lock(&LOCK_thread_count);
      close_connection(thd,0,0);
      delete thd;
      (void) pthread_mutex_unlock(&LOCK_thread_count);
      return;
      /* purecov: end */
    }
  }
  (void) pthread_mutex_unlock(&LOCK_thread_count);
  DBUG_PRINT("info",("Thread created"));
}


4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359
/*
  Create new thread to handle incoming connection.

  SYNOPSIS
    create_new_thread()
      thd in/out    Thread handle of future thread.

  DESCRIPTION
    This function will create new thread to handle the incoming
    connection.  If there are idle cached threads one will be used.
    'thd' will be pushed into 'threads'.

    In single-threaded mode (#define ONE_THREAD) connection will be
    handled inside this function.

  RETURN VALUE
    none
*/

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static void create_new_thread(THD *thd)
{
4362
  NET *net=&thd->net;
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  DBUG_ENTER("create_new_thread");

  if (protocol_version > 9)
    net->return_errno=1;

  /* don't allow too many connections */
  if (thread_count - delayed_insert_threads >= max_connections+1 || abort_loop)
  {
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4371
    DBUG_PRINT("error",("Too many connections"));
4372
    close_connection(thd, ER_CON_COUNT_ERROR, 1);
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4373 4374 4375
    delete thd;
    DBUG_VOID_RETURN;
  }
4376
  pthread_mutex_lock(&LOCK_thread_count);
4377 4378 4379 4380 4381
  /*
    The initialization of thread_id is done in create_embedded_thd() for
    the embedded library.
    TODO: refactor this to avoid code duplication there
  */
4382
  thd->thread_id= thd->variables.pseudo_thread_id= thread_id++;
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4383 4384

  /* Start a new thread to handle connection */
4385 4386
  thread_count++;

4387 4388
  if (thread_count - delayed_insert_threads > max_used_connections)
    max_used_connections= thread_count - delayed_insert_threads;
4389

4390
  thread_scheduler.add_connection(thd);
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4391 4392
  DBUG_VOID_RETURN;
}
4393 4394
#endif /* EMBEDDED_LIBRARY */

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4395

4396 4397 4398 4399
#ifdef SIGNALS_DONT_BREAK_READ
inline void kill_broken_server()
{
  /* hack to get around signals ignored in syscalls for problem OS's */
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4400 4401 4402 4403
  if (
#if !defined(__NETWARE__)
      unix_sock == INVALID_SOCKET ||
#endif
4404
      (!opt_disable_networking && ip_sock == INVALID_SOCKET))
4405 4406
  {
    select_thread_in_use = 0;
4407 4408
    /* The following call will never return */
    kill_server(IF_NETWARE(MYSQL_KILL_SIGNAL, (void*) MYSQL_KILL_SIGNAL));
4409 4410 4411 4412 4413 4414
  }
}
#define MAYBE_BROKEN_SYSCALL kill_broken_server();
#else
#define MAYBE_BROKEN_SYSCALL
#endif
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4415 4416 4417

	/* Handle new connections and spawn new process to handle them */

4418
#ifndef EMBEDDED_LIBRARY
4419
pthread_handler_t handle_connections_sockets(void *arg __attribute__((unused)))
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4420 4421 4422 4423 4424 4425 4426 4427
{
  my_socket sock,new_sock;
  uint error_count=0;
  uint max_used_connection= (uint) (max(ip_sock,unix_sock)+1);
  fd_set readFDs,clientFDs;
  THD *thd;
  struct sockaddr_in cAddr;
  int ip_flags=0,socket_flags=0,flags;
4428
  st_vio *vio_tmp;
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  DBUG_ENTER("handle_connections_sockets");

  LINT_INIT(new_sock);

  (void) my_pthread_getprio(pthread_self());		// For debugging

  FD_ZERO(&clientFDs);
  if (ip_sock != INVALID_SOCKET)
  {
    FD_SET(ip_sock,&clientFDs);
#ifdef HAVE_FCNTL
    ip_flags = fcntl(ip_sock, F_GETFL, 0);
#endif
  }
#ifdef HAVE_SYS_UN_H
  FD_SET(unix_sock,&clientFDs);
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4445
#ifdef HAVE_FCNTL
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4446
  socket_flags=fcntl(unix_sock, F_GETFL, 0);
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#endif
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#endif

  DBUG_PRINT("general",("Waiting for connections."));
4451
  MAYBE_BROKEN_SYSCALL;
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4452 4453 4454
  while (!abort_loop)
  {
    readFDs=clientFDs;
4455
#ifdef HPUX10
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4456 4457 4458 4459 4460
    if (select(max_used_connection,(int*) &readFDs,0,0,0) < 0)
      continue;
#else
    if (select((int) max_used_connection,&readFDs,0,0,0) < 0)
    {
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4461
      if (socket_errno != SOCKET_EINTR)
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4462 4463
      {
	if (!select_errors++ && !abort_loop)	/* purecov: inspected */
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4464
	  sql_print_error("mysqld: Got error %d from select",socket_errno); /* purecov: inspected */
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4465
      }
4466
      MAYBE_BROKEN_SYSCALL
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4467 4468
      continue;
    }
4469
#endif	/* HPUX10 */
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4470
    if (abort_loop)
4471 4472
    {
      MAYBE_BROKEN_SYSCALL;
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4473
      break;
4474
    }
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4475

4476
    /* Is this a new connection request ? */
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#ifdef HAVE_SYS_UN_H
    if (FD_ISSET(unix_sock,&readFDs))
    {
      sock = unix_sock;
      flags= socket_flags;
    }
    else
#endif
    {
      sock = ip_sock;
      flags= ip_flags;
    }

#if !defined(NO_FCNTL_NONBLOCK)
    if (!(test_flags & TEST_BLOCKING))
    {
#if defined(O_NONBLOCK)
      fcntl(sock, F_SETFL, flags | O_NONBLOCK);
#elif defined(O_NDELAY)
      fcntl(sock, F_SETFL, flags | O_NDELAY);
#endif
    }
#endif /* NO_FCNTL_NONBLOCK */
    for (uint retry=0; retry < MAX_ACCEPT_RETRY; retry++)
    {
      size_socket length=sizeof(struct sockaddr_in);
      new_sock = accept(sock, my_reinterpret_cast(struct sockaddr *) (&cAddr),
			&length);
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#ifdef __NETWARE__ 
      // TODO: temporary fix, waiting for TCP/IP fix - DEFECT000303149
      if ((new_sock == INVALID_SOCKET) && (socket_errno == EINVAL))
      {
        kill_server(SIGTERM);
      }
#endif
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      if (new_sock != INVALID_SOCKET ||
	  (socket_errno != SOCKET_EINTR && socket_errno != SOCKET_EAGAIN))
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4514
	break;
4515
      MAYBE_BROKEN_SYSCALL;
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#if !defined(NO_FCNTL_NONBLOCK)
      if (!(test_flags & TEST_BLOCKING))
      {
	if (retry == MAX_ACCEPT_RETRY - 1)
	  fcntl(sock, F_SETFL, flags);		// Try without O_NONBLOCK
      }
#endif
    }
#if !defined(NO_FCNTL_NONBLOCK)
    if (!(test_flags & TEST_BLOCKING))
      fcntl(sock, F_SETFL, flags);
#endif
4528
    if (new_sock == INVALID_SOCKET)
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4529 4530 4531
    {
      if ((error_count++ & 255) == 0)		// This can happen often
	sql_perror("Error in accept");
4532
      MAYBE_BROKEN_SYSCALL;
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4533
      if (socket_errno == SOCKET_ENFILE || socket_errno == SOCKET_EMFILE)
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	sleep(1);				// Give other threads some time
      continue;
    }

#ifdef HAVE_LIBWRAP
    {
      if (sock == ip_sock)
      {
	struct request_info req;
	signal(SIGCHLD, SIG_DFL);
	request_init(&req, RQ_DAEMON, libwrapName, RQ_FILE, new_sock, NULL);
4545 4546
	my_fromhost(&req);
	if (!my_hosts_access(&req))
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	{
4548 4549 4550 4551 4552
	  /*
	    This may be stupid but refuse() includes an exit(0)
	    which we surely don't want...
	    clean_exit() - same stupid thing ...
	  */
4553
	  syslog(deny_severity, "refused connect from %s",
4554
		 my_eval_client(&req));
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4555

4556 4557 4558 4559 4560 4561
	  /*
	    C++ sucks (the gibberish in front just translates the supplied
	    sink function pointer in the req structure from a void (*sink)();
	    to a void(*sink)(int) if you omit the cast, the C++ compiler
	    will cry...
	  */
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4562 4563 4564
	  if (req.sink)
	    ((void (*)(int))req.sink)(req.fd);

4565
	  (void) shutdown(new_sock, SHUT_RDWR);
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	  (void) closesocket(new_sock);
	  continue;
	}
      }
    }
#endif /* HAVE_LIBWRAP */

    {
      size_socket dummyLen;
      struct sockaddr dummy;
      dummyLen = sizeof(struct sockaddr);
      if (getsockname(new_sock,&dummy, &dummyLen) < 0)
      {
	sql_perror("Error on new connection socket");
4580
	(void) shutdown(new_sock, SHUT_RDWR);
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	(void) closesocket(new_sock);
	continue;
      }
    }

    /*
    ** Don't allow too many connections
    */

    if (!(thd= new THD))
    {
4592
      (void) shutdown(new_sock, SHUT_RDWR);
4593
      VOID(closesocket(new_sock));
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4594 4595 4596
      continue;
    }
    if (!(vio_tmp=vio_new(new_sock,
4597
			  sock == unix_sock ? VIO_TYPE_SOCKET :
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4598
			  VIO_TYPE_TCPIP,
4599
			  sock == unix_sock ? VIO_LOCALHOST: 0)) ||
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4600 4601 4602 4603 4604 4605
	my_net_init(&thd->net,vio_tmp))
    {
      if (vio_tmp)
	vio_delete(vio_tmp);
      else
      {
4606
	(void) shutdown(new_sock, SHUT_RDWR);
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4607 4608 4609 4610 4611 4612
	(void) closesocket(new_sock);
      }
      delete thd;
      continue;
    }
    if (sock == unix_sock)
4613
      thd->security_ctx->host=(char*) my_localhost;
4614

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bk@work.mysql.com committed
4615 4616 4617
    create_new_thread(thd);
  }

4618
  decrement_handler_count();
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4619 4620 4621 4622 4623
  DBUG_RETURN(0);
}


#ifdef __NT__
4624
pthread_handler_t handle_connections_namedpipes(void *arg)
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bk@work.mysql.com committed
4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636
{
  HANDLE hConnectedPipe;
  BOOL fConnected;
  THD *thd;
  my_thread_init();
  DBUG_ENTER("handle_connections_namedpipes");
  (void) my_pthread_getprio(pthread_self());		// For debugging

  DBUG_PRINT("general",("Waiting for named pipe connections."));
  while (!abort_loop)
  {
    /* wait for named pipe connection */
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Merge  
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4637
    fConnected = ConnectNamedPipe(hPipe, NULL);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
4638 4639
    if (abort_loop)
      break;
4640
    if (!fConnected)
bk@work.mysql.com's avatar
bk@work.mysql.com committed
4641
      fConnected = GetLastError() == ERROR_PIPE_CONNECTED;
4642
    if (!fConnected)
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4643
    {
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4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657
      CloseHandle(hPipe);
      if ((hPipe= CreateNamedPipe(pipe_name,
                                  PIPE_ACCESS_DUPLEX,
                                  PIPE_TYPE_BYTE |
                                  PIPE_READMODE_BYTE |
                                  PIPE_WAIT,
                                  PIPE_UNLIMITED_INSTANCES,
                                  (int) global_system_variables.
                                  net_buffer_length,
                                  (int) global_system_variables.
                                  net_buffer_length,
                                  NMPWAIT_USE_DEFAULT_WAIT,
                                  &saPipeSecurity)) ==
	  INVALID_HANDLE_VALUE)
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4658 4659 4660 4661 4662 4663 4664
      {
	sql_perror("Can't create new named pipe!");
	break;					// Abort
      }
    }
    hConnectedPipe = hPipe;
    /* create new pipe for new connection */
4665
    if ((hPipe = CreateNamedPipe(pipe_name,
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4666 4667 4668 4669 4670
				 PIPE_ACCESS_DUPLEX,
				 PIPE_TYPE_BYTE |
				 PIPE_READMODE_BYTE |
				 PIPE_WAIT,
				 PIPE_UNLIMITED_INSTANCES,
4671 4672
				 (int) global_system_variables.net_buffer_length,
				 (int) global_system_variables.net_buffer_length,
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4673 4674 4675 4676 4677 4678 4679 4680 4681
				 NMPWAIT_USE_DEFAULT_WAIT,
				 &saPipeSecurity)) ==
	INVALID_HANDLE_VALUE)
    {
      sql_perror("Can't create new named pipe!");
      hPipe=hConnectedPipe;
      continue;					// We have to try again
    }

4682
    if (!(thd = new THD))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
4683
    {
ingo@mysql.com's avatar
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ingo@mysql.com committed
4684 4685
      DisconnectNamedPipe(hConnectedPipe);
      CloseHandle(hConnectedPipe);
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bk@work.mysql.com committed
4686 4687 4688 4689 4690
      continue;
    }
    if (!(thd->net.vio = vio_new_win32pipe(hConnectedPipe)) ||
	my_net_init(&thd->net, thd->net.vio))
    {
4691
      close_connection(thd, ER_OUT_OF_RESOURCES, 1);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
4692 4693 4694
      delete thd;
      continue;
    }
4695 4696
    /* Host is unknown */
    thd->security_ctx->host= my_strdup(my_localhost, MYF(0));
bk@work.mysql.com's avatar
bk@work.mysql.com committed
4697 4698 4699
    create_new_thread(thd);
  }

4700
  decrement_handler_count();
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bk@work.mysql.com committed
4701 4702 4703 4704
  DBUG_RETURN(0);
}
#endif /* __NT__ */

4705

4706
/*
4707 4708 4709
  Thread of shared memory's service

  SYNOPSIS
4710
    handle_connections_shared_memory()
4711 4712
    arg                              Arguments of thread
*/
4713

4714
#ifdef HAVE_SMEM
4715
pthread_handler_t handle_connections_shared_memory(void *arg)
4716
{
4717 4718
  /* file-mapping object, use for create shared memory */
  HANDLE handle_connect_file_map= 0;
4719
  char  *handle_connect_map= 0;                 // pointer on shared memory
4720 4721 4722
  HANDLE event_connect_answer= 0;
  ulong smem_buffer_length= shared_memory_buffer_length + 4;
  ulong connect_number= 1;
4723
  char *tmp= NULL;
4724 4725
  char *suffix_pos;
  char connect_number_char[22], *p;
4726
  const char *errmsg= 0;
4727
  SECURITY_ATTRIBUTES *sa_event= 0, *sa_mapping= 0;
4728 4729 4730 4731
  my_thread_init();
  DBUG_ENTER("handle_connections_shared_memorys");
  DBUG_PRINT("general",("Waiting for allocated shared memory."));

4732 4733 4734 4735 4736 4737
  /*
     get enough space base-name + '_' + longest suffix we might ever send
   */
  if (!(tmp= (char *)my_malloc(strlen(shared_memory_base_name) + 32L, MYF(MY_FAE))))
    goto error;

4738 4739 4740 4741 4742 4743 4744 4745
  if (my_security_attr_create(&sa_event, &errmsg,
                              GENERIC_ALL, SYNCHRONIZE | EVENT_MODIFY_STATE))
    goto error;

  if (my_security_attr_create(&sa_mapping, &errmsg,
                             GENERIC_ALL, FILE_MAP_READ | FILE_MAP_WRITE))
    goto error;

4746 4747 4748 4749 4750 4751 4752
  /*
    The name of event and file-mapping events create agree next rule:
      shared_memory_base_name+unique_part
    Where:
      shared_memory_base_name is unique value for each server
      unique_part is unique value for each object (events and file-mapping)
  */
4753
  suffix_pos= strxmov(tmp,shared_memory_base_name,"_",NullS);
4754
  strmov(suffix_pos, "CONNECT_REQUEST");
4755 4756
  if ((smem_event_connect_request= CreateEvent(sa_event,
                                               FALSE, FALSE, tmp)) == 0)
4757
  {
4758
    errmsg= "Could not create request event";
4759 4760
    goto error;
  }
4761
  strmov(suffix_pos, "CONNECT_ANSWER");
4762
  if ((event_connect_answer= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
4763
  {
4764
    errmsg="Could not create answer event";
4765 4766
    goto error;
  }
4767
  strmov(suffix_pos, "CONNECT_DATA");
4768 4769 4770
  if ((handle_connect_file_map=
       CreateFileMapping(INVALID_HANDLE_VALUE, sa_mapping,
                         PAGE_READWRITE, 0, sizeof(connect_number), tmp)) == 0)
4771
  {
4772
    errmsg= "Could not create file mapping";
4773 4774
    goto error;
  }
4775 4776 4777
  if ((handle_connect_map= (char *)MapViewOfFile(handle_connect_file_map,
						  FILE_MAP_WRITE,0,0,
						  sizeof(DWORD))) == 0)
4778
  {
4779
    errmsg= "Could not create shared memory service";
4780 4781 4782 4783 4784
    goto error;
  }

  while (!abort_loop)
  {
4785
    /* Wait a request from client */
4786
    WaitForSingleObject(smem_event_connect_request,INFINITE);
4787

wax@kishkin.ru's avatar
wax@kishkin.ru committed
4788 4789 4790
    /*
       it can be after shutdown command
    */
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Merge  
ingo@mysql.com committed
4791
    if (abort_loop)
wax@kishkin.ru's avatar
wax@kishkin.ru committed
4792
      goto error;
4793

4794 4795 4796 4797 4798 4799
    HANDLE handle_client_file_map= 0;
    char  *handle_client_map= 0;
    HANDLE event_client_wrote= 0;
    HANDLE event_client_read= 0;    // for transfer data server <-> client
    HANDLE event_server_wrote= 0;
    HANDLE event_server_read= 0;
wax@kishkin.ru's avatar
wax@kishkin.ru committed
4800
    HANDLE event_conn_closed= 0;
4801
    THD *thd= 0;
4802

4803
    p= int10_to_str(connect_number, connect_number_char, 10);
4804 4805 4806 4807 4808 4809 4810 4811 4812 4813
    /*
      The name of event and file-mapping events create agree next rule:
        shared_memory_base_name+unique_part+number_of_connection
        Where:
	  shared_memory_base_name is uniquel value for each server
	  unique_part is unique value for each object (events and file-mapping)
	  number_of_connection is connection-number between server and client
    */
    suffix_pos= strxmov(tmp,shared_memory_base_name,"_",connect_number_char,
			 "_",NullS);
4814
    strmov(suffix_pos, "DATA");
4815 4816 4817
    if ((handle_client_file_map=
         CreateFileMapping(INVALID_HANDLE_VALUE, sa_mapping,
                           PAGE_READWRITE, 0, smem_buffer_length, tmp)) == 0)
4818
    {
4819
      errmsg= "Could not create file mapping";
4820 4821
      goto errorconn;
    }
4822 4823 4824
    if ((handle_client_map= (char*)MapViewOfFile(handle_client_file_map,
						  FILE_MAP_WRITE,0,0,
						  smem_buffer_length)) == 0)
4825
    {
4826
      errmsg= "Could not create memory map";
4827 4828 4829
      goto errorconn;
    }
    strmov(suffix_pos, "CLIENT_WROTE");
4830
    if ((event_client_wrote= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
4831
    {
4832
      errmsg= "Could not create client write event";
4833 4834 4835
      goto errorconn;
    }
    strmov(suffix_pos, "CLIENT_READ");
4836
    if ((event_client_read= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
4837
    {
4838
      errmsg= "Could not create client read event";
4839 4840 4841
      goto errorconn;
    }
    strmov(suffix_pos, "SERVER_READ");
4842
    if ((event_server_read= CreateEvent(sa_event, FALSE, FALSE, tmp)) == 0)
4843
    {
4844
      errmsg= "Could not create server read event";
4845 4846 4847
      goto errorconn;
    }
    strmov(suffix_pos, "SERVER_WROTE");
4848 4849
    if ((event_server_wrote= CreateEvent(sa_event,
                                         FALSE, FALSE, tmp)) == 0)
4850
    {
4851
      errmsg= "Could not create server write event";
4852 4853
      goto errorconn;
    }
wax@kishkin.ru's avatar
wax@kishkin.ru committed
4854
    strmov(suffix_pos, "CONNECTION_CLOSED");
4855 4856
    if ((event_conn_closed= CreateEvent(sa_event,
                                        TRUE, FALSE, tmp)) == 0)
wax@kishkin.ru's avatar
wax@kishkin.ru committed
4857 4858 4859 4860
    {
      errmsg= "Could not create closed connection event";
      goto errorconn;
    }
4861
    if (abort_loop)
4862
      goto errorconn;
4863 4864 4865
    if (!(thd= new THD))
      goto errorconn;
    /* Send number of connection to client */
4866
    int4store(handle_connect_map, connect_number);
4867
    if (!SetEvent(event_connect_answer))
4868
    {
4869
      errmsg= "Could not send answer event";
4870 4871
      goto errorconn;
    }
4872
    /* Set event that client should receive data */
4873 4874
    if (!SetEvent(event_client_read))
    {
4875
      errmsg= "Could not set client to read mode";
4876 4877
      goto errorconn;
    }
4878
    if (!(thd->net.vio= vio_new_win32shared_memory(&thd->net,
wax@kishkin.ru's avatar
wax@kishkin.ru committed
4879 4880 4881 4882 4883 4884
                                                   handle_client_file_map,
                                                   handle_client_map,
                                                   event_client_wrote,
                                                   event_client_read,
                                                   event_server_wrote,
                                                   event_server_read,
wax@kishkin.ru's avatar
wax@kishkin.ru committed
4885
                                                   event_conn_closed)) ||
wax@kishkin.ru's avatar
wax@kishkin.ru committed
4886
                        my_net_init(&thd->net, thd->net.vio))
4887
    {
4888
      close_connection(thd, ER_OUT_OF_RESOURCES, 1);
4889 4890
      errmsg= 0;
      goto errorconn;
4891
    }
4892
    thd->security_ctx->host= my_strdup(my_localhost, MYF(0)); /* Host is unknown */
4893
    create_new_thread(thd);
4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905
    connect_number++;
    continue;

errorconn:
    /* Could not form connection;  Free used handlers/memort and retry */
    if (errmsg)
    {
      char buff[180];
      strxmov(buff, "Can't create shared memory connection: ", errmsg, ".",
	      NullS);
      sql_perror(buff);
    }
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4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919
    if (handle_client_file_map) 
      CloseHandle(handle_client_file_map);
    if (handle_client_map)
      UnmapViewOfFile(handle_client_map);
    if (event_server_wrote)
      CloseHandle(event_server_wrote);
    if (event_server_read)
      CloseHandle(event_server_read);
    if (event_client_wrote)
      CloseHandle(event_client_wrote);
    if (event_client_read)
      CloseHandle(event_client_read);
    if (event_conn_closed)
      CloseHandle(event_conn_closed);
4920
    delete thd;
4921
  }
4922 4923

  /* End shared memory handling */
4924
error:
4925 4926 4927
  if (tmp)
    my_free(tmp, MYF(0));

4928 4929 4930 4931 4932 4933
  if (errmsg)
  {
    char buff[180];
    strxmov(buff, "Can't create shared memory service: ", errmsg, ".", NullS);
    sql_perror(buff);
  }
4934 4935
  my_security_attr_free(sa_event);
  my_security_attr_free(sa_mapping);
4936 4937 4938
  if (handle_connect_map)	UnmapViewOfFile(handle_connect_map);
  if (handle_connect_file_map)	CloseHandle(handle_connect_file_map);
  if (event_connect_answer)	CloseHandle(event_connect_answer);
4939
  if (smem_event_connect_request) CloseHandle(smem_event_connect_request);
4940 4941

  decrement_handler_count();
4942 4943 4944
  DBUG_RETURN(0);
}
#endif /* HAVE_SMEM */
4945
#endif /* EMBEDDED_LIBRARY */
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bk@work.mysql.com committed
4946

4947 4948 4949

/****************************************************************************
  Handle start options
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4950 4951
******************************************************************************/

monty@mashka.mysql.fi's avatar
monty@mashka.mysql.fi committed
4952
enum options_mysqld
4953
{
4954 4955 4956
  OPT_ISAM_LOG=256,            OPT_SKIP_NEW, 
  OPT_SKIP_GRANT,              OPT_SKIP_LOCK, 
  OPT_ENABLE_LOCK,             OPT_USE_LOCKING,
4957 4958
  OPT_SOCKET,                  OPT_UPDATE_LOG,
  OPT_BIN_LOG,                 OPT_SKIP_RESOLVE,
4959 4960
  OPT_SKIP_NETWORKING,         OPT_BIN_LOG_INDEX,
  OPT_BIND_ADDRESS,            OPT_PID_FILE,
4961
  OPT_SKIP_PRIOR,              OPT_BIG_TABLES,
4962 4963
  OPT_STANDALONE,              OPT_ONE_THREAD,
  OPT_CONSOLE,                 OPT_LOW_PRIORITY_UPDATES,
4964
  OPT_SKIP_HOST_CACHE,         OPT_SHORT_LOG_FORMAT,
4965
  OPT_FLUSH,                   OPT_SAFE,
4966
  OPT_BOOTSTRAP,               OPT_SKIP_SHOW_DB,
4967
  OPT_STORAGE_ENGINE,          OPT_INIT_FILE,
4968
  OPT_DELAY_KEY_WRITE_ALL,     OPT_SLOW_QUERY_LOG,
4969
  OPT_DELAY_KEY_WRITE,	       OPT_CHARSETS_DIR,
4970 4971 4972
  OPT_MASTER_HOST,             OPT_MASTER_USER,
  OPT_MASTER_PASSWORD,         OPT_MASTER_PORT,
  OPT_MASTER_INFO_FILE,        OPT_MASTER_CONNECT_RETRY,
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Merge  
ingo@mysql.com committed
4973
  OPT_MASTER_RETRY_COUNT,      OPT_LOG_TC, OPT_LOG_TC_SIZE,
4974 4975
  OPT_MASTER_SSL,              OPT_MASTER_SSL_KEY,
  OPT_MASTER_SSL_CERT,         OPT_MASTER_SSL_CAPATH,
4976
  OPT_MASTER_SSL_CIPHER,       OPT_MASTER_SSL_CA,
4977
  OPT_SQL_BIN_UPDATE_SAME,     OPT_REPLICATE_DO_DB,
4978 4979
  OPT_REPLICATE_IGNORE_DB,     OPT_LOG_SLAVE_UPDATES,
  OPT_BINLOG_DO_DB,            OPT_BINLOG_IGNORE_DB,
4980 4981 4982 4983 4984
  OPT_BINLOG_FORMAT,
#ifndef DBUG_OFF
  OPT_BINLOG_SHOW_XID,
#endif
  OPT_BINLOG_ROWS_EVENT_MAX_SIZE, 
4985 4986
  OPT_WANT_CORE,               OPT_CONCURRENT_INSERT,
  OPT_MEMLOCK,                 OPT_MYISAM_RECOVER,
4987
  OPT_REPLICATE_REWRITE_DB,    OPT_SERVER_ID,
antony@ppcg5.local's avatar
antony@ppcg5.local committed
4988
  OPT_SKIP_SLAVE_START,        OPT_SAFE_SHOW_DB, 
4989 4990
  OPT_SAFEMALLOC_MEM_LIMIT,    OPT_REPLICATE_DO_TABLE,
  OPT_REPLICATE_IGNORE_TABLE,  OPT_REPLICATE_WILD_DO_TABLE,
4991
  OPT_REPLICATE_WILD_IGNORE_TABLE, OPT_REPLICATE_SAME_SERVER_ID,
ingo@mysql.com's avatar
Merge  
ingo@mysql.com committed
4992
  OPT_DISCONNECT_SLAVE_EVENT_COUNT, OPT_TC_HEURISTIC_RECOVER,
4993
  OPT_ABORT_SLAVE_EVENT_COUNT,
4994
  OPT_LOG_BIN_TRUST_FUNCTION_CREATORS,
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antony@ppcg5.local committed
4995
  OPT_ENGINE_CONDITION_PUSHDOWN, OPT_NDB_CONNECTSTRING, 
4996
  OPT_NDB_USE_EXACT_COUNT, OPT_NDB_USE_TRANSACTIONS,
4997
  OPT_NDB_FORCE_SEND, OPT_NDB_AUTOINCREMENT_PREFETCH_SZ,
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Merge  
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4998 4999
  OPT_NDB_SHM, OPT_NDB_OPTIMIZED_NODE_SELECTION, OPT_NDB_CACHE_CHECK_TIME,
  OPT_NDB_MGMD, OPT_NDB_NODEID,
5000
  OPT_NDB_DISTRIBUTION,
5001
  OPT_NDB_INDEX_STAT_ENABLE,
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5002 5003 5004
  OPT_NDB_EXTRA_LOGGING,
  OPT_NDB_REPORT_THRESH_BINLOG_EPOCH_SLIP,
  OPT_NDB_REPORT_THRESH_BINLOG_MEM_USAGE,
5005
  OPT_NDB_USE_COPYING_ALTER_TABLE,
5006
  OPT_SKIP_SAFEMALLOC,
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Merge  
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5007
  OPT_TEMP_POOL, OPT_TX_ISOLATION, OPT_COMPLETION_TYPE,
5008 5009 5010 5011
  OPT_SKIP_STACK_TRACE, OPT_SKIP_SYMLINKS,
  OPT_MAX_BINLOG_DUMP_EVENTS, OPT_SPORADIC_BINLOG_DUMP_FAIL,
  OPT_SAFE_USER_CREATE, OPT_SQL_MODE,
  OPT_HAVE_NAMED_PIPE,
5012
  OPT_DO_PSTACK, OPT_EVENT_SCHEDULER, OPT_REPORT_HOST,
5013
  OPT_REPORT_USER, OPT_REPORT_PASSWORD, OPT_REPORT_PORT,
5014
  OPT_SHOW_SLAVE_AUTH_INFO,
5015 5016 5017 5018 5019 5020 5021 5022 5023
  OPT_SLAVE_LOAD_TMPDIR, OPT_NO_MIX_TYPE,
  OPT_RPL_RECOVERY_RANK,OPT_INIT_RPL_ROLE,
  OPT_RELAY_LOG, OPT_RELAY_LOG_INDEX, OPT_RELAY_LOG_INFO_FILE,
  OPT_SLAVE_SKIP_ERRORS, OPT_DES_KEY_FILE, OPT_LOCAL_INFILE,
  OPT_SSL_SSL, OPT_SSL_KEY, OPT_SSL_CERT, OPT_SSL_CA,
  OPT_SSL_CAPATH, OPT_SSL_CIPHER,
  OPT_BACK_LOG, OPT_BINLOG_CACHE_SIZE,
  OPT_CONNECT_TIMEOUT, OPT_DELAYED_INSERT_TIMEOUT,
  OPT_DELAYED_INSERT_LIMIT, OPT_DELAYED_QUEUE_SIZE,
5024
  OPT_FLUSH_TIME, OPT_FT_MIN_WORD_LEN, OPT_FT_BOOLEAN_SYNTAX,
5025
  OPT_FT_MAX_WORD_LEN, OPT_FT_QUERY_EXPANSION_LIMIT, OPT_FT_STOPWORD_FILE,
5026
  OPT_INTERACTIVE_TIMEOUT, OPT_JOIN_BUFF_SIZE,
5027 5028 5029
  OPT_KEY_BUFFER_SIZE, OPT_KEY_CACHE_BLOCK_SIZE,
  OPT_KEY_CACHE_DIVISION_LIMIT, OPT_KEY_CACHE_AGE_THRESHOLD,
  OPT_LONG_QUERY_TIME,
5030 5031 5032 5033
  OPT_LOWER_CASE_TABLE_NAMES, OPT_MAX_ALLOWED_PACKET,
  OPT_MAX_BINLOG_CACHE_SIZE, OPT_MAX_BINLOG_SIZE,
  OPT_MAX_CONNECTIONS, OPT_MAX_CONNECT_ERRORS,
  OPT_MAX_DELAYED_THREADS, OPT_MAX_HEP_TABLE_SIZE,
5034 5035
  OPT_MAX_JOIN_SIZE, OPT_MAX_PREPARED_STMT_COUNT,
  OPT_MAX_RELAY_LOG_SIZE, OPT_MAX_SORT_LENGTH,
5036
  OPT_MAX_SEEKS_FOR_KEY, OPT_MAX_TMP_TABLES, OPT_MAX_USER_CONNECTIONS,
monty@mashka.mysql.fi's avatar
monty@mashka.mysql.fi committed
5037
  OPT_MAX_LENGTH_FOR_SORT_DATA,
5038
  OPT_MAX_WRITE_LOCK_COUNT, OPT_BULK_INSERT_BUFFER_SIZE,
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Merge  
ingo@mysql.com committed
5039
  OPT_MAX_ERROR_COUNT, OPT_MULTI_RANGE_COUNT, OPT_MYISAM_DATA_POINTER_SIZE,
5040 5041
  OPT_MYISAM_BLOCK_SIZE, OPT_MYISAM_MAX_EXTRA_SORT_FILE_SIZE,
  OPT_MYISAM_MAX_SORT_FILE_SIZE, OPT_MYISAM_SORT_BUFFER_SIZE,
vtkachenko@quadxeon.mysql.com's avatar
vtkachenko@quadxeon.mysql.com committed
5042
  OPT_MYISAM_USE_MMAP,
5043
  OPT_MYISAM_STATS_METHOD,
5044 5045
  OPT_NET_BUFFER_LENGTH, OPT_NET_RETRY_COUNT,
  OPT_NET_READ_TIMEOUT, OPT_NET_WRITE_TIMEOUT,
5046
  OPT_OPEN_FILES_LIMIT,
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5047
  OPT_PRELOAD_BUFFER_SIZE,
5048
  OPT_QUERY_CACHE_LIMIT, OPT_QUERY_CACHE_MIN_RES_UNIT, OPT_QUERY_CACHE_SIZE,
5049
  OPT_QUERY_CACHE_TYPE, OPT_QUERY_CACHE_WLOCK_INVALIDATE, OPT_RECORD_BUFFER,
5050 5051
  OPT_RECORD_RND_BUFFER, OPT_DIV_PRECINCREMENT, OPT_RELAY_LOG_SPACE_LIMIT,
  OPT_RELAY_LOG_PURGE,
5052
  OPT_SLAVE_NET_TIMEOUT, OPT_SLAVE_COMPRESSED_PROTOCOL, OPT_SLOW_LAUNCH_TIME,
5053
  OPT_SLAVE_TRANS_RETRIES, OPT_READONLY, OPT_DEBUGGING,
5054
  OPT_SORT_BUFFER, OPT_TABLE_OPEN_CACHE, OPT_TABLE_DEF_CACHE,
5055 5056
  OPT_THREAD_CONCURRENCY, OPT_THREAD_CACHE_SIZE,
  OPT_TMP_TABLE_SIZE, OPT_THREAD_STACK,
5057
  OPT_WAIT_TIMEOUT, OPT_MYISAM_REPAIR_THREADS,
monty@mashka.mysql.fi's avatar
merge  
monty@mashka.mysql.fi committed
5058
  OPT_ERROR_LOG_FILE,
5059
  OPT_DEFAULT_WEEK_FORMAT,
5060
  OPT_RANGE_ALLOC_BLOCK_SIZE, OPT_ALLOW_SUSPICIOUS_UDFS,
5061
  OPT_QUERY_ALLOC_BLOCK_SIZE, OPT_QUERY_PREALLOC_SIZE,
5062
  OPT_TRANS_ALLOC_BLOCK_SIZE, OPT_TRANS_PREALLOC_SIZE,
5063 5064 5065 5066
  OPT_SYNC_FRM, OPT_SYNC_BINLOG,
  OPT_SYNC_REPLICATION,
  OPT_SYNC_REPLICATION_SLAVE_ID,
  OPT_SYNC_REPLICATION_TIMEOUT,
5067
  OPT_ENABLE_SHARED_MEMORY,
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5068
  OPT_SHARED_MEMORY_BASE_NAME,
5069
  OPT_OLD_PASSWORDS,
5070
  OPT_OLD_ALTER_TABLE,
5071
  OPT_EXPIRE_LOGS_DAYS,
5072
  OPT_GROUP_CONCAT_MAX_LEN,
5073
  OPT_DEFAULT_COLLATION,
5074
  OPT_CHARACTER_SET_CLIENT_HANDSHAKE,
5075
  OPT_CHARACTER_SET_FILESYSTEM,
5076
  OPT_LC_TIME_NAMES,
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5077
  OPT_INIT_CONNECT,
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5078
  OPT_INIT_SLAVE,
5079
  OPT_SECURE_AUTH,
5080 5081
  OPT_DATE_FORMAT,
  OPT_TIME_FORMAT,
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5082
  OPT_DATETIME_FORMAT,
5083
  OPT_LOG_QUERIES_NOT_USING_INDEXES,
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Merge  
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5084
  OPT_DEFAULT_TIME_ZONE,
5085
  OPT_SYSDATE_IS_NOW,
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Merge  
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5086 5087 5088 5089
  OPT_OPTIMIZER_SEARCH_DEPTH,
  OPT_OPTIMIZER_PRUNE_LEVEL,
  OPT_UPDATABLE_VIEWS_WITH_LIMIT,
  OPT_SP_AUTOMATIC_PRIVILEGES,
5090
  OPT_MAX_SP_RECURSION_DEPTH,
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Merge  
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5091 5092 5093
  OPT_AUTO_INCREMENT, OPT_AUTO_INCREMENT_OFFSET,
  OPT_ENABLE_LARGE_PAGES,
  OPT_TIMED_MUTEXES,
5094
  OPT_OLD_STYLE_USER_LIMITS,
5095
  OPT_LOG_SLOW_ADMIN_STATEMENTS,
5096
  OPT_TABLE_LOCK_WAIT_TIMEOUT,
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5097
  OPT_PLUGIN_LOAD,
5098
  OPT_PLUGIN_DIR,
5099
  OPT_LOG_OUTPUT,
5100
  OPT_PORT_OPEN_TIMEOUT,
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5101
  OPT_KEEP_FILES_ON_CREATE,
5102
  OPT_GENERAL_LOG,
5103
  OPT_SLOW_LOG,
5104
  OPT_THREAD_HANDLING,
5105
  OPT_INNODB_ROLLBACK_ON_TIMEOUT,
5106
  OPT_SECURE_FILE_PRIV,
5107 5108
  OPT_MIN_EXAMINED_ROW_LIMIT,
  OPT_LOG_SLOW_SLAVE_STATEMENTS,
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5109
  OPT_OLD_MODE
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};
5111

5112 5113 5114

#define LONG_TIMEOUT ((ulong) 3600L*24L*365L)

5115
struct my_option my_long_options[] =
5116
{
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  {"help", '?', "Display this help and exit.", 
5118
   (uchar**) &opt_help, (uchar**) &opt_help, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
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   0, 0},
#ifdef HAVE_REPLICATION
  {"abort-slave-event-count", OPT_ABORT_SLAVE_EVENT_COUNT,
   "Option used by mysql-test for debugging and testing of replication.",
5123
   (uchar**) &abort_slave_event_count,  (uchar**) &abort_slave_event_count,
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   0, GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif /* HAVE_REPLICATION */
5126
  {"allow-suspicious-udfs", OPT_ALLOW_SUSPICIOUS_UDFS,
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5127 5128
   "Allows use of UDFs consisting of only one symbol xxx() "
   "without corresponding xxx_init() or xxx_deinit(). That also means "
5129 5130
   "that one can load any function from any library, for example exit() "
   "from libc.so",
5131
   (uchar**) &opt_allow_suspicious_udfs, (uchar**) &opt_allow_suspicious_udfs,
5132
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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5133 5134
  {"ansi", 'a', "Use ANSI SQL syntax instead of MySQL syntax. This mode will also set transaction isolation level 'serializable'.", 0, 0, 0,
   GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
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Merge  
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  {"auto-increment-increment", OPT_AUTO_INCREMENT,
   "Auto-increment columns are incremented by this",
5137 5138
   (uchar**) &global_system_variables.auto_increment_increment,
   (uchar**) &max_system_variables.auto_increment_increment, 0, GET_ULONG,
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5139 5140 5141
   OPT_ARG, 1, 1, 65535, 0, 1, 0 },
  {"auto-increment-offset", OPT_AUTO_INCREMENT_OFFSET,
   "Offset added to Auto-increment columns. Used when auto-increment-increment != 1",
5142 5143
   (uchar**) &global_system_variables.auto_increment_offset,
   (uchar**) &max_system_variables.auto_increment_offset, 0, GET_ULONG, OPT_ARG,
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5144 5145 5146
   1, 1, 65535, 0, 1, 0 },
  {"automatic-sp-privileges", OPT_SP_AUTOMATIC_PRIVILEGES,
   "Creating and dropping stored procedures alters ACLs. Disable with --skip-automatic-sp-privileges.",
5147
   (uchar**) &sp_automatic_privileges, (uchar**) &sp_automatic_privileges,
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Merge  
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5148
   0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
5149 5150
  {"basedir", 'b',
   "Path to installation directory. All paths are usually resolved relative to this.",
5151
   (uchar**) &mysql_home_ptr, (uchar**) &mysql_home_ptr, 0, GET_STR, REQUIRED_ARG,
5152
   0, 0, 0, 0, 0, 0},
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5153
  {"big-tables", OPT_BIG_TABLES,
5154
   "Allow big result sets by saving all temporary sets on file (Solves most 'table full' errors).",
5155
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
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5156
  {"bind-address", OPT_BIND_ADDRESS, "IP address to bind to.",
5157
   (uchar**) &my_bind_addr_str, (uchar**) &my_bind_addr_str, 0, GET_STR,
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5158
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5159
  {"binlog_format", OPT_BINLOG_FORMAT,
5160
   "Does not have any effect without '--log-bin'. "
5161
   "Tell the master the form of binary logging to use: either 'row' for "
5162 5163 5164 5165 5166
   "row-based binary logging, or 'statement' for statement-based binary "
   "logging, or 'mixed'. 'mixed' is statement-based binary logging except "
   "for those statements where only row-based is correct: those which "
   "involve user-defined functions (i.e. UDFs) or the UUID() function; for "
   "those, row-based binary logging is automatically used. "
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5167
#ifdef HAVE_NDB_BINLOG
5168 5169
   "If ndbcluster is enabled and binlog_format is `mixed', the format switches"
   " to 'row' and back implicitly per each query accessing a NDB table."
5170
#endif
5171
   ,(uchar**) &opt_binlog_format, (uchar**) &opt_binlog_format,
5172
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5173 5174 5175
  {"binlog-do-db", OPT_BINLOG_DO_DB,
   "Tells the master it should log updates for the specified database, and exclude all others not explicitly mentioned.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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5176
  {"binlog-ignore-db", OPT_BINLOG_IGNORE_DB,
5177
   "Tells the master that updates to the given database should not be logged tothe binary log.",
5178
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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  {"binlog-row-event-max-size", OPT_BINLOG_ROWS_EVENT_MAX_SIZE,
   "The maximum size of a row-based binary log event in bytes. Rows will be "
   "grouped into events smaller than this size if possible. "
   "The value has to be a multiple of 256.",
5183 5184
   (uchar**) &opt_binlog_rows_event_max_size, 
   (uchar**) &opt_binlog_rows_event_max_size, 0, 
5185 5186 5187 5188 5189
   GET_ULONG, REQUIRED_ARG, 
   /* def_value */ 1024, /* min_value */  256, /* max_value */ ULONG_MAX, 
   /* sub_size */     0, /* block_size */ 256, 
   /* app_type */ 0
  },
5190
#ifndef DISABLE_GRANT_OPTIONS
5191
  {"bootstrap", OPT_BOOTSTRAP, "Used by mysql installation scripts.", 0, 0, 0,
5192
   GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
5193
#endif
5194
  {"character-set-client-handshake", OPT_CHARACTER_SET_CLIENT_HANDSHAKE,
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5195
   "Don't ignore client side character set value sent during handshake.",
5196 5197
   (uchar**) &opt_character_set_client_handshake,
   (uchar**) &opt_character_set_client_handshake,
5198
    0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
5199 5200
  {"character-set-filesystem", OPT_CHARACTER_SET_FILESYSTEM,
   "Set the filesystem character set.",
5201 5202
   (uchar**) &character_set_filesystem_name,
   (uchar**) &character_set_filesystem_name,
5203
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
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5204
  {"character-set-server", 'C', "Set the default character set.",
5205
   (uchar**) &default_character_set_name, (uchar**) &default_character_set_name,
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5206
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
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paul@kite-hub.kitebird.com committed
5207
  {"character-sets-dir", OPT_CHARSETS_DIR,
5208 5209
   "Directory where character sets are.", (uchar**) &charsets_dir,
   (uchar**) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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5210
  {"chroot", 'r', "Chroot mysqld daemon during startup.",
5211
   (uchar**) &mysqld_chroot, (uchar**) &mysqld_chroot, 0, GET_STR, REQUIRED_ARG,
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5212 5213
   0, 0, 0, 0, 0, 0},
  {"collation-server", OPT_DEFAULT_COLLATION, "Set the default collation.",
5214
   (uchar**) &default_collation_name, (uchar**) &default_collation_name,
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5215
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
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Merge  
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5216
  {"completion-type", OPT_COMPLETION_TYPE, "Default completion type.",
5217 5218
   (uchar**) &global_system_variables.completion_type,
   (uchar**) &max_system_variables.completion_type, 0, GET_ULONG,
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Merge  
ingo@mysql.com committed
5219
   REQUIRED_ARG, 0, 0, 2, 0, 1, 0},
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5220
  {"concurrent-insert", OPT_CONCURRENT_INSERT,
5221
   "Use concurrent insert with MyISAM. Disable with --concurrent-insert=0",
5222
   (uchar**) &myisam_concurrent_insert, (uchar**) &myisam_concurrent_insert,
5223
   0, GET_LONG, OPT_ARG, 1, 0, 2, 0, 0, 0},
5224
  {"console", OPT_CONSOLE, "Write error output on screen; Don't remove the console window on windows.",
5225
   (uchar**) &opt_console, (uchar**) &opt_console, 0, GET_BOOL, NO_ARG, 0, 0, 0,
5226
   0, 0, 0},
5227
  {"core-file", OPT_WANT_CORE, "Write core on errors.", 0, 0, 0, GET_NO_ARG,
5228
   NO_ARG, 0, 0, 0, 0, 0, 0},
5229 5230
  {"datadir", 'h', "Path to the database root.", (uchar**) &mysql_data_home,
   (uchar**) &mysql_data_home, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5231
#ifndef DBUG_OFF
5232 5233
  {"debug", '#', "Debug log.", (uchar**) &default_dbug_option,
   (uchar**) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
5234
#endif
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5235
  {"default-character-set", 'C', "Set the default character set (deprecated option, use --character-set-server instead).",
5236
   (uchar**) &default_character_set_name, (uchar**) &default_character_set_name,
5237
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
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5238
  {"default-collation", OPT_DEFAULT_COLLATION, "Set the default collation (deprecated option, use --collation-server instead).",
5239
   (uchar**) &default_collation_name, (uchar**) &default_collation_name,
5240
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
5241
  {"default-storage-engine", OPT_STORAGE_ENGINE,
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5242
   "Set the default storage engine (table type) for tables.",
5243
   (uchar**)&default_storage_engine_str, (uchar**)&default_storage_engine_str,
5244 5245
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"default-table-type", OPT_STORAGE_ENGINE,
5246
   "(deprecated) Use --default-storage-engine.",
5247
   (uchar**)&default_storage_engine_str, (uchar**)&default_storage_engine_str,
5248
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5249
  {"default-time-zone", OPT_DEFAULT_TIME_ZONE, "Set the default time zone.",
5250
   (uchar**) &default_tz_name, (uchar**) &default_tz_name,
5251
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
5252
  {"delay-key-write", OPT_DELAY_KEY_WRITE, "Type of DELAY_KEY_WRITE.",
5253 5254
   0,0,0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
  {"delay-key-write-for-all-tables", OPT_DELAY_KEY_WRITE_ALL,
5255
   "Don't flush key buffers between writes for any MyISAM table (Deprecated option, use --delay-key-write=all instead).",
5256
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
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5257 5258 5259
#ifdef HAVE_OPENSSL
  {"des-key-file", OPT_DES_KEY_FILE,
   "Load keys for des_encrypt() and des_encrypt from given file.",
5260
   (uchar**) &des_key_file, (uchar**) &des_key_file, 0, GET_STR, REQUIRED_ARG,
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   0, 0, 0, 0, 0, 0},
#endif /* HAVE_OPENSSL */
#ifdef HAVE_REPLICATION
  {"disconnect-slave-event-count", OPT_DISCONNECT_SLAVE_EVENT_COUNT,
   "Option used by mysql-test for debugging and testing of replication.",
5266 5267
   (uchar**) &disconnect_slave_event_count,
   (uchar**) &disconnect_slave_event_count, 0, GET_INT, REQUIRED_ARG, 0, 0, 0,
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   0, 0, 0},
#endif /* HAVE_REPLICATION */
5270
  {"enable-locking", OPT_ENABLE_LOCK,
5271
   "Deprecated option, use --external-locking instead.",
5272
   (uchar**) &opt_external_locking, (uchar**) &opt_external_locking,
5273
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5274
#ifdef __NT__
5275
  {"enable-named-pipe", OPT_HAVE_NAMED_PIPE, "Enable the named pipe (NT).",
5276
   (uchar**) &opt_enable_named_pipe, (uchar**) &opt_enable_named_pipe, 0, GET_BOOL,
5277 5278
   NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
5279
  {"enable-pstack", OPT_DO_PSTACK, "Print a symbolic stack trace on failure.",
5280
   (uchar**) &opt_do_pstack, (uchar**) &opt_do_pstack, 0, GET_BOOL, NO_ARG, 0, 0,
5281
   0, 0, 0, 0},
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Merge  
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5282 5283 5284
  {"engine-condition-pushdown",
   OPT_ENGINE_CONDITION_PUSHDOWN,
   "Push supported query conditions to the storage engine.",
5285 5286
   (uchar**) &global_system_variables.engine_condition_pushdown,
   (uchar**) &global_system_variables.engine_condition_pushdown,
5287
   0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
5288
  /* See how it's handled in get_one_option() */
5289
  {"event-scheduler", OPT_EVENT_SCHEDULER, "Enable/disable the event scheduler.",
5290
   NULL,  NULL, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
5291 5292
  {"exit-info", 'T', "Used for debugging;  Use at your own risk!", 0, 0, 0,
   GET_LONG, OPT_ARG, 0, 0, 0, 0, 0, 0},
5293
  {"external-locking", OPT_USE_LOCKING, "Use system (external) locking (disabled by default).  With this option enabled you can run myisamchk to test (not repair) tables while the MySQL server is running. Disable with --skip-external-locking.",
5294
   (uchar**) &opt_external_locking, (uchar**) &opt_external_locking,
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5295
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5296
  {"flush", OPT_FLUSH, "Flush tables to disk between SQL commands.", 0, 0, 0,
5297 5298 5299
   GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  /* We must always support the next option to make scripts like mysqltest
     easier to do */
5300 5301
  {"gdb", OPT_DEBUGGING,
   "Set up signals usable for debugging",
5302
   (uchar**) &opt_debugging, (uchar**) &opt_debugging,
5303
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5304
  {"general-log", OPT_GENERAL_LOG,
5305 5306
   "Enable|disable general log", (uchar**) &opt_log,
   (uchar**) &opt_log, 0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
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Merge  
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5307 5308 5309
#ifdef HAVE_LARGE_PAGES
  {"large-pages", OPT_ENABLE_LARGE_PAGES, "Enable support for large pages. \
Disable with --skip-large-pages.",
5310
   (uchar**) &opt_large_pages, (uchar**) &opt_large_pages, 0, GET_BOOL, NO_ARG, 0, 0, 0,
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Merge  
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5311 5312
   0, 0, 0},
#endif
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5313
  {"init-connect", OPT_INIT_CONNECT, "Command(s) that are executed for each new connection",
5314
   (uchar**) &opt_init_connect, (uchar**) &opt_init_connect, 0, GET_STR_ALLOC,
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5315
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5316
#ifndef DISABLE_GRANT_OPTIONS
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5317
  {"init-file", OPT_INIT_FILE, "Read SQL commands from this file at startup.",
5318
   (uchar**) &opt_init_file, (uchar**) &opt_init_file, 0, GET_STR, REQUIRED_ARG,
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5319
   0, 0, 0, 0, 0, 0},
5320
#endif
5321
  {"init-rpl-role", OPT_INIT_RPL_ROLE, "Set the replication role.", 0, 0, 0,
5322
   GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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5323
  {"init-slave", OPT_INIT_SLAVE, "Command(s) that are executed when a slave connects to this master",
5324
   (uchar**) &opt_init_slave, (uchar**) &opt_init_slave, 0, GET_STR_ALLOC,
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5325
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5326
  {"language", 'L',
5327
   "Client error messages in given language. May be given as a full path.",
5328
   (uchar**) &language_ptr, (uchar**) &language_ptr, 0, GET_STR, REQUIRED_ARG,
5329
   0, 0, 0, 0, 0, 0},
5330 5331
  {"lc-time-names", OPT_LC_TIME_NAMES,
   "Set the language used for the month names and the days of the week.",
5332 5333
   (uchar**) &lc_time_names_name,
   (uchar**) &lc_time_names_name,
5334
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
5335
  {"local-infile", OPT_LOCAL_INFILE,
5336
   "Enable/disable LOAD DATA LOCAL INFILE (takes values 1|0).",
5337 5338
   (uchar**) &opt_local_infile,
   (uchar**) &opt_local_infile, 0, GET_BOOL, OPT_ARG,
5339
   1, 0, 0, 0, 0, 0},
5340 5341
  {"log", 'l', "Log connections and queries to file.", (uchar**) &opt_logname,
   (uchar**) &opt_logname, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
5342
  {"log-bin", OPT_BIN_LOG,
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   "Log update queries in binary format. Optional (but strongly recommended "
   "to avoid replication problems if server's hostname changes) argument "
   "should be the chosen location for the binary log files.",
5346
   (uchar**) &opt_bin_logname, (uchar**) &opt_bin_logname, 0, GET_STR_ALLOC,
5347
   OPT_ARG, 0, 0, 0, 0, 0, 0},
5348
  {"log-bin-index", OPT_BIN_LOG_INDEX,
5349
   "File that holds the names for last binary log files.",
5350
   (uchar**) &opt_binlog_index_name, (uchar**) &opt_binlog_index_name, 0, GET_STR,
5351
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5352 5353 5354 5355 5356 5357 5358 5359 5360
#ifndef TO_BE_REMOVED_IN_5_1_OR_6_0
  /*
    In 5.0.6 we introduced the below option, then in 5.0.16 we renamed it to
    log-bin-trust-function-creators but kept also the old name for
    compatibility; the behaviour was also changed to apply only to functions
    (and triggers). In a future release this old name could be removed.
  */
  {"log-bin-trust-routine-creators", OPT_LOG_BIN_TRUST_FUNCTION_CREATORS,
   "(deprecated) Use log-bin-trust-function-creators.",
5361
   (uchar**) &trust_function_creators, (uchar**) &trust_function_creators, 0,
5362 5363
   GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
5364 5365
  /*
    This option starts with "log-bin" to emphasize that it is specific of
5366
    binary logging.
5367
  */
5368
  {"log-bin-trust-function-creators", OPT_LOG_BIN_TRUST_FUNCTION_CREATORS,
5369
   "If equal to 0 (the default), then when --log-bin is used, creation of "
5370 5371
   "a stored function (or trigger) is allowed only to users having the SUPER privilege "
   "and only if this stored function (trigger) may not break binary logging."
5372 5373 5374
   "Note that if ALL connections to this server ALWAYS use row-based binary "
   "logging, the security issues do not exist and the binary logging cannot "
   "break, so you can safely set this to 1."
5375
   ,(uchar**) &trust_function_creators, (uchar**) &trust_function_creators, 0,
5376
   GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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5377
  {"log-error", OPT_ERROR_LOG_FILE, "Error log file.",
5378
   (uchar**) &log_error_file_ptr, (uchar**) &log_error_file_ptr, 0, GET_STR,
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   OPT_ARG, 0, 0, 0, 0, 0, 0},
5380
  {"log-isam", OPT_ISAM_LOG, "Log all MyISAM changes to file.",
5381
   (uchar**) &myisam_log_filename, (uchar**) &myisam_log_filename, 0, GET_STR,
5382
   OPT_ARG, 0, 0, 0, 0, 0, 0},
5383 5384 5385
  {"log-long-format", '0',
   "Log some extra information to update log. Please note that this option is deprecated; see --log-short-format option.", 
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
5386 5387
#ifdef WITH_CSV_STORAGE_ENGINE
  {"log-output", OPT_LOG_OUTPUT,
5388
   "Syntax: log-output[=value[,value...]], where \"value\" could be TABLE, "
5389
   "FILE or NONE.",
5390
   (uchar**) &log_output_str, (uchar**) &log_output_str, 0,
5391 5392
   GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#endif
5393
  {"log-queries-not-using-indexes", OPT_LOG_QUERIES_NOT_USING_INDEXES,
5394
   "Log queries that are executed without benefit of any index to the slow log if it is open.",
5395
   (uchar**) &opt_log_queries_not_using_indexes, (uchar**) &opt_log_queries_not_using_indexes,
5396
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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  {"log-short-format", OPT_SHORT_LOG_FORMAT,
   "Don't log extra information to update and slow-query logs.",
5399
   (uchar**) &opt_short_log_format, (uchar**) &opt_short_log_format,
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   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5401
  {"log-slave-updates", OPT_LOG_SLAVE_UPDATES,
5402
   "Tells the slave to log the updates from the slave thread to the binary log. You will need to turn it on if you plan to daisy-chain the slaves.",
5403
   (uchar**) &opt_log_slave_updates, (uchar**) &opt_log_slave_updates, 0, GET_BOOL,
5404
   NO_ARG, 0, 0, 0, 0, 0, 0},
5405 5406
  {"log-slow-admin-statements", OPT_LOG_SLOW_ADMIN_STATEMENTS,
   "Log slow OPTIMIZE, ANALYZE, ALTER and other administrative statements to the slow log if it is open.",
5407 5408
   (uchar**) &opt_log_slow_admin_statements,
   (uchar**) &opt_log_slow_admin_statements,
5409
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5410 5411 5412 5413 5414
 {"log-slow-slave-statements", OPT_LOG_SLOW_SLAVE_STATEMENTS,
  "Log slow statements executed by slave thread to the slow log if it is open.",
  (uchar**) &opt_log_slow_slave_statements,
  (uchar**) &opt_log_slow_slave_statements,
  0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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5415
  {"log-slow-queries", OPT_SLOW_QUERY_LOG,
5416
    "Log slow queries to a table or log file. Defaults logging to table mysql.slow_log or hostname-slow.log if --log-output=file is used. Must be enabled to activate other slow log options.",
5417
   (uchar**) &opt_slow_logname, (uchar**) &opt_slow_logname, 0, GET_STR, OPT_ARG,
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   0, 0, 0, 0, 0, 0},
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5419 5420 5421
  {"log-tc", OPT_LOG_TC,
   "Path to transaction coordinator log (used for transactions that affect "
   "more than one storage engine, when binary log is disabled)",
5422
   (uchar**) &opt_tc_log_file, (uchar**) &opt_tc_log_file, 0, GET_STR,
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5423
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5424
#ifdef HAVE_MMAP
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  {"log-tc-size", OPT_LOG_TC_SIZE, "Size of transaction coordinator log.",
5426
   (uchar**) &opt_tc_log_size, (uchar**) &opt_tc_log_size, 0, GET_ULONG,
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5427
   REQUIRED_ARG, TC_LOG_MIN_SIZE, TC_LOG_MIN_SIZE, ~0L, 0, TC_LOG_PAGE_SIZE, 0},
5428
#endif
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5429
  {"log-update", OPT_UPDATE_LOG,
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   "The update log is deprecated since version 5.0, is replaced by the binary \
log and this option justs turns on --log-bin instead.",
5432
   (uchar**) &opt_update_logname, (uchar**) &opt_update_logname, 0, GET_STR,
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   OPT_ARG, 0, 0, 0, 0, 0, 0},
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5434
  {"log-warnings", 'W', "Log some not critical warnings to the log file.",
5435 5436
   (uchar**) &global_system_variables.log_warnings,
   (uchar**) &max_system_variables.log_warnings, 0, GET_ULONG, OPT_ARG, 1, 0, 0,
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   0, 0, 0},
5438
  {"low-priority-updates", OPT_LOW_PRIORITY_UPDATES,
5439
   "INSERT/DELETE/UPDATE has lower priority than selects.",
5440 5441
   (uchar**) &global_system_variables.low_priority_updates,
   (uchar**) &max_system_variables.low_priority_updates,
5442
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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5443 5444
  {"master-connect-retry", OPT_MASTER_CONNECT_RETRY,
   "The number of seconds the slave thread will sleep before retrying to connect to the master in case the master goes down or the connection is lost.",
5445
   (uchar**) &master_connect_retry, (uchar**) &master_connect_retry, 0, GET_UINT,
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5446
   REQUIRED_ARG, 60, 0, 0, 0, 0, 0},
5447
  {"master-host", OPT_MASTER_HOST,
5448
   "Master hostname or IP address for replication. If not set, the slave thread will not be started. Note that the setting of master-host will be ignored if there exists a valid master.info file.",
5449
   (uchar**) &master_host, (uchar**) &master_host, 0, GET_STR, REQUIRED_ARG, 0, 0,
5450
   0, 0, 0, 0},
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5451 5452 5453
  {"master-info-file", OPT_MASTER_INFO_FILE,
   "The location and name of the file that remembers the master and where the I/O replication \
thread is in the master's binlogs.",
5454
   (uchar**) &master_info_file, (uchar**) &master_info_file, 0, GET_STR,
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5455
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5456 5457
  {"master-password", OPT_MASTER_PASSWORD,
   "The password the slave thread will authenticate with when connecting to the master. If not set, an empty password is assumed.The value in master.info will take precedence if it can be read.",
5458
   (uchar**)&master_password, (uchar**)&master_password, 0,
5459
   GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5460
  {"master-port", OPT_MASTER_PORT,
5461
   "The port the master is listening on. If not set, the compiled setting of MYSQL_PORT is assumed. If you have not tinkered with configure options, this should be 3306. The value in master.info will take precedence if it can be read.",
5462
   (uchar**) &master_port, (uchar**) &master_port, 0, GET_UINT, REQUIRED_ARG,
5463 5464 5465
   MYSQL_PORT, 0, 0, 0, 0, 0},
  {"master-retry-count", OPT_MASTER_RETRY_COUNT,
   "The number of tries the slave will make to connect to the master before giving up.",
5466
   (uchar**) &master_retry_count, (uchar**) &master_retry_count, 0, GET_ULONG,
5467
   REQUIRED_ARG, 3600*24, 0, 0, 0, 0, 0},
5468
  {"master-ssl", OPT_MASTER_SSL,
5469
   "Enable the slave to connect to the master using SSL.",
5470
   (uchar**) &master_ssl, (uchar**) &master_ssl, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
5471
   0, 0},
5472 5473
  {"master-ssl-ca", OPT_MASTER_SSL_CA,
   "Master SSL CA file. Only applies if you have enabled master-ssl.",
5474
   (uchar**) &master_ssl_ca, (uchar**) &master_ssl_ca, 0, GET_STR, OPT_ARG,
5475
   0, 0, 0, 0, 0, 0},
5476
  {"master-ssl-capath", OPT_MASTER_SSL_CAPATH,
5477
   "Master SSL CA path. Only applies if you have enabled master-ssl.",
5478
   (uchar**) &master_ssl_capath, (uchar**) &master_ssl_capath, 0, GET_STR, OPT_ARG,
5479
   0, 0, 0, 0, 0, 0},
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5480 5481 5482
  {"master-ssl-cert", OPT_MASTER_SSL_CERT,
   "Master SSL certificate file name. Only applies if you have enabled \
master-ssl",
5483
   (uchar**) &master_ssl_cert, (uchar**) &master_ssl_cert, 0, GET_STR, OPT_ARG,
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5484
   0, 0, 0, 0, 0, 0},
5485
  {"master-ssl-cipher", OPT_MASTER_SSL_CIPHER,
5486
   "Master SSL cipher. Only applies if you have enabled master-ssl.",
5487
   (uchar**) &master_ssl_cipher, (uchar**) &master_ssl_capath, 0, GET_STR, OPT_ARG,
5488
   0, 0, 0, 0, 0, 0},
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5489 5490
  {"master-ssl-key", OPT_MASTER_SSL_KEY,
   "Master SSL keyfile name. Only applies if you have enabled master-ssl.",
5491
   (uchar**) &master_ssl_key, (uchar**) &master_ssl_key, 0, GET_STR, OPT_ARG,
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5492 5493 5494
   0, 0, 0, 0, 0, 0},
  {"master-user", OPT_MASTER_USER,
   "The username the slave thread will use for authentication when connecting to the master. The user must have FILE privilege. If the master user is not set, user test is assumed. The value in master.info will take precedence if it can be read.",
5495
   (uchar**) &master_user, (uchar**) &master_user, 0, GET_STR, REQUIRED_ARG, 0, 0,
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5496
   0, 0, 0, 0},
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SCRUM  
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5497
#ifdef HAVE_REPLICATION
5498
  {"max-binlog-dump-events", OPT_MAX_BINLOG_DUMP_EVENTS,
5499
   "Option used by mysql-test for debugging and testing of replication.",
5500
   (uchar**) &max_binlog_dump_events, (uchar**) &max_binlog_dump_events, 0,
5501
   GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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SCRUM  
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5502
#endif /* HAVE_REPLICATION */
5503 5504
  {"memlock", OPT_MEMLOCK, "Lock mysqld in memory.", (uchar**) &locked_in_memory,
   (uchar**) &locked_in_memory, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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5505 5506
  {"myisam-recover", OPT_MYISAM_RECOVER,
   "Syntax: myisam-recover[=option[,option...]], where option can be DEFAULT, BACKUP, FORCE or QUICK.",
5507
   (uchar**) &myisam_recover_options_str, (uchar**) &myisam_recover_options_str, 0,
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5508
   GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
5509
#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
5510 5511
  {"ndb-connectstring", OPT_NDB_CONNECTSTRING,
   "Connect string for ndbcluster.",
5512 5513
   (uchar**) &opt_ndb_connectstring,
   (uchar**) &opt_ndb_connectstring,
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5514 5515 5516
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"ndb-mgmd-host", OPT_NDB_MGMD,
   "Set host and port for ndb_mgmd. Syntax: hostname[:port]",
5517 5518
   (uchar**) &opt_ndb_mgmd,
   (uchar**) &opt_ndb_mgmd,
5519
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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5520 5521
  {"ndb-nodeid", OPT_NDB_NODEID,
   "Nodeid for this mysqlserver in the cluster.",
5522 5523
   (uchar**) &opt_ndb_nodeid,
   (uchar**) &opt_ndb_nodeid,
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5524
   0, GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5525 5526
  {"ndb-autoincrement-prefetch-sz", OPT_NDB_AUTOINCREMENT_PREFETCH_SZ,
   "Specify number of autoincrement values that are prefetched.",
5527 5528
   (uchar**) &global_system_variables.ndb_autoincrement_prefetch_sz,
   (uchar**) &global_system_variables.ndb_autoincrement_prefetch_sz,
5529
   0, GET_ULONG, REQUIRED_ARG, 32, 1, 256, 0, 0, 0},
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5530
  {"ndb-distribution", OPT_NDB_DISTRIBUTION,
5531
   "Default distribution for new tables in ndb",
5532 5533
   (uchar**) &opt_ndb_distribution,
   (uchar**) &opt_ndb_distribution,
5534
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5535 5536 5537
  {"ndb-force-send", OPT_NDB_FORCE_SEND,
   "Force send of buffers to ndb immediately without waiting for "
   "other threads.",
5538 5539
   (uchar**) &global_system_variables.ndb_force_send,
   (uchar**) &global_system_variables.ndb_force_send,
5540
   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
5541
  {"ndb_force_send", OPT_NDB_FORCE_SEND,
5542
   "same as --ndb-force-send.",
5543 5544
   (uchar**) &global_system_variables.ndb_force_send,
   (uchar**) &global_system_variables.ndb_force_send,
5545
   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
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5546 5547
  {"ndb-extra-logging", OPT_NDB_EXTRA_LOGGING,
   "Turn on more logging in the error log.",
5548 5549
   (uchar**) &ndb_extra_logging,
   (uchar**) &ndb_extra_logging,
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5550 5551 5552 5553 5554 5555 5556
   0, GET_INT, OPT_ARG, 0, 0, 0, 0, 0, 0},
#ifdef HAVE_NDB_BINLOG
  {"ndb-report-thresh-binlog-epoch-slip", OPT_NDB_REPORT_THRESH_BINLOG_EPOCH_SLIP,
   "Threshold on number of epochs to be behind before reporting binlog status. "
   "E.g. 3 means that if the difference between what epoch has been received "
   "from the storage nodes and what has been applied to the binlog is 3 or more, "
   "a status message will be sent to the cluster log.",
5557 5558
   (uchar**) &ndb_report_thresh_binlog_epoch_slip,
   (uchar**) &ndb_report_thresh_binlog_epoch_slip,
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5559 5560 5561 5562 5563 5564
   0, GET_ULONG, REQUIRED_ARG, 3, 0, 256, 0, 0, 0},
  {"ndb-report-thresh-binlog-mem-usage", OPT_NDB_REPORT_THRESH_BINLOG_MEM_USAGE,
   "Threshold on percentage of free memory before reporting binlog status. E.g. "
   "10 means that if amount of available memory for receiving binlog data from "
   "the storage nodes goes below 10%, "
   "a status message will be sent to the cluster log.",
5565 5566
   (uchar**) &ndb_report_thresh_binlog_mem_usage,
   (uchar**) &ndb_report_thresh_binlog_mem_usage,
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   0, GET_ULONG, REQUIRED_ARG, 10, 0, 100, 0, 0, 0},
#endif
5569 5570 5571
  {"ndb-use-exact-count", OPT_NDB_USE_EXACT_COUNT,
   "Use exact records count during query planning and for fast "
   "select count(*), disable for faster queries.",
5572 5573
   (uchar**) &global_system_variables.ndb_use_exact_count,
   (uchar**) &global_system_variables.ndb_use_exact_count,
5574
   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
5575
  {"ndb_use_exact_count", OPT_NDB_USE_EXACT_COUNT,
5576
   "same as --ndb-use-exact-count.",
5577 5578
   (uchar**) &global_system_variables.ndb_use_exact_count,
   (uchar**) &global_system_variables.ndb_use_exact_count,
5579
   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
5580 5581 5582
  {"ndb-use-transactions", OPT_NDB_USE_TRANSACTIONS,
   "Use transactions for large inserts, if enabled then large "
   "inserts will be split into several smaller transactions",
5583 5584
   (uchar**) &global_system_variables.ndb_use_transactions,
   (uchar**) &global_system_variables.ndb_use_transactions,
5585 5586 5587
   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
  {"ndb_use_transactions", OPT_NDB_USE_TRANSACTIONS,
   "same as --ndb-use-transactions.",
5588 5589
   (uchar**) &global_system_variables.ndb_use_transactions,
   (uchar**) &global_system_variables.ndb_use_transactions,
5590
   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
5591 5592
  {"ndb-shm", OPT_NDB_SHM,
   "Use shared memory connections when available.",
5593 5594
   (uchar**) &opt_ndb_shm,
   (uchar**) &opt_ndb_shm,
5595 5596 5597
   0, GET_BOOL, OPT_ARG, OPT_NDB_SHM_DEFAULT, 0, 0, 0, 0, 0},
  {"ndb-optimized-node-selection", OPT_NDB_OPTIMIZED_NODE_SELECTION,
   "Select nodes for transactions in a more optimal way.",
5598 5599
   (uchar**) &opt_ndb_optimized_node_selection,
   (uchar**) &opt_ndb_optimized_node_selection,
5600
   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
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5601 5602
  { "ndb-cache-check-time", OPT_NDB_CACHE_CHECK_TIME,
    "A dedicated thread is created to, at the given millisecons interval, invalidate the query cache if another MySQL server in the cluster has changed the data in the database.",
5603
    (uchar**) &opt_ndb_cache_check_time, (uchar**) &opt_ndb_cache_check_time, 0, GET_ULONG, REQUIRED_ARG,
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5604
    0, 0, LONG_TIMEOUT, 0, 1, 0},
5605 5606
  {"ndb-index-stat-enable", OPT_NDB_INDEX_STAT_ENABLE,
   "Use ndb index statistics in query optimization.",
5607 5608
   (uchar**) &global_system_variables.ndb_index_stat_enable,
   (uchar**) &max_system_variables.ndb_index_stat_enable,
5609
   0, GET_BOOL, OPT_ARG, 0, 0, 1, 0, 0, 0},
5610
#endif
5611
  {"ndb-use-copying-alter-table",
5612
   OPT_NDB_USE_COPYING_ALTER_TABLE,
5613
   "Force ndbcluster to always copy tables at alter table (should only be used if on-line alter table fails).",
5614 5615
   (uchar**) &global_system_variables.ndb_use_copying_alter_table,
   (uchar**) &global_system_variables.ndb_use_copying_alter_table,
5616
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},  
5617
  {"new", 'n', "Use very new possible 'unsafe' functions.",
5618 5619
   (uchar**) &global_system_variables.new_mode,
   (uchar**) &max_system_variables.new_mode,
5620
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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5621
#ifdef NOT_YET
5622
  {"no-mix-table-types", OPT_NO_MIX_TYPE, "Don't allow commands with uses two different table types.",
5623
   (uchar**) &opt_no_mix_types, (uchar**) &opt_no_mix_types, 0, GET_BOOL, NO_ARG,
5624 5625
   0, 0, 0, 0, 0, 0},
#endif
5626 5627
  {"old-alter-table", OPT_OLD_ALTER_TABLE,
   "Use old, non-optimized alter table.",
5628 5629
   (uchar**) &global_system_variables.old_alter_table,
   (uchar**) &max_system_variables.old_alter_table, 0, GET_BOOL, NO_ARG,
5630
   0, 0, 0, 0, 0, 0},
5631
  {"old-passwords", OPT_OLD_PASSWORDS, "Use old password encryption method (needed for 4.0 and older clients).",
5632 5633
   (uchar**) &global_system_variables.old_passwords,
   (uchar**) &max_system_variables.old_passwords, 0, GET_BOOL, NO_ARG,
5634
   0, 0, 0, 0, 0, 0},
5635
  {"one-thread", OPT_ONE_THREAD,
5636 5637
   "(deprecated): Only use one thread (for debugging under Linux). Use thread-handling=no-threads instead",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
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5638 5639
  {"old-style-user-limits", OPT_OLD_STYLE_USER_LIMITS,
   "Enable old-style user limits (before 5.0.3 user resources were counted per each user+host vs. per account)",
5640
   (uchar**) &opt_old_style_user_limits, (uchar**) &opt_old_style_user_limits,
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5641
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5642
  {"pid-file", OPT_PID_FILE, "Pid file used by safe_mysqld.",
5643
   (uchar**) &pidfile_name_ptr, (uchar**) &pidfile_name_ptr, 0, GET_STR,
5644
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5645 5646 5647 5648 5649 5650
  {"port", 'P', "Port number to use for connection or 0 for default to, in "
   "order of preference, my.cnf, $MYSQL_TCP_PORT, "
#if MYSQL_PORT_DEFAULT == 0
   "/etc/services, "
#endif
   "built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").",
5651
   (uchar**) &mysqld_port,
5652
   (uchar**) &mysqld_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5653 5654
  {"port-open-timeout", OPT_PORT_OPEN_TIMEOUT,
   "Maximum time in seconds to wait for the port to become free. "
5655 5656
   "(Default: no wait)", (uchar**) &mysqld_port_timeout,
   (uchar**) &mysqld_port_timeout, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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  {"relay-log", OPT_RELAY_LOG,
   "The location and name to use for relay logs.",
5659
   (uchar**) &opt_relay_logname, (uchar**) &opt_relay_logname, 0,
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   GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"relay-log-index", OPT_RELAY_LOG_INDEX,
   "The location and name to use for the file that keeps a list of the last \
relay logs.",
5664
   (uchar**) &opt_relaylog_index_name, (uchar**) &opt_relaylog_index_name, 0,
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   GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"relay-log-info-file", OPT_RELAY_LOG_INFO_FILE,
   "The location and name of the file that remembers where the SQL replication \
thread is in the relay logs.",
5669
   (uchar**) &relay_log_info_file, (uchar**) &relay_log_info_file, 0, GET_STR,
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   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683
  {"replicate-do-db", OPT_REPLICATE_DO_DB,
   "Tells the slave thread to restrict replication to the specified database. To specify more than one database, use the directive multiple times, once for each database. Note that this will only work if you do not use cross-database queries such as UPDATE some_db.some_table SET foo='bar' while having selected a different or no database. If you need cross database updates to work, make sure you have 3.23.28 or later, and use replicate-wild-do-table=db_name.%.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"replicate-do-table", OPT_REPLICATE_DO_TABLE,
   "Tells the slave thread to restrict replication to the specified table. To specify more than one table, use the directive multiple times, once for each table. This will work for cross-database updates, in contrast to replicate-do-db.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"replicate-ignore-db", OPT_REPLICATE_IGNORE_DB,
   "Tells the slave thread to not replicate to the specified database. To specify more than one database to ignore, use the directive multiple times, once for each database. This option will not work if you use cross database updates. If you need cross database updates to work, make sure you have 3.23.28 or later, and use replicate-wild-ignore-table=db_name.%. ",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"replicate-ignore-table", OPT_REPLICATE_IGNORE_TABLE,
   "Tells the slave thread to not replicate to the specified table. To specify more than one table to ignore, use the directive multiple times, once for each table. This will work for cross-datbase updates, in contrast to replicate-ignore-db.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"replicate-rewrite-db", OPT_REPLICATE_REWRITE_DB,
5684
   "Updates to a database with a different name than the original. Example: replicate-rewrite-db=master_db_name->slave_db_name.",
5685
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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#ifdef HAVE_REPLICATION
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  {"replicate-same-server-id", OPT_REPLICATE_SAME_SERVER_ID,
   "In replication, if set to 1, do not skip events having our server id. \
Default value is 0 (to break infinite loops in circular replication). \
Can't be set to 1 if --log-slave-updates is used.",
5691 5692
   (uchar**) &replicate_same_server_id,
   (uchar**) &replicate_same_server_id,
5693
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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5694
#endif
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  {"replicate-wild-do-table", OPT_REPLICATE_WILD_DO_TABLE,
   "Tells the slave thread to restrict replication to the tables that match the specified wildcard pattern. To specify more than one table, use the directive multiple times, once for each table. This will work for cross-database updates. Example: replicate-wild-do-table=foo%.bar% will replicate only updates to tables in all databases that start with foo and whose table names start with bar.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"replicate-wild-ignore-table", OPT_REPLICATE_WILD_IGNORE_TABLE,
   "Tells the slave thread to not replicate to the tables that match the given wildcard pattern. To specify more than one table to ignore, use the directive multiple times, once for each table. This will work for cross-database updates. Example: replicate-wild-ignore-table=foo%.bar% will not do updates to tables in databases that start with foo and whose table names start with bar.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5701
  // In replication, we may need to tell the other servers how to connect
5702 5703
  {"report-host", OPT_REPORT_HOST,
   "Hostname or IP of the slave to be reported to to the master during slave registration. Will appear in the output of SHOW SLAVE HOSTS. Leave unset if you do not want the slave to register itself with the master. Note that it is not sufficient for the master to simply read the IP of the slave off the socket once the slave connects. Due to NAT and other routing issues, that IP may not be valid for connecting to the slave from the master or other hosts.",
5704
   (uchar**) &report_host, (uchar**) &report_host, 0, GET_STR, REQUIRED_ARG, 0, 0,
5705
   0, 0, 0, 0},
5706
  {"report-password", OPT_REPORT_PASSWORD, "Undocumented.",
5707
   (uchar**) &report_password, (uchar**) &report_password, 0, GET_STR,
5708 5709 5710
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"report-port", OPT_REPORT_PORT,
   "Port for connecting to slave reported to the master during slave registration. Set it only if the slave is listening on a non-default port or if you have a special tunnel from the master or other clients to the slave. If not sure, leave this option unset.",
5711
   (uchar**) &report_port, (uchar**) &report_port, 0, GET_UINT, REQUIRED_ARG,
5712
   MYSQL_PORT, 0, 0, 0, 0, 0},
5713 5714
  {"report-user", OPT_REPORT_USER, "Undocumented.", (uchar**) &report_user,
   (uchar**) &report_user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5715
  {"rpl-recovery-rank", OPT_RPL_RECOVERY_RANK, "Undocumented.",
5716
   (uchar**) &rpl_recovery_rank, (uchar**) &rpl_recovery_rank, 0, GET_ULONG,
5717 5718 5719
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"safe-mode", OPT_SAFE, "Skip some optimize stages (for testing).",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
5720
#ifndef TO_BE_DELETED
5721
  {"safe-show-database", OPT_SAFE_SHOW_DB,
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5722
   "Deprecated option; use GRANT SHOW DATABASES instead...",
5723
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
5724
#endif
5725
  {"safe-user-create", OPT_SAFE_USER_CREATE,
5726
   "Don't allow new user creation by the user who has no write privileges to the mysql.user table.",
5727
   (uchar**) &opt_safe_user_create, (uchar**) &opt_safe_user_create, 0, GET_BOOL,
5728
   NO_ARG, 0, 0, 0, 0, 0, 0},
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  {"safemalloc-mem-limit", OPT_SAFEMALLOC_MEM_LIMIT,
   "Simulate memory shortage when compiled with the --with-debug=full option.",
   0, 0, 0, GET_ULL, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5732
  {"secure-auth", OPT_SECURE_AUTH, "Disallow authentication for accounts that have old (pre-4.1) passwords.",
5733
   (uchar**) &opt_secure_auth, (uchar**) &opt_secure_auth, 0, GET_BOOL, NO_ARG,
5734
   my_bool(0), 0, 0, 0, 0, 0},
5735 5736
  {"secure-file-priv", OPT_SECURE_FILE_PRIV,
   "Limit LOAD DATA, SELECT ... OUTFILE, and LOAD_FILE() to files within specified directory",
5737
   (uchar**) &opt_secure_file_priv, (uchar**) &opt_secure_file_priv, 0,
5738
   GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5739
  {"server-id",	OPT_SERVER_ID,
5740
   "Uniquely identifies the server instance in the community of replication partners.",
5741
   (uchar**) &server_id, (uchar**) &server_id, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 0,
5742 5743 5744 5745
   0, 0, 0},
  {"set-variable", 'O',
   "Change the value of a variable. Please note that this option is deprecated;you can set variables directly with --variable-name=value.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5746
#ifdef HAVE_SMEM
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5747
  {"shared-memory", OPT_ENABLE_SHARED_MEMORY,
5748
   "Enable the shared memory.",(uchar**) &opt_enable_shared_memory, (uchar**) &opt_enable_shared_memory,
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   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
#ifdef HAVE_SMEM
  {"shared-memory-base-name",OPT_SHARED_MEMORY_BASE_NAME,
5753
   "Base name of shared memory.", (uchar**) &shared_memory_base_name, (uchar**) &shared_memory_base_name,
5754 5755
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif
5756
  {"show-slave-auth-info", OPT_SHOW_SLAVE_AUTH_INFO,
5757
   "Show user and password in SHOW SLAVE HOSTS on this master",
5758
   (uchar**) &opt_show_slave_auth_info, (uchar**) &opt_show_slave_auth_info, 0,
5759
   GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5760
#ifndef DISABLE_GRANT_OPTIONS
5761 5762
  {"skip-grant-tables", OPT_SKIP_GRANT,
   "Start without grant tables. This gives all users FULL ACCESS to all tables!",
5763
   (uchar**) &opt_noacl, (uchar**) &opt_noacl, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0,
5764
   0},
5765
#endif
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5766 5767
  {"skip-host-cache", OPT_SKIP_HOST_CACHE, "Don't cache host names.", 0, 0, 0,
   GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
5768
  {"skip-locking", OPT_SKIP_LOCK,
5769
   "Deprecated option, use --skip-external-locking instead.",
5770 5771
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"skip-name-resolve", OPT_SKIP_RESOLVE,
5772
   "Don't resolve hostnames. All hostnames are IP's or 'localhost'.",
5773 5774 5775 5776 5777 5778
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"skip-networking", OPT_SKIP_NETWORKING,
   "Don't allow connection with TCP/IP.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0,
   0, 0, 0},
  {"skip-new", OPT_SKIP_NEW, "Don't use new, possible wrong routines.",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
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#ifndef DBUG_OFF
#ifdef SAFEMALLOC
  {"skip-safemalloc", OPT_SKIP_SAFEMALLOC,
   "Don't use the memory allocation checking.", 0, 0, 0, GET_NO_ARG, NO_ARG,
   0, 0, 0, 0, 0, 0},
#endif
#endif
5786
  {"skip-show-database", OPT_SKIP_SHOW_DB,
5787
   "Don't allow 'SHOW DATABASE' commands.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0,
5788 5789
   0, 0, 0, 0},
  {"skip-slave-start", OPT_SKIP_SLAVE_START,
5790 5791
   "If set, slave is not autostarted.", (uchar**) &opt_skip_slave_start,
   (uchar**) &opt_skip_slave_start, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
5792
  {"skip-stack-trace", OPT_SKIP_STACK_TRACE,
5793
   "Don't print a stack trace on failure.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0,
5794
   0, 0, 0, 0},
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5795
  {"skip-symlink", OPT_SKIP_SYMLINKS, "Don't allow symlinking of tables. Deprecated option.  Use --skip-symbolic-links instead.",
5796 5797
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"skip-thread-priority", OPT_SKIP_PRIOR,
5798 5799
   "Don't give threads different priorities.", 0, 0, 0, GET_NO_ARG, NO_ARG,
   DEFAULT_SKIP_THREAD_PRIORITY, 0, 0, 0, 0, 0},
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SCRUM  
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5800
#ifdef HAVE_REPLICATION
5801
  {"slave-load-tmpdir", OPT_SLAVE_LOAD_TMPDIR,
5802
   "The location where the slave should put its temporary files when \
5803
replicating a LOAD DATA INFILE command.",
5804
   (uchar**) &slave_load_tmpdir, (uchar**) &slave_load_tmpdir, 0, GET_STR_ALLOC,
5805 5806
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"slave-skip-errors", OPT_SLAVE_SKIP_ERRORS,
5807
   "Tells the slave thread to continue replication when a query returns an error from the provided list.",
5808
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5809
#endif
5810
  {"slow-query-log", OPT_SLOW_LOG,
5811 5812
   "Enable|disable slow query log", (uchar**) &opt_slow_log,
   (uchar**) &opt_slow_log, 0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
5813
  {"socket", OPT_SOCKET, "Socket file to use for connection.",
5814
   (uchar**) &mysqld_unix_port, (uchar**) &mysqld_unix_port, 0, GET_STR,
5815
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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#ifdef HAVE_REPLICATION
  {"sporadic-binlog-dump-fail", OPT_SPORADIC_BINLOG_DUMP_FAIL,
   "Option used by mysql-test for debugging and testing of replication.",
5819 5820
   (uchar**) &opt_sporadic_binlog_dump_fail,
   (uchar**) &opt_sporadic_binlog_dump_fail, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0,
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   0},
#endif /* HAVE_REPLICATION */
5823
  {"sql-bin-update-same", OPT_SQL_BIN_UPDATE_SAME,
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5824 5825
   "The update log is deprecated since version 5.0, is replaced by the binary \
log and this option does nothing anymore.",
5826
   0, 0, 0, GET_DISABLED, NO_ARG, 0, 0, 0, 0, 0, 0},
5827
  {"sql-mode", OPT_SQL_MODE,
5828
   "Syntax: sql-mode=option[,option[,option...]] where option can be one of: REAL_AS_FLOAT, PIPES_AS_CONCAT, ANSI_QUOTES, IGNORE_SPACE, ONLY_FULL_GROUP_BY, NO_UNSIGNED_SUBTRACTION.",
5829
   (uchar**) &sql_mode_str, (uchar**) &sql_mode_str, 0, GET_STR, REQUIRED_ARG, 0,
5830
   0, 0, 0, 0, 0},
5831
#ifdef HAVE_OPENSSL
5832 5833
#include "sslopt-longopts.h"
#endif
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#ifdef __WIN__
  {"standalone", OPT_STANDALONE,
  "Dummy option to start as a standalone program (NT).", 0, 0, 0, GET_NO_ARG,
   NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
  {"symbolic-links", 's', "Enable symbolic link support.",
5840
   (uchar**) &my_use_symdir, (uchar**) &my_use_symdir, 0, GET_BOOL, NO_ARG,
5841 5842 5843 5844 5845
   /*
     The system call realpath() produces warnings under valgrind and
     purify. These are not suppressed: instead we disable symlinks
     option if compiled with valgrind support.
   */
5846
   IF_PURIFY(0,1), 0, 0, 0, 0, 0},
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5847 5848
  {"sysdate-is-now", OPT_SYSDATE_IS_NOW,
   "Non-default option to alias SYSDATE() to NOW() to make it safe-replicable. Since 5.0, SYSDATE() returns a `dynamic' value different for different invocations, even within the same statement.",
5849
   (uchar**) &global_system_variables.sysdate_is_now,
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5850
   0, 0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
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Merge  
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5851
  {"tc-heuristic-recover", OPT_TC_HEURISTIC_RECOVER,
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5852
   "Decision to use in heuristic recover process. Possible values are COMMIT or ROLLBACK.",
5853
   (uchar**) &opt_tc_heuristic_recover, (uchar**) &opt_tc_heuristic_recover,
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5854
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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5855
  {"temp-pool", OPT_TEMP_POOL,
5856
   "Using this option will cause most temporary files created to use a small set of names, rather than a unique name for each new file.",
5857
   (uchar**) &use_temp_pool, (uchar**) &use_temp_pool, 0, GET_BOOL, NO_ARG, 1,
5858
   0, 0, 0, 0, 0},
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Merge  
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5859 5860
  {"timed_mutexes", OPT_TIMED_MUTEXES,
   "Specify whether to time mutexes (only InnoDB mutexes are currently supported)",
5861
   (uchar**) &timed_mutexes, (uchar**) &timed_mutexes, 0, GET_BOOL, NO_ARG, 0, 
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5862
    0, 0, 0, 0, 0},
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  {"tmpdir", 't',
   "Path for temporary files. Several paths may be specified, separated by a "
5865
#if defined(__WIN__) || defined(__NETWARE__)
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5866 5867 5868 5869 5870
   "semicolon (;)"
#else
   "colon (:)"
#endif
   ", in this case they are used in a round-robin fashion.",
5871 5872
   (uchar**) &opt_mysql_tmpdir,
   (uchar**) &opt_mysql_tmpdir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5873
  {"transaction-isolation", OPT_TX_ISOLATION,
5874
   "Default transaction isolation level.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0,
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5875
   0, 0, 0, 0, 0},
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5876
  {"use-symbolic-links", 's', "Enable symbolic link support. Deprecated option; use --symbolic-links instead.",
5877
   (uchar**) &my_use_symdir, (uchar**) &my_use_symdir, 0, GET_BOOL, NO_ARG,
5878
   IF_PURIFY(0,1), 0, 0, 0, 0, 0},
5879
  {"user", 'u', "Run mysqld daemon as user.", 0, 0, 0, GET_STR, REQUIRED_ARG,
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5880
   0, 0, 0, 0, 0, 0},
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5881
  {"verbose", 'v', "Used with --help option for detailed help",
5882
   (uchar**) &opt_verbose, (uchar**) &opt_verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
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paul@kite-hub.kitebird.com committed
5883
   0, 0},
5884
  {"version", 'V', "Output version information and exit.", 0, 0, 0, GET_NO_ARG,
5885
   NO_ARG, 0, 0, 0, 0, 0, 0},
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paul@kite-hub.kitebird.com committed
5886
  {"warnings", 'W', "Deprecated; use --log-warnings instead.",
5887 5888
   (uchar**) &global_system_variables.log_warnings,
   (uchar**) &max_system_variables.log_warnings, 0, GET_ULONG, OPT_ARG, 1, 0, ~0L,
5889 5890
   0, 0, 0},
  { "back_log", OPT_BACK_LOG,
5891
    "The number of outstanding connection requests MySQL can have. This comes into play when the main MySQL thread gets very many connection requests in a very short time.",
5892
    (uchar**) &back_log, (uchar**) &back_log, 0, GET_ULONG,
5893 5894 5895
    REQUIRED_ARG, 50, 1, 65535, 0, 1, 0 },
  {"binlog_cache_size", OPT_BINLOG_CACHE_SIZE,
   "The size of the cache to hold the SQL statements for the binary log during a transaction. If you often use big, multi-statement transactions you can increase this to get more performance.",
5896
   (uchar**) &binlog_cache_size, (uchar**) &binlog_cache_size, 0, GET_ULONG,
5897
   REQUIRED_ARG, 32*1024L, IO_SIZE, ~0L, 0, IO_SIZE, 0},
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5898 5899
  {"bulk_insert_buffer_size", OPT_BULK_INSERT_BUFFER_SIZE,
   "Size of tree cache used in bulk insert optimisation. Note that this is a limit per thread!",
5900 5901
   (uchar**) &global_system_variables.bulk_insert_buff_size,
   (uchar**) &max_system_variables.bulk_insert_buff_size,
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
5902
   0, GET_ULONG, REQUIRED_ARG, 8192*1024, 0, ~0L, 0, 1, 0},
5903
  {"connect_timeout", OPT_CONNECT_TIMEOUT,
5904
   "The number of seconds the mysqld server is waiting for a connect packet before responding with 'Bad handshake'.",
5905
    (uchar**) &connect_timeout, (uchar**) &connect_timeout,
5906
   0, GET_ULONG, REQUIRED_ARG, CONNECT_TIMEOUT, 2, LONG_TIMEOUT, 0, 1, 0 },
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5907 5908
  { "date_format", OPT_DATE_FORMAT,
    "The DATE format (For future).",
5909 5910
    (uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATE],
    (uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATE],
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5911 5912 5913
    0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  { "datetime_format", OPT_DATETIME_FORMAT,
    "The DATETIME/TIMESTAMP format (for future).",
5914 5915
    (uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATETIME],
    (uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATETIME],
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5916 5917 5918
    0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  { "default_week_format", OPT_DEFAULT_WEEK_FORMAT,
    "The default week format used by WEEK() functions.",
5919 5920
    (uchar**) &global_system_variables.default_week_format,
    (uchar**) &max_system_variables.default_week_format,
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paul@kite-hub.kitebird.com committed
5921
    0, GET_ULONG, REQUIRED_ARG, 0, 0, 7L, 0, 1, 0},
5922 5923
  {"delayed_insert_limit", OPT_DELAYED_INSERT_LIMIT,
   "After inserting delayed_insert_limit rows, the INSERT DELAYED handler will check if there are any SELECT statements pending. If so, it allows these to execute before continuing.",
5924
    (uchar**) &delayed_insert_limit, (uchar**) &delayed_insert_limit, 0, GET_ULONG,
5925
    REQUIRED_ARG, DELAYED_LIMIT, 1, ~0L, 0, 1, 0},
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5926 5927
  {"delayed_insert_timeout", OPT_DELAYED_INSERT_TIMEOUT,
   "How long a INSERT DELAYED thread should wait for INSERT statements before terminating.",
5928
   (uchar**) &delayed_insert_timeout, (uchar**) &delayed_insert_timeout, 0,
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paul@kite-hub.kitebird.com committed
5929
   GET_ULONG, REQUIRED_ARG, DELAYED_WAIT_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
5930 5931
  { "delayed_queue_size", OPT_DELAYED_QUEUE_SIZE,
    "What size queue (in rows) should be allocated for handling INSERT DELAYED. If the queue becomes full, any client that does INSERT DELAYED will wait until there is room in the queue again.",
5932
    (uchar**) &delayed_queue_size, (uchar**) &delayed_queue_size, 0, GET_ULONG,
5933
    REQUIRED_ARG, DELAYED_QUEUE_SIZE, 1, ~0L, 0, 1, 0},
paul@snake-hub.snake.net's avatar
paul@snake-hub.snake.net committed
5934 5935
  {"div_precision_increment", OPT_DIV_PRECINCREMENT,
   "Precision of the result of '/' operator will be increased on that value.",
5936 5937
   (uchar**) &global_system_variables.div_precincrement,
   (uchar**) &max_system_variables.div_precincrement, 0, GET_ULONG,
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5938
   REQUIRED_ARG, 4, 0, DECIMAL_MAX_SCALE, 0, 0, 0},
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paul@kite-hub.kitebird.com committed
5939
  {"expire_logs_days", OPT_EXPIRE_LOGS_DAYS,
5940 5941
   "If non-zero, binary logs will be purged after expire_logs_days "
   "days; possible purges happen at startup and at binary log rotation.",
5942 5943
   (uchar**) &expire_logs_days,
   (uchar**) &expire_logs_days, 0, GET_ULONG,
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paul@kite-hub.kitebird.com committed
5944
   REQUIRED_ARG, 0, 0, 99, 0, 1, 0},
5945 5946
  { "flush_time", OPT_FLUSH_TIME,
    "A dedicated thread is created to flush all tables at the given interval.",
5947
    (uchar**) &flush_time, (uchar**) &flush_time, 0, GET_ULONG, REQUIRED_ARG,
5948
    FLUSH_TIME, 0, LONG_TIMEOUT, 0, 1, 0},
5949 5950 5951 5952
  { "ft_boolean_syntax", OPT_FT_BOOLEAN_SYNTAX,
    "List of operators for MATCH ... AGAINST ( ... IN BOOLEAN MODE)",
    0, 0, 0, GET_STR,
    REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
5953 5954
  { "ft_max_word_len", OPT_FT_MAX_WORD_LEN,
    "The maximum length of the word to be included in a FULLTEXT index. Note: FULLTEXT indexes must be rebuilt after changing this variable.",
5955
    (uchar**) &ft_max_word_len, (uchar**) &ft_max_word_len, 0, GET_ULONG,
5956
    REQUIRED_ARG, HA_FT_MAXCHARLEN, 10, HA_FT_MAXCHARLEN, 0, 1, 0},
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5957 5958
  { "ft_min_word_len", OPT_FT_MIN_WORD_LEN,
    "The minimum length of the word to be included in a FULLTEXT index. Note: FULLTEXT indexes must be rebuilt after changing this variable.",
5959
    (uchar**) &ft_min_word_len, (uchar**) &ft_min_word_len, 0, GET_ULONG,
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5960
    REQUIRED_ARG, 4, 1, HA_FT_MAXCHARLEN, 0, 1, 0},
5961 5962
  { "ft_query_expansion_limit", OPT_FT_QUERY_EXPANSION_LIMIT,
    "Number of best matches to use for query expansion",
5963
    (uchar**) &ft_query_expansion_limit, (uchar**) &ft_query_expansion_limit, 0, GET_ULONG,
5964
    REQUIRED_ARG, 20, 0, 1000, 0, 1, 0},
5965 5966
  { "ft_stopword_file", OPT_FT_STOPWORD_FILE,
    "Use stopwords from this file instead of built-in list.",
5967
    (uchar**) &ft_stopword_file, (uchar**) &ft_stopword_file, 0, GET_STR,
5968
    REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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5969 5970
  { "group_concat_max_len", OPT_GROUP_CONCAT_MAX_LEN,
    "The maximum length of the result of function  group_concat.",
5971 5972
    (uchar**) &global_system_variables.group_concat_max_len,
    (uchar**) &max_system_variables.group_concat_max_len, 0, GET_ULONG,
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5973
    REQUIRED_ARG, 1024, 4, (long) ~0, 0, 1, 0},
5974 5975
  {"interactive_timeout", OPT_INTERACTIVE_TIMEOUT,
   "The number of seconds the server waits for activity on an interactive connection before closing it.",
5976 5977
   (uchar**) &global_system_variables.net_interactive_timeout,
   (uchar**) &max_system_variables.net_interactive_timeout, 0,
5978 5979 5980
   GET_ULONG, REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
  {"join_buffer_size", OPT_JOIN_BUFF_SIZE,
   "The size of the buffer that is used for full joins.",
5981 5982
   (uchar**) &global_system_variables.join_buff_size,
   (uchar**) &max_system_variables.join_buff_size, 0, GET_ULONG,
5983 5984
   REQUIRED_ARG, 128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD,
   IO_SIZE, 0},
5985 5986
  {"keep_files_on_create", OPT_KEEP_FILES_ON_CREATE,
   "Don't overwrite stale .MYD and .MYI even if no directory is specified.",
evgen@moonbone.local's avatar
evgen@moonbone.local committed
5987 5988
   (uchar**) &global_system_variables.keep_files_on_create,
   (uchar**) &max_system_variables.keep_files_on_create,
5989
   0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
5990
  {"key_buffer_size", OPT_KEY_BUFFER_SIZE,
5991
   "The size of the buffer used for index blocks for MyISAM tables. Increase this to get better index handling (for all reads and multiple writes) to as much as you can afford; 64M on a 256M machine that mainly runs MySQL is quite common.",
5992 5993
   (uchar**) &dflt_key_cache_var.param_buff_size,
   (uchar**) 0,
5994
   0, (GET_ULL | GET_ASK_ADDR),
5995
   REQUIRED_ARG, KEY_CACHE_SIZE, MALLOC_OVERHEAD, SIZE_T_MAX, MALLOC_OVERHEAD,
5996
   IO_SIZE, 0},
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
5997 5998
  {"key_cache_age_threshold", OPT_KEY_CACHE_AGE_THRESHOLD,
   "This characterizes the number of hits a hot block has to be untouched until it is considered aged enough to be downgraded to a warm block. This specifies the percentage ratio of that number of hits to the total number of blocks in key cache",
5999 6000
   (uchar**) &dflt_key_cache_var.param_age_threshold,
   (uchar**) 0,
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paul@kite-hub.kitebird.com committed
6001 6002
   0, (GET_ULONG | GET_ASK_ADDR), REQUIRED_ARG, 
   300, 100, ~0L, 0, 100, 0},
igor@rurik.mysql.com's avatar
igor@rurik.mysql.com committed
6003 6004
  {"key_cache_block_size", OPT_KEY_CACHE_BLOCK_SIZE,
   "The default size of key cache blocks",
6005 6006
   (uchar**) &dflt_key_cache_var.param_block_size,
   (uchar**) 0,
6007
   0, (GET_ULONG | GET_ASK_ADDR), REQUIRED_ARG,
6008
   KEY_CACHE_BLOCK_SIZE, 512, 1024 * 16, 0, 512, 0},
6009 6010
  {"key_cache_division_limit", OPT_KEY_CACHE_DIVISION_LIMIT,
   "The minimum percentage of warm blocks in key cache",
6011 6012
   (uchar**) &dflt_key_cache_var.param_division_limit,
   (uchar**) 0,
6013
   0, (GET_ULONG | GET_ASK_ADDR) , REQUIRED_ARG, 100,
6014
   1, 100, 0, 1, 0},
6015
  {"long_query_time", OPT_LONG_QUERY_TIME,
6016 6017 6018 6019
   "Log all queries that have taken more than long_query_time seconds to execute to file. "
   "The argument will be treated as a decimal value with microsecond precission.",
   (uchar**) &long_query_time, (uchar**) &long_query_time, 0, GET_DOUBLE,
   REQUIRED_ARG, 10, 0, LONG_TIMEOUT, 0, 0, 0},
6020
  {"lower_case_table_names", OPT_LOWER_CASE_TABLE_NAMES,
6021
   "If set to 1 table names are stored in lowercase on disk and table names will be case-insensitive.  Should be set to 2 if you are using a case insensitive file system",
6022 6023
   (uchar**) &lower_case_table_names,
   (uchar**) &lower_case_table_names, 0, GET_UINT, OPT_ARG,
6024 6025 6026 6027 6028
#ifdef FN_NO_CASE_SENCE
    1
#else
    0
#endif
6029
   , 0, 2, 0, 1, 0},
6030 6031
  {"max_allowed_packet", OPT_MAX_ALLOWED_PACKET,
   "Max packetlength to send/receive from to server.",
6032 6033
   (uchar**) &global_system_variables.max_allowed_packet,
   (uchar**) &max_system_variables.max_allowed_packet, 0, GET_ULONG,
6034
   REQUIRED_ARG, 1024*1024L, 1024, 1024L*1024L*1024L, MALLOC_OVERHEAD, 1024, 0},
6035 6036
  {"max_binlog_cache_size", OPT_MAX_BINLOG_CACHE_SIZE,
   "Can be used to restrict the total size used to cache a multi-transaction query.",
6037
   (uchar**) &max_binlog_cache_size, (uchar**) &max_binlog_cache_size, 0,
6038 6039
   GET_ULONG, REQUIRED_ARG, ~0L, IO_SIZE, ~0L, 0, IO_SIZE, 0},
  {"max_binlog_size", OPT_MAX_BINLOG_SIZE,
6040 6041 6042
   "Binary log will be rotated automatically when the size exceeds this \
value. Will also apply to relay logs if max_relay_log_size is 0. \
The minimum value for this variable is 4096.",
6043
   (uchar**) &max_binlog_size, (uchar**) &max_binlog_size, 0, GET_ULONG,
6044
   REQUIRED_ARG, 1024*1024L*1024L, IO_SIZE, 1024*1024L*1024L, 0, IO_SIZE, 0},
6045 6046
  {"max_connect_errors", OPT_MAX_CONNECT_ERRORS,
   "If there is more than this number of interrupted connections from a host this host will be blocked from further connections.",
6047
   (uchar**) &max_connect_errors, (uchar**) &max_connect_errors, 0, GET_ULONG,
6048
    REQUIRED_ARG, MAX_CONNECT_ERRORS, 1, ~0L, 0, 1, 0},
6049 6050
  // Default max_connections of 151 is larger than Apache's default max
  // children, to avoid "too many connections" error in a common setup
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paul@kite-hub.kitebird.com committed
6051
  {"max_connections", OPT_MAX_CONNECTIONS,
6052 6053
   "The number of simultaneous clients allowed.", (uchar**) &max_connections,
   (uchar**) &max_connections, 0, GET_ULONG, REQUIRED_ARG, 151, 1, 100000, 0, 1,
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paul@kite-hub.kitebird.com committed
6054
   0},
6055
  {"max_delayed_threads", OPT_MAX_DELAYED_THREADS,
6056
   "Don't start more than this number of threads to handle INSERT DELAYED statements. If set to zero, which means INSERT DELAYED is not used.",
6057 6058
   (uchar**) &global_system_variables.max_insert_delayed_threads,
   (uchar**) &max_system_variables.max_insert_delayed_threads,
6059
   0, GET_ULONG, REQUIRED_ARG, 20, 0, 16384, 0, 1, 0},
6060
  {"max_error_count", OPT_MAX_ERROR_COUNT,
6061
   "Max number of errors/warnings to store for a statement.",
6062 6063
   (uchar**) &global_system_variables.max_error_count,
   (uchar**) &max_system_variables.max_error_count,
6064
   0, GET_ULONG, REQUIRED_ARG, DEFAULT_ERROR_COUNT, 0, 65535, 0, 1, 0},
6065 6066
  {"max_heap_table_size", OPT_MAX_HEP_TABLE_SIZE,
   "Don't allow creation of heap tables bigger than this.",
6067 6068
   (uchar**) &global_system_variables.max_heap_table_size,
   (uchar**) &max_system_variables.max_heap_table_size, 0, GET_ULL,
6069 6070
   REQUIRED_ARG, 16*1024*1024L, 16384, MAX_MEM_TABLE_SIZE,
   MALLOC_OVERHEAD, 1024, 0},
6071 6072
  {"max_join_size", OPT_MAX_JOIN_SIZE,
   "Joins that are probably going to read more than max_join_size records return an error.",
6073 6074
   (uchar**) &global_system_variables.max_join_size,
   (uchar**) &max_system_variables.max_join_size, 0, GET_HA_ROWS, REQUIRED_ARG,
6075
   ~0L, 1, ~0L, 0, 1, 0},
igor@hundin.mysql.fi's avatar
igor@hundin.mysql.fi committed
6076
   {"max_length_for_sort_data", OPT_MAX_LENGTH_FOR_SORT_DATA,
6077
    "Max number of bytes in sorted records.",
6078 6079
    (uchar**) &global_system_variables.max_length_for_sort_data,
    (uchar**) &max_system_variables.max_length_for_sort_data, 0, GET_ULONG,
igor@hundin.mysql.fi's avatar
igor@hundin.mysql.fi committed
6080
    REQUIRED_ARG, 1024, 4, 8192*1024L, 0, 1, 0},
6081
  {"max_prepared_stmt_count", OPT_MAX_PREPARED_STMT_COUNT,
6082
   "Maximum number of prepared statements in the server.",
6083
   (uchar**) &max_prepared_stmt_count, (uchar**) &max_prepared_stmt_count,
6084
   0, GET_ULONG, REQUIRED_ARG, 16382, 0, 1*1024*1024, 0, 1, 0},
6085
  {"max_relay_log_size", OPT_MAX_RELAY_LOG_SIZE,
6086
   "If non-zero: relay log will be rotated automatically when the size exceeds this value; if zero (the default): when the size exceeds max_binlog_size. 0 excepted, the minimum value for this variable is 4096.",
6087
   (uchar**) &max_relay_log_size, (uchar**) &max_relay_log_size, 0, GET_ULONG,
6088
   REQUIRED_ARG, 0L, 0L, 1024*1024L*1024L, 0, IO_SIZE, 0},
6089 6090
  { "max_seeks_for_key", OPT_MAX_SEEKS_FOR_KEY,
    "Limit assumed max number of seeks when looking up rows based on a key",
6091 6092
    (uchar**) &global_system_variables.max_seeks_for_key,
    (uchar**) &max_system_variables.max_seeks_for_key, 0, GET_ULONG,
6093
    REQUIRED_ARG, ~0L, 1, ~0L, 0, 1, 0 },
6094 6095
  {"max_sort_length", OPT_MAX_SORT_LENGTH,
   "The number of bytes to use when sorting BLOB or TEXT values (only the first max_sort_length bytes of each value are used; the rest are ignored).",
6096 6097
   (uchar**) &global_system_variables.max_sort_length,
   (uchar**) &max_system_variables.max_sort_length, 0, GET_ULONG,
6098
   REQUIRED_ARG, 1024, 4, 8192*1024L, 0, 1, 0},
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paul@snake-hub.snake.net committed
6099 6100
  {"max_sp_recursion_depth", OPT_MAX_SP_RECURSION_DEPTH,
   "Maximum stored procedure recursion depth. (discussed with docs).",
6101 6102
   (uchar**) &global_system_variables.max_sp_recursion_depth,
   (uchar**) &max_system_variables.max_sp_recursion_depth, 0, GET_ULONG,
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6103
   OPT_ARG, 0, 0, 255, 0, 1, 0 },
6104 6105
  {"max_tmp_tables", OPT_MAX_TMP_TABLES,
   "Maximum number of temporary tables a client can keep open at a time.",
6106 6107
   (uchar**) &global_system_variables.max_tmp_tables,
   (uchar**) &max_system_variables.max_tmp_tables, 0, GET_ULONG,
6108 6109 6110
   REQUIRED_ARG, 32, 1, ~0L, 0, 1, 0},
  {"max_user_connections", OPT_MAX_USER_CONNECTIONS,
   "The maximum number of active connections for a single user (0 = no limit).",
6111
   (uchar**) &max_user_connections, (uchar**) &max_user_connections, 0, GET_UINT,
ingo@mysql.com's avatar
Merge  
ingo@mysql.com committed
6112
   REQUIRED_ARG, 0, 1, ~0, 0, 1, 0},
6113 6114
  {"max_write_lock_count", OPT_MAX_WRITE_LOCK_COUNT,
   "After this many write locks, allow some read locks to run in between.",
6115
   (uchar**) &max_write_lock_count, (uchar**) &max_write_lock_count, 0, GET_ULONG,
6116
   REQUIRED_ARG, ~0L, 1, ~0L, 0, 1, 0},
6117 6118 6119 6120 6121
  {"min_examined_row_limit", OPT_MIN_EXAMINED_ROW_LIMIT,
   "Don't log queries which examine less than min_examined_row_limit rows to file.",
   (uchar**) &global_system_variables.min_examined_row_limit,
   (uchar**) &max_system_variables.min_examined_row_limit, 0, GET_ULONG,
  REQUIRED_ARG, 0, 0, ~0L, 0, 1L, 0},
ingo@mysql.com's avatar
Merge  
ingo@mysql.com committed
6122 6123
  {"multi_range_count", OPT_MULTI_RANGE_COUNT,
   "Number of key ranges to request at once.",
6124 6125
   (uchar**) &global_system_variables.multi_range_count,
   (uchar**) &max_system_variables.multi_range_count, 0,
ingo@mysql.com's avatar
Merge  
ingo@mysql.com committed
6126
   GET_ULONG, REQUIRED_ARG, 256, 1, ~0L, 0, 1, 0},
6127
  {"myisam_block_size", OPT_MYISAM_BLOCK_SIZE,
6128
   "Block size to be used for MyISAM index pages.",
6129 6130
   (uchar**) &opt_myisam_block_size,
   (uchar**) &opt_myisam_block_size, 0, GET_ULONG, REQUIRED_ARG,
6131 6132
   MI_KEY_BLOCK_LENGTH, MI_MIN_KEY_BLOCK_LENGTH, MI_MAX_KEY_BLOCK_LENGTH,
   0, MI_MIN_KEY_BLOCK_LENGTH, 0},
serg@serg.mylan's avatar
serg@serg.mylan committed
6133 6134
  {"myisam_data_pointer_size", OPT_MYISAM_DATA_POINTER_SIZE,
   "Default pointer size to be used for MyISAM tables.",
6135 6136
   (uchar**) &myisam_data_pointer_size,
   (uchar**) &myisam_data_pointer_size, 0, GET_ULONG, REQUIRED_ARG,
monty@mysql.com's avatar
monty@mysql.com committed
6137
   6, 2, 7, 0, 1, 0},
6138
  {"myisam_max_extra_sort_file_size", OPT_MYISAM_MAX_EXTRA_SORT_FILE_SIZE,
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paul@frost.snake.net committed
6139
   "Deprecated option",
6140 6141
   (uchar**) &global_system_variables.myisam_max_extra_sort_file_size,
   (uchar**) &max_system_variables.myisam_max_extra_sort_file_size,
6142
   0, GET_ULL, REQUIRED_ARG, (ulonglong) MI_MAX_TEMP_LENGTH,
6143
   0, (ulonglong) MAX_FILE_SIZE, 0, 1, 0},
6144
  {"myisam_max_sort_file_size", OPT_MYISAM_MAX_SORT_FILE_SIZE,
6145
   "Don't use the fast sort index method to created index if the temporary file would get bigger than this.",
6146 6147
   (uchar**) &global_system_variables.myisam_max_sort_file_size,
   (uchar**) &max_system_variables.myisam_max_sort_file_size, 0,
6148 6149
   GET_ULL, REQUIRED_ARG, (longlong) LONG_MAX, 0, (ulonglong) MAX_FILE_SIZE,
   0, 1024*1024, 0},
6150 6151
  {"myisam_repair_threads", OPT_MYISAM_REPAIR_THREADS,
   "Number of threads to use when repairing MyISAM tables. The value of 1 disables parallel repair.",
6152 6153
   (uchar**) &global_system_variables.myisam_repair_threads,
   (uchar**) &max_system_variables.myisam_repair_threads, 0,
6154
   GET_ULONG, REQUIRED_ARG, 1, 1, ~0L, 0, 1, 0},
6155 6156
  {"myisam_sort_buffer_size", OPT_MYISAM_SORT_BUFFER_SIZE,
   "The buffer that is allocated when sorting the index when doing a REPAIR or when creating indexes with CREATE INDEX or ALTER TABLE.",
6157 6158
   (uchar**) &global_system_variables.myisam_sort_buff_size,
   (uchar**) &max_system_variables.myisam_sort_buff_size, 0,
6159
   GET_ULONG, REQUIRED_ARG, 8192*1024, 4, ~0L, 0, 1, 0},
vtkachenko@quadxeon.mysql.com's avatar
vtkachenko@quadxeon.mysql.com committed
6160
  {"myisam_use_mmap", OPT_MYISAM_USE_MMAP,
vtkachenko@quadxeon.mysql.com's avatar
vtkachenko@quadxeon.mysql.com committed
6161
   "Use memory mapping for reading and writing MyISAM tables",
6162 6163
   (uchar**) &opt_myisam_use_mmap,
   (uchar**) &opt_myisam_use_mmap, 0, GET_BOOL, NO_ARG, 0, 
vtkachenko@quadxeon.mysql.com's avatar
vtkachenko@quadxeon.mysql.com committed
6164
    0, 0, 0, 0, 0},
6165 6166
  {"myisam_stats_method", OPT_MYISAM_STATS_METHOD,
   "Specifies how MyISAM index statistics collection code should threat NULLs. "
6167 6168
   "Possible values of name are \"nulls_unequal\" (default behavior for 4.1/5.0), "
   "\"nulls_equal\" (emulate 4.0 behavior), and \"nulls_ignored\".",
6169
   (uchar**) &myisam_stats_method_str, (uchar**) &myisam_stats_method_str, 0,
6170
    GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
6171
  {"net_buffer_length", OPT_NET_BUFFER_LENGTH,
6172
   "Buffer length for TCP/IP and socket communication.",
6173 6174
   (uchar**) &global_system_variables.net_buffer_length,
   (uchar**) &max_system_variables.net_buffer_length, 0, GET_ULONG,
6175
   REQUIRED_ARG, 16384, 1024, 1024*1024L, 0, 1024, 0},
6176 6177
  {"net_read_timeout", OPT_NET_READ_TIMEOUT,
   "Number of seconds to wait for more data from a connection before aborting the read.",
6178 6179
   (uchar**) &global_system_variables.net_read_timeout,
   (uchar**) &max_system_variables.net_read_timeout, 0, GET_ULONG,
6180
   REQUIRED_ARG, NET_READ_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6181 6182
  {"net_retry_count", OPT_NET_RETRY_COUNT,
   "If a read on a communication port is interrupted, retry this many times before giving up.",
6183 6184
   (uchar**) &global_system_variables.net_retry_count,
   (uchar**) &max_system_variables.net_retry_count,0,
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6185
   GET_ULONG, REQUIRED_ARG, MYSQLD_NET_RETRY_COUNT, 1, ~0L, 0, 1, 0},
6186 6187
  {"net_write_timeout", OPT_NET_WRITE_TIMEOUT,
   "Number of seconds to wait for a block to be written to a connection  before aborting the write.",
6188 6189
   (uchar**) &global_system_variables.net_write_timeout,
   (uchar**) &max_system_variables.net_write_timeout, 0, GET_ULONG,
6190
   REQUIRED_ARG, NET_WRITE_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
gkodinov/kgeorge@magare.gmz's avatar
gkodinov/kgeorge@magare.gmz committed
6191
  { "old", OPT_OLD_MODE, "Use compatible behavior.", 
6192 6193
    (uchar**) &global_system_variables.old_mode,
    (uchar**) &max_system_variables.old_mode, 0, GET_BOOL, NO_ARG, 
6194
    0, 0, 0, 0, 0, 0},
6195 6196
  {"open_files_limit", OPT_OPEN_FILES_LIMIT,
   "If this is not 0, then mysqld will use this value to reserve file descriptors to use with setrlimit(). If this value is 0 then mysqld will reserve max_connections*5 or max_connections + table_cache*2 (whichever is larger) number of files.",
6197
   (uchar**) &open_files_limit, (uchar**) &open_files_limit, 0, GET_ULONG,
6198
   REQUIRED_ARG, 0, 0, OS_FILE_LIMIT, 0, 1, 0},
ingo@mysql.com's avatar
Merge  
ingo@mysql.com committed
6199 6200
  {"optimizer_prune_level", OPT_OPTIMIZER_PRUNE_LEVEL,
   "Controls the heuristic(s) applied during query optimization to prune less-promising partial plans from the optimizer search space. Meaning: 0 - do not apply any heuristic, thus perform exhaustive search; 1 - prune plans based on number of retrieved rows.",
6201 6202
   (uchar**) &global_system_variables.optimizer_prune_level,
   (uchar**) &max_system_variables.optimizer_prune_level,
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Merge  
ingo@mysql.com committed
6203 6204 6205
   0, GET_ULONG, OPT_ARG, 1, 0, 1, 0, 1, 0},
  {"optimizer_search_depth", OPT_OPTIMIZER_SEARCH_DEPTH,
   "Maximum depth of search performed by the query optimizer. Values larger than the number of relations in a query result in better query plans, but take longer to compile a query. Smaller values than the number of tables in a relation result in faster optimization, but may produce very bad query plans. If set to 0, the system will automatically pick a reasonable value; if set to MAX_TABLES+2, the optimizer will switch to the original find_best (used for testing/comparison).",
6206 6207
   (uchar**) &global_system_variables.optimizer_search_depth,
   (uchar**) &max_system_variables.optimizer_search_depth,
ingo@mysql.com's avatar
Merge  
ingo@mysql.com committed
6208
   0, GET_ULONG, OPT_ARG, MAX_TABLES+1, 0, MAX_TABLES+2, 0, 1, 0},
6209 6210
  {"plugin_dir", OPT_PLUGIN_DIR,
   "Directory for plugins.",
6211
   (uchar**) &opt_plugin_dir_ptr, (uchar**) &opt_plugin_dir_ptr, 0,
6212
   GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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antony@ppcg5.local committed
6213 6214 6215
  {"plugin_load", OPT_PLUGIN_LOAD,
   "Optional colon separated list of plugins to load, where each plugin is "
   "identified by name and path to library seperated by an equals.",
6216
   (uchar**) &opt_plugin_load, (uchar**) &opt_plugin_load, 0,
antony@ppcg5.local's avatar
antony@ppcg5.local committed
6217
   GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
6218
  {"preload_buffer_size", OPT_PRELOAD_BUFFER_SIZE,
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igor@rurik.mysql.com committed
6219
    "The size of the buffer that is allocated when preloading indexes",
6220 6221
    (uchar**) &global_system_variables.preload_buff_size,
    (uchar**) &max_system_variables.preload_buff_size, 0, GET_ULONG,
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6222
    REQUIRED_ARG, 32*1024L, 1024, 1024*1024*1024L, 0, 1, 0},
6223 6224
  {"query_alloc_block_size", OPT_QUERY_ALLOC_BLOCK_SIZE,
   "Allocation block size for query parsing and execution",
6225 6226
   (uchar**) &global_system_variables.query_alloc_block_size,
   (uchar**) &max_system_variables.query_alloc_block_size, 0, GET_ULONG,
6227
   REQUIRED_ARG, QUERY_ALLOC_BLOCK_SIZE, 1024, ~0L, 0, 1024, 0},
6228
#ifdef HAVE_QUERY_CACHE
6229 6230
  {"query_cache_limit", OPT_QUERY_CACHE_LIMIT,
   "Don't cache results that are bigger than this.",
6231
   (uchar**) &query_cache_limit, (uchar**) &query_cache_limit, 0, GET_ULONG,
6232
   REQUIRED_ARG, 1024*1024L, 0, (longlong) ULONG_MAX, 0, 1, 0},
6233 6234
  {"query_cache_min_res_unit", OPT_QUERY_CACHE_MIN_RES_UNIT,
   "minimal size of unit in wich space for results is allocated (last unit will be trimed after writing all result data.",
6235
   (uchar**) &query_cache_min_res_unit, (uchar**) &query_cache_min_res_unit,
6236 6237
   0, GET_ULONG, REQUIRED_ARG, QUERY_CACHE_MIN_RESULT_DATA_SIZE,
   0, (longlong) ULONG_MAX, 0, 1, 0},
6238
#endif /*HAVE_QUERY_CACHE*/
6239 6240
  {"query_cache_size", OPT_QUERY_CACHE_SIZE,
   "The memory allocated to store results from old queries.",
6241
   (uchar**) &query_cache_size, (uchar**) &query_cache_size, 0, GET_ULONG,
6242
   REQUIRED_ARG, 0, 0, (longlong) ULONG_MAX, 0, 1024, 0},
6243
#ifdef HAVE_QUERY_CACHE
6244
  {"query_cache_type", OPT_QUERY_CACHE_TYPE,
6245
   "0 = OFF = Don't cache or retrieve results. 1 = ON = Cache all results except SELECT SQL_NO_CACHE ... queries. 2 = DEMAND = Cache only SELECT SQL_CACHE ... queries.",
6246 6247
   (uchar**) &global_system_variables.query_cache_type,
   (uchar**) &max_system_variables.query_cache_type,
6248
   0, GET_ULONG, REQUIRED_ARG, 1, 0, 2, 0, 1, 0},
6249 6250
  {"query_cache_wlock_invalidate", OPT_QUERY_CACHE_WLOCK_INVALIDATE,
   "Invalidate queries in query cache on LOCK for write",
6251 6252
   (uchar**) &global_system_variables.query_cache_wlock_invalidate,
   (uchar**) &max_system_variables.query_cache_wlock_invalidate,
6253 6254
   0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
#endif /*HAVE_QUERY_CACHE*/
6255 6256
  {"query_prealloc_size", OPT_QUERY_PREALLOC_SIZE,
   "Persistent buffer for query parsing and execution",
6257 6258
   (uchar**) &global_system_variables.query_prealloc_size,
   (uchar**) &max_system_variables.query_prealloc_size, 0, GET_ULONG,
6259 6260
   REQUIRED_ARG, QUERY_ALLOC_PREALLOC_SIZE, QUERY_ALLOC_PREALLOC_SIZE,
   ~0L, 0, 1024, 0},
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6261 6262
  {"range_alloc_block_size", OPT_RANGE_ALLOC_BLOCK_SIZE,
   "Allocation block size for storing ranges during optimization",
6263 6264
   (uchar**) &global_system_variables.range_alloc_block_size,
   (uchar**) &max_system_variables.range_alloc_block_size, 0, GET_ULONG,
6265
   REQUIRED_ARG, RANGE_ALLOC_BLOCK_SIZE, 4096, ~0L, 0, 1024, 0},
6266
  {"read_buffer_size", OPT_RECORD_BUFFER,
6267
   "Each thread that does a sequential scan allocates a buffer of this size for each table it scans. If you do many sequential scans, you may want to increase this value.",
6268 6269
   (uchar**) &global_system_variables.read_buff_size,
   (uchar**) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG,
6270
   128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, INT_MAX32, MALLOC_OVERHEAD, IO_SIZE,
6271
   0},
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6272
  {"read_only", OPT_READONLY,
6273
   "Make all non-temporary tables read-only, with the exception for replication (slave) threads and users with the SUPER privilege",
6274 6275
   (uchar**) &opt_readonly,
   (uchar**) &opt_readonly,
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6276
   0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
6277
  {"read_rnd_buffer_size", OPT_RECORD_RND_BUFFER,
6278
   "When reading rows in sorted order after a sort, the rows are read through this buffer to avoid a disk seeks. If not set, then it's set to the value of record_buffer.",
6279 6280
   (uchar**) &global_system_variables.read_rnd_buff_size,
   (uchar**) &max_system_variables.read_rnd_buff_size, 0,
6281
   GET_ULONG, REQUIRED_ARG, 256*1024L, IO_SIZE*2+MALLOC_OVERHEAD,
6282
   INT_MAX32, MALLOC_OVERHEAD, IO_SIZE, 0},
6283 6284
  {"record_buffer", OPT_RECORD_BUFFER,
   "Alias for read_buffer_size",
6285 6286
   (uchar**) &global_system_variables.read_buff_size,
   (uchar**) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG,
6287
   128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, INT_MAX32, MALLOC_OVERHEAD, IO_SIZE, 0},
hf@deer.mysql.r18.ru's avatar
SCRUM  
hf@deer.mysql.r18.ru committed
6288
#ifdef HAVE_REPLICATION
6289 6290
  {"relay_log_purge", OPT_RELAY_LOG_PURGE,
   "0 = do not purge relay logs. 1 = purge them as soon as they are no more needed.",
6291 6292
   (uchar**) &relay_log_purge,
   (uchar**) &relay_log_purge, 0, GET_BOOL, NO_ARG,
6293
   1, 0, 1, 0, 1, 0},
6294
  {"relay_log_space_limit", OPT_RELAY_LOG_SPACE_LIMIT,
6295
   "Maximum space to use for all relay logs.",
6296 6297
   (uchar**) &relay_log_space_limit,
   (uchar**) &relay_log_space_limit, 0, GET_ULL, REQUIRED_ARG, 0L, 0L,
6298
   (longlong) ULONG_MAX, 0, 1, 0},
6299
  {"slave_compressed_protocol", OPT_SLAVE_COMPRESSED_PROTOCOL,
6300
   "Use compression on master/slave protocol.",
6301 6302
   (uchar**) &opt_slave_compressed_protocol,
   (uchar**) &opt_slave_compressed_protocol,
6303
   0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
6304
  {"slave_net_timeout", OPT_SLAVE_NET_TIMEOUT,
6305
   "Number of seconds to wait for more data from a master/slave connection before aborting the read.",
6306
   (uchar**) &slave_net_timeout, (uchar**) &slave_net_timeout, 0,
6307
   GET_ULONG, REQUIRED_ARG, SLAVE_NET_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
6308 6309 6310 6311
  {"slave_transaction_retries", OPT_SLAVE_TRANS_RETRIES,
   "Number of times the slave SQL thread will retry a transaction in case "
   "it failed with a deadlock or elapsed lock wait timeout, "
   "before giving up and stopping.",
6312
   (uchar**) &slave_trans_retries, (uchar**) &slave_trans_retries, 0,
6313
   GET_ULONG, REQUIRED_ARG, 10L, 0L, (longlong) ULONG_MAX, 0, 1, 0},
6314
#endif /* HAVE_REPLICATION */
6315 6316
  {"slow_launch_time", OPT_SLOW_LAUNCH_TIME,
   "If creating the thread takes longer than this value (in seconds), the Slow_launch_threads counter will be incremented.",
6317
   (uchar**) &slow_launch_time, (uchar**) &slow_launch_time, 0, GET_ULONG,
6318
   REQUIRED_ARG, 2L, 0L, LONG_TIMEOUT, 0, 1, 0},
6319
  {"sort_buffer_size", OPT_SORT_BUFFER,
6320
   "Each thread that needs to do a sort allocates a buffer of this size.",
6321 6322
   (uchar**) &global_system_variables.sortbuff_size,
   (uchar**) &max_system_variables.sortbuff_size, 0, GET_ULONG, REQUIRED_ARG,
6323 6324
   MAX_SORT_MEMORY, MIN_SORT_MEMORY+MALLOC_OVERHEAD*2, ~0L, MALLOC_OVERHEAD,
   1, 0},
6325
  {"sync-binlog", OPT_SYNC_BINLOG,
6326 6327
   "Synchronously flush binary log to disk after every #th event. "
   "Use 0 (default) to disable synchronous flushing.",
6328
   (uchar**) &sync_binlog_period, (uchar**) &sync_binlog_period, 0, GET_ULONG,
serg@serg.mylan's avatar
serg@serg.mylan committed
6329
   REQUIRED_ARG, 0, 0, ~0L, 0, 1, 0},
6330
  {"sync-frm", OPT_SYNC_FRM, "Sync .frm to disk on create. Enabled by default.",
6331
   (uchar**) &opt_sync_frm, (uchar**) &opt_sync_frm, 0, GET_BOOL, NO_ARG, 1, 0,
6332
   0, 0, 0, 0},
6333 6334
  {"table_cache", OPT_TABLE_OPEN_CACHE,
   "Deprecated; use --table_open_cache instead.",
6335
   (uchar**) &table_cache_size, (uchar**) &table_cache_size, 0, GET_ULONG,
6336
   REQUIRED_ARG, TABLE_OPEN_CACHE_DEFAULT, 1, 512*1024L, 0, 1, 0},
6337 6338
  {"table_definition_cache", OPT_TABLE_DEF_CACHE,
   "The number of cached table definitions.",
6339
   (uchar**) &table_def_size, (uchar**) &table_def_size,
6340 6341 6342
   0, GET_ULONG, REQUIRED_ARG, 128, 1, 512*1024L, 0, 1, 0},
  {"table_open_cache", OPT_TABLE_OPEN_CACHE,
   "The number of cached open tables.",
6343
   (uchar**) &table_cache_size, (uchar**) &table_cache_size, 0, GET_ULONG,
6344
   REQUIRED_ARG, TABLE_OPEN_CACHE_DEFAULT, 1, 512*1024L, 0, 1, 0},
6345 6346 6347
  {"table_lock_wait_timeout", OPT_TABLE_LOCK_WAIT_TIMEOUT,
   "Timeout in seconds to wait for a table level lock before returning an "
   "error. Used only if the connection has active cursors.",
6348
   (uchar**) &table_lock_wait_timeout, (uchar**) &table_lock_wait_timeout,
6349
   0, GET_ULONG, REQUIRED_ARG, 50, 1, 1024 * 1024 * 1024, 0, 1, 0},
6350 6351
  {"thread_cache_size", OPT_THREAD_CACHE_SIZE,
   "How many threads we should keep in a cache for reuse.",
6352
   (uchar**) &thread_cache_size, (uchar**) &thread_cache_size, 0, GET_ULONG,
6353
   REQUIRED_ARG, 0, 0, 16384, 0, 1, 0},
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6354 6355
  {"thread_concurrency", OPT_THREAD_CONCURRENCY,
   "Permits the application to give the threads system a hint for the desired number of threads that should be run at the same time.",
6356
   (uchar**) &concurrency, (uchar**) &concurrency, 0, GET_ULONG, REQUIRED_ARG,
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6357
   DEFAULT_CONCURRENCY, 1, 512, 0, 1, 0},
6358 6359 6360
#if HAVE_POOL_OF_THREADS == 1
  {"thread_pool_size", OPT_THREAD_CACHE_SIZE,
   "How many threads we should create to handle query requests in case of 'thread_handling=pool-of-threads'",
6361
   (uchar**) &thread_pool_size, (uchar**) &thread_pool_size, 0, GET_ULONG,
6362 6363
   REQUIRED_ARG, 20, 1, 16384, 0, 1, 0},
#endif
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paul@kite-hub.kitebird.com committed
6364
  {"thread_stack", OPT_THREAD_STACK,
6365 6366
   "The stack size for each thread.", (uchar**) &thread_stack,
   (uchar**) &thread_stack, 0, GET_ULONG, REQUIRED_ARG,DEFAULT_THREAD_STACK,
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6367 6368 6369
   1024L*128L, ~0L, 0, 1024, 0},
  { "time_format", OPT_TIME_FORMAT,
    "The TIME format (for future).",
6370 6371
    (uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_TIME],
    (uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_TIME],
paul@kite-hub.kitebird.com's avatar
paul@kite-hub.kitebird.com committed
6372
    0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
6373
  {"tmp_table_size", OPT_TMP_TABLE_SIZE,
6374 6375
   "If an internal in-memory temporary table exceeds this size, MySQL will"
   " automatically convert it to an on-disk MyISAM table.",
6376 6377
   (uchar**) &global_system_variables.tmp_table_size,
   (uchar**) &max_system_variables.tmp_table_size, 0, GET_ULL,
6378
   REQUIRED_ARG, 16*1024*1024L, 1024, MAX_MEM_TABLE_SIZE, 0, 1, 0},
6379
  {"transaction_alloc_block_size", OPT_TRANS_ALLOC_BLOCK_SIZE,
6380
   "Allocation block size for various transaction-related structures",
6381 6382
   (uchar**) &global_system_variables.trans_alloc_block_size,
   (uchar**) &max_system_variables.trans_alloc_block_size, 0, GET_ULONG,
6383 6384
   REQUIRED_ARG, QUERY_ALLOC_BLOCK_SIZE, 1024, ~0L, 0, 1024, 0},
  {"transaction_prealloc_size", OPT_TRANS_PREALLOC_SIZE,
6385
   "Persistent buffer for various transaction-related structures",
6386 6387
   (uchar**) &global_system_variables.trans_prealloc_size,
   (uchar**) &max_system_variables.trans_prealloc_size, 0, GET_ULONG,
6388
   REQUIRED_ARG, TRANS_ALLOC_PREALLOC_SIZE, 1024, ~0L, 0, 1024, 0},
6389 6390 6391 6392
  {"thread_handling", OPT_THREAD_HANDLING,
   "Define threads usage for handling queries:  "
   "one-thread-per-connection or no-threads", 0, 0,
   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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Merge  
ingo@mysql.com committed
6393 6394
  {"updatable_views_with_limit", OPT_UPDATABLE_VIEWS_WITH_LIMIT,
   "1 = YES = Don't issue an error message (warning only) if a VIEW without presence of a key of the underlying table is used in queries with a LIMIT clause for updating. 0 = NO = Prohibit update of a VIEW, which does not contain a key of the underlying table and the query uses a LIMIT clause (usually get from GUI tools).",
6395 6396
   (uchar**) &global_system_variables.updatable_views_with_limit,
   (uchar**) &max_system_variables.updatable_views_with_limit,
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Merge  
ingo@mysql.com committed
6397
   0, GET_ULONG, REQUIRED_ARG, 1, 0, 1, 0, 1, 0},
6398
  {"wait_timeout", OPT_WAIT_TIMEOUT,
6399
   "The number of seconds the server waits for activity on a connection before closing it.",
6400 6401
   (uchar**) &global_system_variables.net_wait_timeout,
   (uchar**) &max_system_variables.net_wait_timeout, 0, GET_ULONG,
6402 6403
   REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, IF_WIN(INT_MAX32/1000, LONG_TIMEOUT),
   0, 1, 0},
6404
  {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
6405
};
bk@work.mysql.com's avatar
bk@work.mysql.com committed
6406

6407
static int show_question(THD *thd, SHOW_VAR *var, char *buff)
6408
{
6409
  var->type= SHOW_LONGLONG;
6410 6411 6412 6413
  var->value= (char *)&thd->query_id;
  return 0;
}

6414
static int show_net_compression(THD *thd, SHOW_VAR *var, char *buff)
6415
{
6416
  var->type= SHOW_MY_BOOL;
6417 6418 6419 6420
  var->value= (char *)&thd->net.compress;
  return 0;
}

6421
static int show_starttime(THD *thd, SHOW_VAR *var, char *buff)
6422
{
6423
  var->type= SHOW_LONG;
6424
  var->value= buff;
6425
  *((long *)buff)= (long) (thd->query_start() - server_start_time);
6426 6427 6428 6429
  return 0;
}

#ifdef HAVE_REPLICATION
6430
static int show_rpl_status(THD *thd, SHOW_VAR *var, char *buff)
6431
{
6432
  var->type= SHOW_CHAR;
6433 6434 6435 6436
  var->value= const_cast<char*>(rpl_status_type[(int)rpl_status]);
  return 0;
}

6437
static int show_slave_running(THD *thd, SHOW_VAR *var, char *buff)
6438
{
6439
  var->type= SHOW_MY_BOOL;
6440
  pthread_mutex_lock(&LOCK_active_mi);
6441 6442 6443
  var->value= buff;
  *((my_bool *)buff)= (my_bool) (active_mi && active_mi->slave_running &&
                                 active_mi->rli.slave_running);
6444 6445 6446 6447
  pthread_mutex_unlock(&LOCK_active_mi);
  return 0;
}

6448
static int show_slave_retried_trans(THD *thd, SHOW_VAR *var, char *buff)
6449 6450 6451 6452 6453 6454 6455 6456
{
  /*
    TODO: with multimaster, have one such counter per line in
    SHOW SLAVE STATUS, and have the sum over all lines here.
  */
  pthread_mutex_lock(&LOCK_active_mi);
  if (active_mi)
  {
6457
    var->type= SHOW_LONG;
6458 6459 6460 6461 6462 6463
    var->value= buff;
    pthread_mutex_lock(&active_mi->rli.data_lock);
    *((long *)buff)= (long)active_mi->rli.retried_trans;
    pthread_mutex_unlock(&active_mi->rli.data_lock);
  }
  else
6464
    var->type= SHOW_UNDEF;
6465 6466 6467 6468 6469
  pthread_mutex_unlock(&LOCK_active_mi);
  return 0;
}
#endif /* HAVE_REPLICATION */

6470
static int show_open_tables(THD *thd, SHOW_VAR *var, char *buff)
6471
{
6472
  var->type= SHOW_LONG;
6473 6474 6475 6476 6477
  var->value= buff;
  *((long *)buff)= (long)cached_open_tables();
  return 0;
}

6478 6479 6480 6481 6482 6483 6484 6485 6486 6487
static int show_prepared_stmt_count(THD *thd, SHOW_VAR *var, char *buff)
{
  var->type= SHOW_LONG;
  var->value= buff;
  pthread_mutex_lock(&LOCK_prepared_stmt_count);
  *((long *)buff)= (long)prepared_stmt_count;
  pthread_mutex_unlock(&LOCK_prepared_stmt_count);
  return 0;
}

6488
static int show_table_definitions(THD *thd, SHOW_VAR *var, char *buff)
6489
{
6490
  var->type= SHOW_LONG;
6491 6492 6493 6494 6495 6496 6497
  var->value= buff;
  *((long *)buff)= (long)cached_table_definitions();
  return 0;
}

#ifdef HAVE_OPENSSL
/* Functions relying on CTX */
6498
static int show_ssl_ctx_sess_accept(THD *thd, SHOW_VAR *var, char *buff)
6499
{
6500
  var->type= SHOW_LONG;
6501 6502 6503 6504 6505 6506
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_accept(ssl_acceptor_fd->ssl_context));
  return 0;
}

6507
static int show_ssl_ctx_sess_accept_good(THD *thd, SHOW_VAR *var, char *buff)
6508
{
6509
  var->type= SHOW_LONG;
6510 6511 6512 6513 6514 6515
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_accept_good(ssl_acceptor_fd->ssl_context));
  return 0;
}

6516
static int show_ssl_ctx_sess_connect_good(THD *thd, SHOW_VAR *var, char *buff)
6517
{
6518
  var->type= SHOW_LONG;
6519 6520 6521 6522 6523 6524
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_connect_good(ssl_acceptor_fd->ssl_context));
  return 0;
}

6525
static int show_ssl_ctx_sess_accept_renegotiate(THD *thd, SHOW_VAR *var, char *buff)
6526
{
6527
  var->type= SHOW_LONG;
6528 6529 6530 6531 6532 6533
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_accept_renegotiate(ssl_acceptor_fd->ssl_context));
  return 0;
}

6534
static int show_ssl_ctx_sess_connect_renegotiate(THD *thd, SHOW_VAR *var, char *buff)
6535
{
6536
  var->type= SHOW_LONG;
6537 6538 6539 6540 6541 6542
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_connect_renegotiate(ssl_acceptor_fd->ssl_context));
  return 0;
}

6543
static int show_ssl_ctx_sess_cb_hits(THD *thd, SHOW_VAR *var, char *buff)
6544
{
6545
  var->type= SHOW_LONG;
6546 6547 6548 6549 6550 6551
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_cb_hits(ssl_acceptor_fd->ssl_context));
  return 0;
}

6552
static int show_ssl_ctx_sess_hits(THD *thd, SHOW_VAR *var, char *buff)
6553
{
6554
  var->type= SHOW_LONG;
6555 6556 6557 6558 6559 6560
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_hits(ssl_acceptor_fd->ssl_context));
  return 0;
}

6561
static int show_ssl_ctx_sess_cache_full(THD *thd, SHOW_VAR *var, char *buff)
6562
{
6563
  var->type= SHOW_LONG;
6564 6565 6566 6567 6568 6569
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_cache_full(ssl_acceptor_fd->ssl_context));
  return 0;
}

6570
static int show_ssl_ctx_sess_misses(THD *thd, SHOW_VAR *var, char *buff)
6571
{
6572
  var->type= SHOW_LONG;
6573 6574 6575 6576 6577 6578
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_misses(ssl_acceptor_fd->ssl_context));
  return 0;
}

6579
static int show_ssl_ctx_sess_timeouts(THD *thd, SHOW_VAR *var, char *buff)
6580
{
6581
  var->type= SHOW_LONG;
6582 6583 6584 6585 6586 6587
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_timeouts(ssl_acceptor_fd->ssl_context));
  return 0;
}

6588
static int show_ssl_ctx_sess_number(THD *thd, SHOW_VAR *var, char *buff)
6589
{
6590
  var->type= SHOW_LONG;
6591 6592 6593 6594 6595 6596
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_number(ssl_acceptor_fd->ssl_context));
  return 0;
}

6597
static int show_ssl_ctx_sess_connect(THD *thd, SHOW_VAR *var, char *buff)
6598
{
6599
  var->type= SHOW_LONG;
6600 6601 6602 6603 6604 6605
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_connect(ssl_acceptor_fd->ssl_context));
  return 0;
}

6606
static int show_ssl_ctx_sess_get_cache_size(THD *thd, SHOW_VAR *var, char *buff)
6607
{
6608
  var->type= SHOW_LONG;
6609 6610 6611 6612 6613 6614
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_sess_get_cache_size(ssl_acceptor_fd->ssl_context));
  return 0;
}

6615
static int show_ssl_ctx_get_verify_mode(THD *thd, SHOW_VAR *var, char *buff)
6616
{
6617
  var->type= SHOW_LONG;
6618 6619 6620 6621 6622 6623
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_get_verify_mode(ssl_acceptor_fd->ssl_context));
  return 0;
}

6624
static int show_ssl_ctx_get_verify_depth(THD *thd, SHOW_VAR *var, char *buff)
6625
{
6626
  var->type= SHOW_LONG;
6627 6628 6629 6630 6631 6632
  var->value= buff;
  *((long *)buff)= (!ssl_acceptor_fd ? 0 :
                     SSL_CTX_get_verify_depth(ssl_acceptor_fd->ssl_context));
  return 0;
}

6633
static int show_ssl_ctx_get_session_cache_mode(THD *thd, SHOW_VAR *var, char *buff)
6634
{
6635
  var->type= SHOW_CHAR;
6636
  if (!ssl_acceptor_fd)
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6637
    var->value= const_cast<char*>("NONE");
6638 6639 6640 6641
  else
    switch (SSL_CTX_get_session_cache_mode(ssl_acceptor_fd->ssl_context))
    {
    case SSL_SESS_CACHE_OFF:
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6642
      var->value= const_cast<char*>("OFF"); break;
6643
    case SSL_SESS_CACHE_CLIENT:
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6644
      var->value= const_cast<char*>("CLIENT"); break;
6645
    case SSL_SESS_CACHE_SERVER:
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6646
      var->value= const_cast<char*>("SERVER"); break;
6647
    case SSL_SESS_CACHE_BOTH:
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6648
      var->value= const_cast<char*>("BOTH"); break;
6649
    case SSL_SESS_CACHE_NO_AUTO_CLEAR:
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6650
      var->value= const_cast<char*>("NO_AUTO_CLEAR"); break;
6651
    case SSL_SESS_CACHE_NO_INTERNAL_LOOKUP:
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6652
      var->value= const_cast<char*>("NO_INTERNAL_LOOKUP"); break;
6653
    default:
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6654
      var->value= const_cast<char*>("Unknown"); break;
6655 6656 6657 6658
    }
  return 0;
}

6659 6660 6661 6662 6663 6664 6665
/*
   Functions relying on SSL 
   Note: In the show_ssl_* functions, we need to check if we have a
         valid vio-object since this isn't always true, specifically
         when session_status or global_status is requested from
         inside an Event.
 */
6666
static int show_ssl_get_version(THD *thd, SHOW_VAR *var, char *buff)
6667
{
6668
  var->type= SHOW_CHAR;
6669 6670 6671
  if( thd->vio_ok() && thd->net.vio->ssl_arg )
    var->value= const_cast<char*>(SSL_get_version((SSL*) thd->net.vio->ssl_arg));
  else
6672
    var->value= (char *)"";
6673 6674 6675
  return 0;
}

6676
static int show_ssl_session_reused(THD *thd, SHOW_VAR *var, char *buff)
6677
{
6678
  var->type= SHOW_LONG;
6679
  var->value= buff;
6680 6681 6682 6683
  if( thd->vio_ok() && thd->net.vio->ssl_arg )
    *((long *)buff)= (long)SSL_session_reused((SSL*) thd->net.vio->ssl_arg);
  else
    *((long *)buff)= 0;
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  return 0;
6685 6686
}

6687
static int show_ssl_get_default_timeout(THD *thd, SHOW_VAR *var, char *buff)
6688
{
6689
  var->type= SHOW_LONG;
6690
  var->value= buff;
6691 6692 6693 6694
  if( thd->vio_ok() && thd->net.vio->ssl_arg )
    *((long *)buff)= (long)SSL_get_default_timeout((SSL*)thd->net.vio->ssl_arg);
  else
    *((long *)buff)= 0;
6695 6696 6697
  return 0;
}

6698
static int show_ssl_get_verify_mode(THD *thd, SHOW_VAR *var, char *buff)
6699
{
6700
  var->type= SHOW_LONG;
6701
  var->value= buff;
6702 6703 6704 6705
  if( thd->net.vio && thd->net.vio->ssl_arg )
    *((long *)buff)= (long)SSL_get_verify_mode((SSL*)thd->net.vio->ssl_arg);
  else
    *((long *)buff)= 0;
6706 6707 6708
  return 0;
}

6709
static int show_ssl_get_verify_depth(THD *thd, SHOW_VAR *var, char *buff)
6710
{
6711
  var->type= SHOW_LONG;
6712
  var->value= buff;
6713 6714 6715 6716
  if( thd->vio_ok() && thd->net.vio->ssl_arg )
    *((long *)buff)= (long)SSL_get_verify_depth((SSL*)thd->net.vio->ssl_arg);
  else
    *((long *)buff)= 0;
6717 6718 6719
  return 0;
}

6720
static int show_ssl_get_cipher(THD *thd, SHOW_VAR *var, char *buff)
6721
{
6722
  var->type= SHOW_CHAR;
6723 6724 6725
  if( thd->vio_ok() && thd->net.vio->ssl_arg )
    var->value= const_cast<char*>(SSL_get_cipher((SSL*) thd->net.vio->ssl_arg));
  else
6726
    var->value= (char *)"";
6727 6728 6729
  return 0;
}

6730
static int show_ssl_get_cipher_list(THD *thd, SHOW_VAR *var, char *buff)
6731
{
6732
  var->type= SHOW_CHAR;
6733
  var->value= buff;
6734
  if (thd->vio_ok() && thd->net.vio->ssl_arg)
6735 6736 6737
  {
    int i;
    const char *p;
6738 6739 6740
    char *end= buff + SHOW_VAR_FUNC_BUFF_SIZE;
    for (i=0; (p= SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i)) &&
               buff < end; i++)
6741
    {
6742
      buff= strnmov(buff, p, end-buff-1);
6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753
      *buff++= ':';
    }
    if (i)
      buff--;
  }
  *buff=0;
  return 0;
}

#endif /* HAVE_OPENSSL */

6754

6755 6756 6757 6758
/*
  Variables shown by SHOW STATUS in alphabetical order
*/

6759
SHOW_VAR status_vars[]= {
6760 6761
  {"Aborted_clients",          (char*) &aborted_threads,        SHOW_LONG},
  {"Aborted_connects",         (char*) &aborted_connects,       SHOW_LONG},
6762 6763
  {"Binlog_cache_disk_use",    (char*) &binlog_cache_disk_use,  SHOW_LONG},
  {"Binlog_cache_use",         (char*) &binlog_cache_use,       SHOW_LONG},
6764 6765
  {"Bytes_received",           (char*) offsetof(STATUS_VAR, bytes_received), SHOW_LONGLONG_STATUS},
  {"Bytes_sent",               (char*) offsetof(STATUS_VAR, bytes_sent), SHOW_LONGLONG_STATUS},
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  {"Com_admin_commands",       (char*) offsetof(STATUS_VAR, com_other), SHOW_LONG_STATUS},
  {"Com_alter_db",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_DB]), SHOW_LONG_STATUS},
6768
  {"Com_alter_event",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_EVENT]), SHOW_LONG_STATUS},
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  {"Com_alter_table",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_TABLE]), SHOW_LONG_STATUS},
  {"Com_analyze",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ANALYZE]), SHOW_LONG_STATUS},
  {"Com_backup_table",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_BACKUP_TABLE]), SHOW_LONG_STATUS},
  {"Com_begin",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_BEGIN]), SHOW_LONG_STATUS},
6773
  {"Com_call_procedure",       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CALL]), SHOW_LONG_STATUS},
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  {"Com_change_db",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHANGE_DB]), SHOW_LONG_STATUS},
  {"Com_change_master",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHANGE_MASTER]), SHOW_LONG_STATUS},
  {"Com_check",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHECK]), SHOW_LONG_STATUS},
  {"Com_checksum",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHECKSUM]), SHOW_LONG_STATUS},
  {"Com_commit",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_COMMIT]), SHOW_LONG_STATUS},
  {"Com_create_db",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_DB]), SHOW_LONG_STATUS},
6780
  {"Com_create_event",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_EVENT]), SHOW_LONG_STATUS},
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  {"Com_create_function",      (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_FUNCTION]), SHOW_LONG_STATUS},
  {"Com_create_index",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_INDEX]), SHOW_LONG_STATUS},
  {"Com_create_table",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_TABLE]), SHOW_LONG_STATUS},
6784
  {"Com_create_user",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_USER]), SHOW_LONG_STATUS},
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  {"Com_dealloc_sql",          (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DEALLOCATE_PREPARE]), SHOW_LONG_STATUS},
  {"Com_delete",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DELETE]), SHOW_LONG_STATUS},
  {"Com_delete_multi",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DELETE_MULTI]), SHOW_LONG_STATUS},
  {"Com_do",                   (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DO]), SHOW_LONG_STATUS},
  {"Com_drop_db",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_DB]), SHOW_LONG_STATUS},
6790
  {"Com_drop_event",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_EVENT]), SHOW_LONG_STATUS},
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  {"Com_drop_function",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_FUNCTION]), SHOW_LONG_STATUS},
  {"Com_drop_index",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_INDEX]), SHOW_LONG_STATUS},
  {"Com_drop_table",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_TABLE]), SHOW_LONG_STATUS},
  {"Com_drop_user",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_USER]), SHOW_LONG_STATUS},
6795
  {"Com_execute_sql",          (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_EXECUTE]), SHOW_LONG_STATUS},
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  {"Com_flush",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_FLUSH]), SHOW_LONG_STATUS},
  {"Com_grant",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_GRANT]), SHOW_LONG_STATUS},
  {"Com_ha_close",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HA_CLOSE]), SHOW_LONG_STATUS},
  {"Com_ha_open",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HA_OPEN]), SHOW_LONG_STATUS},
  {"Com_ha_read",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HA_READ]), SHOW_LONG_STATUS},
  {"Com_help",                 (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HELP]), SHOW_LONG_STATUS},
  {"Com_insert",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_INSERT]), SHOW_LONG_STATUS},
  {"Com_insert_select",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_INSERT_SELECT]), SHOW_LONG_STATUS},
  {"Com_kill",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_KILL]), SHOW_LONG_STATUS},
  {"Com_load",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_LOAD]), SHOW_LONG_STATUS},
  {"Com_load_master_data",     (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_LOAD_MASTER_DATA]), SHOW_LONG_STATUS},
  {"Com_load_master_table",    (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_LOAD_MASTER_TABLE]), SHOW_LONG_STATUS},
  {"Com_lock_tables",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_LOCK_TABLES]), SHOW_LONG_STATUS},
  {"Com_optimize",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_OPTIMIZE]), SHOW_LONG_STATUS},
  {"Com_preload_keys",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PRELOAD_KEYS]), SHOW_LONG_STATUS},
  {"Com_prepare_sql",          (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PREPARE]), SHOW_LONG_STATUS},
  {"Com_purge",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PURGE]), SHOW_LONG_STATUS},
  {"Com_purge_before_date",    (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PURGE_BEFORE]), SHOW_LONG_STATUS},
  {"Com_rename_table",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RENAME_TABLE]), SHOW_LONG_STATUS},
  {"Com_repair",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REPAIR]), SHOW_LONG_STATUS},
  {"Com_replace",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REPLACE]), SHOW_LONG_STATUS},
  {"Com_replace_select",       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REPLACE_SELECT]), SHOW_LONG_STATUS},
  {"Com_reset",		       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RESET]), SHOW_LONG_STATUS},
  {"Com_restore_table",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RESTORE_TABLE]), SHOW_LONG_STATUS},
  {"Com_revoke",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REVOKE]), SHOW_LONG_STATUS},
  {"Com_revoke_all",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REVOKE_ALL]), SHOW_LONG_STATUS},
  {"Com_rollback",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ROLLBACK]), SHOW_LONG_STATUS},
  {"Com_savepoint",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SAVEPOINT]), SHOW_LONG_STATUS},
  {"Com_select",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SELECT]), SHOW_LONG_STATUS},
  {"Com_set_option",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SET_OPTION]), SHOW_LONG_STATUS},
  {"Com_show_binlog_events",   (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_BINLOG_EVENTS]), SHOW_LONG_STATUS},
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  {"Com_show_binlogs",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_BINLOGS]), SHOW_LONG_STATUS},
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  {"Com_show_charsets",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CHARSETS]), SHOW_LONG_STATUS},
  {"Com_show_collations",      (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_COLLATIONS]), SHOW_LONG_STATUS},
  {"Com_show_column_types",    (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_COLUMN_TYPES]), SHOW_LONG_STATUS},
  {"Com_show_create_db",       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_DB]), SHOW_LONG_STATUS},
6832
  {"Com_show_create_event",    (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_EVENT]), SHOW_LONG_STATUS},
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  {"Com_show_create_table",    (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE]), SHOW_LONG_STATUS},
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  {"Com_show_databases",       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_DATABASES]), SHOW_LONG_STATUS},
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  {"Com_show_engine_logs",     (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ENGINE_LOGS]), SHOW_LONG_STATUS},
  {"Com_show_engine_mutex",    (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ENGINE_MUTEX]), SHOW_LONG_STATUS},
  {"Com_show_engine_status",   (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ENGINE_STATUS]), SHOW_LONG_STATUS},
6838
  {"Com_show_events",          (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_EVENTS]), SHOW_LONG_STATUS},
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  {"Com_show_errors",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ERRORS]), SHOW_LONG_STATUS},
  {"Com_show_fields",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_FIELDS]), SHOW_LONG_STATUS},
  {"Com_show_grants",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_GRANTS]), SHOW_LONG_STATUS},
  {"Com_show_keys",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_KEYS]), SHOW_LONG_STATUS},
  {"Com_show_master_status",   (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_MASTER_STAT]), SHOW_LONG_STATUS},
  {"Com_show_new_master",      (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_NEW_MASTER]), SHOW_LONG_STATUS},
  {"Com_show_open_tables",     (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_OPEN_TABLES]), SHOW_LONG_STATUS},
6846
  {"Com_show_plugins",         (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PLUGINS]), SHOW_LONG_STATUS},
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  {"Com_show_privileges",      (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PRIVILEGES]), SHOW_LONG_STATUS},
  {"Com_show_processlist",     (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PROCESSLIST]), SHOW_LONG_STATUS},
  {"Com_show_slave_hosts",     (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_SLAVE_HOSTS]), SHOW_LONG_STATUS},
  {"Com_show_slave_status",    (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_SLAVE_STAT]), SHOW_LONG_STATUS},
  {"Com_show_status",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_STATUS]), SHOW_LONG_STATUS},
  {"Com_show_storage_engines", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_STORAGE_ENGINES]), SHOW_LONG_STATUS},
  {"Com_show_tables",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_TABLES]), SHOW_LONG_STATUS},
6854
  {"Com_show_triggers",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_TRIGGERS]), SHOW_LONG_STATUS},
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  {"Com_show_variables",       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_VARIABLES]), SHOW_LONG_STATUS},
  {"Com_show_warnings",        (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_WARNS]), SHOW_LONG_STATUS},
  {"Com_slave_start",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SLAVE_START]), SHOW_LONG_STATUS},
  {"Com_slave_stop",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SLAVE_STOP]), SHOW_LONG_STATUS},
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  {"Com_stmt_close",           (char*) offsetof(STATUS_VAR, com_stmt_close), SHOW_LONG_STATUS},
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  {"Com_stmt_execute",         (char*) offsetof(STATUS_VAR, com_stmt_execute), SHOW_LONG_STATUS},
  {"Com_stmt_fetch",           (char*) offsetof(STATUS_VAR, com_stmt_fetch), SHOW_LONG_STATUS},
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  {"Com_stmt_prepare",         (char*) offsetof(STATUS_VAR, com_stmt_prepare), SHOW_LONG_STATUS},
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  {"Com_stmt_reset",           (char*) offsetof(STATUS_VAR, com_stmt_reset), SHOW_LONG_STATUS},
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  {"Com_stmt_send_long_data",  (char*) offsetof(STATUS_VAR, com_stmt_send_long_data), SHOW_LONG_STATUS},
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  {"Com_truncate",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_TRUNCATE]), SHOW_LONG_STATUS},
  {"Com_unlock_tables",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UNLOCK_TABLES]), SHOW_LONG_STATUS},
  {"Com_update",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UPDATE]), SHOW_LONG_STATUS},
  {"Com_update_multi",	       (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UPDATE_MULTI]), SHOW_LONG_STATUS},
  {"Com_xa_commit",            (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_COMMIT]),SHOW_LONG_STATUS},
  {"Com_xa_end",               (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_END]),SHOW_LONG_STATUS},
  {"Com_xa_prepare",           (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_PREPARE]),SHOW_LONG_STATUS},
  {"Com_xa_recover",           (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_RECOVER]),SHOW_LONG_STATUS},
  {"Com_xa_rollback",          (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_ROLLBACK]),SHOW_LONG_STATUS},
  {"Com_xa_start",             (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_START]),SHOW_LONG_STATUS},
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  {"Compression",              (char*) &show_net_compression, SHOW_FUNC},
6876
  {"Connections",              (char*) &thread_id,              SHOW_LONG_NOFLUSH},
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  {"Created_tmp_disk_tables",  (char*) offsetof(STATUS_VAR, created_tmp_disk_tables), SHOW_LONG_STATUS},
6878
  {"Created_tmp_files",	       (char*) &my_tmp_file_created,	SHOW_LONG},
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  {"Created_tmp_tables",       (char*) offsetof(STATUS_VAR, created_tmp_tables), SHOW_LONG_STATUS},
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  {"Delayed_errors",           (char*) &delayed_insert_errors,  SHOW_LONG},
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  {"Delayed_insert_threads",   (char*) &delayed_insert_threads, SHOW_LONG_NOFLUSH},
6882
  {"Delayed_writes",           (char*) &delayed_insert_writes,  SHOW_LONG},
6883
  {"Flush_commands",           (char*) &refresh_version,        SHOW_LONG_NOFLUSH},
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  {"Handler_commit",           (char*) offsetof(STATUS_VAR, ha_commit_count), SHOW_LONG_STATUS},
  {"Handler_delete",           (char*) offsetof(STATUS_VAR, ha_delete_count), SHOW_LONG_STATUS},
  {"Handler_discover",         (char*) offsetof(STATUS_VAR, ha_discover_count), SHOW_LONG_STATUS},
  {"Handler_prepare",          (char*) offsetof(STATUS_VAR, ha_prepare_count),  SHOW_LONG_STATUS},
  {"Handler_read_first",       (char*) offsetof(STATUS_VAR, ha_read_first_count), SHOW_LONG_STATUS},
  {"Handler_read_key",         (char*) offsetof(STATUS_VAR, ha_read_key_count), SHOW_LONG_STATUS},
  {"Handler_read_next",        (char*) offsetof(STATUS_VAR, ha_read_next_count), SHOW_LONG_STATUS},
  {"Handler_read_prev",        (char*) offsetof(STATUS_VAR, ha_read_prev_count), SHOW_LONG_STATUS},
  {"Handler_read_rnd",         (char*) offsetof(STATUS_VAR, ha_read_rnd_count), SHOW_LONG_STATUS},
  {"Handler_read_rnd_next",    (char*) offsetof(STATUS_VAR, ha_read_rnd_next_count), SHOW_LONG_STATUS},
  {"Handler_rollback",         (char*) offsetof(STATUS_VAR, ha_rollback_count), SHOW_LONG_STATUS},
  {"Handler_savepoint",        (char*) offsetof(STATUS_VAR, ha_savepoint_count), SHOW_LONG_STATUS},
  {"Handler_savepoint_rollback",(char*) offsetof(STATUS_VAR, ha_savepoint_rollback_count), SHOW_LONG_STATUS},
  {"Handler_update",           (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS},
  {"Handler_write",            (char*) offsetof(STATUS_VAR, ha_write_count), SHOW_LONG_STATUS},
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  {"Key_blocks_not_flushed",   (char*) offsetof(KEY_CACHE, global_blocks_changed), SHOW_KEY_CACHE_LONG},
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  {"Key_blocks_unused",        (char*) offsetof(KEY_CACHE, blocks_unused), SHOW_KEY_CACHE_LONG},
  {"Key_blocks_used",          (char*) offsetof(KEY_CACHE, blocks_used), SHOW_KEY_CACHE_LONG},
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  {"Key_read_requests",        (char*) offsetof(KEY_CACHE, global_cache_r_requests), SHOW_KEY_CACHE_LONGLONG},
  {"Key_reads",                (char*) offsetof(KEY_CACHE, global_cache_read), SHOW_KEY_CACHE_LONGLONG},
  {"Key_write_requests",       (char*) offsetof(KEY_CACHE, global_cache_w_requests), SHOW_KEY_CACHE_LONGLONG},
  {"Key_writes",               (char*) offsetof(KEY_CACHE, global_cache_write), SHOW_KEY_CACHE_LONGLONG},
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  {"Last_query_cost",          (char*) offsetof(STATUS_VAR, last_query_cost), SHOW_DOUBLE_STATUS},
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  {"Max_used_connections",     (char*) &max_used_connections,  SHOW_LONG},
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  {"Not_flushed_delayed_rows", (char*) &delayed_rows_in_use,    SHOW_LONG_NOFLUSH},
  {"Open_files",               (char*) &my_file_opened,         SHOW_LONG_NOFLUSH},
  {"Open_streams",             (char*) &my_stream_opened,       SHOW_LONG_NOFLUSH},
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  {"Open_table_definitions",   (char*) &show_table_definitions, SHOW_FUNC},
  {"Open_tables",              (char*) &show_open_tables,       SHOW_FUNC},
6913
  {"Opened_files",             (char*) &my_file_total_opened, SHOW_LONG_NOFLUSH},
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  {"Opened_tables",            (char*) offsetof(STATUS_VAR, opened_tables), SHOW_LONG_STATUS},
6915
  {"Prepared_stmt_count",      (char*) &show_prepared_stmt_count, SHOW_FUNC},
6916
#ifdef HAVE_QUERY_CACHE
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  {"Qcache_free_blocks",       (char*) &query_cache.free_memory_blocks, SHOW_LONG_NOFLUSH},
  {"Qcache_free_memory",       (char*) &query_cache.free_memory, SHOW_LONG_NOFLUSH},
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  {"Qcache_hits",              (char*) &query_cache.hits,       SHOW_LONG},
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  {"Qcache_inserts",           (char*) &query_cache.inserts,    SHOW_LONG},
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  {"Qcache_lowmem_prunes",     (char*) &query_cache.lowmem_prunes, SHOW_LONG},
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  {"Qcache_not_cached",        (char*) &query_cache.refused,    SHOW_LONG},
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  {"Qcache_queries_in_cache",  (char*) &query_cache.queries_in_cache, SHOW_LONG_NOFLUSH},
  {"Qcache_total_blocks",      (char*) &query_cache.total_blocks, SHOW_LONG_NOFLUSH},
6925
#endif /*HAVE_QUERY_CACHE*/
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  {"Questions",                (char*) &show_question,            SHOW_FUNC},
#ifdef HAVE_REPLICATION
  {"Rpl_status",               (char*) &show_rpl_status,          SHOW_FUNC},
#endif
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  {"Select_full_join",         (char*) offsetof(STATUS_VAR, select_full_join_count), SHOW_LONG_STATUS},
  {"Select_full_range_join",   (char*) offsetof(STATUS_VAR, select_full_range_join_count), SHOW_LONG_STATUS},
  {"Select_range",             (char*) offsetof(STATUS_VAR, select_range_count), SHOW_LONG_STATUS},
  {"Select_range_check",       (char*) offsetof(STATUS_VAR, select_range_check_count), SHOW_LONG_STATUS},
  {"Select_scan",	       (char*) offsetof(STATUS_VAR, select_scan_count), SHOW_LONG_STATUS},
6935
  {"Slave_open_temp_tables",   (char*) &slave_open_temp_tables, SHOW_LONG},
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#ifdef HAVE_REPLICATION
  {"Slave_retried_transactions",(char*) &show_slave_retried_trans, SHOW_FUNC},
  {"Slave_running",            (char*) &show_slave_running,     SHOW_FUNC},
#endif
6940
  {"Slow_launch_threads",      (char*) &slow_launch_threads,    SHOW_LONG},
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  {"Slow_queries",             (char*) offsetof(STATUS_VAR, long_query_count), SHOW_LONG_STATUS},
  {"Sort_merge_passes",	       (char*) offsetof(STATUS_VAR, filesort_merge_passes), SHOW_LONG_STATUS},
  {"Sort_range",	       (char*) offsetof(STATUS_VAR, filesort_range_count), SHOW_LONG_STATUS},
  {"Sort_rows",		       (char*) offsetof(STATUS_VAR, filesort_rows), SHOW_LONG_STATUS},
  {"Sort_scan",		       (char*) offsetof(STATUS_VAR, filesort_scan_count), SHOW_LONG_STATUS},
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#ifdef HAVE_OPENSSL
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  {"Ssl_accept_renegotiates",  (char*) &show_ssl_ctx_sess_accept_renegotiate, SHOW_FUNC},
  {"Ssl_accepts",              (char*) &show_ssl_ctx_sess_accept, SHOW_FUNC},
  {"Ssl_callback_cache_hits",  (char*) &show_ssl_ctx_sess_cb_hits, SHOW_FUNC},
  {"Ssl_cipher",               (char*) &show_ssl_get_cipher, SHOW_FUNC},
  {"Ssl_cipher_list",          (char*) &show_ssl_get_cipher_list, SHOW_FUNC},
  {"Ssl_client_connects",      (char*) &show_ssl_ctx_sess_connect, SHOW_FUNC},
  {"Ssl_connect_renegotiates", (char*) &show_ssl_ctx_sess_connect_renegotiate, SHOW_FUNC},
  {"Ssl_ctx_verify_depth",     (char*) &show_ssl_ctx_get_verify_depth, SHOW_FUNC},
  {"Ssl_ctx_verify_mode",      (char*) &show_ssl_ctx_get_verify_mode, SHOW_FUNC},
  {"Ssl_default_timeout",      (char*) &show_ssl_get_default_timeout, SHOW_FUNC},
  {"Ssl_finished_accepts",     (char*) &show_ssl_ctx_sess_accept_good, SHOW_FUNC},
  {"Ssl_finished_connects",    (char*) &show_ssl_ctx_sess_connect_good, SHOW_FUNC},
  {"Ssl_session_cache_hits",   (char*) &show_ssl_ctx_sess_hits, SHOW_FUNC},
  {"Ssl_session_cache_misses", (char*) &show_ssl_ctx_sess_misses, SHOW_FUNC},
  {"Ssl_session_cache_mode",   (char*) &show_ssl_ctx_get_session_cache_mode, SHOW_FUNC},
  {"Ssl_session_cache_overflows", (char*) &show_ssl_ctx_sess_cache_full, SHOW_FUNC},
  {"Ssl_session_cache_size",   (char*) &show_ssl_ctx_sess_get_cache_size, SHOW_FUNC},
  {"Ssl_session_cache_timeouts", (char*) &show_ssl_ctx_sess_timeouts, SHOW_FUNC},
  {"Ssl_sessions_reused",      (char*) &show_ssl_session_reused, SHOW_FUNC},
  {"Ssl_used_session_cache_entries",(char*) &show_ssl_ctx_sess_number, SHOW_FUNC},
  {"Ssl_verify_depth",         (char*) &show_ssl_get_verify_depth, SHOW_FUNC},
  {"Ssl_verify_mode",          (char*) &show_ssl_get_verify_mode, SHOW_FUNC},
  {"Ssl_version",              (char*) &show_ssl_get_version, SHOW_FUNC},
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#endif /* HAVE_OPENSSL */
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  {"Table_locks_immediate",    (char*) &locks_immediate,        SHOW_LONG},
  {"Table_locks_waited",       (char*) &locks_waited,           SHOW_LONG},
6973
#ifdef HAVE_MMAP
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  {"Tc_log_max_pages_used",    (char*) &tc_log_max_pages_used,  SHOW_LONG},
  {"Tc_log_page_size",         (char*) &tc_log_page_size,       SHOW_LONG},
  {"Tc_log_page_waits",        (char*) &tc_log_page_waits,      SHOW_LONG},
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#endif
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  {"Threads_cached",           (char*) &cached_thread_count,    SHOW_LONG_NOFLUSH},
  {"Threads_connected",        (char*) &thread_count,           SHOW_INT},
  {"Threads_created",	       (char*) &thread_created,		SHOW_LONG_NOFLUSH},
  {"Threads_running",          (char*) &thread_running,         SHOW_INT},
6982
  {"Uptime",                   (char*) &show_starttime,         SHOW_FUNC},
6983
  {NullS, NullS, SHOW_LONG}
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};

static void print_version(void)
{
6988
  set_server_version();
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  /*
    Note: the instance manager keys off the string 'Ver' so it can find the
    version from the output of 'mysqld --version', so don't change it!
  */
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  printf("%s  Ver %s for %s on %s (%s)\n",my_progname,
	 server_version,SYSTEM_TYPE,MACHINE_TYPE, MYSQL_COMPILATION_COMMENT);
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}

6997
#ifndef EMBEDDED_LIBRARY
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static void usage(void)
{
7000
  if (!(default_charset_info= get_charset_by_csname(default_character_set_name,
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					           MY_CS_PRIMARY,
						   MYF(MY_WME))))
    exit(1);
  if (!default_collation_name)
    default_collation_name= (char*) default_charset_info->name;
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  print_version();
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  puts("\
Copyright (C) 2000 MySQL AB, by Monty and others\n\
This software comes with ABSOLUTELY NO WARRANTY. This is free software,\n\
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and you are welcome to modify and redistribute it under the GPL license\n\n\
Starts the MySQL database server\n");
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  printf("Usage: %s [OPTIONS]\n", my_progname);
7014
  if (!opt_verbose)
7015
    puts("\nFor more help options (several pages), use mysqld --verbose --help");
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  else
  {
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#ifdef __WIN__
  puts("NT and Win32 specific options:\n\
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  --install                     Install the default service (NT)\n\
  --install-manual              Install the default service started manually (NT)\n\
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  --install service_name        Install an optional service (NT)\n\
  --install-manual service_name Install an optional service started manually (NT)\n\
7024
  --remove                      Remove the default service from the service list (NT)\n\
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  --remove service_name         Remove the service_name from the service list (NT)\n\
  --enable-named-pipe           Only to be used for the	default server (NT)\n\
  --standalone                  Dummy option to start as a standalone server (NT)\
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");
7029
  puts("");
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#endif
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  print_defaults(MYSQL_CONFIG_NAME,load_default_groups);
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  puts("");
  set_ports();
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  /* Print out all the options including plugin supplied options */
  my_print_help_inc_plugins(my_long_options, sizeof(my_long_options)/sizeof(my_option));
7037

7038
  puts("\n\
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To see what values a running MySQL server is using, type\n\
7040
'mysqladmin variables' instead of 'mysqld --verbose --help'.");
7041
  }
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}
7043
#endif /*!EMBEDDED_LIBRARY*/
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/*
  Initialize all MySQL global variables to default values

  SYNOPSIS
    mysql_init_variables()

  NOTES
    The reason to set a lot of global variables to zero is to allow one to
    restart the embedded server with a clean environment
    It's also needed on some exotic platforms where global variables are
    not set to 0 when a program starts.
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    We don't need to set numeric variables refered to in my_long_options
    as these are initialized by my_getopt.
*/
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static void mysql_init_variables(void)
{
  /* Things reset to zero */
  opt_skip_slave_start= opt_reckless_slave = 0;
  mysql_home[0]= pidfile_name[0]= log_error_file[0]= 0;
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  opt_log= opt_slow_log= 0;
  opt_update_log= 0;
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  log_output_options= find_bit_type(log_output_str, &log_output_typelib);
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  opt_bin_log= 0;
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  opt_disable_networking= opt_skip_show_db=0;
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  opt_logname= opt_update_logname= opt_binlog_index_name= opt_slow_logname= 0;
  opt_tc_log_file= (char *)"tc.log";      // no hostname in tc_log file name !
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  opt_secure_auth= 0;
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  opt_secure_file_priv= 0;
7076
  opt_bootstrap= opt_myisam_log= 0;
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7077 7078 7079
  mqh_used= 0;
  segfaulted= kill_in_progress= 0;
  cleanup_done= 0;
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7080
  defaults_argc= 0;
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7081 7082 7083 7084 7085 7086 7087 7088 7089 7090
  defaults_argv= 0;
  server_id_supplied= 0;
  test_flags= select_errors= dropping_tables= ha_open_options=0;
  thread_count= thread_running= kill_cached_threads= wake_thread=0;
  slave_open_temp_tables= 0;
  cached_thread_count= 0;
  opt_endinfo= using_udf_functions= 0;
  opt_using_transactions= using_update_log= 0;
  abort_loop= select_thread_in_use= signal_thread_in_use= 0;
  ready_to_exit= shutdown_in_progress= grant_option= 0;
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7091
  aborted_threads= aborted_connects= 0;
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7092 7093
  delayed_insert_threads= delayed_insert_writes= delayed_rows_in_use= 0;
  delayed_insert_errors= thread_created= 0;
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Merge  
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7094
  specialflag= 0;
7095
  binlog_cache_use=  binlog_cache_disk_use= 0;
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7096 7097
  max_used_connections= slow_launch_threads = 0;
  mysqld_user= mysqld_chroot= opt_init_file= opt_bin_logname = 0;
7098
  prepared_stmt_count= 0;
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7099
  errmesg= 0;
7100
  mysqld_unix_port= opt_mysql_tmpdir= my_bind_addr_str= NullS;
7101
  bzero((uchar*) &mysql_tmpdir_list, sizeof(mysql_tmpdir_list));
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7102 7103
  bzero((char *) &global_status_var, sizeof(global_status_var));
  opt_large_pages= 0;
7104
  key_map_full.set_all();
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7105

7106 7107 7108 7109 7110
  /* Character sets */
  system_charset_info= &my_charset_utf8_general_ci;
  files_charset_info= &my_charset_utf8_general_ci;
  national_charset_info= &my_charset_utf8_general_ci;
  table_alias_charset= &my_charset_bin;
7111
  character_set_filesystem= &my_charset_bin;
7112

7113 7114
  opt_date_time_formats[0]= opt_date_time_formats[1]= opt_date_time_formats[2]= 0;

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7115 7116 7117 7118 7119 7120 7121 7122 7123
  /* Things with default values that are not zero */
  delay_key_write_options= (uint) DELAY_KEY_WRITE_ON;
  opt_specialflag= SPECIAL_ENGLISH;
  unix_sock= ip_sock= INVALID_SOCKET;
  mysql_home_ptr= mysql_home;
  pidfile_name_ptr= pidfile_name;
  log_error_file_ptr= log_error_file;
  language_ptr= language;
  mysql_data_home= mysql_real_data_home;
7124 7125
  thd_startup_options= (OPTION_AUTO_IS_NULL | OPTION_BIN_LOG |
                        OPTION_QUOTE_SHOW_CREATE | OPTION_SQL_NOTES);
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7126 7127
  protocol_version= PROTOCOL_VERSION;
  what_to_log= ~ (1L << (uint) COM_TIME);
7128
  refresh_version= 1L;	/* Increments on each reload */
7129
  global_query_id= thread_id= 1L;
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7130 7131
  strmov(server_version, MYSQL_SERVER_VERSION);
  myisam_recover_options_str= sql_mode_str= "OFF";
7132
  myisam_stats_method_str= "nulls_unequal";
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7133 7134 7135
  my_bind_addr = htonl(INADDR_ANY);
  threads.empty();
  thread_cache.empty();
7136
  key_caches.empty();
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7137
  if (!(dflt_key_cache= get_or_create_key_cache(default_key_cache_base.str,
7138
					       default_key_cache_base.length)))
7139
    exit(1);
timour@mysql.com's avatar
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7140
  multi_keycache_init(); /* set key_cache_hash.default_value = dflt_key_cache */
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7141 7142 7143 7144 7145 7146 7147

  /* Set directory paths */
  strmake(language, LANGUAGE, sizeof(language)-1);
  strmake(mysql_real_data_home, get_relative_path(DATADIR),
	  sizeof(mysql_real_data_home)-1);
  mysql_data_home_buff[0]=FN_CURLIB;	// all paths are relative from here
  mysql_data_home_buff[1]=0;
7148
  mysql_data_home_len= 2;
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7149 7150 7151 7152 7153

  /* Replication parameters */
  master_user= (char*) "test";
  master_password= master_host= 0;
  master_info_file= (char*) "master.info",
7154 7155 7156
    relay_log_info_file= (char*) "relay-log.info";
  master_ssl_key= master_ssl_cert= master_ssl_ca= 
    master_ssl_capath= master_ssl_cipher= 0;
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7157 7158 7159 7160 7161
  report_user= report_password = report_host= 0;	/* TO BE DELETED */
  opt_relay_logname= opt_relaylog_index_name= 0;

  /* Variables in libraries */
  charsets_dir= 0;
7162
  default_character_set_name= (char*) MYSQL_DEFAULT_CHARSET_NAME;
7163
  default_collation_name= compiled_default_collation_name;
7164
  sys_charset_system.value= (char*) system_charset_info->csname;
7165
  character_set_filesystem_name= (char*) "binary";
7166
  lc_time_names_name= (char*) "en_US";
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7167
  /* Set default values for some option variables */
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7168
  default_storage_engine_str= (char*) "MyISAM";
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7169
  global_system_variables.table_plugin= NULL;
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7170
  global_system_variables.tx_isolation= ISO_REPEATABLE_READ;
7171
  global_system_variables.select_limit= (ulonglong) HA_POS_ERROR;
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7172
  max_system_variables.select_limit=    (ulonglong) HA_POS_ERROR;
7173
  global_system_variables.max_join_size= (ulonglong) HA_POS_ERROR;
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7174
  max_system_variables.max_join_size=   (ulonglong) HA_POS_ERROR;
7175
  global_system_variables.old_passwords= 0;
7176
  global_system_variables.old_alter_table= 0;
7177
  global_system_variables.binlog_format= BINLOG_FORMAT_UNSPEC;
7178
  /*
7179
    Default behavior for 4.1 and 5.0 is to treat NULL values as unequal
7180 7181 7182
    when collecting index statistics for MyISAM tables.
  */
  global_system_variables.myisam_stats_method= MI_STATS_METHOD_NULLS_NOT_EQUAL;
7183

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7184 7185 7186 7187 7188 7189
  /* Variables that depends on compile options */
#ifndef DBUG_OFF
  default_dbug_option=IF_WIN("d:t:i:O,\\mysqld.trace",
			     "d:t:i:o,/tmp/mysqld.trace");
#endif
  opt_error_log= IF_WIN(1,0);
7190
#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
7191
  global_system_variables.ndb_index_stat_enable=FALSE;
7192 7193 7194 7195 7196
  max_system_variables.ndb_index_stat_enable=TRUE;
  global_system_variables.ndb_index_stat_cache_entries=32;
  max_system_variables.ndb_index_stat_cache_entries=~0L;
  global_system_variables.ndb_index_stat_update_freq=20;
  max_system_variables.ndb_index_stat_update_freq=~0L;
7197
#endif
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7198
#ifdef HAVE_OPENSSL
7199
  have_ssl=SHOW_OPTION_YES;
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7200
#else
7201
  have_ssl=SHOW_OPTION_NO;
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7202
#endif
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7203
#ifdef HAVE_BROKEN_REALPATH
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7204 7205 7206 7207
  have_symlink=SHOW_OPTION_NO;
#else
  have_symlink=SHOW_OPTION_YES;
#endif
7208 7209 7210 7211 7212
#ifdef HAVE_DLOPEN
  have_dlopen=SHOW_OPTION_YES;
#else
  have_dlopen=SHOW_OPTION_NO;
#endif
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#ifdef HAVE_QUERY_CACHE
  have_query_cache=SHOW_OPTION_YES;
#else
  have_query_cache=SHOW_OPTION_NO;
#endif
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#ifdef HAVE_SPATIAL
  have_geometry=SHOW_OPTION_YES;
#else
  have_geometry=SHOW_OPTION_NO;
#endif
#ifdef HAVE_RTREE_KEYS
  have_rtree_keys=SHOW_OPTION_YES;
#else
  have_rtree_keys=SHOW_OPTION_NO;
#endif
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7228 7229 7230 7231 7232 7233
#ifdef HAVE_CRYPT
  have_crypt=SHOW_OPTION_YES;
#else
  have_crypt=SHOW_OPTION_NO;
#endif
#ifdef HAVE_COMPRESS
7234
  have_compress= SHOW_OPTION_YES;
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7235
#else
7236
  have_compress= SHOW_OPTION_NO;
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#endif
#ifdef HAVE_LIBWRAP
  libwrapName= NullS;
#endif
#ifdef HAVE_OPENSSL
  des_key_file = 0;
  ssl_acceptor_fd= 0;
#endif
#ifdef HAVE_SMEM
  shared_memory_base_name= default_shared_memory_base_name;
#endif
#if !defined(my_pthread_setprio) && !defined(HAVE_PTHREAD_SETSCHEDPARAM)
  opt_specialflag |= SPECIAL_NO_PRIOR;
#endif

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7252 7253
#if defined(__WIN__) || defined(__NETWARE__)
  /* Allow Win32 and NetWare users to move MySQL anywhere */
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7254 7255
  {
    char prg_dev[LIBLEN];
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#if defined __WIN__
	char executing_path_name[LIBLEN];
	if (!test_if_hard_path(my_progname))
	{
		// we don't want to use GetModuleFileName inside of my_path since
		// my_path is a generic path dereferencing function and here we care
		// only about the executing binary.
		GetModuleFileName(NULL, executing_path_name, sizeof(executing_path_name));
		my_path(prg_dev, executing_path_name, NULL);
	}
	else
#endif
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7268 7269 7270 7271 7272 7273
    my_path(prg_dev,my_progname,"mysql/bin");
    strcat(prg_dev,"/../");			// Remove 'bin' to get base dir
    cleanup_dirname(mysql_home,prg_dev);
  }
#else
  const char *tmpenv;
7274
  if (!(tmpenv = getenv("MY_BASEDIR_VERSION")))
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7275
    tmpenv = DEFAULT_MYSQL_HOME;
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7276
  (void) strmake(mysql_home, tmpenv, sizeof(mysql_home)-1);
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7277 7278 7279 7280
#endif
}


7281 7282 7283 7284
my_bool
mysqld_get_one_option(int optid,
                      const struct my_option *opt __attribute__((unused)),
                      char *argument)
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7285
{
7286 7287
  switch(optid) {
  case '#':
7288
#ifndef DBUG_OFF
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serg@serg.mylan committed
7289
    DBUG_SET_INITIAL(argument ? argument : default_dbug_option);
7290 7291 7292 7293
#endif
    opt_endinfo=1;				/* unireg: memory allocation */
    break;
  case 'a':
7294
    global_system_variables.sql_mode= fix_sql_mode(MODE_ANSI);
7295
    global_system_variables.tx_isolation= ISO_SERIALIZABLE;
7296 7297 7298 7299
    break;
  case 'b':
    strmake(mysql_home,argument,sizeof(mysql_home)-1);
    break;
7300
  case 'C':
7301 7302
    if (default_collation_name == compiled_default_collation_name)
      default_collation_name= 0;
7303
    break;
7304 7305 7306 7307 7308
  case 'l':
    opt_log=1;
    break;
  case 'h':
    strmake(mysql_real_data_home,argument, sizeof(mysql_real_data_home)-1);
7309 7310
    /* Correct pointer set by my_getopt (for embedded library) */
    mysql_data_home= mysql_real_data_home;
7311
    mysql_data_home_len= strlen(mysql_data_home);
7312
    break;
7313
  case 'u':
7314
    if (!mysqld_user || !strcmp(mysqld_user, argument))
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7315
      mysqld_user= argument;
7316
    else
7317
      sql_print_warning("Ignoring user change to '%s' because the user was set to '%s' earlier on the command line\n", argument, mysqld_user);
7318
    break;
7319 7320 7321
  case 'L':
    strmake(language, argument, sizeof(language)-1);
    break;
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SCRUM  
hf@deer.mysql.r18.ru committed
7322
#ifdef HAVE_REPLICATION
7323 7324 7325
  case OPT_SLAVE_SKIP_ERRORS:
    init_slave_skip_errors(argument);
    break;
7326
#endif
7327
  case OPT_SAFEMALLOC_MEM_LIMIT:
7328
#if !defined(DBUG_OFF) && defined(SAFEMALLOC)
7329
    sf_malloc_mem_limit = atoi(argument);
7330
#endif
7331
    break;
7332
#include <sslopt-case.h>
7333 7334 7335
  case 'V':
    print_version();
    exit(0);
7336 7337 7338 7339 7340 7341 7342 7343
  case 'W':
    if (!argument)
      global_system_variables.log_warnings++;
    else if (argument == disabled_my_option)
      global_system_variables.log_warnings= 0L;
    else
      global_system_variables.log_warnings= atoi(argument);
    break;
7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357
  case 'T':
    test_flags= argument ? (uint) atoi(argument) : 0;
    opt_endinfo=1;
    break;
  case (int) OPT_BIG_TABLES:
    thd_startup_options|=OPTION_BIG_TABLES;
    break;
  case (int) OPT_ISAM_LOG:
    opt_myisam_log=1;
    break;
  case (int) OPT_UPDATE_LOG:
    opt_update_log=1;
    break;
  case (int) OPT_BIN_LOG:
7358
    opt_bin_log= test(argument != disabled_my_option);
7359
    break;
7360 7361 7362
  case (int) OPT_ERROR_LOG_FILE:
    opt_error_log= 1;
    break;
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hf@deer.mysql.r18.ru committed
7363
#ifdef HAVE_REPLICATION
7364
  case (int) OPT_INIT_RPL_ROLE:
7365 7366
  {
    int role;
7367
    role= find_type_or_exit(argument, &rpl_role_typelib, opt->name);
7368 7369 7370
    rpl_status = (role == 1) ?  RPL_AUTH_MASTER : RPL_IDLE_SLAVE;
    break;
  }
7371
  case (int)OPT_REPLICATE_IGNORE_DB:
7372
  {
7373
    rpl_filter->add_ignore_db(argument);
7374 7375 7376 7377
    break;
  }
  case (int)OPT_REPLICATE_DO_DB:
  {
7378
    rpl_filter->add_do_db(argument);
7379 7380 7381 7382 7383
    break;
  }
  case (int)OPT_REPLICATE_REWRITE_DB:
  {
    char* key = argument,*p, *val;
7384

7385
    if (!(p= strstr(argument, "->")))
7386
    {
7387 7388 7389
      fprintf(stderr,
	      "Bad syntax in replicate-rewrite-db - missing '->'!\n");
      exit(1);
7390
    }
7391
    val= p--;
7392
    while (my_isspace(mysqld_charset, *p) && p > argument)
7393 7394
      *p-- = 0;
    if (p == argument)
7395
    {
7396 7397 7398
      fprintf(stderr,
	      "Bad syntax in replicate-rewrite-db - empty FROM db!\n");
      exit(1);
7399
    }
7400 7401
    *val= 0;
    val+= 2;
7402
    while (*val && my_isspace(mysqld_charset, *val))
7403 7404
      *val++;
    if (!*val)
7405
    {
7406 7407 7408
      fprintf(stderr,
	      "Bad syntax in replicate-rewrite-db - empty TO db!\n");
      exit(1);
7409 7410
    }

7411
    rpl_filter->add_db_rewrite(key, val);
7412 7413 7414
    break;
  }

7415
  case (int)OPT_BINLOG_IGNORE_DB:
7416
  {
7417
    binlog_filter->add_ignore_db(argument);
7418 7419
    break;
  }
7420 7421 7422
  case OPT_BINLOG_FORMAT:
  {
    int id;
7423
    id= find_type_or_exit(argument, &binlog_format_typelib, opt->name);
7424
    global_system_variables.binlog_format= opt_binlog_format_id= id - 1;
7425 7426
    break;
  }
7427
  case (int)OPT_BINLOG_DO_DB:
7428
  {
7429
    binlog_filter->add_do_db(argument);
7430 7431
    break;
  }
7432
  case (int)OPT_REPLICATE_DO_TABLE:
7433
  {
7434
    if (rpl_filter->add_do_table(argument))
7435
    {
7436 7437
      fprintf(stderr, "Could not add do table rule '%s'!\n", argument);
      exit(1);
7438
    }
7439 7440
    break;
  }
7441
  case (int)OPT_REPLICATE_WILD_DO_TABLE:
7442
  {
7443
    if (rpl_filter->add_wild_do_table(argument))
7444
    {
7445 7446
      fprintf(stderr, "Could not add do table rule '%s'!\n", argument);
      exit(1);
7447
    }
7448 7449
    break;
  }
7450
  case (int)OPT_REPLICATE_WILD_IGNORE_TABLE:
7451
  {
7452
    if (rpl_filter->add_wild_ignore_table(argument))
7453
    {
7454 7455
      fprintf(stderr, "Could not add ignore table rule '%s'!\n", argument);
      exit(1);
7456
    }
7457 7458
    break;
  }
7459
  case (int)OPT_REPLICATE_IGNORE_TABLE:
7460
  {
7461
    if (rpl_filter->add_ignore_table(argument))
7462
    {
7463 7464
      fprintf(stderr, "Could not add ignore table rule '%s'!\n", argument);
      exit(1);
7465
    }
7466 7467
    break;
  }
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7468
#endif /* HAVE_REPLICATION */
7469
  case (int) OPT_SLOW_QUERY_LOG:
7470
    opt_slow_log= 1;
7471
    break;
7472
#ifdef WITH_CSV_STORAGE_ENGINE
7473 7474 7475 7476 7477 7478 7479 7480 7481 7482
  case  OPT_LOG_OUTPUT:
  {
    if (!argument || !argument[0])
    {
      log_output_options= LOG_TABLE;
      log_output_str= log_output_typelib.type_names[1];
    }
    else
    {
      log_output_str= argument;
7483 7484 7485
      log_output_options=
        find_bit_type_or_exit(argument, &log_output_typelib, opt->name);
  }
7486
    break;
7487
  }
7488
#endif
7489
  case OPT_EVENT_SCHEDULER:
7490
    if (Events::set_opt_event_scheduler(argument))
7491
	exit(1);
7492
    break;
7493 7494
  case (int) OPT_SKIP_NEW:
    opt_specialflag|= SPECIAL_NO_NEW_FUNC;
7495
    delay_key_write_options= (uint) DELAY_KEY_WRITE_NONE;
7496 7497
    myisam_concurrent_insert=0;
    myisam_recover_options= HA_RECOVER_NONE;
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7498
    sp_automatic_privileges=0;
7499
    my_use_symdir=0;
7500
    ha_open_options&= ~(HA_OPEN_ABORT_IF_CRASHED | HA_OPEN_DELAY_KEY_WRITE);
7501
#ifdef HAVE_QUERY_CACHE
7502 7503 7504 7505 7506
    query_cache_size=0;
#endif
    break;
  case (int) OPT_SAFE:
    opt_specialflag|= SPECIAL_SAFE_MODE;
7507
    delay_key_write_options= (uint) DELAY_KEY_WRITE_NONE;
7508 7509
    myisam_recover_options= HA_RECOVER_DEFAULT;
    ha_open_options&= ~(HA_OPEN_DELAY_KEY_WRITE);
7510 7511 7512 7513 7514
    break;
  case (int) OPT_SKIP_PRIOR:
    opt_specialflag|= SPECIAL_NO_PRIOR;
    break;
  case (int) OPT_SKIP_LOCK:
7515
    opt_external_locking=0;
7516 7517 7518 7519 7520 7521 7522 7523
    break;
  case (int) OPT_SKIP_HOST_CACHE:
    opt_specialflag|= SPECIAL_NO_HOST_CACHE;
    break;
  case (int) OPT_SKIP_RESOLVE:
    opt_specialflag|=SPECIAL_NO_RESOLVE;
    break;
  case (int) OPT_SKIP_NETWORKING:
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7524 7525 7526
#if defined(__NETWARE__)
    sql_perror("Can't start server: skip-networking option is currently not supported on NetWare");
    exit(1);
7527
#endif
7528
    opt_disable_networking=1;
7529
    mysqld_port=0;
7530 7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544
    break;
  case (int) OPT_SKIP_SHOW_DB:
    opt_skip_show_db=1;
    opt_specialflag|=SPECIAL_SKIP_SHOW_DB;
    break;
  case (int) OPT_WANT_CORE:
    test_flags |= TEST_CORE_ON_SIGNAL;
    break;
  case (int) OPT_SKIP_STACK_TRACE:
    test_flags|=TEST_NO_STACKTRACE;
    break;
  case (int) OPT_SKIP_SYMLINKS:
    my_use_symdir=0;
    break;
  case (int) OPT_BIND_ADDRESS:
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7545
    if ((my_bind_addr= (ulong) inet_addr(argument)) == INADDR_NONE)
7546 7547
    {
      struct hostent *ent;
7548
      if (argument[0])
7549
	ent=gethostbyname(argument);
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bk@work.mysql.com committed
7550 7551
      else
      {
7552 7553
	char myhostname[255];
	if (gethostname(myhostname,sizeof(myhostname)) < 0)
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7554
	{
7555
	  sql_perror("Can't start server: cannot get my own hostname!");
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7556 7557
	  exit(1);
	}
7558
	ent=gethostbyname(myhostname);
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7559
      }
7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570
      if (!ent)
      {
	sql_perror("Can't start server: cannot resolve hostname!");
	exit(1);
      }
      my_bind_addr = (ulong) ((in_addr*)ent->h_addr_list[0])->s_addr;
    }
    break;
  case (int) OPT_PID_FILE:
    strmake(pidfile_name, argument, sizeof(pidfile_name)-1);
    break;
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7571
#ifdef __WIN__
7572 7573
  case (int) OPT_STANDALONE:		/* Dummy option for NT */
    break;
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7574
#endif
7575
  /*
7576 7577 7578 7579 7580 7581 7582 7583 7584 7585 7586 7587 7588 7589 7590 7591 7592 7593
    The following change issues a deprecation warning if the slave
    configuration is specified either in the my.cnf file or on
    the command-line. See BUG#21490.
  */
  case OPT_MASTER_HOST:
  case OPT_MASTER_USER:
  case OPT_MASTER_PASSWORD:
  case OPT_MASTER_PORT:
  case OPT_MASTER_CONNECT_RETRY:
  case OPT_MASTER_SSL:          
  case OPT_MASTER_SSL_KEY:
  case OPT_MASTER_SSL_CERT:       
  case OPT_MASTER_SSL_CAPATH:
  case OPT_MASTER_SSL_CIPHER:
  case OPT_MASTER_SSL_CA:
    if (!slave_warning_issued)                 //only show the warning once
    {
      slave_warning_issued = true;   
7594
      WARN_DEPRECATED(NULL, "5.2", "for replication startup options", 
7595 7596 7597
        "'CHANGE MASTER'");
    }
    break;
7598 7599 7600 7601
  case OPT_CONSOLE:
    if (opt_console)
      opt_error_log= 0;			// Force logs to stdout
    break;
7602 7603 7604 7605 7606 7607
  case (int) OPT_FLUSH:
    myisam_flush=1;
    flush_time=0;			// No auto flush
    break;
  case OPT_LOW_PRIORITY_UPDATES:
    thr_upgraded_concurrent_insert_lock= TL_WRITE_LOW_PRIORITY;
7608
    global_system_variables.low_priority_updates=1;
7609 7610 7611 7612 7613 7614 7615
    break;
  case OPT_BOOTSTRAP:
    opt_noacl=opt_bootstrap=1;
    break;
  case OPT_SERVER_ID:
    server_id_supplied = 1;
    break;
7616 7617 7618 7619
  case OPT_DELAY_KEY_WRITE_ALL:
    if (argument != disabled_my_option)
      argument= (char*) "ALL";
    /* Fall through */
7620
  case OPT_DELAY_KEY_WRITE:
7621 7622 7623 7624 7625 7626 7627
    if (argument == disabled_my_option)
      delay_key_write_options= (uint) DELAY_KEY_WRITE_NONE;
    else if (! argument)
      delay_key_write_options= (uint) DELAY_KEY_WRITE_ON;
    else
    {
      int type;
7628
      type= find_type_or_exit(argument, &delay_key_write_typelib, opt->name);
7629 7630
      delay_key_write_options= (uint) type-1;
    }
7631 7632 7633 7634 7635 7636
    break;
  case OPT_CHARSETS_DIR:
    strmake(mysql_charsets_dir, argument, sizeof(mysql_charsets_dir)-1);
    charsets_dir = mysql_charsets_dir;
    break;
  case OPT_TX_ISOLATION:
7637 7638
  {
    int type;
7639
    type= find_type_or_exit(argument, &tx_isolation_typelib, opt->name);
7640
    global_system_variables.tx_isolation= (type-1);
7641 7642
    break;
  }
7643
#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
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7644 7645 7646 7647 7648 7649 7650 7651 7652 7653 7654 7655 7656 7657 7658 7659 7660 7661 7662 7663 7664 7665 7666
  case OPT_NDB_MGMD:
  case OPT_NDB_NODEID:
  {
    int len= my_snprintf(opt_ndb_constrbuf+opt_ndb_constrbuf_len,
			 sizeof(opt_ndb_constrbuf)-opt_ndb_constrbuf_len,
			 "%s%s%s",opt_ndb_constrbuf_len > 0 ? ",":"",
			 optid == OPT_NDB_NODEID ? "nodeid=" : "",
			 argument);
    opt_ndb_constrbuf_len+= len;
  }
  /* fall through to add the connectstring to the end
   * and set opt_ndbcluster_connectstring
   */
  case OPT_NDB_CONNECTSTRING:
    if (opt_ndb_connectstring && opt_ndb_connectstring[0])
      my_snprintf(opt_ndb_constrbuf+opt_ndb_constrbuf_len,
		  sizeof(opt_ndb_constrbuf)-opt_ndb_constrbuf_len,
		  "%s%s", opt_ndb_constrbuf_len > 0 ? ",":"",
		  opt_ndb_connectstring);
    else
      opt_ndb_constrbuf[opt_ndb_constrbuf_len]= 0;
    opt_ndbcluster_connectstring= opt_ndb_constrbuf;
    break;
7667 7668
  case OPT_NDB_DISTRIBUTION:
    int id;
7669
    id= find_type_or_exit(argument, &ndb_distribution_typelib, opt->name);
7670 7671
    opt_ndb_distribution_id= (enum ndb_distribution)(id-1);
    break;
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  case OPT_NDB_EXTRA_LOGGING:
    if (!argument)
      ndb_extra_logging++;
    else if (argument == disabled_my_option)
      ndb_extra_logging= 0L;
    else
      ndb_extra_logging= atoi(argument);
    break;
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7680
#endif
7681
  case OPT_MYISAM_RECOVER:
7682
  {
7683
    if (!argument)
7684
    {
7685 7686
      myisam_recover_options=    HA_RECOVER_DEFAULT;
      myisam_recover_options_str= myisam_recover_typelib.type_names[0];
7687
    }
7688 7689 7690 7691 7692
    else if (!argument[0])
    {
      myisam_recover_options= HA_RECOVER_NONE;
      myisam_recover_options_str= "OFF";
    }
7693
    else
7694
    {
7695
      myisam_recover_options_str=argument;
7696 7697
      myisam_recover_options=
        find_bit_type_or_exit(argument, &myisam_recover_typelib, opt->name);
7698
    }
7699 7700 7701
    ha_open_options|=HA_OPEN_ABORT_IF_CRASHED;
    break;
  }
7702 7703 7704 7705 7706 7707 7708
  case OPT_CONCURRENT_INSERT:
    /* The following code is mainly here to emulate old behavior */
    if (!argument)                      /* --concurrent-insert */
      myisam_concurrent_insert= 1;
    else if (argument == disabled_my_option)
      myisam_concurrent_insert= 0;      /* --skip-concurrent-insert */
    break;
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7709
  case OPT_TC_HEURISTIC_RECOVER:
7710 7711 7712 7713
    tc_heuristic_recover= find_type_or_exit(argument,
                                            &tc_heuristic_recover_typelib,
                                            opt->name);
    break;
7714 7715
  case OPT_MYISAM_STATS_METHOD:
  {
7716
    ulong method_conv;
7717
    int method;
7718 7719
    LINT_INIT(method_conv);

7720
    myisam_stats_method_str= argument;
7721 7722
    method= find_type_or_exit(argument, &myisam_stats_method_typelib,
                              opt->name);
7723
    switch (method-1) {
7724 7725
    case 2:
      method_conv= MI_STATS_METHOD_IGNORE_NULLS;
7726 7727
      break;
    case 1:
7728
      method_conv= MI_STATS_METHOD_NULLS_EQUAL;
7729
      break;
7730 7731
    case 0:
    default:
7732
      method_conv= MI_STATS_METHOD_NULLS_NOT_EQUAL;
7733 7734 7735
      break;
    }
    global_system_variables.myisam_stats_method= method_conv;
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7736 7737
    break;
  }
7738 7739
  case OPT_SQL_MODE:
  {
7740
    sql_mode_str= argument;
7741 7742
    global_system_variables.sql_mode=
      find_bit_type_or_exit(argument, &sql_mode_typelib, opt->name);
7743 7744
    global_system_variables.sql_mode= fix_sql_mode(global_system_variables.
						   sql_mode);
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7745
    break;
7746
  }
7747
  case OPT_ONE_THREAD:
7748 7749
    global_system_variables.thread_handling=
      SCHEDULER_ONE_THREAD_PER_CONNECTION;
7750 7751 7752
    break;
  case OPT_THREAD_HANDLING:
  {
7753
    global_system_variables.thread_handling=
7754
      find_type_or_exit(argument, &thread_handling_typelib, opt->name)-1;
7755 7756
    break;
  }
7757
  case OPT_FT_BOOLEAN_SYNTAX:
7758
    if (ft_boolean_check_syntax_string((uchar*) argument))
7759 7760 7761 7762
    {
      fprintf(stderr, "Invalid ft-boolean-syntax string: %s\n", argument);
      exit(1);
    }
7763
    strmake(ft_boolean_syntax, argument, sizeof(ft_boolean_syntax)-1);
7764 7765
    break;
  case OPT_SKIP_SAFEMALLOC:
7766
#ifdef SAFEMALLOC
7767
    sf_malloc_quick=1;
7768
#endif
7769
    break;
7770 7771
  case OPT_LOWER_CASE_TABLE_NAMES:
    lower_case_table_names= argument ? atoi(argument) : 1;
7772
    lower_case_table_names_used= 1;
7773
    break;
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7774
  }
7775 7776
  return 0;
}
7777 7778 7779


/* Handle arguments for multiple key caches */
7780

7781 7782 7783 7784
extern "C" uchar **mysql_getopt_value(const char *keyname, uint key_length,
                                      const struct my_option *option);

uchar* *
7785
mysql_getopt_value(const char *keyname, uint key_length,
7786 7787
		   const struct my_option *option)
{
7788 7789
  switch (option->id) {
  case OPT_KEY_BUFFER_SIZE:
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7790
  case OPT_KEY_CACHE_BLOCK_SIZE:
7791 7792
  case OPT_KEY_CACHE_DIVISION_LIMIT:
  case OPT_KEY_CACHE_AGE_THRESHOLD:
7793
  {
7794
    KEY_CACHE *key_cache;
7795 7796
    if (!(key_cache= get_or_create_key_cache(keyname, key_length)))
      exit(1);
7797 7798
    switch (option->id) {
    case OPT_KEY_BUFFER_SIZE:
7799
      return (uchar**) &key_cache->param_buff_size;
7800
    case OPT_KEY_CACHE_BLOCK_SIZE:
7801
      return (uchar**) &key_cache->param_block_size;
7802
    case OPT_KEY_CACHE_DIVISION_LIMIT:
7803
      return (uchar**) &key_cache->param_division_limit;
7804
    case OPT_KEY_CACHE_AGE_THRESHOLD:
7805
      return (uchar**) &key_cache->param_age_threshold;
7806
    }
7807 7808
  }
  }
7809
 return option->value;
7810 7811
}

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7812

7813 7814 7815
extern "C" void option_error_reporter(enum loglevel level, const char *format, ...);

void option_error_reporter(enum loglevel level, const char *format, ...)
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7816
{
7817
  va_list args;
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7818
  va_start(args, format);
7819 7820 7821 7822 7823 7824 7825

  /* Don't print warnings for --loose options during bootstrap */
  if (level == ERROR_LEVEL || !opt_bootstrap ||
      global_system_variables.log_warnings)
  {
    vprint_msg_to_log(level, format, args);
  }
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7826
  va_end(args);
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7827
}
7828

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7829

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7830
static void get_options(int *argc,char **argv)
7831 7832 7833
{
  int ho_error;

7834
  my_getopt_register_get_addr(mysql_getopt_value);
7835
  strmake(def_ft_boolean_syntax, ft_boolean_syntax,
7836
	  sizeof(ft_boolean_syntax)-1);
7837
  my_getopt_error_reporter= option_error_reporter;
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7838 7839 7840 7841 7842

  /* Skip unknown options so that they may be processed later by plugins */
  my_getopt_skip_unknown= TRUE;

  if ((ho_error= handle_options(argc, &argv, my_long_options,
7843
                                mysqld_get_one_option)))
7844
    exit(ho_error);
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antony@ppcg5.local committed
7845 7846
  (*argc)++; /* add back one for the progname handle_options removes */
             /* no need to do this for argv as we are discarding it. */
7847

7848 7849
  if ((opt_log_slow_admin_statements || opt_log_queries_not_using_indexes ||
       opt_log_slow_slave_statements) &&
7850
      !opt_slow_log)
7851
    sql_print_warning("options --log-slow-admin-statements, --log-queries-not-using-indexes and --log-slow-slave-statements have no effect if --log-slow-queries is not set");
7852

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kent@mysql.com committed
7853
#if defined(HAVE_BROKEN_REALPATH)
7854 7855 7856 7857 7858 7859 7860 7861 7862 7863
  my_use_symdir=0;
  my_disable_symlinks=1;
  have_symlink=SHOW_OPTION_NO;
#else
  if (!my_use_symdir)
  {
    my_disable_symlinks=1;
    have_symlink=SHOW_OPTION_DISABLED;
  }
#endif
7864 7865 7866 7867 7868 7869
  if (opt_debugging)
  {
    /* Allow break with SIGINT, no core or stack trace */
    test_flags|= TEST_SIGINT | TEST_NO_STACKTRACE;
    test_flags&= ~TEST_CORE_ON_SIGNAL;
  }
7870 7871 7872
  /* Set global MyISAM variables from delay_key_write_options */
  fix_delay_key_write((THD*) 0, OPT_GLOBAL);

7873
#ifndef EMBEDDED_LIBRARY
7874 7875
  if (mysqld_chroot)
    set_root(mysqld_chroot);
7876
#else
7877
  global_system_variables.thread_handling = SCHEDULER_NO_THREADS;
7878 7879
  max_allowed_packet= global_system_variables.max_allowed_packet;
  net_buffer_length= global_system_variables.net_buffer_length;
7880
#endif
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7881
  fix_paths();
7882

7883 7884 7885 7886
  /*
    Set some global variables from the global_system_variables
    In most cases the global variables will not be used
  */
7887
  my_disable_locking= myisam_single_user= test(opt_external_locking == 0);
7888
  my_default_record_cache_size=global_system_variables.read_buff_size;
7889
  myisam_max_temp_length=
7890
    (my_off_t) global_system_variables.myisam_max_sort_file_size;
7891

7892
  /* Set global variables based on startup options */
7893
  myisam_block_size=(uint) 1 << my_bit_log2(opt_myisam_block_size);
7894

7895 7896 7897 7898
  /* long_query_time is in microseconds */
  global_system_variables.long_query_time= max_system_variables.long_query_time=
    (longlong) (long_query_time * 1000000.0);

7899 7900
  if (opt_short_log_format)
    opt_specialflag|= SPECIAL_SHORT_LOG_FORMAT;
7901

7902
  if (init_global_datetime_format(MYSQL_TIMESTAMP_DATE,
7903
				  &global_system_variables.date_format) ||
7904
      init_global_datetime_format(MYSQL_TIMESTAMP_TIME,
7905
				  &global_system_variables.time_format) ||
7906
      init_global_datetime_format(MYSQL_TIMESTAMP_DATETIME,
7907 7908
				  &global_system_variables.datetime_format))
    exit(1);
7909

7910 7911 7912 7913 7914 7915 7916 7917 7918 7919 7920
#ifdef EMBEDDED_LIBRARY
  one_thread_scheduler(&thread_scheduler);
#else
  if (global_system_variables.thread_handling <=
      SCHEDULER_ONE_THREAD_PER_CONNECTION)
    one_thread_per_connection_scheduler(&thread_scheduler);
  else if (global_system_variables.thread_handling == SCHEDULER_NO_THREADS)
    one_thread_scheduler(&thread_scheduler);
  else
    pool_of_threads_scheduler(&thread_scheduler);  /* purecov: tested */
#endif
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7921 7922 7923
}


7924 7925 7926 7927 7928 7929 7930 7931 7932 7933
/*
  Create version name for running mysqld version
  We automaticly add suffixes -debug, -embedded and -log to the version
  name to make the version more descriptive.
  (MYSQL_SERVER_SUFFIX is set by the compilation environment)
*/

static void set_server_version(void)
{
  char *end= strxmov(server_version, MYSQL_SERVER_VERSION,
7934
                     MYSQL_SERVER_SUFFIX_STR, NullS);
7935 7936 7937 7938
#ifdef EMBEDDED_LIBRARY
  end= strmov(end, "-embedded");
#endif
#ifndef DBUG_OFF
7939
  if (!strstr(MYSQL_SERVER_SUFFIX_STR, "-debug"))
7940 7941 7942 7943 7944 7945 7946
    end= strmov(end, "-debug");
#endif
  if (opt_log || opt_update_log || opt_slow_log || opt_bin_log)
    strmov(end, "-log");                        // This may slow down system
}


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7947 7948 7949
static char *get_relative_path(const char *path)
{
  if (test_if_hard_path(path) &&
7950
      is_prefix(path,DEFAULT_MYSQL_HOME) &&
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bk@work.mysql.com committed
7951 7952
      strcmp(DEFAULT_MYSQL_HOME,FN_ROOTDIR))
  {
7953
    path+=(uint) strlen(DEFAULT_MYSQL_HOME);
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7954 7955 7956 7957 7958 7959 7960
    while (*path == FN_LIBCHAR)
      path++;
  }
  return (char*) path;
}


7961 7962 7963 7964 7965 7966 7967
/*
  Fix filename and replace extension where 'dir' is relative to
  mysql_real_data_home.
  Return 1 if len(path) > FN_REFLEN
*/

bool
7968
fn_format_relative_to_data_home(char * to, const char *name,
7969 7970 7971 7972 7973 7974 7975 7976 7977 7978
				const char *dir, const char *extension)
{
  char tmp_path[FN_REFLEN];
  if (!test_if_hard_path(dir))
  {
    strxnmov(tmp_path,sizeof(tmp_path)-1, mysql_real_data_home,
	     dir, NullS);
    dir=tmp_path;
  }
  return !fn_format(to, name, dir, extension,
7979
		    MY_APPEND_EXT | MY_UNPACK_FILENAME | MY_SAFE_PATH);
7980 7981 7982
}


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7983 7984
static void fix_paths(void)
{
7985
  char buff[FN_REFLEN],*pos;
7986
  convert_dirname(mysql_home,mysql_home,NullS);
7987
  /* Resolve symlinks to allow 'mysql_home' to be a relative symlink */
7988
  my_realpath(mysql_home,mysql_home,MYF(0));
7989 7990 7991 7992 7993 7994 7995
  /* Ensure that mysql_home ends in FN_LIBCHAR */
  pos=strend(mysql_home);
  if (pos[-1] != FN_LIBCHAR)
  {
    pos[0]= FN_LIBCHAR;
    pos[1]= 0;
  }
7996 7997
  convert_dirname(mysql_real_data_home,mysql_real_data_home,NullS);
  convert_dirname(language,language,NullS);
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7998 7999 8000
  (void) my_load_path(mysql_home,mysql_home,""); // Resolve current dir
  (void) my_load_path(mysql_real_data_home,mysql_real_data_home,mysql_home);
  (void) my_load_path(pidfile_name,pidfile_name,mysql_real_data_home);
8001 8002
  (void) my_load_path(opt_plugin_dir, opt_plugin_dir_ptr ? opt_plugin_dir_ptr :
                                      get_relative_path(LIBDIR), mysql_home);
8003
  opt_plugin_dir_ptr= opt_plugin_dir;
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8004

8005
  char *sharedir=get_relative_path(SHAREDIR);
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8006
  if (test_if_hard_path(sharedir))
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8007
    strmake(buff,sharedir,sizeof(buff)-1);		/* purecov: tested */
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8008
  else
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8009
    strxnmov(buff,sizeof(buff)-1,mysql_home,sharedir,NullS);
8010
  convert_dirname(buff,buff,NullS);
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8011 8012 8013 8014 8015
  (void) my_load_path(language,language,buff);

  /* If --character-sets-dir isn't given, use shared library dir */
  if (charsets_dir != mysql_charsets_dir)
  {
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8016 8017
    strxnmov(mysql_charsets_dir, sizeof(mysql_charsets_dir)-1, buff,
	     CHARSET_DIR, NullS);
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  }
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  (void) my_load_path(mysql_charsets_dir, mysql_charsets_dir, buff);
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  convert_dirname(mysql_charsets_dir, mysql_charsets_dir, NullS);
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  charsets_dir=mysql_charsets_dir;
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  if (init_tmpdir(&mysql_tmpdir_list, opt_mysql_tmpdir))
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    exit(1);
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#ifdef HAVE_REPLICATION
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  if (!slave_load_tmpdir)
  {
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    if (!(slave_load_tmpdir = (char*) my_strdup(mysql_tmpdir, MYF(MY_FAE))))
      exit(1);
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  }
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#endif /* HAVE_REPLICATION */
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  /*
    Convert the secure-file-priv option to system format, allowing
    a quick strcmp to check if read or write is in an allowed dir
   */
  if (opt_secure_file_priv)
  {
    convert_dirname(buff, opt_secure_file_priv, NullS);
    my_free(opt_secure_file_priv, MYF(0));
    opt_secure_file_priv= my_strdup(buff, MYF(MY_FAE));
  }
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}


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static ulong find_bit_type_or_exit(const char *x, TYPELIB *bit_lib,
                                   const char *option)
{
  ulong res;

  const char **ptr;
  
  if ((res= find_bit_type(x, bit_lib)) == ~(ulong) 0)
  {
    ptr= bit_lib->type_names;
    if (!*x)
      fprintf(stderr, "No option given to %s\n", option);
    else
      fprintf(stderr, "Wrong option to %s. Option(s) given: %s\n", option, x);
    fprintf(stderr, "Alternatives are: '%s'", *ptr);
    while (*++ptr)
      fprintf(stderr, ",'%s'", *ptr);
    fprintf(stderr, "\n");
    exit(1);
  }
  return res;
}


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/*
  Return a bitfield from a string of substrings separated by ','
  returns ~(ulong) 0 on error.
*/
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static ulong find_bit_type(const char *x, TYPELIB *bit_lib)
{
  bool found_end;
  int  found_count;
  const char *end,*i,*j;
  const char **array, *pos;
  ulong found,found_int,bit;
  DBUG_ENTER("find_bit_type");
  DBUG_PRINT("enter",("x: '%s'",x));

  found=0;
  found_end= 0;
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  pos=(char *) x;
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  while (*pos == ' ') pos++;
  found_end= *pos == 0;
  while (!found_end)
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  {
    if (!*(end=strcend(pos,',')))		/* Let end point at fieldend */
    {
      while (end > pos && end[-1] == ' ')
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	end--;					/* Skip end-space */
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      found_end=1;
    }
    found_int=0; found_count=0;
    for (array=bit_lib->type_names, bit=1 ; (i= *array++) ; bit<<=1)
    {
      j=pos;
      while (j != end)
      {
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	if (my_toupper(mysqld_charset,*i++) !=
            my_toupper(mysqld_charset,*j++))
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	  goto skip;
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      }
      found_int=bit;
      if (! *i)
      {
	found_count=1;
	break;
      }
      else if (j != pos)			// Half field found
      {
	found_count++;				// Could be one of two values
      }
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skip: ;
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    }
    if (found_count != 1)
      DBUG_RETURN(~(ulong) 0);				// No unique value
    found|=found_int;
    pos=end+1;
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  }
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  DBUG_PRINT("exit",("bit-field: %ld",(ulong) found));
  DBUG_RETURN(found);
} /* find_bit_type */


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/*
  Check if file system used for databases is case insensitive

  SYNOPSIS
    test_if_case_sensitive()
    dir_name			Directory to test

  RETURN
    -1  Don't know (Test failed)
    0   File system is case sensitive
    1   File system is case insensitive
*/

static int test_if_case_insensitive(const char *dir_name)
{
  int result= 0;
  File file;
  char buff[FN_REFLEN], buff2[FN_REFLEN];
  MY_STAT stat_info;
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  DBUG_ENTER("test_if_case_insensitive");
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  fn_format(buff, glob_hostname, dir_name, ".lower-test",
	    MY_UNPACK_FILENAME | MY_REPLACE_EXT | MY_REPLACE_DIR);
  fn_format(buff2, glob_hostname, dir_name, ".LOWER-TEST",
	    MY_UNPACK_FILENAME | MY_REPLACE_EXT | MY_REPLACE_DIR);
  (void) my_delete(buff2, MYF(0));
  if ((file= my_create(buff, 0666, O_RDWR, MYF(0))) < 0)
  {
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    sql_print_warning("Can't create test file %s", buff);
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    DBUG_RETURN(-1);
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  }
  my_close(file, MYF(0));
  if (my_stat(buff2, &stat_info, MYF(0)))
    result= 1;					// Can access file
  (void) my_delete(buff, MYF(MY_WME));
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  DBUG_PRINT("exit", ("result: %d", result));
  DBUG_RETURN(result);
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}


/* Create file to store pid number */

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#ifndef EMBEDDED_LIBRARY

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static void create_pid_file()
{
  File file;
  if ((file = my_create(pidfile_name,0664,
			O_WRONLY | O_TRUNC, MYF(MY_WME))) >= 0)
  {
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    char buff[21], *end;
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    end= int10_to_str((long) getpid(), buff, 10);
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    *end++= '\n';
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    if (!my_write(file, (uchar*) buff, (uint) (end-buff), MYF(MY_WME | MY_NABP)))
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    {
      (void) my_close(file, MYF(0));
      return;
    }
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    (void) my_close(file, MYF(0));
  }
8190
  sql_perror("Can't start server: can't create PID file");
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  exit(1);
8192
}
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#endif /* EMBEDDED_LIBRARY */
8194

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/* Clear most status variables */
void refresh_status(THD *thd)
{
  pthread_mutex_lock(&LOCK_status);

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  /* Add thread's status variabes to global status */
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  add_to_status(&global_status_var, &thd->status_var);
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  /* Reset thread's status variables */
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  bzero((uchar*) &thd->status_var, sizeof(thd->status_var));
8205

8206
  /* Reset some global variables */
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  reset_status_vars();
8208

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  /* Reset the counters of all key caches (default and named). */
  process_key_caches(reset_key_cache_counters);
  pthread_mutex_unlock(&LOCK_status);

  /*
    Set max_used_connections to the number of currently open
    connections.  Lock LOCK_thread_count out of LOCK_status to avoid
    deadlocks.  Status reset becomes not atomic, but status data is
    not exact anyway.
  */
  pthread_mutex_lock(&LOCK_thread_count);
  max_used_connections= thread_count-delayed_insert_threads;
  pthread_mutex_unlock(&LOCK_thread_count);
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}


8225
/*****************************************************************************
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  Instantiate variables for missing storage engines
  This section should go away soon
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*****************************************************************************/

#ifndef WITH_NDBCLUSTER_STORAGE_ENGINE
ulong ndb_cache_check_time;
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ulong ndb_extra_logging;
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#endif

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/*****************************************************************************
8236
  Instantiate templates
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*****************************************************************************/

8239
#ifdef HAVE_EXPLICIT_TEMPLATE_INSTANTIATION
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/* Used templates */
template class I_List<THD>;
template class I_List_iterator<THD>;
template class I_List<i_string>;
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template class I_List<i_string_pair>;
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template class I_List<NAMED_LIST>;
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template class I_List<Statement>;
template class I_List_iterator<Statement>;
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#endif