mysqld.cc 139 KB
Newer Older
unknown's avatar
unknown committed
1
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
2

unknown's avatar
unknown committed
3 4 5 6
   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
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
7

unknown's avatar
unknown committed
8 9 10 11
   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.
12

unknown's avatar
unknown committed
13 14 15 16 17 18 19
   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 <mysql.h>
#include <m_ctype.h>
20
#include <my_dir.h>
unknown's avatar
unknown committed
21
#include "sql_acl.h"
22
#include "slave.h"
unknown's avatar
unknown committed
23
#include "stacktrace.h"
unknown's avatar
unknown committed
24 25 26
#ifdef HAVE_BERKELEY_DB
#include "ha_berkeley.h"
#endif
27 28 29
#ifdef HAVE_INNOBASE_DB
#include "ha_innobase.h"
#endif
30 31 32
#ifdef HAVE_GEMINI_DB
#include "ha_gemini.h"
#endif
unknown's avatar
unknown committed
33 34 35 36
#include "ha_myisam.h"
#include <nisam.h>
#include <thr_alarm.h>
#include <ft_global.h>
unknown's avatar
unknown committed
37
#include "vio.h"
unknown's avatar
unknown committed
38

39 40 41 42
#ifndef DBUG_OFF
#define ONE_THREAD
#endif

43 44 45 46 47 48 49
/* do stack traces are only supported on linux intel */
#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__ */

unknown's avatar
unknown committed
50 51 52 53
extern "C" {					// Because of SCO 3.2V4.2
#include <errno.h>
#include <sys/stat.h>
#ifndef __GNU_LIBRARY__
54
#define __GNU_LIBRARY__				// Skip warnings in getopt.h
unknown's avatar
unknown committed
55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
#endif
#include <getopt.h>
#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

#ifndef __WIN__
#include <sys/resource.h>
#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>
#else
#include <windows.h>
#endif // __WIN__

#ifdef HAVE_LIBWRAP
#include <tcpd.h>
#include <syslog.h>
#ifdef NEED_SYS_SYSLOG_H
#include <sys/syslog.h>
#endif /* NEED_SYS_SYSLOG_H */
int allow_severity = LOG_INFO;
int deny_severity = LOG_WARNING;
#endif /* HAVE_LIBWRAP */

94 95 96 97
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif

unknown's avatar
unknown committed
98 99 100 101 102 103
#if defined(__FreeBSD__) && defined(HAVE_IEEEFP_H)
#include <ieeefp.h>
#ifdef HAVE_FP_EXCEPT				// Fix type conflict
typedef fp_except fp_except_t;
#endif

unknown's avatar
unknown committed
104 105 106 107 108
#ifdef _AIX41
extern "C" int initgroups(const char *,int);
#endif


unknown's avatar
unknown committed
109 110 111 112 113 114 115 116 117 118 119 120 121 122
  /* We can't handle floating point expections with threads, so disable
     this on freebsd
  */

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

unknown's avatar
unknown committed
123 124
} /* cplusplus */

unknown's avatar
unknown committed
125 126 127 128 129 130 131 132 133 134 135 136

#if defined(HAVE_LINUXTHREADS)
#define THR_KILL_SIGNAL SIGINT
#else
#define THR_KILL_SIGNAL SIGUSR2		// Can't use this with LinuxThreads
#endif

#ifdef HAVE_GLIBC2_STYLE_GETHOSTBYNAME_R
#include <sys/types.h>
#else
#include <my_pthread.h>			// For thr_setconcurency()
#endif
137
#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE) && !defined(HAVE_mit_thread)
unknown's avatar
unknown committed
138 139 140 141 142 143 144 145 146 147 148
#define SET_RLIMIT_NOFILE
#endif

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

#define MYSQL_KILL_SIGNAL SIGTERM

#ifndef DBUG_OFF
static const char* default_dbug_option=IF_WIN("d:t:i:O,\\mysqld.trace",
149
					      "d:t:i:o,/tmp/mysqld.trace");
unknown's avatar
unknown committed
150 151 152 153 154 155 156 157 158 159 160
#endif

#ifdef __NT__
static char szPipeName [ 257 ];
static SECURITY_ATTRIBUTES saPipeSecurity;
static SECURITY_DESCRIPTOR sdPipeDescriptor;
static HANDLE hPipe = INVALID_HANDLE_VALUE;
static pthread_cond_t COND_handler_count;
static uint handler_count;
#endif
#ifdef __WIN__
unknown's avatar
unknown committed
161
static bool opt_console=0,start_mode=0;
unknown's avatar
unknown committed
162 163
#endif

unknown's avatar
unknown committed
164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
/* Set prefix for windows binary */
#ifdef __WIN__
#undef MYSQL_SERVER_SUFFIX
#ifdef __NT__
#if defined(HAVE_INNOBASE_DB) || defined(HAVE_BERKELEY_DB)
#define MYSQL_SERVER_SUFFIX "-max-nt"
#else
#define MYSQL_SERVER_SUFFIX "-nt"
#endif /* ...DB */
#elif defined(HAVE_INNOBASE_DB) || defined(HAVE_BERKELEY_DB)
#define MYSQL_SERVER_SUFFIX "-max"
#else
#define MYSQL_SERVER_SUFFIX ""
#endif /* __NT__ */
#endif

180 181 182 183 184
#ifdef HAVE_BERKELEY_DB
SHOW_COMP_OPTION have_berkeley_db=SHOW_OPTION_YES;
#else
SHOW_COMP_OPTION have_berkeley_db=SHOW_OPTION_NO;
#endif
185 186
#ifdef HAVE_GEMINI_DB
SHOW_COMP_OPTION have_gemini=SHOW_OPTION_YES;
187
#else
188
SHOW_COMP_OPTION have_gemini=SHOW_OPTION_NO;
189 190
#endif
#ifdef HAVE_INNOBASE_DB
unknown's avatar
unknown committed
191
SHOW_COMP_OPTION have_innodb=SHOW_OPTION_YES;
192
#else
unknown's avatar
unknown committed
193
SHOW_COMP_OPTION have_innodb=SHOW_OPTION_NO;
194
#endif
195 196 197 198 199
#ifndef NO_ISAM
SHOW_COMP_OPTION have_isam=SHOW_OPTION_YES;
#else
SHOW_COMP_OPTION have_isam=SHOW_OPTION_NO;
#endif
200 201 202 203 204 205 206 207 208 209 210 211
#ifdef USE_RAID
SHOW_COMP_OPTION have_raid=SHOW_OPTION_YES;
#else
SHOW_COMP_OPTION have_raid=SHOW_OPTION_NO;
#endif
#ifdef HAVE_OPENSSL
SHOW_COMP_OPTION have_ssl=SHOW_OPTION_YES;
#else
SHOW_COMP_OPTION have_ssl=SHOW_OPTION_NO;
#endif


212
static bool opt_skip_slave_start = 0; // if set, slave is not autostarted
213
static bool opt_do_pstack = 0;
unknown's avatar
unknown committed
214 215 216 217
static ulong opt_specialflag=SPECIAL_ENGLISH;
static my_socket unix_sock= INVALID_SOCKET,ip_sock= INVALID_SOCKET;
static ulong back_log,connect_timeout,concurrency;
static my_string opt_logname=0,opt_update_logname=0,
218
       opt_binlog_index_name = 0,opt_slow_logname=0;
unknown's avatar
unknown committed
219 220 221
static char mysql_home[FN_REFLEN],pidfile_name[FN_REFLEN];
static pthread_t select_thread;
static bool opt_log,opt_update_log,opt_bin_log,opt_slow_log,opt_noacl,
222 223 224 225
	    opt_disable_networking=0, opt_bootstrap=0,opt_skip_show_db=0,
            opt_ansi_mode=0,opt_myisam_log=0,
            opt_large_files=sizeof(my_off_t) > 4;
bool opt_sql_bin_update = 0, opt_log_slave_updates = 0, opt_safe_show_db=0;
226
FILE *bootstrap_file=0;
227
int segfaulted = 0; // ensure we do not enter SIGSEGV handler twice
unknown's avatar
unknown committed
228 229
extern MASTER_INFO glob_mi;
extern int init_master_info(MASTER_INFO* mi);
unknown's avatar
unknown committed
230

unknown's avatar
unknown committed
231 232
// if sql_bin_update is true, SQL_LOG_UPDATE and SQL_LOG_BIN are kept in sync,
// and are treated as aliases for each other
unknown's avatar
unknown committed
233 234 235 236 237 238

static bool kill_in_progress=FALSE;
static struct rand_struct sql_rand;
static int cleanup_done;
static char **defaults_argv,time_zone[30];
static const char *default_table_type_name;
unknown's avatar
unknown committed
239
static char glob_hostname[FN_REFLEN];
unknown's avatar
unknown committed
240 241

#ifdef HAVE_OPENSSL
unknown's avatar
unknown committed
242
static bool opt_use_ssl = FALSE;
unknown's avatar
unknown committed
243 244 245 246
static char *opt_ssl_key = 0;
static char *opt_ssl_cert = 0;
static char *opt_ssl_ca = 0;
static char *opt_ssl_capath = 0;
unknown's avatar
unknown committed
247
static struct st_VioSSLAcceptorFd * ssl_acceptor_fd = 0;
unknown's avatar
unknown committed
248 249 250
#endif /* HAVE_OPENSSL */


unknown's avatar
unknown committed
251
I_List <i_string_pair> replicate_rewrite_db;
unknown's avatar
unknown committed
252 253 254 255
I_List<i_string> replicate_do_db, replicate_ignore_db;
// allow the user to tell us which db to replicate and which to ignore
I_List<i_string> binlog_do_db, binlog_ignore_db;

256 257 258 259
/* if we guessed server_id , we need to know about it */
uint32 server_id = 0;
bool server_id_supplied = 0;

unknown's avatar
unknown committed
260
uint mysql_port;
261
uint test_flags = 0, select_errors=0, dropping_tables=0,ha_open_options=0;
unknown's avatar
unknown committed
262 263 264
uint volatile thread_count=0, thread_running=0, kill_cached_threads=0,
	      wake_thread=0, global_read_lock=0;
ulong thd_startup_options=(OPTION_UPDATE_LOG | OPTION_AUTO_IS_NULL |
265
			   OPTION_BIN_LOG | OPTION_QUOTE_SHOW_CREATE );
unknown's avatar
unknown committed
266 267 268 269 270 271
uint protocol_version=PROTOCOL_VERSION;
ulong keybuff_size,sortbuff_size,max_item_sort_length,table_cache_size,
      max_join_size,join_buff_size,tmp_table_size,thread_stack,
      thread_stack_min,net_wait_timeout,what_to_log= ~ (1L << (uint) COM_TIME),
      query_buff_size, lower_case_table_names, mysqld_net_retry_count,
      net_interactive_timeout, slow_launch_time = 2L,
unknown's avatar
unknown committed
272
      net_read_timeout,net_write_timeout,slave_open_temp_tables=0,
273
      open_files_limit=0, max_binlog_size;
274
ulong thread_cache_size=0, binlog_cache_size=0, max_binlog_cache_size=0;
unknown's avatar
unknown committed
275 276
volatile ulong cached_thread_count=0;

277
// replication parameters, if master_host is not NULL, we are a slave
unknown's avatar
unknown committed
278 279
my_string master_user = (char*) "test", master_password = 0, master_host=0,
  master_info_file = (char*) "master.info";
280
const char *localhost=LOCAL_HOST;
281
const char *delayed_user="DELAYED";
unknown's avatar
unknown committed
282 283 284 285 286
uint master_port = MYSQL_PORT, master_connect_retry = 60;

ulong max_tmp_tables,max_heap_table_size;
ulong bytes_sent = 0L, bytes_received = 0L;

287
bool opt_endinfo,using_udf_functions,low_priority_updates, locked_in_memory;
unknown's avatar
unknown committed
288
bool opt_using_transactions, using_update_log;
289
bool volatile abort_loop,select_thread_in_use,grant_option;
unknown's avatar
unknown committed
290 291 292 293 294
bool volatile ready_to_exit,shutdown_in_progress;
ulong refresh_version=1L,flush_version=1L;	/* Increments on each reload */
ulong query_id=1L,long_query_count,long_query_time,aborted_threads,
      aborted_connects,delayed_insert_timeout,delayed_insert_limit,
      delayed_queue_size,delayed_insert_threads,delayed_insert_writes,
295
      delayed_rows_in_use,delayed_insert_errors,flush_time, thread_created;
296
ulong filesort_rows, filesort_range_count, filesort_scan_count;
297
ulong filesort_merge_passes;
298 299
ulong select_range_check_count, select_range_count, select_scan_count;
ulong select_full_range_join_count,select_full_join_count;
300 301
ulong specialflag=0,opened_tables=0,created_tmp_tables=0,
      created_tmp_disk_tables=0;
unknown's avatar
unknown committed
302
ulong max_connections,max_insert_delayed_threads,max_used_connections,
unknown's avatar
unknown committed
303
      max_connect_errors, max_user_connections = 0;
unknown's avatar
unknown committed
304 305
ulong thread_id=1L,current_pid;
ulong slow_launch_threads = 0;
306 307
ulong myisam_max_sort_file_size, myisam_max_extra_sort_file_size;
  
unknown's avatar
unknown committed
308 309 310 311 312
char mysql_real_data_home[FN_REFLEN],
     mysql_data_home[2],language[LIBLEN],reg_ext[FN_EXTLEN],
     default_charset[LIBLEN],mysql_charsets_dir[FN_REFLEN], *charsets_list,
     blob_newline,f_fyllchar,max_sort_char,*mysqld_user,*mysqld_chroot,
     *opt_init_file;
313
char *opt_bin_logname = 0; // this one needs to be seen in sql_parse.cc
unknown's avatar
unknown committed
314
char server_version[SERVER_VERSION_LENGTH]=MYSQL_SERVER_VERSION;
unknown's avatar
unknown committed
315 316
const char *first_keyword="first";
const char **errmesg;			/* Error messages */
317
const char *myisam_recover_options_str="OFF";
318
const char *default_tx_isolation_name;
unknown's avatar
unknown committed
319
enum_tx_isolation default_tx_isolation=ISO_READ_COMMITTED;
320

321 322 323
#ifdef HAVE_GEMINI_DB
const char *gemini_recovery_options_str="FULL";
#endif
unknown's avatar
unknown committed
324 325 326 327 328 329 330
my_string mysql_unix_port=NULL,mysql_tmpdir=NULL;
ulong my_bind_addr;			/* the address we bind to */
DATE_FORMAT dayord;
double log_10[32];			/* 10 potences */
I_List<THD> threads,thread_cache;
time_t start_time;

unknown's avatar
unknown committed
331

332
MY_BITMAP temp_pool;
unknown's avatar
unknown committed
333
bool use_temp_pool=0;
334

unknown's avatar
unknown committed
335 336 337 338 339 340 341
pthread_key(MEM_ROOT*,THR_MALLOC);
pthread_key(THD*, THR_THD);
pthread_key(NET*, THR_NET);
pthread_mutex_t LOCK_mysql_create_db, LOCK_Acl, LOCK_open, LOCK_thread_count,
		LOCK_mapped_file, LOCK_status, LOCK_grant,
		LOCK_error_log,
		LOCK_delayed_insert, LOCK_delayed_status, LOCK_delayed_create,
342
		LOCK_crypt, LOCK_bytes_sent, LOCK_bytes_received,
unknown's avatar
unknown committed
343 344
                LOCK_binlog_update, LOCK_slave, LOCK_server_id,
		LOCK_user_conn;
unknown's avatar
unknown committed
345

346
pthread_cond_t COND_refresh,COND_thread_count,COND_binlog_update,
347
  COND_slave_stopped, COND_slave_start;
unknown's avatar
unknown committed
348 349 350 351 352 353 354 355 356 357 358 359 360
pthread_cond_t COND_thread_cache,COND_flush_thread_cache;
pthread_t signal_thread;
pthread_attr_t connection_attrib;
enum db_type default_table_type=DB_TYPE_MYISAM;

#ifdef __WIN__
#undef	 getpid
#include <process.h>
HANDLE hEventShutdown;
#include "nt_servc.h"
static	 NTService  Service;	      // Service object for WinNT
#endif

361
static void start_signal_handler(void);
unknown's avatar
unknown committed
362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379
static void *signal_hand(void *arg);
static void set_options(void);
static void get_options(int argc,char **argv);
static char *get_relative_path(const char *path);
static void fix_paths(void);
static pthread_handler_decl(handle_connections_sockets,arg);
static int bootstrap(FILE *file);
static bool read_init_file(char *file_name);
#ifdef __NT__
static pthread_handler_decl(handle_connections_namedpipes,arg);
#endif
#ifdef __WIN__
static int get_service_parameters();
#endif
extern pthread_handler_decl(handle_slave,arg);
#ifdef SET_RLIMIT_NOFILE
static uint set_maximum_open_files(uint max_file_limit);
#endif
380
static ulong find_bit_type(const char *x, TYPELIB *bit_lib);
unknown's avatar
unknown committed
381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398

/****************************************************************************
** Code to end mysqld
****************************************************************************/

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

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

  /* kill flush thread */
399 400
  (void) pthread_mutex_lock(&LOCK_manager);
  if (manager_thread_in_use)
unknown's avatar
unknown committed
401
  {
402 403
    DBUG_PRINT("quit",("killing manager thread: %lx",manager_thread));
   (void) pthread_cond_signal(&COND_manager);
unknown's avatar
unknown committed
404
  }
405
  (void) pthread_mutex_unlock(&LOCK_manager);
unknown's avatar
unknown committed
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440

  /* kill connection thread */
#if !defined(__WIN__) && !defined(__EMX__)
  DBUG_PRINT("quit",("waiting for select thread: %lx",select_thread));
  (void) pthread_mutex_lock(&LOCK_thread_count);

  while (select_thread_in_use)
  {
    struct timespec abstime;
    int error;
    LINT_INIT(error);
#ifndef DONT_USE_THR_ALARM
    if (pthread_kill(select_thread,THR_CLIENT_ALARM))
      break;					// allready dead
#endif
#ifdef HAVE_TIMESPEC_TS_SEC
    abstime.ts_sec=time(NULL)+2;		// Bsd 2.1
    abstime.ts_nsec=0;
#else
    struct timeval tv;
    gettimeofday(&tv,0);
    abstime.tv_sec=tv.tv_sec+2;
    abstime.tv_nsec=tv.tv_usec*1000;
#endif
    for (uint tmp=0 ; tmp < 10 ; tmp++)
    {
      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
441
#if defined(HAVE_DEC_3_2_THREADS) || defined(SIGNALS_DONT_BREAK_READ)
unknown's avatar
unknown committed
442 443
    if (ip_sock != INVALID_SOCKET)
    {
unknown's avatar
unknown committed
444
      DBUG_PRINT("error",("closing TCP/IP and socket files"));
unknown's avatar
unknown committed
445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471
      VOID(shutdown(ip_sock,2));
      VOID(closesocket(ip_sock));
      VOID(shutdown(unix_sock,2));
      VOID(closesocket(unix_sock));
      VOID(unlink(mysql_unix_port));
      ip_sock=unix_sock= INVALID_SOCKET;
    }
#endif
  }
  (void) pthread_mutex_unlock(&LOCK_thread_count);
#endif /* __WIN__ */


  /* Abort listening to new connections */
  DBUG_PRINT("quit",("Closing sockets"));
  if ( !opt_disable_networking )
  {
    if (ip_sock != INVALID_SOCKET)
    {
      (void) shutdown(ip_sock,2);
      (void) closesocket(ip_sock);
      ip_sock= INVALID_SOCKET;
    }
  }
#ifdef __NT__
  if ( hPipe != INVALID_HANDLE_VALUE )
  {
unknown's avatar
unknown committed
472
    HANDLE hTempPipe = &hPipe;
unknown's avatar
unknown committed
473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521
    DBUG_PRINT( "quit", ("Closing named pipes") );
    hPipe = INVALID_HANDLE_VALUE;
    CancelIo( hTempPipe );
    DisconnectNamedPipe( hTempPipe );
    CloseHandle( hTempPipe );
  }
#endif
#ifdef HAVE_SYS_UN_H
  if (unix_sock != INVALID_SOCKET)
  {
    (void) shutdown(unix_sock,2);
    (void) closesocket(unix_sock);
    (void) unlink(mysql_unix_port);
    unix_sock= INVALID_SOCKET;
  }
#endif
  end_thr_alarm();			 // Don't allow alarms

  /* First signal all threads that it's time to die */

  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));
    tmp->killed=1;
    if (tmp->mysys_var)
    {
      tmp->mysys_var->abort=1;
      if (tmp->mysys_var->current_mutex)
      {
	pthread_mutex_lock(tmp->mysys_var->current_mutex);
	pthread_cond_broadcast(tmp->mysys_var->current_cond);
	pthread_mutex_unlock(tmp->mysys_var->current_mutex);
      }
    }
  }
  (void) pthread_mutex_unlock(&LOCK_thread_count); // For unlink from list

  if (thread_count)
  {
    sleep(1);					// Give threads time to die
  }

  /* Force remaining threads to die by closing the connection to the client */

unknown's avatar
unknown committed
522
  (void) my_net_init(&net, (st_vio*) 0);
unknown's avatar
unknown committed
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554
  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
    if ((net.vio=tmp->net.vio) != 0)
    {
      sql_print_error(ER(ER_FORCING_CLOSE),my_progname,
		      tmp->thread_id,tmp->user ? tmp->user : "");
      close_connection(&net,0,0);
    }
#endif
    DBUG_PRINT("quit",("Unlocking LOCK_thread_count"));
    (void) pthread_mutex_unlock(&LOCK_thread_count);
  }
  net_end(&net);
  /* 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);

555
  mysql_log.close(1);
556
  mysql_slow_log.close(1);
557 558
  mysql_update_log.close(1);
  mysql_bin_log.close(1);
unknown's avatar
unknown committed
559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669
  DBUG_PRINT("quit",("close_connections thread"));
  DBUG_VOID_RETURN;
}

void kill_mysql(void)
{
  DBUG_ENTER("kill_mysql");

#if defined(__WIN__)
  {
    if (!SetEvent(hEventShutdown))
    {
      DBUG_PRINT("error",("Got error: %ld from SetEvent",GetLastError()));
    }
    // or:
    // HANDLE hEvent=OpenEvent(0, FALSE, "MySqlShutdown");
    // SetEvent(hEventShutdown);
    // CloseHandle(hEvent);
  }
#elif defined(HAVE_PTHREAD_KILL)
    if (pthread_kill(signal_thread,SIGTERM))	/* End everything nicely */
    {
      DBUG_PRINT("error",("Got error %d from pthread_kill",errno)); /* purecov: inspected */
    }
#else
    kill(current_pid,SIGTERM);
#endif
    DBUG_PRINT("quit",("After pthread_kill"));
    shutdown_in_progress=1;			// Safety if kill didn't work
    DBUG_VOID_RETURN;
}


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

#ifndef __WIN__
static void *kill_server(void *sig_ptr)
#define RETURN_FROM_KILL_SERVER return 0
#else
static void __cdecl kill_server(int sig_ptr)
#define RETURN_FROM_KILL_SERVER return
#endif
{
  int sig=(int) (long) sig_ptr;			// This is passed a int
  DBUG_ENTER("kill_server");

  // if there is a signal during the kill in progress, we do not need
  // another one
  if (kill_in_progress)				// Safety
    RETURN_FROM_KILL_SERVER;
  kill_in_progress=TRUE;
  abort_loop=1;					// This should be set
  signal(sig,SIG_IGN);
  if (sig == MYSQL_KILL_SIGNAL || sig == 0)
    sql_print_error(ER(ER_NORMAL_SHUTDOWN),my_progname);
  else
    sql_print_error(ER(ER_GOT_SIGNAL),my_progname,sig); /* purecov: inspected */

#if defined(USE_ONE_SIGNAL_HAND) && !defined(__WIN__)
  my_thread_init();				// If this is a new thread
#endif
  close_connections();
  if (sig != MYSQL_KILL_SIGNAL && sig != 0)
    unireg_abort(1);				/* purecov: inspected */
  else
    unireg_end(0);
  pthread_exit(0);				/* purecov: deadcode */
  RETURN_FROM_KILL_SERVER;
}


#ifdef USE_ONE_SIGNAL_HAND
pthread_handler_decl(kill_server_thread,arg __attribute__((unused)))
{
  my_thread_init();				// Initialize new thread
  kill_server(0);
  my_thread_end();				// Normally never reached
  return 0;
}
#endif

static sig_handler print_signal_warning(int sig)
{
  sql_print_error("Warning: Got signal %d from thread %d",
		  sig,my_thread_id());
#ifdef DONT_REMEMBER_SIGNAL
  sigset(sig,print_signal_warning);		/* int. thread system calls */
#endif
#ifndef __WIN__
  if (sig == SIGALRM)
    alarm(2);					/* reschedule alarm */
#endif
}


void unireg_end(int signal_number __attribute__((unused)))
{
  clean_up();
  pthread_exit(0);				// Exit is in main thread
}


void unireg_abort(int exit_code)
{
  if (exit_code)
    sql_print_error("Aborting\n");
  clean_up(); /* purecov: inspected */
  exit(exit_code); /* purecov: inspected */
}


670
void clean_up(bool print_message)
unknown's avatar
unknown committed
671 672 673 674 675 676 677 678 679 680 681 682 683 684 685
{
  DBUG_PRINT("exit",("clean_up"));
  if (cleanup_done++)
    return; /* purecov: inspected */
  acl_free(1);
  grant_free();
  sql_cache_free();
  table_cache_free();
  hostname_cache_free();
  item_user_lock_free();
  lex_free();				/* Free some memory */
#ifdef HAVE_DLOPEN
  if (!opt_noacl)
    udf_free();
#endif
unknown's avatar
unknown committed
686
  end_key_cache();
687
  (void) ha_panic(HA_PANIC_CLOSE);	/* close all tables and logs */
unknown's avatar
unknown committed
688 689 690 691
#ifdef USE_RAID
  end_raid();
#endif
  free_defaults(defaults_argv);
692
  my_free(charsets_list, MYF(MY_ALLOW_ZERO_PTR));
unknown's avatar
unknown committed
693
  my_free(mysql_tmpdir,MYF(0));
694
  x_free(opt_bin_logname);
unknown's avatar
unknown committed
695
  bitmap_free(&temp_pool);
unknown's avatar
unknown committed
696
  free_max_user_conn();
697
  end_slave();
unknown's avatar
unknown committed
698
#ifndef __WIN__
699 700
  if (!opt_bootstrap)
    (void) my_delete(pidfile_name,MYF(0));	// This may not always exist
unknown's avatar
unknown committed
701
#endif
702 703 704
  if (print_message)
    sql_print_error(ER(ER_SHUTDOWN_COMPLETE),my_progname);
  x_free((gptr) my_errmsg[ERRMAPP]);	/* Free messages */
unknown's avatar
unknown committed
705
  my_thread_end();
unknown's avatar
unknown committed
706 707 708 709

  /* Tell main we are ready */
  (void) pthread_mutex_lock(&LOCK_thread_count);
  ready_to_exit=1;
unknown's avatar
unknown committed
710
  /* do the broadcast inside the lock to ensure that my_end() is not called */
unknown's avatar
unknown committed
711 712 713 714 715 716 717 718 719 720 721 722 723
  (void) pthread_cond_broadcast(&COND_thread_count);
  (void) pthread_mutex_unlock(&LOCK_thread_count);
} /* clean_up */



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

static void set_ports()
{
  char	*env;
724
  if (!mysql_port && !opt_disable_networking)
unknown's avatar
unknown committed
725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777
  {					// Get port if not from commandline
    struct  servent *serv_ptr;
    mysql_port = MYSQL_PORT;
    if ((serv_ptr = getservbyname("mysql", "tcp")))
      mysql_port = ntohs((u_short) serv_ptr->s_port); /* purecov: inspected */
    if ((env = getenv("MYSQL_TCP_PORT")))
      mysql_port = (uint) atoi(env);		/* purecov: inspected */
  }
  if (!mysql_unix_port)
  {
#ifdef __WIN__
    mysql_unix_port = (char*) MYSQL_NAMEDPIPE;
#else
    mysql_unix_port = (char*) MYSQL_UNIX_ADDR;
#endif
    if ((env = getenv("MYSQL_UNIX_PORT")))
      mysql_unix_port = env;			/* purecov: inspected */
  }
}

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

static void set_user(const char *user)
{
#ifndef __WIN__
    struct passwd *ent;

  // don't bother if we aren't superuser
  if (geteuid())
  {
    if (user)
      fprintf(stderr,
	      "Warning: One can only use the --user switch if running as root\n");
    return;
  }
  else if (!user)
  {
    if (!opt_bootstrap)
    {
      fprintf(stderr,"Fatal error: Please read \"Security\" section of the manual to find out how to run mysqld as root!\n");
      unireg_abort(1);
    }
    return;
  }
  if (!strcmp(user,"root"))
    return;				// Avoid problem with dynamic libraries

  if (!(ent = getpwnam(user)))
  {
    fprintf(stderr,"Fatal error: Can't change to run as user '%s' ;  Please check that the user exists!\n",user);
    unireg_abort(1);
  }
#ifdef HAVE_INITGROUPS
778
  initgroups((char*) user,ent->pw_gid);
unknown's avatar
unknown committed
779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853
#endif
  if (setgid(ent->pw_gid) == -1)
  {
    sql_perror("setgid");
    unireg_abort(1);
  }
  if (setuid(ent->pw_uid) == -1)
  {
    sql_perror("setuid");
    unireg_abort(1);
  }
#endif
}

/* Change root user if started with  --chroot */

static void set_root(const char *path)
{
#if !defined(__WIN__) && !defined(__EMX__)
  if (chroot(path) == -1)
  {
    sql_perror("chroot");
    unireg_abort(1);
  }
#endif
}

static void server_init(void)
{
  struct sockaddr_in	IPaddr;
#ifdef HAVE_SYS_UN_H
  struct sockaddr_un	UNIXaddr;
#endif
  int	arg=1;
  DBUG_ENTER("server_init");

#ifdef	__WIN__
  if ( !opt_disable_networking )
  {
    WSADATA WsaData;
    if (SOCKET_ERROR == WSAStartup (0x0101, &WsaData))
    {
      my_message(0,"WSAStartup Failed\n",MYF(0));
      unireg_abort(1);
    }
  }
#endif /* __WIN__ */

  set_ports();

  if (mysql_port != 0 && !opt_disable_networking && !opt_bootstrap)
  {
    DBUG_PRINT("general",("IP Socket is %d",mysql_port));
    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;
    IPaddr.sin_port = (unsigned short) htons((unsigned short) mysql_port);
    (void) setsockopt(ip_sock,SOL_SOCKET,SO_REUSEADDR,(char*)&arg,sizeof(arg));
    for(;;)
    {
      if (bind(ip_sock, my_reinterpret_cast(struct sockaddr *) (&IPaddr),
	       sizeof(IPaddr)) >= 0)
	break;
      DBUG_PRINT("error",("Got error: %d from bind",socket_errno));
      sql_perror("Can't start server: Bind on TCP/IP port");/* Had a loop here */
      sql_print_error("Do you already have another mysqld server running on port: %d ?",mysql_port);
      unireg_abort(1);
    }
854 855 856
    if (listen(ip_sock,(int) back_log) < 0)
      sql_print_error("Warning:  listen() on TCP/IP failed with error %d",
		      errno);
unknown's avatar
unknown committed
857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909
  }

  if (mysqld_chroot)
    set_root(mysqld_chroot);

  set_user(mysqld_user); // set_user now takes care of mysqld_user==NULL

#ifdef __NT__
  /* create named pipe */
  if (Service.IsNT() && mysql_unix_port[0] && !opt_bootstrap)
  {
    sprintf( szPipeName, "\\\\.\\pipe\\%s", mysql_unix_port );
    ZeroMemory( &saPipeSecurity, sizeof(saPipeSecurity) );
    ZeroMemory( &sdPipeDescriptor, sizeof(sdPipeDescriptor) );
    if ( !InitializeSecurityDescriptor(&sdPipeDescriptor,
				       SECURITY_DESCRIPTOR_REVISION) )
    {
      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);
    }
    saPipeSecurity.nLength = sizeof( SECURITY_ATTRIBUTES );
    saPipeSecurity.lpSecurityDescriptor = &sdPipeDescriptor;
    saPipeSecurity.bInheritHandle = FALSE;
    if ((hPipe = CreateNamedPipe(szPipeName,
				 PIPE_ACCESS_DUPLEX,
				 PIPE_TYPE_BYTE |
				 PIPE_READMODE_BYTE |
				 PIPE_WAIT,
				 PIPE_UNLIMITED_INSTANCES,
				 (int) net_buffer_length,
				 (int) net_buffer_length,
				 NMPWAIT_USE_DEFAULT_WAIT,
				 &saPipeSecurity )) == INVALID_HANDLE_VALUE)
      {
	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 );
	MessageBox( NULL, (LPTSTR) lpMsgBuf, "Error from CreateNamedPipe",
		    MB_OK|MB_ICONINFORMATION );
	LocalFree( lpMsgBuf );
	unireg_abort(1);
      }
  }
#endif

910
#if defined(HAVE_SYS_UN_H)
unknown's avatar
unknown committed
911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940
  /*
  ** Create the UNIX socket
  */
  if (mysql_unix_port[0] && !opt_bootstrap)
  {
    DBUG_PRINT("general",("UNIX Socket is %s",mysql_unix_port));

    if ((unix_sock = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
    {
      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;
    strmov(UNIXaddr.sun_path, mysql_unix_port);
    (void) unlink(mysql_unix_port);
    (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 */
      sql_print_error("Do you already have another mysqld server running on socket: %s ?",mysql_unix_port);
      unireg_abort(1);					/* purecov: tested */
    }
    umask(((~my_umask) & 0666));
#if defined(S_IFSOCK) && defined(SECURE_SOCKETS)
    (void) chmod(mysql_unix_port,S_IFSOCK);	/* Fix solaris 2.6 bug */
#endif
941 942 943
    if (listen(unix_sock,(int) back_log) < 0)
      sql_print_error("Warning:  listen() on Unix socket failed with error %d",
		      errno);
unknown's avatar
unknown committed
944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963
  }
#endif
  DBUG_PRINT("info",("server started"));
  DBUG_VOID_RETURN;
}


void yyerror(const char *s)
{
  NET *net=my_pthread_getspecific_ptr(NET*,THR_NET);
  char *yytext=(char*) current_lex->tok_start;
  if (!strcmp(s,"parse error"))
    s=ER(ER_SYNTAX_ERROR);
  net_printf(net,ER_PARSE_ERROR, s, yytext ? (char*) yytext : "",
	     current_lex->yylineno);
}


void close_connection(NET *net,uint errcode,bool lock)
{
unknown's avatar
unknown committed
964
  st_vio* vio;
unknown's avatar
unknown committed
965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000
  DBUG_ENTER("close_connection");
  DBUG_PRINT("enter",("fd: %s  error: '%s'",
                    net->vio? vio_description(net->vio):"(not connected)",
                    errcode ? ER(errcode) : ""));
  if (lock)
    (void) pthread_mutex_lock(&LOCK_thread_count);
  if ((vio=net->vio) != 0)
  {
    if (errcode)
      send_error(net,errcode,ER(errcode));	/* purecov: inspected */
    vio_close(vio);			/* vio is freed in delete thd */
  }
  if (lock)
    (void) pthread_mutex_unlock(&LOCK_thread_count);
  DBUG_VOID_RETURN;
}

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

sig_handler end_thread_signal(int sig __attribute__((unused)))
{
  THD *thd=current_thd;
  DBUG_ENTER("end_thread_signal");
  if (thd)
    end_thread(thd,0);
  DBUG_VOID_RETURN;				/* purecov: deadcode */
}


void end_thread(THD *thd, bool put_in_cache)
{
  DBUG_ENTER("end_thread");
  (void) pthread_mutex_lock(&LOCK_thread_count);
  thread_count--;
  delete thd;
1001

1002 1003
  if (put_in_cache && cached_thread_count < thread_cache_size &&
      ! abort_loop && !kill_cached_threads)
unknown's avatar
unknown committed
1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
  {
    /* Don't kill the thread, just put it in cache for reuse */
    DBUG_PRINT("info", ("Adding thread to cache"))
    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)
    {
      wake_thread--;
      thd=thread_cache.get();
1017
      thd->real_id=pthread_self();
unknown's avatar
unknown committed
1018
      (void) thd->store_globals();
1019
      threads.append(thd);
unknown's avatar
unknown committed
1020 1021 1022 1023 1024 1025 1026 1027 1028
      pthread_mutex_unlock(&LOCK_thread_count);
      DBUG_VOID_RETURN;
    }
  }

  DBUG_PRINT("info", ("sending a broadcast"))

  /* Tell main we are ready */
  (void) pthread_mutex_unlock(&LOCK_thread_count);
unknown's avatar
unknown committed
1029
  (void) pthread_cond_broadcast(&COND_thread_count);
unknown's avatar
unknown committed
1030
  DBUG_PRINT("info", ("unlocked thread_count mutex"))
1031
#ifdef ONE_THREAD
unknown's avatar
unknown committed
1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
  if (!(test_flags & TEST_NO_THREADS))	// For debugging under Linux
#endif
  {
    my_thread_end();
    pthread_exit(0);
  }
  DBUG_VOID_RETURN;
}


/* Start a cached thread. LOCK_thread_count is locked on entry */

static void start_cached_thread(THD *thd)
{
  thread_cache.append(thd);
  wake_thread++;
  thread_count++;
  pthread_cond_signal(&COND_thread_cache);
}


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);
}


	/*
	** Aborts a thread nicely. Commes here on SIGPIPE
	** TODO: One should have to fix that thr_alarm know about this
	** thread too
	*/

#ifdef THREAD_SPECIFIC_SIGPIPE
static sig_handler abort_thread(int sig __attribute__((unused)))
{
  THD *thd=current_thd;
  DBUG_ENTER("abort_thread");
  if (thd)
    thd->killed=1;
  DBUG_VOID_RETURN;
}
#endif

/******************************************************************************
** Setup a signal thread with handles all signals
** Because linux doesn't support scemas use a mutex to check that
** the signal thread is ready before continuing
******************************************************************************/

#ifdef __WIN__
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) ;
  signal(SIGBREAK,SIG_IGN);	//ignore SIGBREAK for NT
}

1099 1100 1101 1102
static void start_signal_handler(void)
{
}

unknown's avatar
unknown committed
1103 1104 1105
#elif defined(__EMX__)
static void sig_reload(int signo)
{
1106
  reload_acl_and_cache((THD*) 0,~0, (TABLE_LIST*) 0); // Flush everything
unknown's avatar
unknown committed
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130
  signal(signo, SIG_ACK);
}

static void sig_kill(int signo)
{
  if (!abort_loop)
  {
    abort_loop=1;				// mark abort for threads
    kill_server((void*) signo);
  }
  signal(signo, SIG_ACK);
}

static void init_signals(void)
{
  signal(SIGQUIT, sig_kill);
  signal(SIGKILL, sig_kill);
  signal(SIGTERM, sig_kill);
  signal(SIGINT,  sig_kill);
  signal(SIGHUP,  sig_reload);	// Flush everything
  signal(SIGALRM, SIG_IGN);
  signal(SIGBREAK,SIG_IGN);
  signal_thread = pthread_self();
}
1131 1132 1133 1134 1135

static void start_signal_handler(void)
{
}

unknown's avatar
unknown committed
1136
#else /* if ! __WIN__ && ! __EMX__ */
unknown's avatar
unknown committed
1137

unknown's avatar
unknown committed
1138 1139
#ifdef HAVE_LINUXTHREADS
#define UNSAFE_DEFAULT_LINUX_THREADS 200
1140
#endif
1141 1142

static sig_handler handle_segfault(int sig)
1143
{
unknown's avatar
unknown committed
1144
  THD *thd=current_thd;
1145 1146 1147 1148
  // 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
1149
  if (segfaulted)
unknown's avatar
unknown committed
1150 1151 1152 1153
  {
    fprintf(stderr, "Fatal signal %d while backtracing\n", sig);
    exit(1);
  }
unknown's avatar
unknown committed
1154
  
1155
  segfaulted = 1;
1156
  fprintf(stderr,"\
1157
mysqld got signal %d;\n\
unknown's avatar
unknown committed
1158 1159 1160 1161 1162 1163 1164 1165
This could be because you hit a bug. It is also possible that this binary\n\
or one of the libraries it was linked agaist is corrupt, improperly built,\n\
or misconfigured. This error can also be caused by malfunctioning hardware.\n",
	  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\
and this may fail\n\n");
unknown's avatar
unknown committed
1166 1167 1168 1169 1170 1171 1172 1173 1174 1175
  fprintf(stderr, "key_buffer_size=%ld\n", keybuff_size);
  fprintf(stderr, "record_buffer=%ld\n", my_default_record_cache_size);
  fprintf(stderr, "sort_buffer=%ld\n", sortbuff_size);
  fprintf(stderr, "max_used_connections=%ld\n", max_used_connections);
  fprintf(stderr, "max_connections=%ld\n", max_connections);
  fprintf(stderr, "threads_connected=%d\n", thread_count);
  fprintf(stderr, "It is possible that mysqld could use up to \n\
key_buffer_size + (record_buffer + sort_buffer)*max_connections = %ld K\n\
bytes of memory\n", (keybuff_size + (my_default_record_cache_size +
			     sortbuff_size) * max_connections)/ 1024);
unknown's avatar
unknown committed
1176
  fprintf(stderr, "Hope that's ok, if not, decrease some variables in the equation\n\n");
unknown's avatar
unknown committed
1177
  
1178
#if defined(HAVE_LINUXTHREADS)
unknown's avatar
unknown committed
1179 1180 1181 1182 1183 1184 1185 1186 1187 1188
  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\
If you have not changed STACK_SIZE in LinuxThreads and build the binary \n\
yourself, LinuxThreads is quite likely to steal a part of global heap for\n\
the thread stack. Please read http://www.mysql.com/doc/L/i/Linux.html\n\n",
	    thread_count);
  }
#endif /* HAVE_LINUXTHREADS */
unknown's avatar
unknown committed
1189

unknown's avatar
unknown committed
1190
#ifdef HAVE_STACKTRACE
unknown's avatar
unknown committed
1191
  if(!(test_flags & TEST_NO_STACKTRACE))
unknown's avatar
unknown committed
1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208
    print_stacktrace(thd ? (gptr) thd->thread_stack : (gptr) 0,
		     thread_stack);
  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);
    fprintf(stderr, "thd->thread_id=%ld\n", thd->thread_id);
    fprintf(stderr, "\n
Successfully dumped variables, if you ran with --log, take a look at the\n\
details of what thread %ld did to cause the crash.  In some cases of really\n\
bad corruption, the above values may be invalid\n\n",
	  thd->thread_id);
  }
  fprintf(stderr, "\
Please use the information above to create a repeatable test case for the\n\
crash, and send it to bugs@lists.mysql.com\n");
1209
  fflush(stderr);
unknown's avatar
unknown committed
1210 1211
#endif /* HAVE_STACKTRACE */

1212 1213
 if (test_flags & TEST_CORE_ON_SIGNAL)
   write_core(sig);
1214
 exit(1);
1215 1216
}

1217

unknown's avatar
unknown committed
1218 1219 1220 1221 1222 1223 1224
static void init_signals(void)
{
  sigset_t set;
  DBUG_ENTER("init_signals");

  sigset(THR_KILL_SIGNAL,end_thread_signal);
  sigset(THR_SERVER_ALARM,print_signal_warning); // Should never be called!
1225 1226 1227
  struct sigaction sa; sa.sa_flags = 0;
  sigemptyset(&sa.sa_mask);
  sigprocmask(SIG_SETMASK,&sa.sa_mask,NULL);
unknown's avatar
unknown committed
1228

unknown's avatar
unknown committed
1229
  if (!(test_flags & TEST_NO_STACKTRACE) || (test_flags & TEST_CORE_ON_SIGNAL))
unknown's avatar
unknown committed
1230
  {
unknown's avatar
unknown committed
1231
    init_stacktrace();
unknown's avatar
unknown committed
1232 1233
    sa.sa_handler=handle_segfault;
    sigaction(SIGSEGV, &sa, NULL);
unknown's avatar
unknown committed
1234
#ifdef SIGBUS
unknown's avatar
unknown committed
1235
    sigaction(SIGBUS, &sa, NULL);
unknown's avatar
unknown committed
1236
#endif
unknown's avatar
unknown committed
1237 1238
    sigaction(SIGILL, &sa, NULL);
  }
unknown's avatar
unknown committed
1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251
  (void) sigemptyset(&set);
#ifdef THREAD_SPECIFIC_SIGPIPE
  sigset(SIGPIPE,abort_thread);
  sigaddset(&set,SIGPIPE);
#else
  (void) signal(SIGPIPE,SIG_IGN);		// Can't know which thread
  sigaddset(&set,SIGPIPE);
#endif
  sigaddset(&set,SIGINT);
  sigaddset(&set,SIGQUIT);
  sigaddset(&set,SIGTERM);
  sigaddset(&set,SIGHUP);
  signal(SIGTERM,SIG_DFL);			// If it's blocked by parent
1252
  signal(SIGHUP,SIG_DFL);			// If it's blocked by parent
unknown's avatar
unknown committed
1253 1254 1255 1256 1257 1258 1259
#ifdef SIGTSTP
  sigaddset(&set,SIGTSTP);
#endif
  sigaddset(&set,THR_SERVER_ALARM);
  sigdelset(&set,THR_KILL_SIGNAL);		// May be SIGINT
  sigdelset(&set,THR_CLIENT_ALARM);		// For alarms
  (void) pthread_sigmask(SIG_SETMASK,&set,NULL);
1260 1261 1262 1263 1264 1265 1266 1267 1268
  DBUG_VOID_RETURN;
}


static void start_signal_handler(void)
{
  int error;
  pthread_attr_t thr_attr;
  DBUG_ENTER("start_signal_handler");
unknown's avatar
unknown committed
1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324

  (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);
  pthread_attr_setstacksize(&thr_attr,32768);
#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;
}


/*
** This threads handles all signals and alarms
*/

/* ARGSUSED */
static void *signal_hand(void *arg __attribute__((unused)))
{
  sigset_t set;
  int sig;
  my_thread_init();				// Init new thread
  DBUG_ENTER("signal_hand");

  /* Setup alarm handler */
  init_thr_alarm(max_connections+max_insert_delayed_threads);
#if SIGINT != THR_KILL_SIGNAL
  (void) sigemptyset(&set);			// Setup up SIGINT for debug
  (void) sigaddset(&set,SIGINT);		// For debugging
  (void) pthread_sigmask(SIG_UNBLOCK,&set,NULL);
#endif
  (void) sigemptyset(&set);			// Setup up SIGINT for debug
#ifdef USE_ONE_SIGNAL_HAND
  (void) sigaddset(&set,THR_SERVER_ALARM);	// For alarms
#endif
  (void) sigaddset(&set,SIGQUIT);
  (void) sigaddset(&set,SIGTERM);
#if THR_CLIENT_ALARM != SIGHUP
  (void) sigaddset(&set,SIGHUP);
#endif
  (void) sigaddset(&set,SIGTSTP);

  /* Save pid to this process (or thread on Linux) */
1325
  if (!opt_bootstrap)
unknown's avatar
unknown committed
1326
  {
1327 1328
    File pidFile;
    if ((pidFile = my_create(pidfile_name,0664, O_WRONLY, MYF(MY_WME))) >= 0)
unknown's avatar
unknown committed
1329
    {
1330 1331
      char buff[21];
      sprintf(buff,"%lu",(ulong) getpid());
1332
      (void) my_write(pidFile, buff,strlen(buff),MYF(MY_WME));
1333
      (void) my_close(pidFile,MYF(0));
unknown's avatar
unknown committed
1334 1335
    }
  }
1336 1337 1338 1339 1340 1341 1342
#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 */
unknown's avatar
unknown committed
1343

1344
  // signal to start_signal_handler that we are ready
unknown's avatar
unknown committed
1345
  (void) pthread_mutex_lock(&LOCK_thread_count);
1346
  (void) pthread_cond_signal(&COND_thread_count);
unknown's avatar
unknown committed
1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384
  (void) pthread_mutex_unlock(&LOCK_thread_count);

  for (;;)
  {
    int error;					// Used when debugging
    if (shutdown_in_progress && !abort_loop)
    {
      sig=SIGTERM;
      error=0;
    }
    else
      while ((error=my_sigwait(&set,&sig)) == EINTR) ;
    if (cleanup_done)
      pthread_exit(0);				// Safety
    switch (sig) {
    case SIGTERM:
    case SIGQUIT:
    case SIGKILL:
#ifdef EXTRA_DEBUG
      sql_print_error("Got signal %d to shutdown mysqld",sig);
#endif
      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,
			   (void*) sig))
	  sql_print_error("Error: Can't create thread to kill server");
#else
	  kill_server((void*) sig);		// MIT THREAD has a alarm thread
#endif
      }
      break;
    case SIGHUP:
unknown's avatar
unknown committed
1385
      reload_acl_and_cache((THD*) 0,~0, (TABLE_LIST*) 0); // Flush everything
unknown's avatar
unknown committed
1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488
      mysql_print_status((THD*) 0);		// Send debug some info
      break;
#ifdef USE_ONE_SIGNAL_HAND
    case THR_SERVER_ALARM:
      process_alarm(sig);			// Trigger alarms.
      break;
#endif
    default:
#ifdef EXTRA_DEBUG
      sql_print_error("Warning: Got signal: %d, error: %d",sig,error); /* purecov: tested */
#endif
      break;					/* purecov: tested */
    }
  }
  return(0);					/* purecov: deadcode */
}

#endif	/* __WIN__*/


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


/* ARGSUSED */
static int my_message_sql(uint error, const char *str,
			  myf MyFlags __attribute__((unused)))
{
  NET *net;
  DBUG_ENTER("my_message_sql");
  DBUG_PRINT("error",("Message: '%s'",str));
  if ((net=my_pthread_getspecific_ptr(NET*,THR_NET)))
  {
    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;
    }
  }
  else
    sql_print_error("%s: %s",my_progname,str); /* purecov: inspected */
  DBUG_RETURN(0);
}

#ifdef __WIN__
#undef errno
#undef EINTR
#define errno WSAGetLastError()
#define EINTR WSAEINTR

struct utsname
{
  char nodename[FN_REFLEN];
};

int uname(struct utsname *a)
{
  return -1;
}
#endif


#ifdef __WIN__
pthread_handler_decl(handle_shutdown,arg)
{
  MSG msg;
  my_thread_init();

  /* this call should create the message queue for this thread */
  PeekMessage(&msg, NULL, 1, 65534,PM_NOREMOVE);

  if (WaitForSingleObject(hEventShutdown,INFINITE)==WAIT_OBJECT_0)
     kill_server(MYSQL_KILL_SIGNAL);
  return 0;
}

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

const char *load_default_groups[]= { "mysqld","server",0 };

#ifdef HAVE_LIBWRAP
char *libwrapName=NULL;
#endif

static void open_log(MYSQL_LOG *log, const char *hostname,
		     const char *opt_name, const char *extension,
		     enum_log_type type)
{
  char tmp[FN_REFLEN];
  if (!opt_name || !opt_name[0])
  {
unknown's avatar
unknown committed
1489 1490 1491 1492
    /* TODO: The following should be using fn_format();  We just need to
     first change fn_format() to cut the file name if it's too long.
    */
    strmake(tmp,hostname,FN_REFLEN-5);
unknown's avatar
unknown committed
1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525
    strmov(strcend(tmp,'.'),extension);
    opt_name=tmp;
  }
  log->open(opt_name,type);
}



#ifdef __WIN__
int win_main(int argc, char **argv)
#else
int main(int argc, char **argv)
#endif
{
  DEBUGGER_OFF;

  my_umask=0660;		// Default umask for new files
  my_umask_dir=0700;		// Default umask for new directories
  MY_INIT(argv[0]);		// init my_sys library & pthreads
  tzset();			// Set tzname

  start_time=time((time_t*) 0);
#ifdef HAVE_TZNAME
#if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT)
  {
    struct tm tm_tmp;
    localtime_r(&start_time,&tm_tmp);
    strmov(time_zone,tzname[tm_tmp.tm_isdst == 1 ? 1 : 0]);
  }
#else
  {
    struct tm *start_tm;
    start_tm=localtime(&start_time);
1526
    strmov(time_zone,tzname[start_tm->tm_isdst == 1 ? 1 : 0]);
unknown's avatar
unknown committed
1527 1528 1529 1530
  }
#endif
#endif

unknown's avatar
unknown committed
1531 1532 1533
  if (gethostname(glob_hostname,sizeof(glob_hostname)-4) < 0)
    strmov(glob_hostname,"mysql");
  strmov(pidfile_name,glob_hostname);
unknown's avatar
unknown committed
1534 1535
  strmov(strcend(pidfile_name,'.'),".pid");	// Add extension
#ifndef DBUG_OFF
1536 1537 1538
  strxmov(strend(server_version),MYSQL_SERVER_SUFFIX,"-debug",NullS);
#else
  strmov(strend(server_version),MYSQL_SERVER_SUFFIX);
unknown's avatar
unknown committed
1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575
#endif
#ifdef _CUSTOMSTARTUPCONFIG_
  if (_cust_check_startup())
  {
    /* _cust_check_startup will report startup failure error */
    exit( 1 );
  }
#endif
  load_defaults("my",load_default_groups,&argc,&argv);
  defaults_argv=argv;
  mysql_tmpdir=getenv("TMPDIR");	/* Use this if possible */
#ifdef __WIN__
  if (!mysql_tmpdir)
    mysql_tmpdir=getenv("TEMP");
  if (!mysql_tmpdir)
    mysql_tmpdir=getenv("TMP");
#endif
  if (!mysql_tmpdir || !mysql_tmpdir[0])
    mysql_tmpdir=(char*) P_tmpdir;		/* purecov: inspected */

  set_options();
#ifdef __WIN__
  /* service parameters can be overwritten by options */
  if (get_service_parameters())
  {
    my_message( 0, "Can't read MySQL service parameters", MYF(0) );
    exit( 1 );
  }
#endif
  get_options(argc,argv);
  if (opt_log || opt_update_log || opt_slow_log || opt_bin_log)
    strcat(server_version,"-log");
  DBUG_PRINT("info",("%s  Ver %s for %s on %s\n",my_progname,
		     server_version, SYSTEM_TYPE,MACHINE_TYPE));

  /* These must be set early */

1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595
  (void) pthread_mutex_init(&LOCK_mysql_create_db,MY_MUTEX_INIT_SLOW);
  (void) pthread_mutex_init(&LOCK_Acl,MY_MUTEX_INIT_SLOW);
  (void) pthread_mutex_init(&LOCK_grant,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_open,MY_MUTEX_INIT_FAST);
  (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_timezone,MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_binlog_update, MY_MUTEX_INIT_FAST);	// QQ NOT USED
  (void) pthread_mutex_init(&LOCK_slave, MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_server_id, MY_MUTEX_INIT_FAST);
  (void) pthread_mutex_init(&LOCK_user_conn, MY_MUTEX_INIT_FAST);
unknown's avatar
unknown committed
1596 1597 1598 1599
  (void) pthread_cond_init(&COND_thread_count,NULL);
  (void) pthread_cond_init(&COND_refresh,NULL);
  (void) pthread_cond_init(&COND_thread_cache,NULL);
  (void) pthread_cond_init(&COND_flush_thread_cache,NULL);
1600
  (void) pthread_cond_init(&COND_manager,NULL);
unknown's avatar
unknown committed
1601 1602
  (void) pthread_cond_init(&COND_binlog_update, NULL);
  (void) pthread_cond_init(&COND_slave_stopped, NULL);
1603
  (void) pthread_cond_init(&COND_slave_start, NULL);
1604
  init_signals();
unknown's avatar
unknown committed
1605 1606 1607 1608 1609 1610 1611 1612

  if (set_default_charset_by_name(default_charset, MYF(MY_WME)))
    unireg_abort(1);
  charsets_list = list_charsets(MYF(MY_COMPILED_SETS|MY_CONFIG_SETS));

#ifdef HAVE_OPENSSL
  if (opt_use_ssl)
  {
unknown's avatar
unknown committed
1613
    ssl_acceptor_fd = new_VioSSLAcceptorFd(opt_ssl_key, opt_ssl_cert,
unknown's avatar
unknown committed
1614
					   opt_ssl_ca, opt_ssl_capath);
unknown's avatar
unknown committed
1615
    DBUG_PRINT("info",("ssl_acceptor_fd: %p",ssl_acceptor_fd));
unknown's avatar
unknown committed
1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643
    if (!ssl_acceptor_fd)
      opt_use_ssl=0;
    /* having ssl_acceptor_fd!=0 signals the use of SSL */
  }
#endif /* HAVE_OPENSSL */

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

  if (!(opt_specialflag & SPECIAL_NO_PRIOR))
    my_pthread_setprio(pthread_self(),CONNECT_PRIOR);
  /* Parameter for threads created for connections */
  (void) pthread_attr_init(&connection_attrib);
  (void) pthread_attr_setdetachstate(&connection_attrib,
				     PTHREAD_CREATE_DETACHED);
  pthread_attr_setstacksize(&connection_attrib,thread_stack);

  if (!(opt_specialflag & SPECIAL_NO_PRIOR))
    my_pthread_attr_setprio(&connection_attrib,WAIT_PRIOR);
  pthread_attr_setscope(&connection_attrib, PTHREAD_SCOPE_SYSTEM);

#ifdef SET_RLIMIT_NOFILE
  /* connections and databases neads lots of files */
  {
    uint wanted_files=10+(uint) max(max_connections*5,
				    max_connections+table_cache_size*2);
unknown's avatar
unknown committed
1644 1645
    set_if_bigger(wanted_files, open_files_limit);
    // Note that some system returns 0 if we succeed here:
unknown's avatar
unknown committed
1646
    uint files=set_maximum_open_files(wanted_files);
unknown's avatar
unknown committed
1647
    if (files && files < wanted_files && ! open_files_limit)
unknown's avatar
unknown committed
1648
    {
1649 1650
      max_connections=	(ulong) min((files-10),max_connections);
      table_cache_size= (ulong) max((files-10-max_connections)/2,64);
unknown's avatar
unknown committed
1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667
      DBUG_PRINT("warning",
		 ("Changed limits: max_connections: %ld  table_cache: %ld",
		  max_connections,table_cache_size));
      sql_print_error("Warning: Changed limits: max_connections: %ld  table_cache: %ld",max_connections,table_cache_size);
    }
  }
#endif
  unireg_init(opt_specialflag); /* Set up extern variabels */
  init_errmessage();		/* Read error messages from file */
  lex_init();
  item_init();
  mysys_uses_curses=0;
#ifdef USE_REGEX
  regex_init();
#endif
  select_thread=pthread_self();
  select_thread_in_use=1;
unknown's avatar
unknown committed
1668 1669
  if (use_temp_pool && bitmap_init(&temp_pool,1024))
    unireg_abort(1);
unknown's avatar
unknown committed
1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688

  /*
  ** We have enough space for fiddling with the argv, continue
  */
  umask(((~my_umask) & 0666));
  if (my_setwd(mysql_real_data_home,MYF(MY_WME)))
  {
    unireg_abort(1);				/* purecov: inspected */
  }
  mysql_data_home[0]=FN_CURLIB;		// all paths are relative from here
  mysql_data_home[1]=0;
  server_init();
  table_cache_init();
  hostname_cache_init();
  sql_cache_init();
  randominit(&sql_rand,(ulong) start_time,(ulong) start_time/2);
  reset_floating_point_exceptions();
  init_thr_lock();

1689 1690 1691 1692
  /* Fix varibles that are base 1024*1024 */
  myisam_max_temp_length= (my_off_t) min(((ulonglong) myisam_max_sort_file_size)*1024*1024, (ulonglong) MAX_FILE_SIZE);
  myisam_max_extra_temp_length= (my_off_t) min(((ulonglong) myisam_max_extra_sort_file_size)*1024*1024, (ulonglong) MAX_FILE_SIZE);

unknown's avatar
unknown committed
1693 1694
  /* Setup log files */
  if (opt_log)
unknown's avatar
unknown committed
1695
    open_log(&mysql_log, glob_hostname, opt_logname, ".log", LOG_NORMAL);
unknown's avatar
unknown committed
1696
  if (opt_update_log)
unknown's avatar
unknown committed
1697
  {
unknown's avatar
unknown committed
1698
    open_log(&mysql_update_log, glob_hostname, opt_update_logname, "",
unknown's avatar
unknown committed
1699
	     LOG_NEW);
unknown's avatar
unknown committed
1700 1701
    using_update_log=1;
  }
1702

1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714
  //make sure slave thread gets started
  // if server_id is set, valid master.info is present, and master_host has
  // not been specified
  if(server_id && !master_host)
    {
      char fname[FN_REFLEN+128];
      MY_STAT stat_area;
      fn_format(fname, master_info_file, mysql_data_home, "", 4+16+32);
      if(my_stat(fname, &stat_area, MYF(0)) && !init_master_info(&glob_mi))
        master_host = glob_mi.host;
    }

unknown's avatar
unknown committed
1715
  if (opt_bin_log && !server_id)
1716 1717 1718
  {
    server_id= !master_host ? 1 : 2;
    switch (server_id) {
unknown's avatar
unknown committed
1719
#ifdef EXTRA_DEBUG
1720 1721
    case 1:
      sql_print_error("\
1722 1723 1724
Warning: You have enabled the binary log, but you haven't set server-id:\n\
Updates will be logged to the binary log, but connections to slaves will\n\
not be accepted.");
1725
      break;
unknown's avatar
unknown committed
1726 1727
#endif
    case 2:
1728
      sql_print_error("\
unknown's avatar
unknown committed
1729
Warning: You should set server-id to a non-0 value if master_host is set.\n\
unknown's avatar
unknown committed
1730
The server will not act as a slave.");
1731
      break;
unknown's avatar
unknown committed
1732
    }
1733
  }
unknown's avatar
unknown committed
1734 1735
  if (opt_bin_log)
  {
1736 1737 1738
    if (!opt_bin_logname)
    {
      char tmp[FN_REFLEN];
unknown's avatar
unknown committed
1739 1740 1741 1742
      /* TODO: The following should be using fn_format();  We just need to
	 first change fn_format() to cut the file name if it's too long.
      */
      strmake(tmp,glob_hostname,FN_REFLEN-5);
1743 1744 1745 1746 1747 1748
      strmov(strcend(tmp,'.'),"-bin");
      opt_bin_logname=my_strdup(tmp,MYF(MY_WME));
    }
    mysql_bin_log.set_index_file_name(opt_binlog_index_name);
    open_log(&mysql_bin_log, glob_hostname, opt_bin_logname, "-bin",
	     LOG_BIN);
unknown's avatar
unknown committed
1749
    using_update_log=1;
unknown's avatar
unknown committed
1750
  }
1751

unknown's avatar
unknown committed
1752
  if (opt_slow_log)
unknown's avatar
unknown committed
1753
    open_log(&mysql_slow_log, glob_hostname, opt_slow_logname, "-slow.log",
unknown's avatar
unknown committed
1754 1755 1756 1757 1758 1759
	     LOG_NORMAL);
  if (ha_init())
  {
    sql_print_error("Can't init databases");
    exit(1);
  }
unknown's avatar
unknown committed
1760
  ha_key_cache();
unknown's avatar
unknown committed
1761
#if defined(HAVE_MLOCKALL) && defined(MCL_CURRENT)
1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772
  if (locked_in_memory && !geteuid())
  {
    if (mlockall(MCL_CURRENT))
    {
      sql_print_error("Warning: Failed to lock memory. Errno: %d\n",errno);
    }
    else
      locked_in_memory=1;
  }
#else
  locked_in_memory=0;
1773
#endif
1774

1775 1776
  if (opt_myisam_log)
    (void) mi_log( 1 );
1777
  ft_init_stopwords(ft_precompiled_stopwords);       /* SerG */
unknown's avatar
unknown committed
1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799

#ifdef __WIN__
#define MYSQL_ERR_FILE "mysql.err"
  if (!opt_console)
  {
    freopen(MYSQL_ERR_FILE,"a+",stdout);
    freopen(MYSQL_ERR_FILE,"a+",stderr);
    FreeConsole();				// Remove window
  }
#endif

  /*
    init signals & alarm
    After this we can't quit by a simple unireg_abort
  */
  error_handler_hook = my_message_sql;
  if (pthread_key_create(&THR_THD,NULL) || pthread_key_create(&THR_NET,NULL) ||
      pthread_key_create(&THR_MALLOC,NULL))
  {
    sql_print_error("Can't create thread-keys");
    exit(1);
  }
1800
  start_signal_handler();				// Creates pidfile
unknown's avatar
unknown committed
1801 1802 1803 1804
  if (acl_init(opt_noacl))
  {
    select_thread_in_use=0;
    (void) pthread_kill(signal_thread,MYSQL_KILL_SIGNAL);
1805
#ifndef __WIN__
1806 1807
    if (!opt_bootstrap)
      (void) my_delete(pidfile_name,MYF(MY_WME));	// Not neaded anymore
1808
#endif
unknown's avatar
unknown committed
1809 1810 1811 1812
    exit(1);
  }
  if (!opt_noacl)
    (void) grant_init();
unknown's avatar
unknown committed
1813 1814
  if (max_user_connections)
    init_max_user_conn();
unknown's avatar
unknown committed
1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847

#ifdef HAVE_DLOPEN
  if (!opt_noacl)
    udf_init();
#endif

  if (opt_bootstrap)
  {
    int error=bootstrap(stdin);
    end_thr_alarm();				// Don't allow alarms
    unireg_abort(error ? 1 : 0);
  }
  if (opt_init_file)
  {
    if (read_init_file(opt_init_file))
    {
      end_thr_alarm();				// Don't allow alarms
      unireg_abort(1);
    }
  }
  (void) thr_setconcurrency(concurrency);	// 10 by default
#ifdef __WIN__			        //IRENA
  {
    hEventShutdown=CreateEvent(0, FALSE, FALSE, "MySqlShutdown");
    pthread_t hThread;
    if (pthread_create(&hThread,&connection_attrib,handle_shutdown,0))
      sql_print_error("Warning: Can't create thread to handle shutdown requests");

    // On "Stop Service" we have to do regular shutdown
    Service.SetShutdownEvent(hEventShutdown);
  }
#endif

unknown's avatar
unknown committed
1848
  if (
1849
#ifdef HAVE_BERKELEY_DB
unknown's avatar
unknown committed
1850
      !berkeley_skip ||
1851
#endif
unknown's avatar
unknown committed
1852
      (flush_time && flush_time != ~(ulong) 0L))
unknown's avatar
unknown committed
1853 1854
  {
    pthread_t hThread;
1855 1856
    if (pthread_create(&hThread,&connection_attrib,handle_manager,0))
      sql_print_error("Warning: Can't create thread to manage maintenance");
unknown's avatar
unknown committed
1857 1858 1859
  }

  // slave thread
1860
  if (master_host)
unknown's avatar
unknown committed
1861
  {
1862
    pthread_t hThread;
1863
    if (!opt_skip_slave_start &&
1864 1865 1866 1867
       pthread_create(&hThread, &connection_attrib, handle_slave, 0))
      sql_print_error("Warning: Can't create thread to handle slave");
    else if(opt_skip_slave_start)
      init_master_info(&glob_mi);
unknown's avatar
unknown committed
1868
  }
1869

unknown's avatar
unknown committed
1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894
  printf(ER(ER_READY),my_progname,server_version,"");
  fflush(stdout);

#ifdef __NT__
  if (hPipe == INVALID_HANDLE_VALUE && !have_tcpip)
  {
    sql_print_error("TCP/IP must be installed on Win98 platforms");
  }
  else
  {
    pthread_mutex_lock(&LOCK_thread_count);
    (void) pthread_cond_init(&COND_handler_count,NULL);
    {
      pthread_t hThread;
      handler_count=0;
      if ( hPipe != INVALID_HANDLE_VALUE )
      {
	handler_count++;
	if (pthread_create(&hThread,&connection_attrib,
			   handle_connections_namedpipes, 0))
	{
	  sql_print_error("Warning: Can't create thread to handle named pipes");
	  handler_count--;
	}
      }
1895
      if (have_tcpip && !opt_disable_networking)
unknown's avatar
unknown committed
1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934
      {
	handler_count++;
	if (pthread_create(&hThread,&connection_attrib,
			   handle_connections_sockets, 0))
	{
	  sql_print_error("Warning: Can't create thread to handle named pipes");
	  handler_count--;
	}
      }
      while (handler_count > 0)
      {
	pthread_cond_wait(&COND_handler_count,&LOCK_thread_count);
      }
    }
    pthread_mutex_unlock(&LOCK_thread_count);
  }
#else
  handle_connections_sockets(0);
#ifdef EXTRA_DEBUG
  sql_print_error("Exiting main thread");
#endif
#endif /* __NT__ */

  /* (void) pthread_attr_destroy(&connection_attrib); */

  DBUG_PRINT("quit",("Exiting main thread"));

#ifndef __WIN__
#ifdef EXTRA_DEBUG
  sql_print_error("Before Lock_thread_count");
#endif
  (void) pthread_mutex_lock(&LOCK_thread_count);
  select_thread_in_use=0;			// For close_connections
  (void) pthread_cond_broadcast(&COND_thread_count);
  (void) pthread_mutex_unlock(&LOCK_thread_count);
#ifdef EXTRA_DEBUG
  sql_print_error("After lock_thread_count");
#endif
#else
unknown's avatar
unknown committed
1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952
  if (Service.IsNT())
  {
    if(start_mode)
    {
      if (WaitForSingleObject(hEventShutdown,INFINITE)==WAIT_OBJECT_0)
        Service.Stop();
    }
    else
    {
      Service.SetShutdownEvent(0);
      if(hEventShutdown) CloseHandle(hEventShutdown);
    }
  }
  else
  {
    Service.SetShutdownEvent(0);
    if(hEventShutdown) CloseHandle(hEventShutdown);
  }
unknown's avatar
unknown committed
1953 1954 1955 1956 1957 1958 1959 1960 1961
#endif

  /* 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);
unknown's avatar
unknown committed
1962
  my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
unknown's avatar
unknown committed
1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
  exit(0);
  return(0);					/* purecov: deadcode */
}


#ifdef __WIN__
/* ------------------------------------------------------------------------
   main and thread entry function for Win32
   (all this is needed only to run mysqld as a service on WinNT)
 -------------------------------------------------------------------------- */
int mysql_service(void *p)
{
  win_main(Service.my_argc, Service.my_argv);
  return 0;
}

int main(int argc, char **argv)
{
  // check  environment variable OS
  if (Service.GetOS())	// "OS" defined; Should be NT
  {
    if (argc == 2)
    {
      if (!strcmp(argv[1],"-install") || !strcmp(argv[1],"--install"))
      {
	char path[FN_REFLEN];
	my_path(path, argv[0], "");		   // Find name in path
	fn_format(path,argv[0],path,"",1+4+16);    // Force use of full path
	if (!Service.Install(MYSQL_SERVICENAME,MYSQL_SERVICENAME,path))
	  MessageBox(NULL,"Failed to install Service",MYSQL_SERVICENAME,
		     MB_OK|MB_ICONSTOP);
	return 0;
      }
      else if (!strcmp(argv[1],"-remove") || !strcmp(argv[1],"--remove"))
      {
	Service.Remove(MYSQL_SERVICENAME);
	return 0;
      }
    }
    else if (argc == 1)		   // No arguments; start as a service
    {
      // init service
unknown's avatar
unknown committed
2005
      start_mode = 1;
unknown's avatar
unknown committed
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
      long tmp=Service.Init(MYSQL_SERVICENAME,mysql_service);
      return 0;
    }
  }

  // This is a WIN95 machine or a start of mysqld as a standalone program
  // we have to pass the arguments, in case of NT-service this will be done
  // by ServiceMain()

  Service.my_argc=argc;
  Service.my_argv=argv;
  mysql_service(NULL);
  return 0;
}
/* ------------------------------------------------------------------------ */
#endif


static int bootstrap(FILE *file)
{
  THD *thd= new THD;
  int error;
  thd->bootstrap=1;
  thd->client_capabilities=0;
unknown's avatar
unknown committed
2030
  my_net_init(&thd->net,(st_vio*) 0);
unknown's avatar
unknown committed
2031 2032
  thd->max_packet_length=thd->net.max_packet;
  thd->master_access= ~0;
2033
  thd->thread_id=thread_id++;
unknown's avatar
unknown committed
2034
  thread_count++;
2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051

  bootstrap_file=file;
  if (pthread_create(&thd->real_id,&connection_attrib,handle_bootstrap,
		     (void*) thd))
  {
    sql_print_error("Warning: Can't create thread to handle bootstrap");    
    return -1;
  }
  /* 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);
  error= thd->fatal_error;
unknown's avatar
unknown committed
2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081
  net_end(&thd->net);
  delete thd;
  return error;
}

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);
  bootstrap(file);				/* Ignore errors from this */
  (void) my_fclose(file,MYF(MY_WME));
  return 0;
}


static void create_new_thread(THD *thd)
{
  DBUG_ENTER("create_new_thread");

  NET *net=&thd->net;				// For easy ref
  net->timeout = (uint) connect_timeout;	// Timeout for read
  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)
  {
unknown's avatar
unknown committed
2082
    DBUG_PRINT("error",("Too many connections"));
unknown's avatar
unknown committed
2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103
    close_connection(net,ER_CON_COUNT_ERROR);
    delete thd;
    DBUG_VOID_RETURN;
  }
  if (pthread_mutex_lock(&LOCK_thread_count))
  {
    DBUG_PRINT("error",("Can't lock LOCK_thread_count"));
    close_connection(net,ER_OUT_OF_RESOURCES);
    delete thd;
    DBUG_VOID_RETURN;
  }
  if (thread_count-delayed_insert_threads > max_used_connections)
    max_used_connections=thread_count-delayed_insert_threads;
  thd->thread_id=thread_id++;
  for (uint i=0; i < 8 ; i++)			// Generate password teststring
    thd->scramble[i]= (char) (rnd(&sql_rand)*94+33);
  thd->scramble[8]=0;
  thd->rand=sql_rand;
  thd->real_id=pthread_self();			// Keep purify happy

  /* Start a new thread to handle connection */
2104
#ifdef ONE_THREAD
unknown's avatar
unknown committed
2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125
  if (test_flags & TEST_NO_THREADS)		// For debugging under Linux
  {
    thread_cache_size=0;			// Safety
    thread_count++;
    threads.append(thd);
    thd->real_id=pthread_self();
    (void) pthread_mutex_unlock(&LOCK_thread_count);
    handle_one_connection((void*) thd);
  }
  else
#endif
  {
    if (cached_thread_count > wake_thread)
    {
      start_cached_thread(thd);
      (void) pthread_mutex_unlock(&LOCK_thread_count);
    }
    else
    {
      int error;
      thread_count++;
2126
      thread_created++;
unknown's avatar
unknown committed
2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146
      threads.append(thd);
      DBUG_PRINT("info",(("creating thread %d"), thd->thread_id));
      thd->connect_time = time(NULL);
      if ((error=pthread_create(&thd->real_id,&connection_attrib,
				handle_one_connection,
				(void*) thd)))
      {
	DBUG_PRINT("error",
		   ("Can't create thread to handle request (error %d)",
		    error));
	thread_count--;
	thd->killed=1;				// Safety
	(void) pthread_mutex_unlock(&LOCK_thread_count);
	net_printf(net,ER_CANT_CREATE_THREAD,error);
	(void) pthread_mutex_lock(&LOCK_thread_count);
	close_connection(net,0,0);
	delete thd;
	(void) pthread_mutex_unlock(&LOCK_thread_count);
	DBUG_VOID_RETURN;
      }
unknown's avatar
unknown committed
2147 2148
      
      (void) pthread_mutex_unlock(&LOCK_thread_count);
unknown's avatar
unknown committed
2149 2150
    }
  }
2151
  DBUG_PRINT("info",("Thread created"));
unknown's avatar
unknown committed
2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166
  DBUG_VOID_RETURN;
}


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

pthread_handler_decl(handle_connections_sockets,arg __attribute__((unused)))
{
  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;
unknown's avatar
unknown committed
2167
  st_vio *vio_tmp;
unknown's avatar
unknown committed
2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315
  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);
  socket_flags=fcntl(unix_sock, F_GETFL, 0);
#endif

  DBUG_PRINT("general",("Waiting for connections."));
  while (!abort_loop)
  {
    readFDs=clientFDs;
#ifdef HPUX
    if (select(max_used_connection,(int*) &readFDs,0,0,0) < 0)
      continue;
#else
    if (select((int) max_used_connection,&readFDs,0,0,0) < 0)
    {
      if (errno != EINTR)
      {
	if (!select_errors++ && !abort_loop)	/* purecov: inspected */
	  sql_print_error("mysqld: Got error %d from select",errno); /* purecov: inspected */
      }
      continue;
    }
#endif	/* HPUX */
    if (abort_loop)
      break;

    /*
    ** Is this a new connection request
    */

#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);
      if (new_sock != INVALID_SOCKET || (errno != EINTR && errno != EAGAIN))
	break;
#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
    if (new_sock < 0)
    {
      if ((error_count++ & 255) == 0)		// This can happen often
	sql_perror("Error in accept");
      if (errno == ENFILE || errno == EMFILE)
	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);
	fromhost(&req);
	if (!hosts_access(&req))
	{
	  // This may be stupid but refuse() includes an exit(0)
	  // which we surely don't want...
	  // clean_exit() - same stupid thing ...
	  syslog(deny_severity, "refused connect from %s", eval_client(&req));
	  if (req.sink)
	    ((void (*)(int))req.sink)(req.fd);

	  // 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...

	  (void) shutdown(new_sock,2);  // This looks fine to me...
	  (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");
	(void) shutdown(new_sock,2);
	(void) closesocket(new_sock);
	continue;
      }
    }

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

    if (!(thd= new THD))
    {
      (void) shutdown(new_sock,2); VOID(closesocket(new_sock));
      continue;
    }
    if (!(vio_tmp=vio_new(new_sock,
2316
			  sock == unix_sock ? VIO_TYPE_SOCKET :
unknown's avatar
unknown committed
2317
			  VIO_TYPE_TCPIP,
2318
			  sock == unix_sock)) ||
unknown's avatar
unknown committed
2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331
	my_net_init(&thd->net,vio_tmp))
    {
      if (vio_tmp)
	vio_delete(vio_tmp);
      else
      {
	(void) shutdown(new_sock,2);
	(void) closesocket(new_sock);
      }
      delete thd;
      continue;
    }
    if (sock == unix_sock)
2332
      thd->host=(char*) localhost;
unknown's avatar
unknown committed
2333 2334 2335 2336 2337 2338 2339
    create_new_thread(thd);
  }

#ifdef __NT__
  pthread_mutex_lock(&LOCK_thread_count);
  handler_count--;
  pthread_mutex_unlock(&LOCK_thread_count);
unknown's avatar
unknown committed
2340
  pthread_cond_signal(&COND_handler_count);
unknown's avatar
unknown committed
2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416
#endif
  DBUG_RETURN(0);
}


#ifdef __NT__
pthread_handler_decl(handle_connections_namedpipes,arg)
{
  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 */
    fConnected = ConnectNamedPipe( hPipe, NULL );
    if (abort_loop)
      break;
    if ( !fConnected )
      fConnected = GetLastError() == ERROR_PIPE_CONNECTED;
    if ( !fConnected )
    {
      CloseHandle( hPipe );
      if ((hPipe = CreateNamedPipe(szPipeName,
				   PIPE_ACCESS_DUPLEX,
				   PIPE_TYPE_BYTE |
				   PIPE_READMODE_BYTE |
				   PIPE_WAIT,
				   PIPE_UNLIMITED_INSTANCES,
				   (int) net_buffer_length,
				   (int) net_buffer_length,
				   NMPWAIT_USE_DEFAULT_WAIT,
				   &saPipeSecurity )) ==
	  INVALID_HANDLE_VALUE )
      {
	sql_perror("Can't create new named pipe!");
	break;					// Abort
      }
    }
    hConnectedPipe = hPipe;
    /* create new pipe for new connection */
    if ((hPipe = CreateNamedPipe(szPipeName,
				 PIPE_ACCESS_DUPLEX,
				 PIPE_TYPE_BYTE |
				 PIPE_READMODE_BYTE |
				 PIPE_WAIT,
				 PIPE_UNLIMITED_INSTANCES,
				 (int) net_buffer_length,
				 (int) net_buffer_length,
				 NMPWAIT_USE_DEFAULT_WAIT,
				 &saPipeSecurity)) ==
	INVALID_HANDLE_VALUE)
    {
      sql_perror("Can't create new named pipe!");
      hPipe=hConnectedPipe;
      continue;					// We have to try again
    }

    if ( !(thd = new THD))
    {
      DisconnectNamedPipe( hConnectedPipe );
      CloseHandle( hConnectedPipe );
      continue;
    }
    if (!(thd->net.vio = vio_new_win32pipe(hConnectedPipe)) ||
	my_net_init(&thd->net, thd->net.vio))
    {
      close_connection(&thd->net,ER_OUT_OF_RESOURCES);
      delete thd;
      continue;
    }
    /* host name is unknown */
2417
    thd->host = my_strdup(localhost,MYF(0)); /* Host is unknown */
unknown's avatar
unknown committed
2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433
    create_new_thread(thd);
  }

  pthread_mutex_lock(&LOCK_thread_count);
  handler_count--;
  pthread_cond_signal(&COND_handler_count);
  pthread_mutex_unlock(&LOCK_thread_count);
  DBUG_RETURN(0);
}
#endif /* __NT__ */


/******************************************************************************
** handle start options
******************************************************************************/

2434
enum options {
unknown's avatar
unknown committed
2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469
               OPT_ISAM_LOG=256,            OPT_SKIP_NEW, 
               OPT_SKIP_GRANT,              OPT_SKIP_LOCK, 
               OPT_ENABLE_LOCK,             OPT_USE_LOCKING,
               OPT_SOCKET,                  OPT_UPDATE_LOG, 
               OPT_BIN_LOG,                 OPT_SKIP_RESOLVE, 
               OPT_SKIP_NETWORKING,         OPT_BIN_LOG_INDEX,
               OPT_BIND_ADDRESS,            OPT_PID_FILE,
               OPT_SKIP_PRIOR,              OPT_BIG_TABLES,    
               OPT_STANDALONE,              OPT_ONE_THREAD,
               OPT_CONSOLE,                 OPT_LOW_PRIORITY_UPDATES,
               OPT_SKIP_HOST_CACHE,         OPT_LONG_FORMAT,   
               OPT_FLUSH,                   OPT_SAFE, 
               OPT_BOOTSTRAP,               OPT_SKIP_SHOW_DB,
               OPT_TABLE_TYPE,              OPT_INIT_FILE,   
               OPT_DELAY_KEY_WRITE,         OPT_SLOW_QUERY_LOG, 
               OPT_SKIP_DELAY_KEY_WRITE,    OPT_CHARSETS_DIR,
               OPT_BDB_HOME,                OPT_BDB_LOG,  
               OPT_BDB_TMP,                 OPT_BDB_NOSYNC,
               OPT_BDB_LOCK,                OPT_BDB_SKIP, 
               OPT_BDB_NO_RECOVER,	    OPT_BDB_SHARED,
	       OPT_MASTER_HOST,             OPT_MASTER_USER,
               OPT_MASTER_PASSWORD,         OPT_MASTER_PORT,
               OPT_MASTER_INFO_FILE,        OPT_MASTER_CONNECT_RETRY,
               OPT_SQL_BIN_UPDATE_SAME,     OPT_REPLICATE_DO_DB,      
               OPT_REPLICATE_IGNORE_DB,     OPT_LOG_SLAVE_UPDATES,
               OPT_BINLOG_DO_DB,            OPT_BINLOG_IGNORE_DB,
               OPT_WANT_CORE,               OPT_SKIP_CONCURRENT_INSERT,
               OPT_MEMLOCK,                 OPT_MYISAM_RECOVER,
               OPT_REPLICATE_REWRITE_DB,    OPT_SERVER_ID, 
               OPT_SKIP_SLAVE_START,        OPT_SKIP_INNOBASE,
               OPT_SAFEMALLOC_MEM_LIMIT,    OPT_REPLICATE_DO_TABLE, 
               OPT_REPLICATE_IGNORE_TABLE,  OPT_REPLICATE_WILD_DO_TABLE, 
               OPT_REPLICATE_WILD_IGNORE_TABLE, 
               OPT_DISCONNECT_SLAVE_EVENT_COUNT, 
               OPT_ABORT_SLAVE_EVENT_COUNT,
unknown's avatar
unknown committed
2470 2471 2472 2473 2474 2475
	       OPT_INNODB_DATA_HOME_DIR,
               OPT_INNODB_DATA_FILE_PATH,
	       OPT_INNODB_LOG_GROUP_HOME_DIR, 
               OPT_INNODB_LOG_ARCH_DIR, 
               OPT_INNODB_LOG_ARCHIVE, 
               OPT_INNODB_FLUSH_LOG_AT_TRX_COMMIT, 
2476
               OPT_INNODB_UNIX_FILE_FLUSH_METHOD, 
unknown's avatar
unknown committed
2477
               OPT_SAFE_SHOW_DB,
unknown's avatar
unknown committed
2478
	       OPT_GEMINI_SKIP, OPT_INNODB_SKIP,
2479
               OPT_TEMP_POOL, OPT_DO_PSTACK, OPT_TX_ISOLATION,
2480
	       OPT_GEMINI_FLUSH_LOG, OPT_GEMINI_RECOVER,
2481
               OPT_GEMINI_UNBUFFERED_IO, OPT_SKIP_SAFEMALLOC,
unknown's avatar
unknown committed
2482
	       OPT_SKIP_STACK_TRACE
2483 2484 2485 2486 2487
};

static struct option long_options[] = {
  {"ansi",                  no_argument,       0, 'a'},
  {"basedir",               required_argument, 0, 'b'},
unknown's avatar
unknown committed
2488
#ifdef HAVE_BERKELEY_DB
2489 2490 2491
  {"bdb-home",              required_argument, 0, (int) OPT_BDB_HOME},
  {"bdb-lock-detect",       required_argument, 0, (int) OPT_BDB_LOCK},
  {"bdb-logdir",            required_argument, 0, (int) OPT_BDB_LOG},
unknown's avatar
unknown committed
2492
  {"bdb-no-recover",        no_argument,       0, (int) OPT_BDB_NO_RECOVER},
2493
  {"bdb-no-sync",           no_argument,       0, (int) OPT_BDB_NOSYNC},
2494
  {"bdb-shared-data",       no_argument,       0, (int) OPT_BDB_SHARED},
2495 2496 2497 2498 2499 2500 2501
  {"bdb-tmpdir",            required_argument, 0, (int) OPT_BDB_TMP},
#endif
  {"big-tables",            no_argument,       0, (int) OPT_BIG_TABLES},
  {"binlog-do-db",          required_argument, 0, (int) OPT_BINLOG_DO_DB},
  {"binlog-ignore-db",      required_argument, 0, (int) OPT_BINLOG_IGNORE_DB},
  {"bind-address",          required_argument, 0, (int) OPT_BIND_ADDRESS},
  {"bootstrap",             no_argument,       0, (int) OPT_BOOTSTRAP},
unknown's avatar
unknown committed
2502
#ifdef __WIN__
2503
  {"console",               no_argument,       0, (int) OPT_CONSOLE},
unknown's avatar
unknown committed
2504
#endif
2505 2506 2507 2508 2509 2510 2511
  {"core-file",             no_argument,       0, (int) OPT_WANT_CORE},
  {"chroot",                required_argument, 0, 'r'},
  {"character-sets-dir",    required_argument, 0, (int) OPT_CHARSETS_DIR},
  {"datadir",               required_argument, 0, 'h'},
  {"debug",                 optional_argument, 0, '#'},
  {"default-character-set", required_argument, 0, 'C'},
  {"default-table-type",    required_argument, 0, (int) OPT_TABLE_TYPE},
unknown's avatar
unknown committed
2512
  {"delay-key-write-for-all-tables",
2513
                            no_argument,       0, (int) OPT_DELAY_KEY_WRITE},
2514 2515
  {"do-pstack",
                            no_argument,       0, (int) OPT_DO_PSTACK},
2516 2517 2518
  {"enable-locking",        no_argument,       0, (int) OPT_ENABLE_LOCK},
  {"exit-info",             optional_argument, 0, 'T'},
  {"flush",                 no_argument,       0, (int) OPT_FLUSH},
2519 2520 2521 2522 2523
#ifdef HAVE_GEMINI_DB
  {"gemini-flush-log-at-commit",no_argument,   0, (int) OPT_GEMINI_FLUSH_LOG},
  {"gemini-recovery",	    required_argument, 0, (int) OPT_GEMINI_RECOVER},
  {"gemini-unbuffered-io",  no_argument,       0, (int) OPT_GEMINI_UNBUFFERED_IO},
#endif
unknown's avatar
unknown committed
2524 2525
  /* We must always support this option to make scripts like mysqltest easier
     to do */
unknown's avatar
unknown committed
2526 2527
  {"innodb_data_file_path", required_argument, 0,
     OPT_INNODB_DATA_FILE_PATH},
unknown's avatar
unknown committed
2528
#ifdef HAVE_INNOBASE_DB
unknown's avatar
unknown committed
2529 2530 2531 2532 2533 2534 2535 2536 2537 2538
  {"innodb_data_home_dir", required_argument, 0,
     OPT_INNODB_DATA_HOME_DIR},
  {"innodb_log_group_home_dir", required_argument, 0,
    OPT_INNODB_LOG_GROUP_HOME_DIR},
  {"innodb_log_arch_dir", required_argument, 0,
    OPT_INNODB_LOG_ARCH_DIR},
  {"innodb_log_archive", optional_argument, 0,
     OPT_INNODB_LOG_ARCHIVE},
  {"innodb_flush_log_at_trx_commit", optional_argument, 0,
     OPT_INNODB_FLUSH_LOG_AT_TRX_COMMIT},
2539 2540
  {"innodb_unix_file_flush_method", required_argument, 0,
    OPT_INNODB_UNIX_FILE_FLUSH_METHOD},
unknown's avatar
unknown committed
2541
#endif
2542 2543 2544 2545 2546
  {"help",                  no_argument,       0, '?'},
  {"init-file",             required_argument, 0, (int) OPT_INIT_FILE},
  {"log",                   optional_argument, 0, 'l'},
  {"language",              required_argument, 0, 'L'},
  {"log-bin",               optional_argument, 0, (int) OPT_BIN_LOG},
2547
  {"log-bin-index",         required_argument, 0, (int) OPT_BIN_LOG_INDEX},
2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559
  {"log-isam",              optional_argument, 0, (int) OPT_ISAM_LOG},
  {"log-update",            optional_argument, 0, (int) OPT_UPDATE_LOG},
  {"log-slow-queries",      optional_argument, 0, (int) OPT_SLOW_QUERY_LOG},
  {"log-long-format",       no_argument,       0, (int) OPT_LONG_FORMAT},
  {"log-slave-updates",     no_argument,       0, (int) OPT_LOG_SLAVE_UPDATES},
  {"low-priority-updates",  no_argument,       0, (int) OPT_LOW_PRIORITY_UPDATES},
  {"master-host",           required_argument, 0, (int) OPT_MASTER_HOST},
  {"master-user",           required_argument, 0, (int) OPT_MASTER_USER},
  {"master-password",       required_argument, 0, (int) OPT_MASTER_PASSWORD},
  {"master-port",           required_argument, 0, (int) OPT_MASTER_PORT},
  {"master-connect-retry",  required_argument, 0, (int) OPT_MASTER_CONNECT_RETRY},
  {"master-info-file",      required_argument, 0, (int) OPT_MASTER_INFO_FILE},
2560
  {"myisam-recover",	    optional_argument, 0, (int) OPT_MYISAM_RECOVER},
2561
  {"memlock",		    no_argument,       0, (int) OPT_MEMLOCK},
unknown's avatar
unknown committed
2562 2563 2564 2565
    // needs to be available for the test case to pass in non-debugging mode
    // is a no-op
  {"disconnect-slave-event-count",      required_argument, 0,
     (int) OPT_DISCONNECT_SLAVE_EVENT_COUNT},
2566 2567
  {"abort-slave-event-count",      required_argument, 0,
     (int) OPT_ABORT_SLAVE_EVENT_COUNT},
unknown's avatar
unknown committed
2568 2569
  {"safemalloc-mem-limit",  required_argument, 0, (int)
     OPT_SAFEMALLOC_MEM_LIMIT},
2570 2571
  {"new",                   no_argument,       0, 'n'},
  {"old-protocol",          no_argument,       0, 'o'},
2572
#ifdef ONE_THREAD
2573 2574 2575 2576 2577
  {"one-thread",            no_argument,       0, (int) OPT_ONE_THREAD},
#endif
  {"pid-file",              required_argument, 0, (int) OPT_PID_FILE},
  {"port",                  required_argument, 0, 'P'},
  {"replicate-do-db",       required_argument, 0, (int) OPT_REPLICATE_DO_DB},
2578 2579
  {"replicate-do-table",       required_argument, 0,
   (int) OPT_REPLICATE_DO_TABLE},
2580
  {"replicate-wild-do-table",       required_argument, 0,
unknown's avatar
unknown committed
2581
   (int) OPT_REPLICATE_WILD_DO_TABLE},
2582 2583 2584 2585
  {"replicate-ignore-db",   required_argument, 0,
   (int) OPT_REPLICATE_IGNORE_DB},
  {"replicate-ignore-table",   required_argument, 0,
   (int) OPT_REPLICATE_IGNORE_TABLE},
2586
  {"replicate-wild-ignore-table",   required_argument, 0,
unknown's avatar
unknown committed
2587
   (int) OPT_REPLICATE_WILD_IGNORE_TABLE},
2588 2589
  {"replicate-rewrite-db",   required_argument, 0,
     (int) OPT_REPLICATE_REWRITE_DB},
2590
  {"safe-mode",             no_argument,       0, (int) OPT_SAFE},
2591
  {"safe-show-database",    no_argument,       0, (int) OPT_SAFE_SHOW_DB},
2592
  {"socket",                required_argument, 0, (int) OPT_SOCKET},
2593
  {"server-id",		    required_argument, 0, (int) OPT_SERVER_ID},
2594 2595
  {"set-variable",          required_argument, 0, 'O'},
  {"skip-bdb",              no_argument,       0, (int) OPT_BDB_SKIP},
unknown's avatar
unknown committed
2596
  {"skip-innodb",           no_argument,       0, (int) OPT_INNODB_SKIP},
unknown's avatar
unknown committed
2597
  {"skip-gemini",           no_argument,       0, (int) OPT_GEMINI_SKIP},
2598
  {"skip-concurrent-insert", no_argument,      0, (int) OPT_SKIP_CONCURRENT_INSERT},
2599 2600 2601 2602 2603
  {"skip-delay-key-write",  no_argument,       0, (int) OPT_SKIP_DELAY_KEY_WRITE},
  {"skip-grant-tables",     no_argument,       0, (int) OPT_SKIP_GRANT},
  {"skip-locking",          no_argument,       0, (int) OPT_SKIP_LOCK},
  {"skip-host-cache",       no_argument,       0, (int) OPT_SKIP_HOST_CACHE},
  {"skip-name-resolve",     no_argument,       0, (int) OPT_SKIP_RESOLVE},
unknown's avatar
unknown committed
2604
  {"skip-networking",       no_argument,       0, (int) OPT_SKIP_NETWORKING},
2605
  {"skip-new",              no_argument,       0, (int) OPT_SKIP_NEW},
2606
  {"skip-safemalloc",	    no_argument,       0, (int) OPT_SKIP_SAFEMALLOC},
2607
  {"skip-show-database",    no_argument,       0, (int) OPT_SKIP_SHOW_DB},
unknown's avatar
unknown committed
2608
  {"skip-slave-start",      no_argument,       0, (int) OPT_SKIP_SLAVE_START},
unknown's avatar
unknown committed
2609
  {"skip-stack-trace",	    no_argument,       0, (int) OPT_SKIP_STACK_TRACE},
2610 2611
  {"skip-thread-priority",  no_argument,       0, (int) OPT_SKIP_PRIOR},
  {"sql-bin-update-same",   no_argument,       0, (int) OPT_SQL_BIN_UPDATE_SAME},
unknown's avatar
unknown committed
2612 2613
#include "sslopt-longopts.h"
#ifdef __WIN__
2614
  {"standalone",            no_argument,       0, (int) OPT_STANDALONE},
unknown's avatar
unknown committed
2615
#endif
unknown's avatar
unknown committed
2616
  {"transaction-isolation", required_argument, 0, (int) OPT_TX_ISOLATION},
2617
  {"temp-pool",             no_argument,       0, (int) OPT_TEMP_POOL},
2618 2619
  {"tmpdir",                required_argument, 0, 't'},
  {"use-locking",           no_argument,       0, (int) OPT_USE_LOCKING},
unknown's avatar
unknown committed
2620
#ifdef USE_SYMDIR
2621
  {"use-symbolic-links",    no_argument,       0, 's'},
unknown's avatar
unknown committed
2622
#endif
2623 2624
  {"user",                  required_argument, 0, 'u'},
  {"version",               no_argument,       0, 'V'},
unknown's avatar
unknown committed
2625 2626 2627 2628
  {0, 0, 0, 0}
};

CHANGEABLE_VAR changeable_vars[] = {
2629 2630
  { "back_log",                (long*) &back_log, 
      50, 1, 65535, 0, 1 },
unknown's avatar
unknown committed
2631
#ifdef HAVE_BERKELEY_DB
2632 2633
  { "bdb_cache_size",          (long*) &berkeley_cache_size, 
      KEY_CACHE_SIZE, 20*1024, (long) ~0, 0, IO_SIZE },
unknown's avatar
unknown committed
2634 2635
  {"bdb_log_buffer_size",      (long*) &berkeley_log_buffer_size, 0, 256*1024L,
     ~0L, 0, 1024},
2636
  { "bdb_max_lock",            (long*) &berkeley_max_lock, 
unknown's avatar
unknown committed
2637
      10000, 0, (long) ~0, 0, 1 },
2638 2639
    /* QQ: The following should be removed soon! */
  { "bdb_lock_max",            (long*) &berkeley_max_lock, 
unknown's avatar
unknown committed
2640
      10000, 0, (long) ~0, 0, 1 },
2641
#endif
unknown's avatar
unknown committed
2642
  { "binlog_cache_size",       (long*) &binlog_cache_size,
2643
      32*1024L, IO_SIZE, ~0L, 0, IO_SIZE },
2644 2645
  { "connect_timeout",         (long*) &connect_timeout,
      CONNECT_TIMEOUT, 2, 65535, 0, 1 },
unknown's avatar
unknown committed
2646
  { "delayed_insert_timeout",  (long*) &delayed_insert_timeout, 
2647 2648 2649 2650 2651 2652 2653
      DELAYED_WAIT_TIMEOUT, 1, ~0L, 0, 1 },
  { "delayed_insert_limit",    (long*) &delayed_insert_limit, 
      DELAYED_LIMIT, 1, ~0L, 0, 1 },
  { "delayed_queue_size",      (long*) &delayed_queue_size,
      DELAYED_QUEUE_SIZE, 1, ~0L, 0, 1 },
  { "flush_time",              (long*) &flush_time,
      FLUSH_TIME, 0, ~0L, 0, 1 },
unknown's avatar
unknown committed
2654 2655 2656 2657 2658 2659
  { "ft_min_word_len",         (long*) &ft_min_word_len,
      4, 1, HA_FT_MAXLEN, 0, 1 },
  { "ft_max_word_len",         (long*) &ft_max_word_len,
      HA_FT_MAXLEN, 10, HA_FT_MAXLEN, 0, 1 },
  { "ft_max_word_len_for_sort",(long*) &ft_max_word_len_for_sort,
      20, 4, HA_FT_MAXLEN, 0, 1 },
2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675
#ifdef HAVE_GEMINI_DB
  { "gemini_buffer_cache",     (long*) &gemini_buffer_cache,
      128 * 8192, 16, LONG_MAX, 0, 1 },
  { "gemini_connection_limit", (long*) &gemini_connection_limit,
      100, 10, LONG_MAX, 0, 1 },
  { "gemini_io_threads",       (long*) &gemini_io_threads,
      2, 0, 256, 0, 1 },
  { "gemini_log_cluster_size", (long*) &gemini_log_cluster_size,
      256 * 1024, 16 * 1024, LONG_MAX, 0, 1 },
  { "gemini_lock_table_size",  (long*) &gemini_locktablesize,
      4096, 1024, LONG_MAX, 0, 1 },
  { "gemini_lock_wait_timeout",(long*) &gemini_lock_wait_timeout,
      10, 1, LONG_MAX, 0, 1 },
  { "gemini_spin_retries",     (long*) &gemini_spin_retries,
      1, 0, LONG_MAX, 0, 1 },
#endif
unknown's avatar
unknown committed
2676
#ifdef HAVE_INNOBASE_DB
unknown's avatar
unknown committed
2677
  {"innodb_mirrored_log_groups",
unknown's avatar
unknown committed
2678
   (long*) &innobase_mirrored_log_groups, 1, 1, 10, 0, 1},
unknown's avatar
unknown committed
2679
  {"innodb_log_files_in_group",
unknown's avatar
unknown committed
2680
     (long*) &innobase_log_files_in_group, 2, 2, 100, 0, 1},
unknown's avatar
unknown committed
2681
  {"innodb_log_file_size",
unknown's avatar
unknown committed
2682 2683
     (long*) &innobase_log_file_size, 5*1024*1024L, 1*1024*1024L,
     ~0L, 0, 1024*1024L},
unknown's avatar
unknown committed
2684
  {"innodb_log_buffer_size",
unknown's avatar
unknown committed
2685 2686
     (long*) &innobase_log_buffer_size, 1024*1024L, 256*1024L,
     ~0L, 0, 1024},
unknown's avatar
unknown committed
2687
  {"innodb_buffer_pool_size",
unknown's avatar
unknown committed
2688 2689
     (long*) &innobase_buffer_pool_size, 8*1024*1024L, 1024*1024L,
     ~0L, 0, 1024*1024L},
unknown's avatar
unknown committed
2690
  {"innodb_additional_mem_pool_size",
unknown's avatar
unknown committed
2691 2692
   (long*) &innobase_additional_mem_pool_size, 1*1024*1024L, 512*1024L,
     ~0L, 0, 1024},
unknown's avatar
unknown committed
2693
  {"innodb_file_io_threads",
unknown's avatar
unknown committed
2694
     (long*) &innobase_file_io_threads, 9, 4, 64, 0, 1},
unknown's avatar
unknown committed
2695
  {"innodb_lock_wait_timeout",
unknown's avatar
unknown committed
2696 2697
     (long*) &innobase_lock_wait_timeout, 1024 * 1024 * 1024, 1,
						1024 * 1024 * 1024, 0, 1},
unknown's avatar
unknown committed
2698
#endif
2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709
  { "interactive_timeout",     (long*) &net_interactive_timeout,
      NET_WAIT_TIMEOUT, 1, 31*24*60*60, 0, 1 },
  { "join_buffer_size",        (long*) &join_buff_size,
      128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD, IO_SIZE },
  { "key_buffer_size",         (long*) &keybuff_size,
      KEY_CACHE_SIZE, MALLOC_OVERHEAD, (long) ~0, MALLOC_OVERHEAD, IO_SIZE },
  { "long_query_time",         (long*) &long_query_time,
      10, 1, ~0L, 0, 1 },
  { "lower_case_table_names",  (long*) &lower_case_table_names,
      IF_WIN(1,0), 0, 1, 0, 1 },
  { "max_allowed_packet",      (long*) &max_allowed_packet,
unknown's avatar
unknown committed
2710
      1024*1024L, 80, 64*1024*1024L, MALLOC_OVERHEAD, 1024 },
2711 2712
  { "max_binlog_cache_size",   (long*) &max_binlog_cache_size,
      ~0L, IO_SIZE, ~0L, 0, IO_SIZE },
unknown's avatar
unknown committed
2713
  { "max_binlog_size",         (long*) &max_binlog_size,
2714
      1024*1024L*1024L, 1024, 1024*1024L*1024L, 0, 1 },
2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728
  { "max_connections",         (long*) &max_connections,
      100, 1, 16384, 0, 1 },
  { "max_connect_errors",      (long*) &max_connect_errors,
      MAX_CONNECT_ERRORS, 1, ~0L, 0, 1 },
  { "max_delayed_threads",     (long*) &max_insert_delayed_threads,
      20, 1, 16384, 0, 1 },
  { "max_heap_table_size",     (long*) &max_heap_table_size,
      16*1024*1024L, 16384, ~0L, MALLOC_OVERHEAD, 1024 },
  { "max_join_size",           (long*) &max_join_size,
      ~0L, 1, ~0L, 0, 1 },
  { "max_sort_length",         (long*) &max_item_sort_length,
      1024, 4, 8192*1024L, 0, 1 },
  { "max_tmp_tables",          (long*) &max_tmp_tables,
      32, 1, ~0L, 0, 1 },
2729
  { "max_user_connections",    (long*) &max_user_connections,
unknown's avatar
unknown committed
2730
      0, 1, ~0L, 0, 1 },
2731 2732
  { "max_write_lock_count",    (long*) &max_write_lock_count,
      ~0L, 1, ~0L, 0, 1 },
unknown's avatar
unknown committed
2733
  { "myisam_bulk_insert_tree_size", (long*) &myisam_bulk_insert_tree_size,
2734
      8192*1024, 4, ~0L, 0, 1 },
2735 2736 2737 2738 2739
  { "myisam_max_extra_sort_file_size",
    (long*) &myisam_max_extra_sort_file_size,
    (long) (MI_MAX_TEMP_LENGTH/(1024L*1024L)), 0, ~0L, 0, 1 },
  { "myisam_max_sort_file_size", (long*) &myisam_max_sort_file_size,
    (long) (LONG_MAX/(1024L*1024L)), 0, ~0L, 0, 1 },
unknown's avatar
unknown committed
2740 2741
  { "myisam_sort_buffer_size", (long*) &myisam_sort_buffer_size,
      8192*1024, 4, ~0L, 0, 1 },
2742 2743 2744 2745 2746 2747 2748 2749
  { "net_buffer_length",       (long*) &net_buffer_length,
      16384, 1024, 1024*1024L, MALLOC_OVERHEAD, 1024 },
  { "net_retry_count",         (long*) &mysqld_net_retry_count,
      MYSQLD_NET_RETRY_COUNT, 1, ~0L, 0, 1 },
  { "net_read_timeout",        (long*) &net_read_timeout, 
      NET_READ_TIMEOUT, 1, 65535, 0, 1 },
  { "net_write_timeout",       (long*) &net_write_timeout,
      NET_WRITE_TIMEOUT, 1, 65535, 0, 1 },
unknown's avatar
unknown committed
2750 2751
  { "open_files_limit",        (long*) &open_files_limit,
      0, 0, 65535, 0, 1},
2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764
  { "query_buffer_size",       (long*) &query_buff_size,
      0, MALLOC_OVERHEAD, (long) ~0, MALLOC_OVERHEAD, IO_SIZE },
  { "record_buffer",           (long*) &my_default_record_cache_size,
      128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD, IO_SIZE },
  { "slow_launch_time",        (long*) &slow_launch_time, 
      2L, 0L, ~0L, 0, 1 },
  { "sort_buffer",             (long*) &sortbuff_size,
      MAX_SORT_MEMORY, MIN_SORT_MEMORY+MALLOC_OVERHEAD*2, ~0L, MALLOC_OVERHEAD, 1 },
  { "table_cache",             (long*) &table_cache_size,
      64, 1, 16384, 0, 1 },
  { "thread_concurrency",      (long*) &concurrency,
      DEFAULT_CONCURRENCY, 1, 512, 0, 1 },
  { "thread_cache_size",       (long*) &thread_cache_size,
2765
      0, 0, 16384, 0, 1 },
2766
  { "tmp_table_size",          (long*) &tmp_table_size,
2767
    32*1024*1024L, 1024, ~0L, 0, 1 },
2768
  { "thread_stack",            (long*) &thread_stack,
unknown's avatar
Merge  
unknown committed
2769
      DEFAULT_THREAD_STACK, 1024*32, ~0L, 0, 1024 },
2770 2771 2772 2773
  { "wait_timeout",            (long*) &net_wait_timeout,
      NET_WAIT_TIMEOUT, 1, ~0L, 0, 1 },
  { NullS, (long*) 0, 0, 0, 0, 0, 0}
};
unknown's avatar
unknown committed
2774 2775 2776


struct show_var_st init_vars[]= {
2777 2778 2779
  {"ansi_mode",               (char*) &opt_ansi_mode,               SHOW_BOOL},
  {"back_log",                (char*) &back_log,                    SHOW_LONG},
  {"basedir",                 mysql_home,                           SHOW_CHAR},
unknown's avatar
unknown committed
2780
#ifdef HAVE_BERKELEY_DB
2781
  {"bdb_cache_size",          (char*) &berkeley_cache_size,         SHOW_LONG},
unknown's avatar
unknown committed
2782
  {"bdb_log_buffer_size",     (char*) &berkeley_log_buffer_size,    SHOW_LONG},
2783
  {"bdb_home",                (char*) &berkeley_home,               SHOW_CHAR_PTR},
2784
  {"bdb_max_lock",            (char*) &berkeley_max_lock,	    SHOW_LONG},
2785
  {"bdb_logdir",              (char*) &berkeley_logdir,             SHOW_CHAR_PTR},
2786
  {"bdb_shared_data",	      (char*) &berkeley_shared_data,	    SHOW_BOOL},
2787
  {"bdb_tmpdir",              (char*) &berkeley_tmpdir,             SHOW_CHAR_PTR},
2788
  {"bdb_version",             (char*) DB_VERSION_STRING,            SHOW_CHAR},
2789
#endif
2790
  {"binlog_cache_size",       (char*) &binlog_cache_size,	    SHOW_LONG},
2791 2792 2793
  {"character_set",           default_charset,                      SHOW_CHAR},
  {"character_sets",          (char*) &charsets_list,               SHOW_CHAR_PTR},
  {"concurrent_insert",       (char*) &myisam_concurrent_insert,    SHOW_MY_BOOL},
2794
  {"connect_timeout",         (char*) &connect_timeout,             SHOW_LONG},
2795 2796 2797 2798 2799 2800 2801
  {"datadir",                 mysql_real_data_home,                 SHOW_CHAR},
  {"delay_key_write",         (char*) &myisam_delay_key_write,      SHOW_MY_BOOL},
  {"delayed_insert_limit",    (char*) &delayed_insert_limit,        SHOW_LONG},
  {"delayed_insert_timeout",  (char*) &delayed_insert_timeout,      SHOW_LONG},
  {"delayed_queue_size",      (char*) &delayed_queue_size,          SHOW_LONG},
  {"flush",                   (char*) &myisam_flush,                SHOW_MY_BOOL},
  {"flush_time",              (char*) &flush_time,                  SHOW_LONG},
unknown's avatar
unknown committed
2802 2803 2804
  {"ft_min_word_len",         (char*) &ft_min_word_len,             SHOW_LONG},
  {"ft_max_word_len",         (char*) &ft_max_word_len,             SHOW_LONG},
  {"ft_max_word_len_for_sort",(char*) &ft_max_word_len_for_sort,    SHOW_LONG},
2805 2806 2807 2808 2809 2810 2811 2812 2813 2814
#ifdef HAVE_GEMINI_DB
  {"gemini_buffer_cache",     (char*) &gemini_buffer_cache,         SHOW_LONG},
  {"gemini_connection_limit", (char*) &gemini_connection_limit,     SHOW_LONG},
  {"gemini_io_threads",       (char*) &gemini_io_threads,           SHOW_LONG},
  {"gemini_log_cluster_size", (char*) &gemini_log_cluster_size,     SHOW_LONG}, 
  {"gemini_lock_table_size",  (char*) &gemini_locktablesize,        SHOW_LONG}, 
  {"gemini_lock_wait_timeout",(char*) &gemini_lock_wait_timeout,    SHOW_LONG}, 
  {"gemini_recovery_options", (char*) &gemini_recovery_options_str, SHOW_CHAR_PTR},
  {"gemini_spin_retries",     (char*) &gemini_spin_retries,         SHOW_LONG},
#endif
2815
  {"have_bdb",		      (char*) &have_berkeley_db,	    SHOW_HAVE},
2816
  {"have_gemini",	      (char*) &have_gemini,		    SHOW_HAVE},
unknown's avatar
unknown committed
2817
  {"have_innodb",	      (char*) &have_innodb,		    SHOW_HAVE},
2818
  {"have_isam",	      	      (char*) &have_isam,		    SHOW_HAVE},
2819 2820
  {"have_raid",		      (char*) &have_raid,		    SHOW_HAVE},
  {"have_ssl",		      (char*) &have_ssl,		    SHOW_HAVE},
2821
  {"init_file",               (char*) &opt_init_file,               SHOW_CHAR_PTR},
unknown's avatar
unknown committed
2822
#ifdef HAVE_INNOBASE_DB
unknown's avatar
unknown committed
2823 2824 2825 2826 2827 2828
  {"innodb_data_file_path", (char*) &innobase_data_file_path,	    SHOW_CHAR_PTR},
  {"innodb_data_home_dir",  (char*) &innobase_data_home_dir,	    SHOW_CHAR_PTR},
  {"innodb_flush_log_at_trx_commit", (char*) &innobase_flush_log_at_trx_commit, SHOW_MY_BOOL},
  {"innodb_log_arch_dir",   (char*) &innobase_log_arch_dir, 	    SHOW_CHAR_PTR},
  {"innodb_log_archive",    (char*) &innobase_log_archive, 	    SHOW_MY_BOOL},
  {"innodb_log_group_home_dir", (char*) &innobase_log_group_home_dir, SHOW_CHAR_PTR},
2829
  {"innodb_unix_file_flush_method", (char*) &innobase_unix_file_flush_method, SHOW_CHAR_PTR},
unknown's avatar
unknown committed
2830
#endif
2831
  {"interactive_timeout",     (char*) &net_interactive_timeout,     SHOW_LONG},
2832
  {"join_buffer_size",        (char*) &join_buff_size,              SHOW_LONG},
2833 2834
  {"key_buffer_size",         (char*) &keybuff_size,                SHOW_LONG},
  {"language",                language,                             SHOW_CHAR},
2835
  {"large_files_support",     (char*) &opt_large_files,             SHOW_BOOL},	
unknown's avatar
unknown committed
2836
#ifdef HAVE_MLOCKALL
2837 2838
  {"locked_in_memory",	      (char*) &locked_in_memory,	    SHOW_BOOL},
#endif
2839 2840 2841 2842 2843 2844 2845 2846
  {"log",                     (char*) &opt_log,                     SHOW_BOOL},
  {"log_update",              (char*) &opt_update_log,              SHOW_BOOL},
  {"log_bin",                 (char*) &opt_bin_log,                 SHOW_BOOL},
  {"log_slave_updates",       (char*) &opt_log_slave_updates,       SHOW_BOOL},
  {"long_query_time",         (char*) &long_query_time,             SHOW_LONG},
  {"low_priority_updates",    (char*) &low_priority_updates,        SHOW_BOOL},
  {"lower_case_table_names",  (char*) &lower_case_table_names,      SHOW_LONG},
  {"max_allowed_packet",      (char*) &max_allowed_packet,          SHOW_LONG},
2847 2848
  {"max_binlog_cache_size",   (char*) &max_binlog_cache_size,	    SHOW_LONG},
  {"max_binlog_size",         (char*) &max_binlog_size,	            SHOW_LONG},
2849 2850 2851 2852 2853 2854
  {"max_connections",         (char*) &max_connections,             SHOW_LONG},
  {"max_connect_errors",      (char*) &max_connect_errors,          SHOW_LONG},
  {"max_delayed_threads",     (char*) &max_insert_delayed_threads,  SHOW_LONG},
  {"max_heap_table_size",     (char*) &max_heap_table_size,         SHOW_LONG},
  {"max_join_size",           (char*) &max_join_size,               SHOW_LONG},
  {"max_sort_length",         (char*) &max_item_sort_length,        SHOW_LONG},
unknown's avatar
unknown committed
2855
  {"max_user_connections",    (char*) &max_user_connections,        SHOW_LONG},
2856 2857
  {"max_tmp_tables",          (char*) &max_tmp_tables,              SHOW_LONG},
  {"max_write_lock_count",    (char*) &max_write_lock_count,        SHOW_LONG},
unknown's avatar
unknown committed
2858
  {"myisam_bulk_insert_tree_size", (char*) &myisam_bulk_insert_tree_size, SHOW_INT},
2859 2860 2861
  {"myisam_max_extra_sort_file_size", (char*) &myisam_max_extra_sort_file_size,
   SHOW_LONG},
  {"myisam_max_sort_file_size",(char*) &myisam_max_sort_file_size,  SHOW_LONG},
2862
  {"myisam_sort_buffer_size", (char*) &myisam_sort_buffer_size,     SHOW_LONG},
unknown's avatar
unknown committed
2863
  {"myisam_recover_options",  (char*) &myisam_recover_options_str,  SHOW_CHAR_PTR},
2864
  {"net_buffer_length",       (char*) &net_buffer_length,           SHOW_LONG},
2865
  {"net_read_timeout",        (char*) &net_read_timeout,	    SHOW_LONG},
2866
  {"net_retry_count",         (char*) &mysqld_net_retry_count,      SHOW_LONG},
2867
  {"net_write_timeout",       (char*) &net_write_timeout,	    SHOW_LONG},
unknown's avatar
unknown committed
2868
  {"open_files_limit",	      (char*) &open_files_limit,	    SHOW_LONG},
2869 2870 2871 2872
  {"pid_file",                (char*) pidfile_name,                 SHOW_CHAR},
  {"port",                    (char*) &mysql_port,                  SHOW_INT},
  {"protocol_version",        (char*) &protocol_version,            SHOW_INT},
  {"record_buffer",           (char*) &my_default_record_cache_size,SHOW_LONG},
2873
  {"query_buffer_size",       (char*) &query_buff_size,		    SHOW_LONG},
2874
  {"safe_show_database",      (char*) &opt_safe_show_db,            SHOW_BOOL},
2875
  {"server_id",               (char*) &server_id,		    SHOW_LONG},
2876 2877 2878 2879 2880 2881 2882 2883
  {"skip_locking",            (char*) &my_disable_locking,          SHOW_MY_BOOL},
  {"skip_networking",         (char*) &opt_disable_networking,      SHOW_BOOL},
  {"skip_show_database",      (char*) &opt_skip_show_db,            SHOW_BOOL},
  {"slow_launch_time",        (char*) &slow_launch_time,            SHOW_LONG},
  {"socket",                  (char*) &mysql_unix_port,             SHOW_CHAR_PTR},
  {"sort_buffer",             (char*) &sortbuff_size,               SHOW_LONG},
  {"table_cache",             (char*) &table_cache_size,            SHOW_LONG},
  {"table_type",              (char*) &default_table_type_name,     SHOW_CHAR_PTR},
2884
  {"thread_cache_size",       (char*) &thread_cache_size,           SHOW_LONG},
unknown's avatar
unknown committed
2885
#ifdef HAVE_THR_SETCONCURRENCY
2886
  {"thread_concurrency",      (char*) &concurrency,                 SHOW_LONG},
unknown's avatar
unknown committed
2887
#endif
2888
  {"thread_stack",            (char*) &thread_stack,                SHOW_LONG},
2889
  {"transaction_isolation",   (char*) &default_tx_isolation_name,   SHOW_CHAR_PTR},
unknown's avatar
unknown committed
2890
#ifdef HAVE_TZNAME
2891
  {"timezone",                time_zone,                            SHOW_CHAR},
unknown's avatar
unknown committed
2892
#endif
2893 2894 2895 2896
  {"tmp_table_size",          (char*) &tmp_table_size,              SHOW_LONG},
  {"tmpdir",                  (char*) &mysql_tmpdir,                SHOW_CHAR_PTR},
  {"version",                 server_version,                       SHOW_CHAR},
  {"wait_timeout",            (char*) &net_wait_timeout,            SHOW_LONG},
2897
  {NullS, NullS, SHOW_LONG}
unknown's avatar
unknown committed
2898 2899 2900
};

struct show_var_st status_vars[]= {
2901 2902 2903 2904 2905
  {"Aborted_clients",          (char*) &aborted_threads,        SHOW_LONG},
  {"Aborted_connects",         (char*) &aborted_connects,       SHOW_LONG},
  {"Bytes_received",           (char*) &bytes_received,         SHOW_LONG},
  {"Bytes_sent",               (char*) &bytes_sent,             SHOW_LONG},
  {"Connections",              (char*) &thread_id,              SHOW_LONG_CONST},
2906
  {"Created_tmp_disk_tables",  (char*) &created_tmp_disk_tables,SHOW_LONG},
2907
  {"Created_tmp_tables",       (char*) &created_tmp_tables,     SHOW_LONG},
2908
  {"Created_tmp_files",	       (char*) &my_tmp_file_created,	SHOW_LONG},
2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934
  {"Delayed_insert_threads",   (char*) &delayed_insert_threads, SHOW_LONG},
  {"Delayed_writes",           (char*) &delayed_insert_writes,  SHOW_LONG},
  {"Delayed_errors",           (char*) &delayed_insert_errors,  SHOW_LONG},
  {"Flush_commands",           (char*) &refresh_version,        SHOW_LONG_CONST},
  {"Handler_delete",           (char*) &ha_delete_count,        SHOW_LONG},
  {"Handler_read_first",       (char*) &ha_read_first_count,    SHOW_LONG},
  {"Handler_read_key",         (char*) &ha_read_key_count,      SHOW_LONG},
  {"Handler_read_next",        (char*) &ha_read_next_count,     SHOW_LONG},
  {"Handler_read_prev",        (char*) &ha_read_prev_count,     SHOW_LONG},
  {"Handler_read_rnd",         (char*) &ha_read_rnd_count,      SHOW_LONG},
  {"Handler_read_rnd_next",    (char*) &ha_read_rnd_next_count, SHOW_LONG},
  {"Handler_update",           (char*) &ha_update_count,        SHOW_LONG},
  {"Handler_write",            (char*) &ha_write_count,         SHOW_LONG},
  {"Key_blocks_used",          (char*) &_my_blocks_used,        SHOW_LONG_CONST},
  {"Key_read_requests",        (char*) &_my_cache_r_requests,   SHOW_LONG},
  {"Key_reads",                (char*) &_my_cache_read,         SHOW_LONG},
  {"Key_write_requests",       (char*) &_my_cache_w_requests,   SHOW_LONG},
  {"Key_writes",               (char*) &_my_cache_write,        SHOW_LONG},
  {"Max_used_connections",     (char*) &max_used_connections,   SHOW_LONG},
  {"Not_flushed_key_blocks",   (char*) &_my_blocks_changed,     SHOW_LONG_CONST},
  {"Not_flushed_delayed_rows", (char*) &delayed_rows_in_use,    SHOW_LONG_CONST},
  {"Open_tables",              (char*) 0,                       SHOW_OPENTABLES},
  {"Open_files",               (char*) &my_file_opened,         SHOW_INT_CONST},
  {"Open_streams",             (char*) &my_stream_opened,       SHOW_INT_CONST},
  {"Opened_tables",            (char*) &opened_tables,          SHOW_LONG},
  {"Questions",                (char*) 0,                       SHOW_QUESTION},
2935 2936 2937 2938 2939 2940
  {"Select_full_join",         (char*) &select_full_join_count, SHOW_LONG},
  {"Select_full_range_join",   (char*) &select_full_range_join_count, SHOW_LONG},
  {"Select_range",             (char*) &select_range_count, 	SHOW_LONG},
  {"Select_range_check",       (char*) &select_range_check_count, SHOW_LONG},
  {"Select_scan",	       (char*) &select_scan_count,	SHOW_LONG},
  {"Slave_running",            (char*) &slave_running,          SHOW_BOOL},
2941
  {"Slave_open_temp_tables",   (char*) &slave_open_temp_tables, SHOW_LONG},
2942 2943
  {"Slow_launch_threads",      (char*) &slow_launch_threads,    SHOW_LONG},
  {"Slow_queries",             (char*) &long_query_count,       SHOW_LONG},
2944
  {"Sort_merge_passes",	       (char*) &filesort_merge_passes,  SHOW_LONG},
2945 2946 2947
  {"Sort_range",	       (char*) &filesort_range_count,   SHOW_LONG},
  {"Sort_rows",		       (char*) &filesort_rows,	        SHOW_LONG},
  {"Sort_scan",		       (char*) &filesort_scan_count,    SHOW_LONG},
unknown's avatar
unknown committed
2948 2949
  {"Table_locks_immediate",    (char*) &locks_immediate,        SHOW_LONG},
  {"Table_locks_waited",       (char*) &locks_waited,           SHOW_LONG},
2950
  {"Threads_cached",           (char*) &cached_thread_count,    SHOW_LONG_CONST},
2951
  {"Threads_created",	       (char*) &thread_created,		SHOW_LONG_CONST},
2952 2953 2954 2955
  {"Threads_connected",        (char*) &thread_count,           SHOW_INT_CONST},
  {"Threads_running",          (char*) &thread_running,         SHOW_INT_CONST},
  {"Uptime",                   (char*) 0,                       SHOW_STARTTIME},
  {NullS, NullS, SHOW_LONG}
unknown's avatar
unknown committed
2956 2957 2958 2959 2960 2961 2962 2963
};

static void print_version(void)
{
  printf("%s  Ver %s for %s on %s\n",my_progname,
	 server_version,SYSTEM_TYPE,MACHINE_TYPE);
}

unknown's avatar
unknown committed
2964 2965 2966
static void use_help(void)
{
  print_version();
2967
  printf("Use '--help' or '--no-defaults --help' for a list of available options\n");
unknown's avatar
unknown committed
2968 2969
}  

unknown's avatar
unknown committed
2970 2971 2972 2973
static void usage(void)
{
  print_version();
  puts("Copyright (C) 2000 MySQL AB & MySQL Finland AB, by Monty and others");
2974 2975
  puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,");
  puts("and you are welcome to modify and redistribute it under the GPL license\n");
unknown's avatar
unknown committed
2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989
  puts("Starts the MySQL server\n");

  printf("Usage: %s [OPTIONS]\n", my_progname);
  puts("\n\
  --ansi		Use ANSI SQL syntax instead of MySQL syntax\n\
  -b, --basedir=path	Path to installation directory. All paths are\n\
			usually resolved relative to this\n\
  --big-tables		Allow big result sets by saving all temporary sets\n\
			on file (Solves most 'table full' errors)\n\
  --bind-address=IP	Ip address to bind to\n\
  --bootstrap		Used by mysql installation scripts\n\
  --character-sets-dir=...\n\
                        Directory where character sets are\n\
  --chroot=path		Chroot mysqld daemon during startup\n\
2990
  --core-file		Write core on errors\n\
unknown's avatar
unknown committed
2991 2992 2993 2994
  -h, --datadir=path	Path to the database root");
#ifndef DBUG_OFF
  printf("\
  -#, --debug[=...]     Debug log. Default is '%s'\n",default_dbug_option);
2995 2996 2997 2998
#ifdef SAFEMALLOC
  puts("\
  --skip-safemalloc     Don't use the memory allocation checking");
#endif
unknown's avatar
unknown committed
2999 3000 3001 3002 3003 3004 3005 3006 3007 3008
#endif
  puts("\
  --default-character-set=charset\n\
			Set the default character set\n\
  --default-table-type=type\n\
			Set the default table type for tables\n\
  --delay-key-write-for-all-tables\n\
			Don't flush key buffers between writes for any MyISAM\n\
			table\n\
  --enable-locking	Enable system locking\n\
unknown's avatar
unknown committed
3009
  -T, --exit-info	Used for debugging;  Use at your own risk!\n\
unknown's avatar
unknown committed
3010 3011 3012 3013 3014 3015 3016 3017 3018 3019
  --flush		Flush tables to disk between SQL commands\n\
  -?, --help		Display this help and exit\n\
  --init-file=file	Read SQL commands from this file at startup\n\
  -L, --language=...	Client error messages in given language. May be\n\
			given as a full path\n\
  -l, --log[=file]	Log connections and queries to file\n\
  --log-bin[=file]      Log queries in new binary format (for replication)\n\
  --log-bin-index=file  File that holds the names for last binary log files\n\
  --log-update[=file]	Log updates to file.# where # is a unique number\n\
			if not given.\n\
3020
  --log-isam[=file]	Log all MyISAM changes to file\n\
unknown's avatar
unknown committed
3021 3022
  --log-long-format	Log some extra information to update log\n\
  --low-priority-updates INSERT/DELETE/UPDATE has lower priority than selects\n\
unknown's avatar
unknown committed
3023
  --log-slow-queries=[file]\n\
3024 3025
			Log slow queries to this log file.  Defaults logging\n\
                        to hostname-slow.log\n\
unknown's avatar
unknown committed
3026
  --pid-file=path	Pid file used by safe_mysqld\n\
3027 3028
  --myisam-recover[=option[,option...]] where options is one of DEAULT,\n\
			BACKUP or FORCE.\n\
3029
  --memlock		Lock mysqld in memory\n\
unknown's avatar
unknown committed
3030
  -n, --new		Use very new possible 'unsafe' functions\n\
3031 3032
  -o, --old-protocol	Use the old (3.20) protocol\n\
  -P, --port=...	Port number to use for connection\n");
3033
#ifdef ONE_THREAD
3034
  puts("\
unknown's avatar
unknown committed
3035
  --one-thread		Only use one thread (for debugging under Linux)\n");
3036
#endif
unknown's avatar
unknown committed
3037
  puts("\
unknown's avatar
unknown committed
3038 3039 3040
  -O, --set-variable var=option\n\
			Give a variable an value. --help lists variables\n\
  --safe-mode		Skip some optimize stages (for testing)\n\
3041 3042
  --skip-concurrent-insert\n\
		        Don't use concurrent insert with MyISAM\n\
unknown's avatar
unknown committed
3043 3044
  --skip-delay-key-write\n\
			Ignore the delay_key_write option for all tables\n\
3045 3046
  --skip-grant-tables	Start without grant tables. This gives all users\n\
			FULL ACCESS to all tables!\n\
unknown's avatar
unknown committed
3047
  --skip-host-cache	Don't cache host names\n\
unknown's avatar
unknown committed
3048 3049 3050 3051 3052
  --skip-locking	Don't use system locking. To use isamchk one has\n\
			to shut down the server.\n\
  --skip-name-resolve	Don't resolve hostnames.\n\
			All hostnames are IP's or 'localhost'\n\
  --skip-networking	Don't allow connection with TCP/IP.\n\
unknown's avatar
unknown committed
3053
  --skip-new		Don't use new, possible wrong routines.\n");
unknown's avatar
unknown committed
3054 3055
  /* We have to break the string here because of VC++ limits */
  puts("\
unknown's avatar
unknown committed
3056
  --skip-stack-trace    Don't print a stack trace on failure\n\
unknown's avatar
unknown committed
3057 3058 3059 3060 3061
  --skip-show-database  Don't allow 'SHOW DATABASE' commands\n\
  --skip-thread-priority\n\
			Don't give threads different priorities.\n\
  --socket=...		Socket file to use for connection\n\
  -t, --tmpdir=path	Path for temporary files\n\
unknown's avatar
unknown committed
3062 3063
  --transaction-isolation\n\
		        Default transaction isolation level\n\
3064
  --temp-pool           Use a pool of temporary files\n\
unknown's avatar
unknown committed
3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080
  -u, --user=user_name	Run mysqld daemon as user\n\
  -V, --version		output version information and exit");
#ifdef __WIN__
  puts("NT and Win32 specific options:\n\
  --console		Don't remove the console window\n\
  --install		Install mysqld as a service (NT)\n\
  --remove		Remove mysqld from the service list (NT)\n\
  --standalone		Dummy option to start as a standalone program (NT)\n\
");
#endif
#ifdef HAVE_BERKELEY_DB
  puts("\
  --bdb-home=  directory  Berkeley home direcory\n\
  --bdb-lock-detect=#	  Berkeley lock detect\n\
                          (DEFAULT, OLDEST, RANDOM or YOUNGEST, # sec)\n\
  --bdb-logdir=directory  Berkeley DB log file directory\n\
3081
  --bdb-no-sync		  Don't synchronously flush logs\n\
unknown's avatar
unknown committed
3082
  --bdb-no-recover	  Don't try to recover Berkeley DB tables on start\n\
3083
  --bdb-shared-data	  Start Berkeley DB in multi-process mode\n\
unknown's avatar
unknown committed
3084 3085 3086
  --bdb-tmpdir=directory  Berkeley DB tempfile name\n\
  --skip-bdb		  Don't use berkeley db (will save memory)\n\
");
unknown's avatar
unknown committed
3087
#endif /* HAVE_BERKELEY_DB */
3088 3089 3090
#ifdef HAVE_GEMINI_DB
  puts("\
  --gemini-recovery=mode  Set Crash Recovery operating mode\n\
3091
                          (FULL, NONE, FORCE - default FULL)\n\
3092 3093 3094 3095 3096 3097
  --gemini-flush-log-at-commit\n\
                          Every commit forces a write to the reovery log\n\
  --gemini-unbuffered-io  Use unbuffered i/o\n\
  --skip-gemini		  Don't use gemini (will save memory)\n\
");
#endif
3098 3099
#ifdef HAVE_INNOBASE_DB
  puts("\
unknown's avatar
unknown committed
3100 3101 3102 3103 3104 3105 3106 3107
  --innodb_data_home_dir=dir   The common part for Innodb table spaces\n\
  --innodb_data_file_path=dir  Path to individual files and their sizes\n\
  --innodb_flush_log_at_trx_commit[=#]\n\
			       Set to 0 if you don't want to flush logs\n\
  --innodb_log_arch_dir=dir    Where full logs should be archived\n\
  --innodb_log_archive[=#]     Set to 1 if you want to have logs archived\n\
  --innodb_log_group_home_dir=dir  Path to innodb log files.\n\
  --skip-innodb		       Don't use Innodb (will save memory)\n\
3108
");
unknown's avatar
unknown committed
3109
#endif /* HAVE_INNOBASE_DB */
unknown's avatar
unknown committed
3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125
  print_defaults("my",load_default_groups);
  puts("");

#include "sslopt-usage.h"

  fix_paths();
  set_ports();
  printf("\
To see what values a running MySQL server is using, type\n\
'mysqladmin variables' instead of 'mysqld --help'.\n\
The default values (after parsing the command line arguments) are:\n\n");

  printf("basedir:     %s\n",mysql_home);
  printf("datadir:     %s\n",mysql_real_data_home);
  printf("tmpdir:      %s\n",mysql_tmpdir);
  printf("language:    %s\n",language);
3126
#ifndef __WIN__
unknown's avatar
unknown committed
3127
  printf("pid file:    %s\n",pidfile_name);
3128
#endif
unknown's avatar
unknown committed
3129 3130 3131 3132
  if (opt_logname)
    printf("logfile:     %s\n",opt_logname);
  if (opt_update_logname)
    printf("update log:  %s\n",opt_update_logname);
3133 3134 3135 3136 3137 3138
  if (opt_bin_log)
  {
    printf("binary log:  %s\n",opt_bin_logname ? opt_bin_logname : "");
    printf("binary log index:  %s\n",
	   opt_binlog_index_name ? opt_binlog_index_name : "");
  }
unknown's avatar
unknown committed
3139 3140 3141
  if (opt_slow_logname)
    printf("update log:  %s\n",opt_slow_logname);
  printf("TCP port:    %d\n",mysql_port);
3142
#if defined(HAVE_SYS_UN_H)
unknown's avatar
unknown committed
3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182
  printf("Unix socket: %s\n",mysql_unix_port);
#endif
  if (my_disable_locking)
    puts("\nsystem locking is not in use");
  if (opt_noacl)
    puts("\nGrant tables are not used. All users have full access rights");
  printf("\nPossible variables for option --set-variable (-O) are:\n");
  for (uint i=0 ; changeable_vars[i].name ; i++)
    printf("%-20s  current value: %lu\n",
	   changeable_vars[i].name,
	   (ulong) *changeable_vars[i].varptr);
}


static void set_options(void)
{
  set_all_changeable_vars( changeable_vars );
#if !defined( my_pthread_setprio ) && !defined( HAVE_PTHREAD_SETSCHEDPARAM )
  opt_specialflag |= SPECIAL_NO_PRIOR;
#endif

  (void) strmov( default_charset, MYSQL_CHARSET);
  (void) strmov( language, LANGUAGE);
  (void) strmov( mysql_real_data_home, get_relative_path(DATADIR));
#ifdef __WIN__
  /* Allow Win32 users to move MySQL anywhere */
  {
    char prg_dev[LIBLEN];
    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;
  if ( !(tmpenv = getenv("MY_BASEDIR_VERSION")))
    tmpenv = DEFAULT_MYSQL_HOME;
  (void) strmov( mysql_home, tmpenv );
#endif

#if defined( HAVE_mit_thread ) || defined( __WIN__ ) || defined( HAVE_LINUXTHREADS )
3183
  my_disable_locking=myisam_single_user= 1;
unknown's avatar
unknown committed
3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199
#endif
  my_bind_addr = htonl( INADDR_ANY );
}

	/* Initiates DEBUG - but no debugging here ! */

static void get_options(int argc,char **argv)
{
  int c,option_index=0;

  myisam_delay_key_write=1;			// Allow use of this
  while ((c=getopt_long(argc,argv,"ab:C:h:#::T::?l::L:O:P:sS::t:u:noVvI?",
			long_options, &option_index)) != EOF)
  {
    switch(c) {
    case '#':
3200
#ifndef DBUG_OFF
unknown's avatar
unknown committed
3201
      DBUG_PUSH(optarg ? optarg : default_dbug_option);
3202
#endif
unknown's avatar
unknown committed
3203 3204 3205 3206 3207
      opt_endinfo=1;				/* unireg: memory allocation */
      break;
    case 'a':
      opt_ansi_mode=1;
      thd_startup_options|=OPTION_ANSI_MODE;
unknown's avatar
unknown committed
3208
      default_tx_isolation= ISO_SERIALIZABLE;
unknown's avatar
unknown committed
3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231
      break;
    case 'b':
      strmov(mysql_home,optarg);
      break;
    case 'l':
      opt_log=1;
      opt_logname=optarg;			// Use hostname.log if null
      break;
    case 'h':
      strmov(mysql_real_data_home,optarg);
      break;
    case 'L':
      strmov(language,optarg);
      break;
    case 'n':
      opt_specialflag|= SPECIAL_NEW_FUNC;
      break;
    case 'o':
      protocol_version=PROTOCOL_VERSION-1;
      break;
    case 'O':
      if (set_changeable_var(optarg, changeable_vars))
      {
unknown's avatar
unknown committed
3232
	use_help();
unknown's avatar
unknown committed
3233 3234 3235 3236 3237 3238
	exit(1);
      }
      break;
    case 'P':
      mysql_port= (unsigned int) atoi(optarg);
      break;
unknown's avatar
unknown committed
3239
    case OPT_SAFEMALLOC_MEM_LIMIT:
3240
#if !defined(DBUG_OFF) && defined(SAFEMALLOC)      
unknown's avatar
unknown committed
3241 3242
      safemalloc_mem_limit = atoi(optarg);
#endif      
3243
      break;
unknown's avatar
unknown committed
3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257
    case OPT_SOCKET:
      mysql_unix_port= optarg;
      break;
    case 'r':
      mysqld_chroot=optarg;
      break;
#ifdef USE_SYMDIR
    case 's':
      my_use_symdir=1;			/* Use internal symbolic links */
      break;
#endif
    case 't':
      mysql_tmpdir=optarg;
      break;
3258 3259 3260
    case OPT_TEMP_POOL:
      use_temp_pool=1;
      break;
unknown's avatar
unknown committed
3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272
    case 'u':
      mysqld_user=optarg;
      break;
    case 'v':
    case 'V':
      print_version();
      exit(0);
    case 'I':
    case '?':
      usage();
      exit(0);
    case 'T':
3273
      test_flags= optarg ? (uint) atoi(optarg) : 0;
unknown's avatar
unknown committed
3274 3275 3276 3277 3278 3279
      opt_endinfo=1;
      break;
    case (int) OPT_BIG_TABLES:
      thd_startup_options|=OPTION_BIG_TABLES;
      break;
    case (int) OPT_ISAM_LOG:
3280
      opt_myisam_log=1;
unknown's avatar
unknown committed
3281
      if (optarg)
3282
	myisam_log_filename=optarg;
unknown's avatar
unknown committed
3283 3284 3285 3286 3287 3288 3289 3290 3291 3292
      break;
    case (int) OPT_UPDATE_LOG:
      opt_update_log=1;
      opt_update_logname=optarg;		// Use hostname.# if null
      break;
    case (int) OPT_BIN_LOG_INDEX:
      opt_binlog_index_name = optarg;
      break;
    case (int) OPT_BIN_LOG:
      opt_bin_log=1;
3293 3294 3295
      x_free(opt_bin_logname);
      if (optarg && optarg[0])
	opt_bin_logname=my_strdup(optarg,MYF(0));
unknown's avatar
unknown committed
3296
      break;
unknown's avatar
unknown committed
3297 3298 3299 3300
      // needs to be handled (as no-op) in non-debugging mode for test suite
    case (int)OPT_DISCONNECT_SLAVE_EVENT_COUNT:
#ifndef DBUG_OFF      
      disconnect_slave_event_count = atoi(optarg);
3301 3302 3303 3304 3305
#endif      
      break;
    case (int)OPT_ABORT_SLAVE_EVENT_COUNT:
#ifndef DBUG_OFF      
      abort_slave_event_count = atoi(optarg);
unknown's avatar
unknown committed
3306 3307
#endif      
      break;
unknown's avatar
unknown committed
3308 3309 3310
    case (int) OPT_LOG_SLAVE_UPDATES:
      opt_log_slave_updates = 1;
      break;
3311

unknown's avatar
unknown committed
3312 3313
    case (int)OPT_REPLICATE_IGNORE_DB:
      {
3314
	i_string *db = new i_string(optarg);
unknown's avatar
unknown committed
3315 3316 3317 3318 3319
	replicate_ignore_db.push_back(db);
        break;
      }
    case (int)OPT_REPLICATE_DO_DB:
      {
3320
	i_string *db = new i_string(optarg);
unknown's avatar
unknown committed
3321 3322 3323
	replicate_do_db.push_back(db);
        break;
      }
unknown's avatar
unknown committed
3324 3325 3326 3327
    case (int)OPT_REPLICATE_REWRITE_DB:
      {
	char* key = optarg,*p, *val;
	p = strstr(optarg, "->");
3328
	if (!p)
unknown's avatar
unknown committed
3329 3330
	  {
	    fprintf(stderr,
unknown's avatar
unknown committed
3331
		    "Bad syntax in replicate-rewrite-db - missing '->'!\n");
unknown's avatar
unknown committed
3332 3333 3334 3335 3336 3337 3338
	    exit(1);
	  }
	val = p--;
	while(isspace(*p) && p > optarg) *p-- = 0;
	if(p == optarg)
	  {
	    fprintf(stderr,
unknown's avatar
unknown committed
3339
		    "Bad syntax in replicate-rewrite-db - empty FROM db!\n");
unknown's avatar
unknown committed
3340 3341 3342 3343 3344
	    exit(1);
	  }
	*val = 0;
	val += 2;
	while(*val && isspace(*val)) *val++;
3345
	if (!*val)
unknown's avatar
unknown committed
3346 3347
	  {
	    fprintf(stderr,
unknown's avatar
unknown committed
3348
		    "Bad syntax in replicate-rewrite-db - empty TO db!\n");
unknown's avatar
unknown committed
3349 3350 3351 3352 3353 3354 3355
	    exit(1);
	  }

	i_string_pair* db_pair = new i_string_pair(key, val);
	replicate_rewrite_db.push_back(db_pair);
	break;
      }
3356

unknown's avatar
unknown committed
3357 3358
    case (int)OPT_BINLOG_IGNORE_DB:
      {
3359
	i_string *db = new i_string(optarg);
unknown's avatar
unknown committed
3360 3361 3362 3363 3364
	binlog_ignore_db.push_back(db);
        break;
      }
    case (int)OPT_BINLOG_DO_DB:
      {
3365
	i_string *db = new i_string(optarg);
unknown's avatar
unknown committed
3366 3367 3368
	binlog_do_db.push_back(db);
        break;
      }
3369 3370
    case (int)OPT_REPLICATE_DO_TABLE:
      {
3371
	if (!do_table_inited)
3372 3373 3374
	  init_table_rule_hash(&replicate_do_table, &do_table_inited);
	if(add_table_rule(&replicate_do_table, optarg))
	  {
unknown's avatar
unknown committed
3375
	    fprintf(stderr, "Could not add do table rule '%s'!\n", optarg);
3376 3377 3378 3379 3380
	    exit(1);
	  }
	table_rules_on = 1;
	break;
      }
unknown's avatar
unknown committed
3381 3382
    case (int)OPT_REPLICATE_WILD_DO_TABLE:
      {
3383
	if (!wild_do_table_inited)
unknown's avatar
unknown committed
3384 3385 3386 3387
	  init_table_rule_array(&replicate_wild_do_table,
				&wild_do_table_inited);
	if(add_wild_table_rule(&replicate_wild_do_table, optarg))
	  {
unknown's avatar
unknown committed
3388
	    fprintf(stderr, "Could not add do table rule '%s'!\n", optarg);
unknown's avatar
unknown committed
3389 3390 3391 3392 3393 3394 3395
	    exit(1);
	  }
	table_rules_on = 1;
	break;
      }
    case (int)OPT_REPLICATE_WILD_IGNORE_TABLE:
      {
3396
	if (!wild_ignore_table_inited)
unknown's avatar
unknown committed
3397 3398 3399 3400
	  init_table_rule_array(&replicate_wild_ignore_table,
				&wild_ignore_table_inited);
	if(add_wild_table_rule(&replicate_wild_ignore_table, optarg))
	  {
unknown's avatar
unknown committed
3401
	    fprintf(stderr, "Could not add ignore table rule '%s'!\n", optarg);
unknown's avatar
unknown committed
3402 3403 3404 3405 3406
	    exit(1);
	  }
	table_rules_on = 1;
	break;
      }
3407 3408
    case (int)OPT_REPLICATE_IGNORE_TABLE:
      {
3409
	if (!ignore_table_inited)
3410 3411 3412
	  init_table_rule_hash(&replicate_ignore_table, &ignore_table_inited);
	if(add_table_rule(&replicate_ignore_table, optarg))
	  {
unknown's avatar
unknown committed
3413
	    fprintf(stderr, "Could not add ignore table rule '%s'!\n", optarg);
3414 3415 3416 3417 3418
	    exit(1);
	  }
	table_rules_on = 1;
	break;
      }
unknown's avatar
unknown committed
3419 3420 3421 3422 3423 3424 3425
    case (int) OPT_SQL_BIN_UPDATE_SAME:
      opt_sql_bin_update  = 1;
      break;
    case (int) OPT_SLOW_QUERY_LOG:
      opt_slow_log=1;
      opt_slow_logname=optarg;
      break;
3426 3427 3428
    case (int)OPT_SKIP_SLAVE_START:
      opt_skip_slave_start = 1;
      break;
unknown's avatar
unknown committed
3429 3430 3431 3432 3433
    case (int) OPT_SKIP_NEW:
      opt_specialflag|= SPECIAL_NO_NEW_FUNC;
      default_table_type=DB_TYPE_ISAM;
      myisam_delay_key_write=0;
      myisam_concurrent_insert=0;
3434
      myisam_recover_options= HA_RECOVER_NONE;
3435
      ha_open_options&= ~HA_OPEN_ABORT_IF_CRASHED;
unknown's avatar
unknown committed
3436 3437 3438 3439
      break;
    case (int) OPT_SAFE:
      opt_specialflag|= SPECIAL_SAFE_MODE;
      myisam_delay_key_write=0;
3440
      myisam_recover_options= HA_RECOVER_NONE;	// To be changed
3441
      ha_open_options&= ~HA_OPEN_ABORT_IF_CRASHED;
unknown's avatar
unknown committed
3442
      break;
3443 3444 3445
    case (int) OPT_SKIP_CONCURRENT_INSERT:
      myisam_concurrent_insert=0;
      break;
unknown's avatar
unknown committed
3446 3447 3448 3449 3450 3451 3452
    case (int) OPT_SKIP_PRIOR:
      opt_specialflag|= SPECIAL_NO_PRIOR;
      break;
    case (int) OPT_SKIP_GRANT:
      opt_noacl=1;
      break;
    case (int) OPT_SKIP_LOCK:
3453
      my_disable_locking=myisam_single_user= 1;
unknown's avatar
unknown committed
3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478
      break;
    case (int) OPT_SKIP_HOST_CACHE:
      opt_specialflag|= SPECIAL_NO_HOST_CACHE;
      break;
    case (int) OPT_ENABLE_LOCK:
      my_disable_locking=0;
      break;
    case (int) OPT_USE_LOCKING:
      my_disable_locking=0;
      break;
    case (int) OPT_SKIP_RESOLVE:
      opt_specialflag|=SPECIAL_NO_RESOLVE;
      break;
    case (int) OPT_LONG_FORMAT:
      opt_specialflag|=SPECIAL_LONG_LOG_FORMAT;
      break;
    case (int) OPT_SKIP_NETWORKING:
      opt_disable_networking=1;
      mysql_port=0;
      break;
    case (int) OPT_SKIP_SHOW_DB:
      opt_skip_show_db=1;
      opt_specialflag|=SPECIAL_SKIP_SHOW_DB;
      mysql_port=0;
      break;
3479 3480 3481
    case (int) OPT_MEMLOCK:
      locked_in_memory=1;
      break;
unknown's avatar
unknown committed
3482 3483 3484
    case (int) OPT_ONE_THREAD:
      test_flags |= TEST_NO_THREADS;
      break;
3485 3486 3487
    case (int) OPT_WANT_CORE:
      test_flags |= TEST_CORE_ON_SIGNAL;
      break;
unknown's avatar
unknown committed
3488 3489 3490
    case (int) OPT_SKIP_STACK_TRACE:
      test_flags|=TEST_NO_STACKTRACE;
      break;
unknown's avatar
unknown committed
3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553
    case (int) OPT_BIND_ADDRESS:
      if (optarg && isdigit(optarg[0]))
      {
	my_bind_addr = (ulong) inet_addr(optarg);
      }
      else
      {
	struct hostent *ent;
	if (!optarg || !optarg[0])
	  ent=gethostbyname(optarg);
	else
	{
	  char myhostname[255];
	  if (gethostname(myhostname,sizeof(myhostname)) < 0)
	  {
	    sql_perror("Can't start server: cannot get my own hostname!");
	    exit(1);
	  }
	  ent=gethostbyname(myhostname);
	}
	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:
      strmov(pidfile_name,optarg);
      break;
    case (int) OPT_INIT_FILE:
      opt_init_file=optarg;
      break;
#ifdef __WIN__
    case (int) OPT_STANDALONE:		/* Dummy option for NT */
      break;
    case (int) OPT_CONSOLE:
      opt_console=1;
      break;
#endif
    case (int) OPT_FLUSH:
      nisam_flush=myisam_flush=1;
      flush_time=0;			// No auto flush
      break;
    case OPT_LOW_PRIORITY_UPDATES:
      thd_startup_options|=OPTION_LOW_PRIORITY_UPDATES;
      low_priority_updates=1;
      break;
    case OPT_BOOTSTRAP:
      opt_noacl=opt_bootstrap=1;
      break;
    case OPT_TABLE_TYPE:
    {
      int type;
      if ((type=find_type(optarg, &ha_table_typelib, 2)) <= 0)
      {
	fprintf(stderr,"Unknown table type: %s\n",optarg);
	exit(1);
      }
      default_table_type= (enum db_type) type;
      break;
    }
3554 3555
    case OPT_SERVER_ID:
      server_id = atoi(optarg);
unknown's avatar
unknown committed
3556
      server_id_supplied = 1;
3557
      break;
unknown's avatar
unknown committed
3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572
    case OPT_DELAY_KEY_WRITE:
      ha_open_options|=HA_OPEN_DELAY_KEY_WRITE;
      myisam_delay_key_write=1;
      break;
    case OPT_SKIP_DELAY_KEY_WRITE:
      myisam_delay_key_write=0;
      break;
    case 'C':
      strmov(default_charset,optarg);
      break;
    case OPT_CHARSETS_DIR:
      strmov(mysql_charsets_dir, optarg);
      charsets_dir = mysql_charsets_dir;
      break;
#include "sslopt-case.h"
unknown's avatar
unknown committed
3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583
    case OPT_TX_ISOLATION:
    {
      int type;
      if ((type=find_type(optarg, &tx_isolation_typelib, 2)) <= 0)
      {
	fprintf(stderr,"Unknown transaction isolation type: %s\n",optarg);
	exit(1);
      }
      default_tx_isolation= (enum_tx_isolation) (type-1);
      break;
    }
unknown's avatar
unknown committed
3584 3585 3586 3587 3588 3589 3590 3591
#ifdef HAVE_BERKELEY_DB
    case OPT_BDB_LOG:
      berkeley_logdir=optarg;
      break;
    case OPT_BDB_HOME:
      berkeley_home=optarg;
      break;
    case OPT_BDB_NOSYNC:
unknown's avatar
unknown committed
3592
      berkeley_env_flags|=DB_TXN_NOSYNC;
unknown's avatar
unknown committed
3593
      break;
unknown's avatar
unknown committed
3594 3595
    case OPT_BDB_NO_RECOVER:
      berkeley_init_flags&= ~(DB_RECOVER);
unknown's avatar
unknown committed
3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606
      break;
    case OPT_BDB_TMP:
      berkeley_tmpdir=optarg;
      break;
    case OPT_BDB_LOCK:
    {
      int type;
      if ((type=find_type(optarg, &berkeley_lock_typelib, 2)) > 0)
	berkeley_lock_type=berkeley_lock_types[type-1];
      else
      {
unknown's avatar
unknown committed
3607
	if (test_if_int(optarg,(uint) strlen(optarg)))
unknown's avatar
unknown committed
3608 3609
	  berkeley_lock_scan_time=atoi(optarg);
	else
3610
	{
unknown's avatar
unknown committed
3611 3612 3613 3614 3615 3616
	  fprintf(stderr,"Unknown lock type: %s\n",optarg);
	  exit(1);
	}
      }
      break;
    }
3617 3618 3619 3620
    case OPT_BDB_SHARED:
      berkeley_init_flags&= ~(DB_PRIVATE);
      berkeley_shared_data=1;
      break;
3621
#endif /* HAVE_BERKELEY_DB */
unknown's avatar
unknown committed
3622
    case OPT_BDB_SKIP:
3623
#ifdef HAVE_BERKELEY_DB
unknown's avatar
unknown committed
3624
      berkeley_skip=1;
3625
      have_berkeley_db=SHOW_OPTION_DISABLED;
3626
#endif
3627
      break;
unknown's avatar
unknown committed
3628
    case OPT_GEMINI_SKIP:
3629
#ifdef HAVE_GEMINI_DB
unknown's avatar
unknown committed
3630
      gemini_skip=1;
unknown's avatar
unknown committed
3631
      have_gemini=SHOW_OPTION_DISABLED;  
3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646
      break;
    case OPT_GEMINI_RECOVER:
      gemini_recovery_options_str=optarg;
      if ((gemini_recovery_options=
	   find_bit_type(optarg, &gemini_recovery_typelib)) == ~(ulong) 0)
      {
        fprintf(stderr, "Unknown option to gemini-recovery: %s\n",optarg);
        exit(1);
      }
      break;
    case OPT_GEMINI_FLUSH_LOG:
      gemini_options |= GEMOPT_FLUSH_LOG;
      break;
    case OPT_GEMINI_UNBUFFERED_IO:
      gemini_options |= GEMOPT_UNBUFFERED_IO;
unknown's avatar
unknown committed
3647
#endif
3648
      break;
unknown's avatar
unknown committed
3649
    case OPT_INNODB_SKIP:
3650
#ifdef HAVE_INNOBASE_DB
unknown's avatar
unknown committed
3651 3652
      innodb_skip=1;
      have_innodb=SHOW_OPTION_DISABLED;
unknown's avatar
unknown committed
3653 3654
#endif
      break;
unknown's avatar
unknown committed
3655
    case OPT_INNODB_DATA_FILE_PATH:
unknown's avatar
unknown committed
3656 3657
#ifdef HAVE_INNOBASE_DB
      innobase_data_file_path=optarg;
3658
#endif
3659
      break;
3660
#ifdef HAVE_INNOBASE_DB
unknown's avatar
unknown committed
3661
    case OPT_INNODB_DATA_HOME_DIR:
unknown's avatar
unknown committed
3662 3663
      innobase_data_home_dir=optarg;
      break;
unknown's avatar
unknown committed
3664
    case OPT_INNODB_LOG_GROUP_HOME_DIR:
unknown's avatar
unknown committed
3665 3666
      innobase_log_group_home_dir=optarg;
      break;
unknown's avatar
unknown committed
3667
    case OPT_INNODB_LOG_ARCH_DIR:
unknown's avatar
unknown committed
3668 3669
      innobase_log_arch_dir=optarg;
      break;
unknown's avatar
unknown committed
3670
    case OPT_INNODB_LOG_ARCHIVE:
unknown's avatar
unknown committed
3671 3672
      innobase_log_archive= optarg ? test(atoi(optarg)) : 1;
      break;
unknown's avatar
unknown committed
3673
    case OPT_INNODB_FLUSH_LOG_AT_TRX_COMMIT:
unknown's avatar
unknown committed
3674 3675
      innobase_flush_log_at_trx_commit= optarg ? test(atoi(optarg)) : 1;
      break;
3676 3677 3678
    case OPT_INNODB_UNIX_FILE_FLUSH_METHOD:
      innobase_unix_file_flush_method=optarg;
      break;
3679
#endif /* HAVE_INNOBASE_DB */
3680 3681 3682
    case OPT_DO_PSTACK:
      opt_do_pstack = 1;
      break;
3683 3684
    case OPT_MYISAM_RECOVER:
    {
3685
      if (!optarg || !optarg[0])
3686
      {
3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698
	myisam_recover_options=    HA_RECOVER_DEFAULT;
	myisam_recover_options_str= myisam_recover_typelib.type_names[0];
      }
      else
      {
	myisam_recover_options_str=optarg;
	if ((myisam_recover_options=
		find_bit_type(optarg, &myisam_recover_typelib)) == ~(ulong) 0)
	{
	  fprintf(stderr, "Unknown option to myisam-recover: %s\n",optarg);
	  exit(1);
	}
3699
      }
3700
      ha_open_options|=HA_OPEN_ABORT_IF_CRASHED;
3701 3702
      break;
    }
unknown's avatar
unknown committed
3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720
    case OPT_MASTER_HOST:
      master_host=optarg;
      break;
    case OPT_MASTER_USER:
      master_user=optarg;
      break;
    case OPT_MASTER_PASSWORD:
      master_password=optarg;
      break;
    case OPT_MASTER_INFO_FILE:
      master_info_file=optarg;
      break;
    case OPT_MASTER_PORT:
      master_port= atoi(optarg);
      break;
    case OPT_MASTER_CONNECT_RETRY:
      master_connect_retry= atoi(optarg);
      break;
3721
    case OPT_SAFE_SHOW_DB:
3722 3723
      opt_safe_show_db=1;
      break;
3724 3725 3726 3727 3728
    case OPT_SKIP_SAFEMALLOC:
#ifdef SAFEMALLOC
      sf_malloc_quick=1;
#endif
      break;
unknown's avatar
unknown committed
3729 3730
    default:
      fprintf(stderr,"%s: Unrecognized option: %c\n",my_progname,c);
unknown's avatar
unknown committed
3731
      use_help();
unknown's avatar
unknown committed
3732 3733 3734 3735 3736 3737 3738 3739 3740
      exit(1);
    }
  }
  // Skipp empty arguments (from shell)
  while (argc != optind && !argv[optind][0])
    optind++;
  if (argc != optind)
  {
    fprintf(stderr,"%s: Too many parameters\n",my_progname);
unknown's avatar
unknown committed
3741
    use_help();
unknown's avatar
unknown committed
3742 3743 3744 3745
    exit(1);
  }
  fix_paths();
  default_table_type_name=ha_table_typelib.type_names[default_table_type-1];
3746
  default_tx_isolation_name=tx_isolation_typelib.type_names[default_tx_isolation];
unknown's avatar
unknown committed
3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923
}


#ifdef __WIN__

#ifndef KEY_SERVICE_PARAMETERS
#define KEY_SERVICE_PARAMETERS	"SYSTEM\\CurrentControlSet\\Services\\MySql\\Parameters"
#endif

#define COPY_KEY_VALUE(value) if (copy_key_value(hParametersKey,&(value),lpszValue)) return 1
#define CHECK_KEY_TYPE(type,name) if ( type != dwKeyValueType ) { key_type_error(hParametersKey,name); return 1; }
#define SET_CHANGEABLE_VARVAL(varname) if (set_varval(hParametersKey,varname,szKeyValueName,dwKeyValueType,lpdwValue)) return 1;

static void key_type_error(HKEY hParametersKey,const char *szKeyValueName)
{
 TCHAR szErrorMsg[512];
 RegCloseKey( hParametersKey );
 strxmov(szErrorMsg,TEXT("Value \""),
	 szKeyValueName,
	 TEXT("\" of registry key \"" KEY_SERVICE_PARAMETERS "\" has wrong type\n"),NullS);
 fprintf(stderr, szErrorMsg); /* not unicode compatible */
}

static bool copy_key_value(HKEY hParametersKey, char **var, const char *value)
{
  if (!(*var=my_strdup(value,MYF(MY_WME))))
  {
    RegCloseKey(hParametersKey);
    fprintf(stderr, "Couldn't allocate memory for registry key value\n");
    return 1;
  }
  return 0;
}

static bool set_varval(HKEY hParametersKey,const char *var,
		       const char *szKeyValueName, DWORD dwKeyValueType,
		       LPDWORD lpdwValue)
{
  CHECK_KEY_TYPE(dwKeyValueType, szKeyValueName );
  if (set_changeable_varval(var, *lpdwValue, changeable_vars))
  {
    TCHAR szErrorMsg [ 512 ];
    RegCloseKey( hParametersKey );
    strxmov(szErrorMsg,
	    TEXT("Value \""),
	    szKeyValueName,
	    TEXT("\" of registry key \"" KEY_SERVICE_PARAMETERS  "\" is invalid\n"),NullS);
    fprintf( stderr, szErrorMsg ); /* not unicode compatible */
    return 1;
  }
  return 0;
}


static int get_service_parameters()
{
  DWORD dwLastError;
  HKEY hParametersKey;
  DWORD dwIndex;
  TCHAR szKeyValueName [ 256 ];
  DWORD dwKeyValueName;
  DWORD dwKeyValueType;
  BYTE bKeyValueBuffer [ 512 ];
  DWORD dwKeyValueBuffer;
  LPDWORD lpdwValue = (LPDWORD) &bKeyValueBuffer[0];
  LPCTSTR lpszValue = (LPCTSTR) &bKeyValueBuffer[0];

  /* open parameters of service */
  dwLastError = (DWORD) RegOpenKeyEx( HKEY_LOCAL_MACHINE,
				      TEXT(KEY_SERVICE_PARAMETERS), 0,
				      KEY_READ, &hParametersKey );
  if ( dwLastError == ERROR_FILE_NOT_FOUND ) /* no parameters available */
    return 0;
  if ( dwLastError != ERROR_SUCCESS )
  {
    fprintf(stderr,"Can't open registry key \"" KEY_SERVICE_PARAMETERS "\" for reading\n" );
    return 1;
  }

  /* enumerate all values of key */
  dwIndex = 0;
  dwKeyValueName = sizeof( szKeyValueName ) / sizeof( TCHAR );
  dwKeyValueBuffer = sizeof( bKeyValueBuffer );
  while ( (dwLastError = (DWORD) RegEnumValue(hParametersKey, dwIndex,
					      szKeyValueName, &dwKeyValueName,
					      NULL, &dwKeyValueType,
					      &bKeyValueBuffer[0],
					      &dwKeyValueBuffer))
	  != ERROR_NO_MORE_ITEMS )
  {
    /* check if error occured */
    if ( dwLastError != ERROR_SUCCESS )
    {
      RegCloseKey( hParametersKey );
      fprintf( stderr, "Can't enumerate values of registry key \"" KEY_SERVICE_PARAMETERS "\"\n" );
      return 1;
    }
    if ( lstrcmp(szKeyValueName, TEXT("BaseDir")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName);
      strmov( mysql_home, lpszValue ); /* not unicode compatible */
    }
    else if ( lstrcmp(szKeyValueName, TEXT("BindAddress")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName);

      my_bind_addr = (ulong) inet_addr( lpszValue );
      if ( my_bind_addr == (ulong) INADDR_NONE )
      {
	struct hostent* ent;

	if ( !(*lpszValue) )
	{
	  char szHostName [ 256 ];
	  if ( gethostname(szHostName, sizeof(szHostName)) == SOCKET_ERROR )
	  {
	    RegCloseKey( hParametersKey );
	    fprintf( stderr, "Can't get my own hostname\n" );
	    return 1;
	  }
	  ent = gethostbyname( szHostName );
	}
	else ent = gethostbyname( lpszValue );
	if ( !ent )
	{
	  RegCloseKey( hParametersKey );
	  fprintf( stderr, "Can't resolve hostname!\n" );
	  return 1;
	}
	my_bind_addr = (ulong) ((in_addr*)ent->h_addr_list[0])->s_addr;
      }
    }
    else if ( lstrcmp(szKeyValueName, TEXT("BigTables")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName);
      if ( *lpdwValue )
	thd_startup_options |= OPTION_BIG_TABLES;
      else
	thd_startup_options &= ~((ulong)OPTION_BIG_TABLES);
    }
    else if ( lstrcmp(szKeyValueName, TEXT("DataDir")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
      strmov( mysql_real_data_home, lpszValue ); /* not unicode compatible */
    }
    else if ( lstrcmp(szKeyValueName, TEXT("Locking")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      my_disable_locking = !(*lpdwValue);
    }
    else if ( lstrcmp(szKeyValueName, TEXT("LogFile")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
      opt_log = 1;
      COPY_KEY_VALUE( opt_logname );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("UpdateLogFile")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
      opt_update_log = 1;
      COPY_KEY_VALUE( opt_update_logname );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("BinaryLogFile")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
      opt_bin_log = 1;
      COPY_KEY_VALUE( opt_bin_logname );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("BinaryLogIndexFile")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
      opt_bin_log = 1;
      COPY_KEY_VALUE( opt_binlog_index_name );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("ISAMLogFile")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
3924 3925
      COPY_KEY_VALUE( myisam_log_filename );
      opt_myisam_log=1;
unknown's avatar
unknown committed
3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974
    }
    else if ( lstrcmp(szKeyValueName, TEXT("LongLogFormat")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( *lpdwValue )
	opt_specialflag |= SPECIAL_LONG_LOG_FORMAT;
      else
	opt_specialflag &= ~((ulong)SPECIAL_LONG_LOG_FORMAT);
    }
    else if ( lstrcmp(szKeyValueName, TEXT("LowPriorityUpdates")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( *lpdwValue )
      {
	thd_startup_options |= OPTION_LOW_PRIORITY_UPDATES;
	low_priority_updates = 1;
      }
      else
      {
	thd_startup_options &= ~((ulong)OPTION_LOW_PRIORITY_UPDATES);
	low_priority_updates = 0;
      }
    }
    else if ( lstrcmp(szKeyValueName, TEXT("Port")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      mysql_port = (unsigned int) *lpdwValue;
    }
    else if ( lstrcmp(szKeyValueName, TEXT("OldProtocol")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      protocol_version = *lpdwValue ? PROTOCOL_VERSION - 1 : PROTOCOL_VERSION;
    }
    else if ( lstrcmp(szKeyValueName, TEXT("HostnameResolving")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( !*lpdwValue )
	opt_specialflag |= SPECIAL_NO_RESOLVE;
      else
	opt_specialflag &= ~((ulong)SPECIAL_NO_RESOLVE);
    }
    else if ( lstrcmp(szKeyValueName, TEXT("Networking")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      opt_disable_networking = !(*lpdwValue);
    }
    else if ( lstrcmp(szKeyValueName, TEXT("ShowDatabase")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
3975
      opt_skip_show_db = !(*lpdwValue);
unknown's avatar
unknown committed
3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021
    }
    else if ( lstrcmp(szKeyValueName, TEXT("HostnameCaching")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( !*lpdwValue )
	opt_specialflag |= SPECIAL_NO_HOST_CACHE;
      else
	opt_specialflag &= ~((ulong)SPECIAL_NO_HOST_CACHE);
    }
    else if ( lstrcmp(szKeyValueName, TEXT("ThreadPriority")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( !(*lpdwValue) )
	opt_specialflag |= SPECIAL_NO_PRIOR;
      else
	opt_specialflag &= ~((ulong)SPECIAL_NO_PRIOR);
    }
    else if ( lstrcmp(szKeyValueName, TEXT("NamedPipe")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
      COPY_KEY_VALUE( mysql_unix_port );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("TempDir")) == 0 )
    {
      CHECK_KEY_TYPE( REG_SZ, szKeyValueName );
      COPY_KEY_VALUE( mysql_tmpdir );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("FlushTables")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      nisam_flush = myisam_flush= *lpdwValue ? 1 : 0;
    }
    else if ( lstrcmp(szKeyValueName, TEXT("BackLog")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "back_log" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("ConnectTimeout")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "connect_timeout" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("JoinBufferSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "join_buffer" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("KeyBufferSize")) == 0 )
    {
4022
      SET_CHANGEABLE_VARVAL( "key_buffer_size" );
unknown's avatar
unknown committed
4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035
    }
    else if ( lstrcmp(szKeyValueName, TEXT("LongQueryTime")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "long_query_time" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxAllowedPacket")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_allowed_packet" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxConnections")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_connections" );
    }
unknown's avatar
unknown committed
4036 4037 4038 4039
    else if ( lstrcmp(szKeyValueName, TEXT("MaxUserConnections")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_user_connections" );
    }
unknown's avatar
unknown committed
4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139
    else if ( lstrcmp(szKeyValueName, TEXT("MaxConnectErrors")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_connect_errors" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxInsertDelayedThreads")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_delayed_threads" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxJoinSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_join_size" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxSortLength")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_sort_length" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("NetBufferLength")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "net_buffer_length" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("RecordBufferSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "record_buffer" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("SortBufferSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "sort_buffer" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("TableCacheSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "table_cache" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("TmpTableSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "tmp_table_size" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("ThreadStackSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "thread_stack" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("WaitTimeout")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "wait_timeout" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("DelayedInsertTimeout"))
	      == 0 )
    {
      SET_CHANGEABLE_VARVAL( "delayed_insert_timeout" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("DelayedInsertLimit")) ==
	      0 )
    {
      SET_CHANGEABLE_VARVAL( "delayed_insert_limit" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("DelayedQueueSize")) == 0
	      )
    {
      SET_CHANGEABLE_VARVAL( "delayed_queue_size" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("FlushTime")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "flush_time" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("InteractiveTimeout")) ==
	      0 )
    {
      SET_CHANGEABLE_VARVAL( "interactive_timeout" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("LowerCaseTableNames"))
	      == 0 )
    {
      SET_CHANGEABLE_VARVAL( "lower_case_table_names" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxHeapTableSize")) == 0
	      )
    {
      SET_CHANGEABLE_VARVAL( "max_heap_table_size" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxTmpTables")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "max_tmp_tables" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("MaxWriteLockCount")) ==
	      0 )
    {
      SET_CHANGEABLE_VARVAL( "max_write_lock_count" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("NetRetryCount")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "net_retry_count" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("QueryBufferSize")) == 0
	      )
    {
      SET_CHANGEABLE_VARVAL( "query_buffer_size" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("ThreadConcurrency")) ==
	      0 )
    {
      SET_CHANGEABLE_VARVAL( "thread_concurrency" );
4140
    }
4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202
#ifdef HAVE_GEMINI_DB
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiLazyCommit")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( *lpdwValue )
	gemini_options |= GEMOPT_FLUSH_LOG;
      else
	gemini_options &= ~GEMOPT_FLUSH_LOG;
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiFullRecovery")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( *lpdwValue )
	gemini_options &= ~GEMOPT_NO_CRASH_PROTECTION;
      else
	gemini_options |= GEMOPT_NO_CRASH_PROTECTION;
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiNoRecovery")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( *lpdwValue )
	gemini_options |= GEMOPT_NO_CRASH_PROTECTION;
      else
	gemini_options &= ~GEMOPT_NO_CRASH_PROTECTION;
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiUnbufferedIO")) == 0 )
    {
      CHECK_KEY_TYPE( REG_DWORD, szKeyValueName );
      if ( *lpdwValue )
	gemini_options |= GEMOPT_UNBUFFERED_IO;
      else
	gemini_options &= ~GEMOPT_UNBUFFERED_IO;
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiLockTableSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "gemini_lock_table_size" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiBufferCache")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "gemini_buffer_cache" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiSpinRetries")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "gemini_spin_retries" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiIoThreads")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "gemini_io_threads" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiConnectionLimit")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "gemini_connection_limit" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiLogClusterSize")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "gemini_log_cluster_size" );
    }
    else if ( lstrcmp(szKeyValueName, TEXT("GeminiLockWaitTimeout")) == 0 )
    {
      SET_CHANGEABLE_VARVAL( "gemini_lock_wait_timeout" );
    }
#endif
unknown's avatar
unknown committed
4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228
    else
    {
      TCHAR szErrorMsg [ 512 ];
      RegCloseKey( hParametersKey );
      lstrcpy( szErrorMsg, TEXT("Value \"") );
      lstrcat( szErrorMsg, szKeyValueName );
      lstrcat( szErrorMsg, TEXT("\" of registry key \"" KEY_SERVICE_PARAMETERS "\" is not defined by MySQL\n") );
      fprintf( stderr, szErrorMsg ); /* not unicode compatible */
      return 1;
    }

    dwIndex++;
    dwKeyValueName = sizeof( szKeyValueName ) / sizeof( TCHAR );
    dwKeyValueBuffer = sizeof( bKeyValueBuffer );
  }
  RegCloseKey( hParametersKey );

  /* paths are fixed by method get_options() */
  return 0;
}
#endif


static char *get_relative_path(const char *path)
{
  if (test_if_hard_path(path) &&
4229
      is_prefix(path,DEFAULT_MYSQL_HOME) &&
unknown's avatar
unknown committed
4230 4231
      strcmp(DEFAULT_MYSQL_HOME,FN_ROOTDIR))
  {
unknown's avatar
unknown committed
4232
    path+=(uint) strlen(DEFAULT_MYSQL_HOME);
unknown's avatar
unknown committed
4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271
    while (*path == FN_LIBCHAR)
      path++;
  }
  return (char*) path;
}


static void fix_paths(void)
{
  (void) fn_format(mysql_home,mysql_home,"","",16); // Remove symlinks
  convert_dirname(mysql_home);
  convert_dirname(mysql_real_data_home);
  convert_dirname(language);
  (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);

  char buff[FN_REFLEN],*sharedir=get_relative_path(SHAREDIR);
  if (test_if_hard_path(sharedir))
    strmov(buff,sharedir);			/* purecov: tested */
  else
    strxmov(buff,mysql_home,sharedir,NullS);
  convert_dirname(buff);
  (void) my_load_path(language,language,buff);

  /* If --character-sets-dir isn't given, use shared library dir */
  if (charsets_dir != mysql_charsets_dir)
  {
    strmov(strmov(mysql_charsets_dir,buff),CHARSET_DIR);
    charsets_dir=mysql_charsets_dir;
  }

  /* Add '/' to TMPDIR if needed */
  char *tmp= (char*) my_malloc(FN_REFLEN,MYF(MY_FAE));
  if (tmp)
  {
    strmov(tmp,mysql_tmpdir);
    mysql_tmpdir=tmp;
    convert_dirname(mysql_tmpdir);
unknown's avatar
unknown committed
4272
    mysql_tmpdir=(char*) my_realloc(mysql_tmpdir,(uint) strlen(mysql_tmpdir)+1,
unknown's avatar
unknown committed
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 4305 4306 4307 4308 4309
				    MYF(MY_HOLD_ON_ERROR));
  }
}


#ifdef SET_RLIMIT_NOFILE
static uint set_maximum_open_files(uint max_file_limit)
{
  struct rlimit rlimit;
  ulong old_cur;

  if (!getrlimit(RLIMIT_NOFILE,&rlimit))
  {
    old_cur=rlimit.rlim_cur;
    if (rlimit.rlim_cur >= max_file_limit)	// Nothing to do
      return rlimit.rlim_cur;			/* purecov: inspected */
    rlimit.rlim_cur=rlimit.rlim_max=max_file_limit;
    if (setrlimit(RLIMIT_NOFILE,&rlimit))
    {
      sql_print_error("Warning: setrlimit couldn't increase number of open files to more than %ld",
	      old_cur);		/* purecov: inspected */
      max_file_limit=old_cur;
    }
    else
    {
      (void) getrlimit(RLIMIT_NOFILE,&rlimit);
      if ((uint) rlimit.rlim_cur != max_file_limit)
	sql_print_error("Warning: setrlimit returned ok, but didn't change limits. Max open files is %ld",
			  (ulong) rlimit.rlim_cur); /* purecov: inspected */
      max_file_limit=rlimit.rlim_cur;
    }
  }
  return max_file_limit;
}
#endif


4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367
	/*
	  Return a bitfield from a string of substrings separated by ','
	  returns ~(ulong) 0 on error.
	*/

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;
  pos=(my_string) x;
  do
  {
    if (!*(end=strcend(pos,',')))		/* Let end point at fieldend */
    {
      while (end > pos && end[-1] == ' ')
	end--;					/* Skipp end-space */
      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)
      {
	if (toupper(*i++) != toupper(*j++))
	  goto skipp;
      }
      found_int=bit;
      if (! *i)
      {
	found_count=1;
	break;
      }
      else if (j != pos)			// Half field found
      {
	found_count++;				// Could be one of two values
      }
skipp: ;
    }
    if (found_count != 1)
      DBUG_RETURN(~(ulong) 0);				// No unique value
    found|=found_int;
    pos=end+1;
  } while (! found_end);

  DBUG_PRINT("exit",("bit-field: %ld",(ulong) found));
  DBUG_RETURN(found);
} /* find_bit_type */


unknown's avatar
unknown committed
4368 4369 4370 4371 4372 4373 4374 4375 4376
/*****************************************************************************
** Instantiate templates
*****************************************************************************/

#ifdef __GNUC__
/* Used templates */
template class I_List<THD>;
template class I_List_iterator<THD>;
template class I_List<i_string>;
4377
template class I_List<i_string_pair>;
unknown's avatar
unknown committed
4378
#endif