/* Copyright (C) 2000-2003 MySQL AB 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. 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. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "mysql_priv.h" #include <m_ctype.h> #include <my_dir.h> #include "sql_acl.h" #include "slave.h" #include "sql_repl.h" #include "repl_failsafe.h" #include "stacktrace.h" #ifdef HAVE_BERKELEY_DB #include "ha_berkeley.h" #endif #ifdef HAVE_INNOBASE_DB #include "ha_innodb.h" #endif #include "ha_myisam.h" #include <nisam.h> #include <thr_alarm.h> #include <ft_global.h> #include <assert.h> #ifndef DBUG_OFF #define ONE_THREAD #endif #define SHUTDOWN_THD #define MAIN_THD #define SIGNAL_THD #ifdef PURIFY #define IF_PURIFY(A,B) (A) #else #define IF_PURIFY(A,B) (B) #endif /* 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__ */ #if defined(HAVE_DEC_3_2_THREADS) || defined(SIGNALS_DONT_BREAK_READ) #define HAVE_CLOSE_SERVER_SOCK 1 #endif extern "C" { // Because of SCO 3.2V4.2 #include <errno.h> #include <sys/stat.h> #ifndef __GNU_LIBRARY__ #define __GNU_LIBRARY__ // Skip warnings in getopt.h #endif #include <my_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 #if defined(OS2) # include <sys/un.h> #elif !defined( __WIN__) # ifndef __NETWARE__ #include <sys/resource.h> # endif /* __NETWARE__ */ #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> #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; #ifdef __STDC__ #define my_fromhost(A) fromhost(A) #define my_hosts_access(A) hosts_access(A) #define my_eval_client(A) eval_client(A) #else #define my_fromhost(A) fromhost() #define my_hosts_access(A) hosts_access() #define my_eval_client(A) eval_client() #endif #endif /* HAVE_LIBWRAP */ #ifdef HAVE_SYS_MMAN_H #include <sys/mman.h> #endif #ifdef __NETWARE__ #include <nks/vm.h> #include <library.h> #include <monitor.h> event_handle_t eh; Report_t ref; #endif /* __NETWARE__ */ #ifdef _AIX41 int initgroups(const char *,unsigned int); #endif #if defined(__FreeBSD__) && defined(HAVE_IEEEFP_H) #include <ieeefp.h> #ifdef HAVE_FP_EXCEPT // Fix type conflict typedef fp_except fp_except_t; #endif /* 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 */ #if defined(__i386__) fpsetmask(~(FP_X_INV | FP_X_DNML | FP_X_OFL | FP_X_UFL | FP_X_DZ | FP_X_IMP)); #else fpsetmask(~(FP_X_INV | FP_X_OFL | FP_X_UFL | FP_X_DZ | FP_X_IMP)); #endif } #else #define reset_floating_point_exceptions() #endif /* __FreeBSD__ && HAVE_IEEEFP_H */ } /* cplusplus */ #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 #if defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE) && !defined(HAVE_mit_thread) #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", "d:t:i:o,/tmp/mysqld.trace"); #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__ static bool start_mode=0, use_opt_args; static int opt_argc; static char **opt_argv; #endif /* 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 /* __WIN__ */ #ifdef HAVE_BERKELEY_DB SHOW_COMP_OPTION have_berkeley_db=SHOW_OPTION_YES; #else SHOW_COMP_OPTION have_berkeley_db=SHOW_OPTION_NO; #endif #ifdef HAVE_INNOBASE_DB SHOW_COMP_OPTION have_innodb=SHOW_OPTION_YES; #else SHOW_COMP_OPTION have_innodb=SHOW_OPTION_NO; #endif #ifdef HAVE_ISAM SHOW_COMP_OPTION have_isam=SHOW_OPTION_YES; #else SHOW_COMP_OPTION have_isam=SHOW_OPTION_NO; #endif #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_openssl=SHOW_OPTION_YES; #else SHOW_COMP_OPTION have_openssl=SHOW_OPTION_NO; #endif #ifdef HAVE_BROKEN_REALPATH SHOW_COMP_OPTION have_symlink=SHOW_OPTION_NO; #else SHOW_COMP_OPTION have_symlink=SHOW_OPTION_YES; #endif #ifdef HAVE_QUERY_CACHE SHOW_COMP_OPTION have_query_cache=SHOW_OPTION_YES; #else SHOW_COMP_OPTION have_query_cache=SHOW_OPTION_NO; #endif #ifdef HAVE_CRYPT SHOW_COMP_OPTION have_crypt=SHOW_OPTION_YES; #else SHOW_COMP_OPTION have_crypt=SHOW_OPTION_NO; #endif bool opt_large_files= sizeof(my_off_t) > 4; #if SIZEOF_OFF_T > 4 && defined(BIG_TABLES) #define GET_HA_ROWS GET_ULL #else #define GET_HA_ROWS GET_ULONG #endif #ifdef HAVE_LIBWRAP char *libwrapName= NULL; #endif /* Variables to store startup options */ my_bool opt_skip_slave_start = 0; // If set, slave is not autostarted /* If set, some standard measures to enforce slave data integrity will not be performed */ my_bool opt_reckless_slave = 0; ulong back_log, connect_timeout, concurrency; char mysql_home[FN_REFLEN], pidfile_name[FN_REFLEN], time_zone[30]; char log_error_file[FN_REFLEN]; bool opt_log, opt_update_log, opt_bin_log, opt_slow_log; bool opt_error_log= IF_WIN(1,0); bool opt_disable_networking=0, opt_skip_show_db=0; my_bool opt_enable_named_pipe= 0; my_bool opt_local_infile, opt_external_locking, opt_slave_compressed_protocol; uint delay_key_write_options= (uint) DELAY_KEY_WRITE_ON; static bool opt_do_pstack = 0; static ulong opt_specialflag=SPECIAL_ENGLISH; static ulong opt_myisam_block_size; static my_socket unix_sock= INVALID_SOCKET,ip_sock= INVALID_SOCKET; static my_string opt_logname=0,opt_update_logname=0, opt_binlog_index_name = 0,opt_slow_logname=0; static char* mysql_home_ptr= mysql_home; static char* pidfile_name_ptr= pidfile_name; char* log_error_file_ptr= log_error_file; static pthread_t select_thread; static my_bool opt_noacl=0, opt_bootstrap=0, opt_myisam_log=0; my_bool opt_safe_user_create = 0, opt_no_mix_types = 0; my_bool lower_case_table_names, opt_old_rpl_compat; my_bool opt_show_slave_auth_info, opt_sql_bin_update = 0; my_bool opt_log_slave_updates= 0, opt_console= 0; volatile bool mqh_used = 0; FILE *bootstrap_file=0; int segfaulted = 0; // ensure we do not enter SIGSEGV handler twice /* 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 */ static bool kill_in_progress=FALSE; struct rand_struct sql_rand; // used by sql_class.cc:THD::THD() static int cleanup_done; static char **defaults_argv; char glob_hostname[FN_REFLEN]; #include "sslopt-vars.h" #ifdef HAVE_OPENSSL char *des_key_file = 0; struct st_VioSSLAcceptorFd *ssl_acceptor_fd= 0; #endif /* HAVE_OPENSSL */ I_List <i_string_pair> replicate_rewrite_db; 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; /* if we guessed server_id , we need to know about it */ ulong server_id= 0; // Must be long becasue of set_var.cc bool server_id_supplied = 0; uint mysql_port; uint test_flags = 0, select_errors=0, dropping_tables=0,ha_open_options=0; uint volatile thread_count=0, thread_running=0, kill_cached_threads=0, wake_thread=0; ulong thd_startup_options=(OPTION_UPDATE_LOG | OPTION_AUTO_IS_NULL | OPTION_BIN_LOG | OPTION_QUOTE_SHOW_CREATE ); uint protocol_version=PROTOCOL_VERSION; struct system_variables global_system_variables; struct system_variables max_system_variables; ulonglong keybuff_size; ulong table_cache_size, thread_stack, thread_stack_min,what_to_log= ~ (1L << (uint) COM_TIME), query_buff_size, slow_launch_time = 2L, slave_open_temp_tables=0, open_files_limit=0, max_binlog_size; ulong com_stat[(uint) SQLCOM_END], com_other; ulong slave_net_timeout; ulong thread_cache_size=0, binlog_cache_size=0, max_binlog_cache_size=0; ulong query_cache_size=0; #ifdef HAVE_QUERY_CACHE ulong query_cache_limit=0; Query_cache query_cache; #endif volatile ulong cached_thread_count=0; // replication parameters, if master_host is not NULL, we are a slave my_string master_user = (char*) "test", master_password = 0, master_host=0, master_info_file = (char*) "master.info", relay_log_info_file = (char*) "relay-log.info", master_ssl_key=0, master_ssl_cert=0, master_ssl_capath=0, master_ssl_cipher=0; my_string report_user = 0, report_password = 0, report_host=0; const char *localhost=LOCAL_HOST; const char *delayed_user="DELAYED"; uint master_port = MYSQL_PORT, master_connect_retry = 60; uint report_port = MYSQL_PORT; bool master_ssl = 0; ulong master_retry_count=0; ulong bytes_sent = 0L, bytes_received = 0L; bool opt_endinfo,using_udf_functions, locked_in_memory; bool opt_using_transactions, using_update_log; bool volatile abort_loop, select_thread_in_use, signal_thread_in_use; bool volatile ready_to_exit, shutdown_in_progress, grant_option; ulong refresh_version=1L,flush_version=1L; /* Increments on each reload */ ulong query_id=1L,long_query_count,aborted_threads, aborted_connects,delayed_insert_timeout,delayed_insert_limit, delayed_queue_size,delayed_insert_threads,delayed_insert_writes, delayed_rows_in_use,delayed_insert_errors,flush_time, thread_created; ulong filesort_rows, filesort_range_count, filesort_scan_count; ulong filesort_merge_passes; ulong select_range_check_count, select_range_count, select_scan_count; ulong select_full_range_join_count,select_full_join_count; ulong specialflag=0,opened_tables=0,created_tmp_tables=0, created_tmp_disk_tables=0; ulong max_connections,max_insert_delayed_threads,max_used_connections, max_connect_errors, max_user_connections = 0; ulong thread_id=1L,current_pid; ulong slow_launch_threads = 0; char mysql_real_data_home[FN_REFLEN], language[LIBLEN],reg_ext[FN_EXTLEN], mysql_charsets_dir[FN_REFLEN], *charsets_list, blob_newline,f_fyllchar,max_sort_char,*mysqld_user,*mysqld_chroot, *opt_init_file; char *language_ptr= language; char mysql_data_home_buff[2], *mysql_data_home=mysql_real_data_home; #ifndef EMBEDDED_LIBRARY bool mysql_embedded=0; #else bool mysql_embedded=1; #endif static char *opt_bin_logname = 0; char *opt_relay_logname = 0, *opt_relaylog_index_name=0; char server_version[SERVER_VERSION_LENGTH]=MYSQL_SERVER_VERSION; const char *first_keyword="first"; const char **errmesg; /* Error messages */ const char *myisam_recover_options_str="OFF"; const char *sql_mode_str="OFF"; ulong rpl_recovery_rank=0; my_string mysql_unix_port=NULL, opt_mysql_tmpdir=NULL, mysql_tmpdir=NULL; ulong my_bind_addr; /* the address we bind to */ char *my_bind_addr_str; DATE_FORMAT dayord; double log_10[32]; /* 10 potences */ I_List<THD> threads,thread_cache; time_t start_time; ulong opt_sql_mode = 0L; const char *sql_mode_names[] = { "REAL_AS_FLOAT", "PIPES_AS_CONCAT", "ANSI_QUOTES", "IGNORE_SPACE", "SERIALIZE","ONLY_FULL_GROUP_BY", "NO_UNSIGNED_SUBTRACTION",NullS }; TYPELIB sql_mode_typelib= {array_elements(sql_mode_names)-1,"", sql_mode_names}; MY_BITMAP temp_pool; my_bool use_temp_pool=0; 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, LOCK_crypt, LOCK_bytes_sent, LOCK_bytes_received, LOCK_global_system_variables, LOCK_user_conn, LOCK_slave_list, LOCK_active_mi; pthread_cond_t COND_refresh,COND_thread_count, COND_slave_stopped, COND_slave_start; pthread_cond_t COND_thread_cache,COND_flush_thread_cache; pthread_t signal_thread; pthread_attr_t connection_attrib; #ifdef __WIN__ #undef getpid #include <process.h> #if !defined(EMBEDDED_LIBRARY) HANDLE hEventShutdown; static char shutdown_event_name[40]; #include "nt_servc.h" static NTService Service; // Service object for WinNT #endif #endif #ifdef OS2 pthread_cond_t eventShutdown; #endif static void start_signal_handler(void); extern "C" pthread_handler_decl(signal_hand, 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); extern "C" pthread_handler_decl(handle_connections_sockets,arg); extern "C" pthread_handler_decl(kill_server_thread,arg); static int bootstrap(FILE *file); static void close_server_sock(); static bool read_init_file(char *file_name); #ifdef __NT__ extern "C" pthread_handler_decl(handle_connections_namedpipes,arg); #endif extern "C" pthread_handler_decl(handle_slave,arg); #ifdef SET_RLIMIT_NOFILE static uint set_maximum_open_files(uint max_file_limit); #endif static ulong find_bit_type(const char *x, TYPELIB *bit_lib); static void clean_up(bool print_message); static void clean_up_mutexes(void); /**************************************************************************** ** 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 */ (void) pthread_mutex_lock(&LOCK_manager); if (manager_thread_in_use) { DBUG_PRINT("quit",("killing manager thread: %lx",manager_thread)); (void) pthread_cond_signal(&COND_manager); } (void) pthread_mutex_unlock(&LOCK_manager); /* kill connection thread */ #if !defined(__WIN__) && !defined(__EMX__) && !defined(OS2) && !defined(__NETWARE__) 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 set_timespec(abstime, 2); 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 close_server_sock(); } (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 && opt_enable_named_pipe) { HANDLE temp; DBUG_PRINT( "quit", ("Closing named pipes") ); /* Create connection to the handle named pipe handler to break the loop */ if ((temp = CreateFile(szPipeName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL )) != INVALID_HANDLE_VALUE) { WaitNamedPipe(szPipeName, 1000); DWORD dwMode = PIPE_READMODE_BYTE | PIPE_WAIT; SetNamedPipeHandleState(temp, &dwMode, NULL, NULL); CancelIo(temp); DisconnectNamedPipe(temp); CloseHandle(temp); } } #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 end_slave(); /* 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; pthread_mutex_lock(&tmp->mysys_var->mutex); if (tmp->mysys_var->current_cond) { pthread_mutex_lock(tmp->mysys_var->current_mutex); pthread_cond_broadcast(tmp->mysys_var->current_cond); pthread_mutex_unlock(tmp->mysys_var->current_mutex); } pthread_mutex_unlock(&tmp->mysys_var->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 */ (void) my_net_init(&net, (st_vio*) 0); 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); DBUG_PRINT("quit",("close_connections thread")); DBUG_VOID_RETURN; } static void close_server_sock() { #ifdef HAVE_CLOSE_SERVER_SOCK DBUG_ENTER("close_server_sock"); my_socket tmp_sock; tmp_sock=ip_sock; if (tmp_sock != INVALID_SOCKET) { ip_sock=INVALID_SOCKET; DBUG_PRINT("info",("calling shutdown on TCP/IP socket")); VOID(shutdown(tmp_sock,2)); #if defined(__NETWARE__) /* The following code is disabled for normal systems as it causes MySQL to hang on AIX 4.3 during shutdown */ DBUG_PRINT("info",("calling closesocket on TCP/IP socket")); VOID(closesocket(tmp_sock)); #endif } tmp_sock=unix_sock; if (tmp_sock != INVALID_SOCKET) { unix_sock=INVALID_SOCKET; DBUG_PRINT("info",("calling shutdown on unix socket")); VOID(shutdown(tmp_sock,2)); #if defined(__NETWARE__) /* The following code is disabled for normal systems as it causes MySQL AIX 4.3 during shutdown (not tested, but likely) */ DBUG_PRINT("info",("calling closesocket on unix/IP socket")); VOID(closesocket(tmp_sock)); #endif VOID(unlink(mysql_unix_port)); } DBUG_VOID_RETURN; #endif } void kill_mysql(void) { DBUG_ENTER("kill_mysql"); #ifdef SIGNALS_DONT_BREAK_READ abort_loop=1; // Break connection loops close_server_sock(); // Force accept to wake up #endif #if defined(__WIN__) #if !defined(EMBEDDED_LIBRARY) { if (!SetEvent(hEventShutdown)) { DBUG_PRINT("error",("Got error: %ld from SetEvent",GetLastError())); } /* or: HANDLE hEvent=OpenEvent(0, FALSE, "MySqlShutdown"); SetEvent(hEventShutdown); CloseHandle(hEvent); */ } #endif #elif defined(OS2) pthread_cond_signal( &eventShutdown); // post semaphore #elif defined(HAVE_PTHREAD_KILL) if (pthread_kill(signal_thread, MYSQL_KILL_SIGNAL)) { DBUG_PRINT("error",("Got error %d from pthread_kill",errno)); /* purecov: inspected */ } #elif !defined(SIGNALS_DONT_BREAK_READ) kill(current_pid, MYSQL_KILL_SIGNAL); #endif DBUG_PRINT("quit",("After pthread_kill")); shutdown_in_progress=1; // Safety if kill didn't work #ifdef SIGNALS_DONT_BREAK_READ if (!kill_in_progress) { pthread_t tmp; abort_loop=1; if (pthread_create(&tmp,&connection_attrib, kill_server_thread, (void*) 0)) sql_print_error("Error: Can't create thread to kill server"); } #endif DBUG_VOID_RETURN; } /* Force server down. kill all connections and threads and exit */ #if defined(OS2) || defined(__NETWARE__) extern "C" void kill_server(int sig_ptr) #define RETURN_FROM_KILL_SERVER DBUG_VOID_RETURN #elif !defined(__WIN__) static void *kill_server(void *sig_ptr) #define RETURN_FROM_KILL_SERVER DBUG_RETURN(0) #else static void __cdecl kill_server(int sig_ptr) #define RETURN_FROM_KILL_SERVER DBUG_VOID_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, ignore the other 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(__NETWARE__) || (defined(USE_ONE_SIGNAL_HAND) && !defined(__WIN__) && !defined(OS2)) 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(); #ifdef __NETWARE__ pthread_join(select_thread, NULL); // wait for main thread #else pthread_exit(0); /* purecov: deadcode */ #endif /* __NETWARE__ */ RETURN_FROM_KILL_SERVER; } #if defined(USE_ONE_SIGNAL_HAND) || (defined(__NETWARE__) && defined(SIGNALS_DONT_BREAK_READ)) extern "C" pthread_handler_decl(kill_server_thread,arg __attribute__((unused))) { SHUTDOWN_THD; my_thread_init(); // Initialize new thread kill_server(0); my_thread_end(); // Normally never reached return 0; } #endif #if defined(__amiga__) #undef sigset #define sigset signal #endif extern "C" sig_handler print_signal_warning(int sig) { if (!DBUG_IN_USE) { if (global_system_variables.log_warnings) 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 #if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__) if (sig == SIGALRM) alarm(2); /* reschedule alarm */ #endif } /* cleanup all memory and end program nicely SYNOPSIS unireg_end() NOTES This function never returns. If SIGNALS_DONT_BREAK_READ is defined, this function is called by the main thread. To get MySQL to shut down nicely in this case (Mac OS X) we have to call exit() instead if pthread_exit(). */ void unireg_end(void) { clean_up(1); my_thread_end(); #ifndef __NETWARE__ #ifdef SIGNALS_DONT_BREAK_READ exit(0); #else pthread_exit(0); // Exit is in main thread #endif #endif /* __NETWARE__ */ } extern "C" void unireg_abort(int exit_code) { DBUG_ENTER("unireg_abort"); if (exit_code) sql_print_error("Aborting\n"); clean_up(1); /* purecov: inspected */ DBUG_PRINT("quit",("done with cleanup in unireg_abort")); my_thread_end(); clean_up_mutexes(); my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0); exit(exit_code); /* purecov: inspected */ } void clean_up(bool print_message) { DBUG_PRINT("exit",("clean_up")); if (cleanup_done++) return; /* purecov: inspected */ mysql_log.cleanup(); mysql_slow_log.cleanup(); mysql_update_log.cleanup(); mysql_bin_log.cleanup(); if (use_slave_mask) bitmap_free(&slave_error_mask); acl_free(1); grant_free(); query_cache_destroy(); table_cache_free(); hostname_cache_free(); item_user_lock_free(); lex_free(); /* Free some memory */ set_var_free(); #ifdef HAVE_DLOPEN if (!opt_noacl) udf_free(); #endif (void) ha_panic(HA_PANIC_CLOSE); /* close all tables and logs */ end_key_cache(); #ifdef USE_RAID end_raid(); #endif if (defaults_argv) free_defaults(defaults_argv); my_free(charsets_list, MYF(MY_ALLOW_ZERO_PTR)); my_free(mysql_tmpdir,MYF(MY_ALLOW_ZERO_PTR)); my_free(slave_load_tmpdir,MYF(MY_ALLOW_ZERO_PTR)); x_free(opt_bin_logname); x_free(opt_relay_logname); bitmap_free(&temp_pool); free_max_user_conn(); end_slave_list(); #ifdef HAVE_OPENSSL free_des_key_file(); #endif /* HAVE_OPENSSL */ #ifdef USE_REGEX regex_end(); #endif if (print_message && errmesg) sql_print_error(ER(ER_SHUTDOWN_COMPLETE),my_progname); #if !defined(__WIN__) && !defined(EMBEDDED_LIBRARY) if (!opt_bootstrap) (void) my_delete(pidfile_name,MYF(0)); // This may not always exist #endif x_free((gptr) my_errmsg[ERRMAPP]); /* Free messages */ DBUG_PRINT("quit", ("Error messages freed")); /* Tell main we are ready */ (void) pthread_mutex_lock(&LOCK_thread_count); DBUG_PRINT("quit", ("got thread count lock")); ready_to_exit=1; /* do the broadcast inside the lock to ensure that my_end() is not called */ (void) pthread_cond_broadcast(&COND_thread_count); (void) pthread_mutex_unlock(&LOCK_thread_count); /* The following lines may never be executed as the main thread may have killed us */ DBUG_PRINT("quit", ("done with cleanup")); } /* clean_up */ static void clean_up_mutexes() { (void) pthread_mutex_destroy(&LOCK_mysql_create_db); (void) pthread_mutex_destroy(&LOCK_Acl); (void) pthread_mutex_destroy(&LOCK_grant); (void) pthread_mutex_destroy(&LOCK_open); (void) pthread_mutex_destroy(&LOCK_thread_count); (void) pthread_mutex_destroy(&LOCK_mapped_file); (void) pthread_mutex_destroy(&LOCK_status); (void) pthread_mutex_destroy(&LOCK_error_log); (void) pthread_mutex_destroy(&LOCK_delayed_insert); (void) pthread_mutex_destroy(&LOCK_delayed_status); (void) pthread_mutex_destroy(&LOCK_delayed_create); (void) pthread_mutex_destroy(&LOCK_manager); (void) pthread_mutex_destroy(&LOCK_crypt); (void) pthread_mutex_destroy(&LOCK_bytes_sent); (void) pthread_mutex_destroy(&LOCK_bytes_received); (void) pthread_mutex_destroy(&LOCK_timezone); (void) pthread_mutex_destroy(&LOCK_user_conn); (void) pthread_mutex_destroy(&LOCK_rpl_status); (void) pthread_mutex_destroy(&LOCK_active_mi); (void) pthread_mutex_destroy(&LOCK_global_system_variables); (void) pthread_cond_destroy(&COND_thread_count); (void) pthread_cond_destroy(&COND_refresh); (void) pthread_cond_destroy(&COND_thread_cache); (void) pthread_cond_destroy(&COND_flush_thread_cache); (void) pthread_cond_destroy(&COND_manager); (void) pthread_cond_destroy(&COND_rpl_status); } /**************************************************************************** ** Init IP and UNIX socket ****************************************************************************/ static void set_ports() { char *env; if (!mysql_port && !opt_disable_networking) { // 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) { #if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__) 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 uid_t uid; if (!(ent = getpwnam(user))) { // allow a numeric uid to be used const char *pos; for (pos=user; isdigit(*pos); pos++) ; if (*pos) // Not numeric id { fprintf(stderr,"Fatal error: Can't change to run as user '%s' ; Please check that the user exists!\n",user); unireg_abort(1); } uid=atoi(user); // Use numberic uid } else { #ifdef HAVE_INITGROUPS initgroups((char*) user,ent->pw_gid); #endif if (setgid(ent->pw_gid) == -1) { sql_perror("setgid"); unireg_abort(1); } uid=ent->pw_uid; } if (setuid(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__) && !defined(OS2) && !defined(__NETWARE__) if (chroot(path) == -1) { sql_perror("chroot"); unireg_abort(1); } my_setwd("/", MYF(0)); #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)); if (bind(ip_sock, my_reinterpret_cast(struct sockaddr *) (&IPaddr), sizeof(IPaddr)) < 0) { DBUG_PRINT("error",("Got error: %d from bind",socket_errno)); sql_perror("Can't start server: Bind on TCP/IP port"); sql_print_error("Do you already have another mysqld server running on port: %d ?",mysql_port); unireg_abort(1); } if (listen(ip_sock,(int) back_log) < 0) { sql_perror("Can't start server: listen() on TCP/IP port"); sql_print_error("Error: listen() on TCP/IP failed with error %d", socket_errno); unireg_abort(1); } } set_user(mysqld_user); // Works also with mysqld_user==NULL #ifdef __NT__ /* create named pipe */ if (Service.IsNT() && mysql_unix_port[0] && !opt_bootstrap && opt_enable_named_pipe) { 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) global_system_variables.net_buffer_length, (int) global_system_variables.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 #if defined(HAVE_SYS_UN_H) /* ** 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 if (listen(unix_sock,(int) back_log) < 0) sql_print_error("Warning: listen() on Unix socket failed with error %d", socket_errno); } #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) { st_vio* vio; 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 */ extern "C" sig_handler end_thread_signal(int sig __attribute__((unused))) { THD *thd=current_thd; DBUG_ENTER("end_thread_signal"); if (thd && ! thd->bootstrap) end_thread(thd,0); DBUG_VOID_RETURN; /* purecov: deadcode */ } void end_thread(THD *thd, bool put_in_cache) { DBUG_ENTER("end_thread"); thd->cleanup(); (void) pthread_mutex_lock(&LOCK_thread_count); thread_count--; delete thd; if (put_in_cache && cached_thread_count < thread_cache_size && ! abort_loop && !kill_cached_threads) { /* 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(); thd->real_id=pthread_self(); (void) thd->store_globals(); threads.append(thd); 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); /* It's safe to broadcast outside a lock (COND... is not deleted here) */ (void) pthread_cond_broadcast(&COND_thread_count); DBUG_PRINT("info", ("unlocked thread_count mutex")) #ifdef ONE_THREAD 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 extern "C" 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 schemas use a mutex to check that the signal thread is ready before continuing ******************************************************************************/ #if defined(__WIN__) || defined(OS2) 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) ; #if defined(__WIN__) signal(SIGBREAK,SIG_IGN); //ignore SIGBREAK for NT #else signal(SIGBREAK, kill_server); #endif } static void start_signal_handler(void) {} static void check_data_home(const char *path) {} #elif defined(__NETWARE__) // down server event callback void mysql_down_server_cb(void *, void *) { kill_server(0); } // destroy callback resources void mysql_cb_destroy(void *) { UnRegisterEventNotification(eh); // cleanup down event notification NX_UNWRAP_INTERFACE(ref); } // initialize callbacks void mysql_cb_init() { // register for down server event void *handle = getnlmhandle(); rtag_t rt = AllocateResourceTag(handle, "MySQL Down Server Callback", EventSignature); NX_WRAP_INTERFACE((void *)mysql_down_server_cb, 2, (void **)&ref); eh = RegisterForEventNotification(rt, EVENT_DOWN_SERVER, EVENT_PRIORITY_APPLICATION, NULL, ref, NULL); NXVmRegisterExitHandler(mysql_cb_destroy, NULL); // clean-up } static void init_signals(void) { int signals[] = {SIGINT,SIGILL,SIGFPE,SIGSEGV,SIGTERM,SIGABRT}; for (uint i=0 ; i < sizeof(signals)/sizeof(int) ; i++) signal(signals[i], kill_server); mysql_cb_init(); // initialize callbacks } static void start_signal_handler(void) { // Save vm id of this process if (!opt_bootstrap) { File pidFile; if ((pidFile = my_create(pidfile_name,0664, O_WRONLY, MYF(MY_WME))) >= 0) { char buff[21]; sprintf(buff,"%lu",(ulong) getpid()); (void) my_write(pidFile, buff,strlen(buff),MYF(MY_WME)); (void) my_close(pidFile,MYF(0)); } } // no signal handler } /* Warn if the data is on a Traditional volume */ static void check_data_home(const char *path) { } #elif defined(__EMX__) static void sig_reload(int signo) { // Flush everything reload_acl_and_cache((THD*) 0,REFRESH_LOG, (TABLE_LIST*) 0); signal(signo, SIG_ACK); } static void sig_kill(int signo) { if (!kill_in_progress) { 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(); SIGNAL_THD; } static void start_signal_handler(void) {} static void check_data_home(const char *path) {} #else /* if ! __WIN__ && ! __EMX__ */ #ifdef HAVE_LINUXTHREADS #define UNSAFE_DEFAULT_LINUX_THREADS 200 #endif extern "C" sig_handler handle_segfault(int sig) { THD *thd=current_thd; /* 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 */ if (segfaulted) { fprintf(stderr, "Fatal signal %d while backtracing\n", sig); exit(1); } segfaulted = 1; fprintf(stderr,"\ mysqld got signal %d;\n\ This could be because you hit a bug. It is also possible that this binary\n\ or one of the libraries it was linked against 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"); fprintf(stderr, "key_buffer_size=%lu\n", (ulong) keybuff_size); fprintf(stderr, "read_buffer_size=%ld\n", global_system_variables.read_buff_size); fprintf(stderr, "sort_buffer_size=%ld\n", thd->variables.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 + (read_buffer_size + sort_buffer_size)*max_connections = %ld K\n\ bytes of memory\n", ((ulong) keybuff_size + (global_system_variables.read_buff_size + thd->variables.sortbuff_size) * max_connections)/ 1024); fprintf(stderr, "Hope that's ok; if not, decrease some variables in the equation.\n\n"); #if defined(HAVE_LINUXTHREADS) 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 built the binary \n\ yourself, LinuxThreads is quite likely to steal a part of the 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 */ #ifdef HAVE_STACKTRACE if (!(test_flags & TEST_NO_STACKTRACE)) { fprintf(stderr,"thd=%p\n",thd); 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 values shown above may be invalid.\n\n", thd->thread_id); } fprintf(stderr, "\ The manual page at http://www.mysql.com/doc/C/r/Crashing.html contains\n\ information that should help you find out what is causing the crash.\n"); fflush(stderr); #endif /* HAVE_STACKTRACE */ if (test_flags & TEST_CORE_ON_SIGNAL) { fprintf(stderr, "Writing a core file\n"); fflush(stderr); write_core(sig); } exit(1); } #ifndef SA_RESETHAND #define SA_RESETHAND 0 #endif #ifndef SA_NODEFER #define SA_NODEFER 0 #endif 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! if (!(test_flags & TEST_NO_STACKTRACE) || (test_flags & TEST_CORE_ON_SIGNAL)) { struct sigaction sa; sa.sa_flags = SA_RESETHAND | SA_NODEFER; sigemptyset(&sa.sa_mask); sigprocmask(SIG_SETMASK,&sa.sa_mask,NULL); init_stacktrace(); #if defined(__amiga__) sa.sa_handler=(void(*)())handle_segfault; #else sa.sa_handler=handle_segfault; #endif sigaction(SIGSEGV, &sa, NULL); #ifdef SIGBUS sigaction(SIGBUS, &sa, NULL); #endif sigaction(SIGILL, &sa, NULL); sigaction(SIGFPE, &sa, NULL); } #ifdef HAVE_GETRLIMIT if (test_flags & TEST_CORE_ON_SIGNAL) { /* Change limits so that we will get a core file */ struct rlimit rl; rl.rlim_cur = rl.rlim_max = RLIM_INFINITY; if (setrlimit(RLIMIT_CORE, &rl) && global_system_variables.log_warnings) sql_print_error("Warning: setrlimit could not change the size of core files to 'infinity'; We may not be able to generate a core file on signals"); } #endif (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); sigset(SIGTERM, print_signal_warning); // If it's blocked by parent sigset(SIGHUP, print_signal_warning); // If it's blocked by parent #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); DBUG_VOID_RETURN; } static void start_signal_handler(void) { int error; pthread_attr_t thr_attr; DBUG_ENTER("start_signal_handler"); (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 */ extern "C" void *signal_hand(void *arg __attribute__((unused))) { sigset_t set; int sig; my_thread_init(); // Init new thread DBUG_ENTER("signal_hand"); signal_thread_in_use= 1; /* Setup alarm handler The two extra handlers are for slave threads */ init_thr_alarm(max_connections+max_insert_delayed_threads+2); #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) */ if (!opt_bootstrap) { File pidFile; if ((pidFile = my_create(pidfile_name,0664, O_WRONLY, MYF(MY_WME))) >= 0) { char buff[21]; sprintf(buff,"%lu",(ulong) getpid()); (void) my_write(pidFile, buff,strlen(buff),MYF(MY_WME)); (void) my_close(pidFile,MYF(0)); } } #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 */ /* signal to start_signal_handler that we are ready This works by waiting for start_signal_handler to free mutex, after which we signal it that we are ready. At this pointer there is no other threads running, so there should not be any other pthread_cond_signal() calls. */ (void) pthread_mutex_lock(&LOCK_thread_count); (void) pthread_mutex_unlock(&LOCK_thread_count); (void) pthread_cond_broadcast(&COND_thread_count); (void) pthread_sigmask(SIG_BLOCK,&set,NULL); 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) { my_thread_end(); signal_thread_in_use= 0; 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: if (!abort_loop) { reload_acl_and_cache((THD*) 0, (REFRESH_LOG | REFRESH_TABLES | REFRESH_FAST | REFRESH_STATUS | REFRESH_GRANT | REFRESH_THREADS | REFRESH_HOSTS), (TABLE_LIST*) 0); // Flush logs 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 */ } static void check_data_home(const char *path) {} #endif /* __WIN__*/ /* All global error messages are sent here where the first one is stored for the client */ /* ARGSUSED */ extern "C" 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); } /* Forget last error message (if we got one) */ void clear_error_message(THD *thd) { thd->net.last_error[0]= 0; } #ifdef __WIN__ struct utsname { char nodename[FN_REFLEN]; }; int uname(struct utsname *a) { return -1; } extern "C" pthread_handler_decl(handle_shutdown,arg) { MSG msg; SHUTDOWN_THD; my_thread_init(); /* this call should create the message queue for this thread */ PeekMessage(&msg, NULL, 1, 65534,PM_NOREMOVE); #if !defined(EMBEDDED_LIBRARY) if (WaitForSingleObject(hEventShutdown,INFINITE)==WAIT_OBJECT_0) #endif 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 #ifdef OS2 extern "C" pthread_handler_decl(handle_shutdown,arg) { SHUTDOWN_THD; my_thread_init(); // wait semaphore pthread_cond_wait( &eventShutdown, NULL); // close semaphore and kill server pthread_cond_destroy( &eventShutdown); /* Exit main loop on main thread, so kill will be done from main thread (this is thread 2) */ abort_loop = 1; // unblock select() so_cancel(ip_sock); so_cancel(unix_sock); return 0; } #endif const char *load_default_groups[]= { "mysqld","server",0 }; bool open_log(MYSQL_LOG *log, const char *hostname, const char *opt_name, const char *extension, const char *index_file_name, enum_log_type type, bool read_append, bool no_auto_events) { char tmp[FN_REFLEN]; if (!opt_name || !opt_name[0]) { /* 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); strmov(fn_ext(tmp),extension); opt_name=tmp; } // get rid of extension if the log is binary to avoid problems if (type == LOG_BIN) { char *p = fn_ext(opt_name); if (p) { uint length=(uint) (p-opt_name); strmake(tmp,opt_name,min(length,FN_REFLEN)); opt_name=tmp; } } return log->open(opt_name, type, 0, index_file_name, (read_append) ? SEQ_READ_APPEND : WRITE_CACHE, no_auto_events); } #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 MAIN_THD; /* Initialize signal_th and shutdown_th to main_th for default value as we need to initialize them to something safe. They are used when compiled with safemalloc. */ SIGNAL_THD; SHUTDOWN_THD; MY_INIT(argv[0]); // init my_sys library & pthreads tzset(); // Set tzname start_time=time((time_t*) 0); #ifdef OS2 { // fix timezone for daylight saving struct tm *ts = localtime(&start_time); if (ts->tm_isdst > 0) _timezone -= 3600; } #endif #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 != 0 ? 1 : 0]); } #else { struct tm *start_tm; start_tm=localtime(&start_time); strmov(time_zone,tzname[start_tm->tm_isdst != 0 ? 1 : 0]); } #endif #endif if (gethostname(glob_hostname,sizeof(glob_hostname)-4) < 0) strmov(glob_hostname,"mysql"); strmake(pidfile_name, glob_hostname, sizeof(pidfile_name)-5); strmov(fn_ext(pidfile_name),".pid"); // Add proper extension #ifndef DBUG_OFF strxmov(strend(server_version),MYSQL_SERVER_SUFFIX,"-debug",NullS); #else strmov(strend(server_version),MYSQL_SERVER_SUFFIX); #endif #ifdef _CUSTOMSTARTUPCONFIG_ if (_cust_check_startup()) { /* _cust_check_startup will report startup failure error */ exit( 1 ); } #endif load_defaults(MYSQL_CONFIG_NAME,load_default_groups,&argc,&argv); defaults_argv=argv; /* Get default temporary directory */ opt_mysql_tmpdir=getenv("TMPDIR"); /* Use this if possible */ #if defined( __WIN__) || defined(OS2) if (!opt_mysql_tmpdir) opt_mysql_tmpdir=getenv("TEMP"); if (!opt_mysql_tmpdir) opt_mysql_tmpdir=getenv("TMP"); #endif if (!opt_mysql_tmpdir || !opt_mysql_tmpdir[0]) opt_mysql_tmpdir=(char*) P_tmpdir; /* purecov: inspected */ set_options(); 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 */ (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_user_conn, MY_MUTEX_INIT_FAST); (void) pthread_mutex_init(&LOCK_rpl_status, MY_MUTEX_INIT_FAST); (void) pthread_mutex_init(&LOCK_active_mi, MY_MUTEX_INIT_FAST); (void) pthread_mutex_init(&LOCK_global_system_variables, MY_MUTEX_INIT_FAST); (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); (void) pthread_cond_init(&COND_manager,NULL); (void) pthread_cond_init(&COND_rpl_status, NULL); init_signals(); if (set_default_charset_by_name(sys_charset.value, MYF(MY_WME))) exit(1); charsets_list = list_charsets(MYF(MY_COMPILED_SETS|MY_CONFIG_SETS)); #ifdef HAVE_OPENSSL if (opt_use_ssl) { /* having ssl_acceptor_fd != 0 signals the use of SSL */ ssl_acceptor_fd= new_VioSSLAcceptorFd(opt_ssl_key, opt_ssl_cert, opt_ssl_ca, opt_ssl_capath, opt_ssl_cipher); DBUG_PRINT("info",("ssl_acceptor_fd: %lx", (long) ssl_acceptor_fd)); if (!ssl_acceptor_fd) opt_use_ssl = 0; } #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); #ifdef HAVE_PTHREAD_ATTR_GETSTACKSIZE { /* Retrieve used stack size; Needed for checking stack overflows */ size_t stack_size= 0; pthread_attr_getstacksize(&connection_attrib, &stack_size); /* We must check if stack_size = 0 as Solaris 2.9 can return 0 here */ if (stack_size && stack_size != thread_stack) { if (global_system_variables.log_warnings) sql_print_error("Warning: Asked for %ld thread stack, but got %ld", thread_stack, stack_size); thread_stack= stack_size; } } #endif if (!(opt_specialflag & SPECIAL_NO_PRIOR)) my_pthread_attr_setprio(&connection_attrib,WAIT_PRIOR); pthread_attr_setscope(&connection_attrib, PTHREAD_SCOPE_SYSTEM); #if defined( SET_RLIMIT_NOFILE) || defined( OS2) /* connections and databases needs lots of files */ { uint wanted_files=10+(uint) max(max_connections*5, max_connections+table_cache_size*2); set_if_bigger(wanted_files, open_files_limit); // Note that some system returns 0 if we succeed here: uint files=set_maximum_open_files(wanted_files); if (files && files < wanted_files && ! open_files_limit) { max_connections= (ulong) min((files-10),max_connections); table_cache_size= (ulong) max((files-10-max_connections)/2,64); 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(); set_var_init(); mysys_uses_curses=0; #ifdef USE_REGEX regex_init(); #endif select_thread=pthread_self(); select_thread_in_use=1; if (use_temp_pool && bitmap_init(&temp_pool,1024,1)) unireg_abort(1); /* We have enough space for fiddling with the argv, continue */ umask(((~my_umask) & 0666)); check_data_home(mysql_real_data_home); if (my_setwd(mysql_real_data_home,MYF(MY_WME))) { unireg_abort(1); /* purecov: inspected */ } mysql_data_home= mysql_data_home_buff; mysql_data_home[0]=FN_CURLIB; // all paths are relative from here mysql_data_home[1]=0; server_init(); table_cache_init(); hostname_cache_init(); query_cache_result_size_limit(query_cache_limit); query_cache_resize(query_cache_size); randominit(&sql_rand,(ulong) start_time,(ulong) start_time/2); reset_floating_point_exceptions(); init_thr_lock(); init_slave_list(); #ifdef HAVE_OPENSSL if (des_key_file) load_des_key_file(des_key_file); #endif /* HAVE_OPENSSL */ /* Setup log files */ if (opt_log) open_log(&mysql_log, glob_hostname, opt_logname, ".log", NullS, LOG_NORMAL); if (opt_update_log) { open_log(&mysql_update_log, glob_hostname, opt_update_logname, "", NullS, LOG_NEW); using_update_log=1; } if (opt_slow_log) open_log(&mysql_slow_log, glob_hostname, opt_slow_logname, "-slow.log", NullS, LOG_NORMAL); if (opt_error_log) { if (!log_error_file_ptr[0]) fn_format(log_error_file, glob_hostname, mysql_data_home, ".err", 0); else fn_format(log_error_file, log_error_file_ptr, mysql_data_home, ".err", MY_UNPACK_FILENAME | MY_SAFE_PATH); if (!log_error_file[0]) opt_error_log= 1; // Too long file name else { if (freopen(log_error_file, "a+", stdout)) freopen(log_error_file, "a+", stderr); } } if (ha_init()) { sql_print_error("Can't init databases"); if (unix_sock != INVALID_SOCKET) unlink(mysql_unix_port); unireg_abort(1); } ha_key_cache(); #if defined(HAVE_MLOCKALL) && defined(MCL_CURRENT) 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; #endif if (opt_myisam_log) (void) mi_log(1); ft_init_stopwords(); #ifdef __WIN__ if (!opt_console) 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"); if (unix_sock != INVALID_SOCKET) unlink(mysql_unix_port); unireg_abort(1); } start_signal_handler(); // Creates pidfile if (acl_init((THD*) 0, opt_noacl)) { abort_loop=1; select_thread_in_use=0; #ifndef __NETWARE__ (void) pthread_kill(signal_thread, MYSQL_KILL_SIGNAL); #endif /* __NETWARE__ */ #ifndef __WIN__ if (!opt_bootstrap) (void) my_delete(pidfile_name,MYF(MY_WME)); // Not needed anymore #endif if (unix_sock != INVALID_SOCKET) unlink(mysql_unix_port); unireg_abort(1); } if (!opt_noacl) (void) grant_init((THD*) 0); init_max_user_conn(); init_update_queries(); DBUG_ASSERT(current_thd == 0); #ifdef HAVE_DLOPEN if (!opt_noacl) udf_init(); #endif /* init_slave() must be called after the thread keys are created */ init_slave(); DBUG_ASSERT(current_thd == 0); if (opt_bin_log && !server_id) { server_id= !master_host ? 1 : 2; switch (server_id) { #ifdef EXTRA_DEBUG case 1: sql_print_error("\ 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."); break; #endif case 2: sql_print_error("\ Warning: You should set server-id to a non-0 value if master_host is set.\n\ The server will not act as a slave."); break; } } if (opt_bin_log) { open_log(&mysql_bin_log, glob_hostname, opt_bin_logname, "-bin", opt_binlog_index_name,LOG_BIN); using_update_log=1; } 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 #if defined(__WIN__) && !defined(EMBEDDED_LIBRARY) //IRENA { hEventShutdown=CreateEvent(0, FALSE, FALSE, shutdown_event_name); 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 #ifdef OS2 { pthread_cond_init( &eventShutdown, NULL); pthread_t hThread; if (pthread_create(&hThread,&connection_attrib,handle_shutdown,0)) sql_print_error("Warning: Can't create thread to handle shutdown requests"); } #endif if ( #ifdef HAVE_BERKELEY_DB !berkeley_skip || #endif (flush_time && flush_time != ~(ulong) 0L)) { pthread_t hThread; if (pthread_create(&hThread,&connection_attrib,handle_manager,0)) sql_print_error("Warning: Can't create thread to manage maintenance"); } printf(ER(ER_READY),my_progname,server_version, ((unix_sock == INVALID_SOCKET) ? (char*) "" : mysql_unix_port), mysql_port); fflush(stdout); #ifdef __NT__ if (hPipe == INVALID_HANDLE_VALUE && (!have_tcpip || opt_disable_networking)) { sql_print_error("TCP/IP or --enable-named-pipe should be configured on NT OS"); unireg_abort(1); } 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 && opt_enable_named_pipe) { 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--; } } if (have_tcpip && !opt_disable_networking) { 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_DEBUG2 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_DEBUG2 sql_print_error("Before Lock_thread_count"); #endif (void) pthread_mutex_lock(&LOCK_thread_count); DBUG_PRINT("quit", ("Got thread_count mutex")); select_thread_in_use=0; // For close_connections (void) pthread_mutex_unlock(&LOCK_thread_count); (void) pthread_cond_broadcast(&COND_thread_count); #ifdef EXTRA_DEBUG2 sql_print_error("After lock_thread_count"); #endif #endif /* __WIN__ */ /* 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); #if defined(__WIN__) && !defined(EMBEDDED_LIBRARY) if (Service.IsNT() && start_mode) Service.Stop(); else { Service.SetShutdownEvent(0); if (hEventShutdown) CloseHandle(hEventShutdown); } #endif #ifndef __NETWARE__ { uint i; /* Wait up to 10 seconds for signal thread to die. We use this mainly to avoid getting warnings that my_thread_end has not been called */ for (i= 0 ; i < 100 && signal_thread_in_use; i++) { if (pthread_kill(signal_thread, MYSQL_KILL_SIGNAL)) break; my_sleep(100); // Give it time to die } } #endif clean_up_mutexes(); my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0); exit(0); return(0); /* purecov: deadcode */ } /**************************************************************************** Main and thread entry function for Win32 (all this is needed only to run mysqld as a service on WinNT) ****************************************************************************/ #if defined(__WIN__) && !defined(EMBEDDED_LIBRARY) int mysql_service(void *p) { if (use_opt_args) win_main(opt_argc, opt_argv); else win_main(Service.my_argc, Service.my_argv); return 0; } /* Handle basic handling of services, like installation and removal SYNOPSIS default_service_handling() argv Pointer to argument list servicename Internal name of service displayname Display name of service (in taskbar ?) file_path Path to this program RETURN VALUES 0 option handled 1 Could not handle option */ bool default_service_handling(char **argv, const char *servicename, const char *displayname, const char *file_path) { if (Service.got_service_option(argv, "install")) { Service.Install(1, servicename, displayname, file_path); return 0; } if (Service.got_service_option(argv, "install-manual")) { Service.Install(0, servicename, displayname, file_path); return 0; } if (Service.got_service_option(argv, "remove")) { Service.Remove(servicename); return 0; } return 1; } int main(int argc, char **argv) { /* When several instances are running on the same machine, we need to have an unique named hEventShudown through the application PID e.g.: MySQLShutdown1890; MySQLShutdown2342 */ int2str((int) GetCurrentProcessId(),strmov(shutdown_event_name, "MySQLShutdown"), 10); if (Service.GetOS()) /* true NT family */ { char file_path[FN_REFLEN]; my_path(file_path, argv[0], ""); /* Find name in path */ fn_format(file_path,argv[0],file_path,"",1+4+16); /* Force full path */ if (argc == 2) { if (!default_service_handling(argv,MYSQL_SERVICENAME, MYSQL_SERVICENAME, file_path)) return 0; if (Service.IsService(argv[1])) { /* start an optional service */ load_default_groups[0]= argv[1]; start_mode= 1; Service.Init(argv[1], mysql_service); return 0; } } else if (argc == 3) /* install or remove any optional service */ { /* Add service name after filename */ uint length=strlen(file_path); *strxnmov(file_path + length, sizeof(file_path)-length-2, " ", argv[2], NullS)= '\0'; if (!default_service_handling(argv, argv[2], argv[2], file_path)) return 0; if (Service.IsService(argv[2])) { /* start an optional service */ use_opt_args=1; opt_argc=argc; opt_argv=argv; start_mode= 1; Service.Init(argv[2], mysql_service); return 0; } } else if (argc == 4) { /* Install an optional service with optional config file mysqld --install-manual mysqldopt --defaults-file=c:\miguel\my.ini */ uint length=strlen(file_path); *strxnmov(file_path + length, sizeof(file_path)-length-2, " ", argv[3], " ", argv[2], NullS)= '\0'; if (!default_service_handling(argv, argv[2], argv[2], file_path)) return 0; } else if (argc == 1 && Service.IsService(MYSQL_SERVICENAME)) { /* start the default service */ start_mode= 1; Service.Init(MYSQL_SERVICENAME, mysql_service); return 0; } } /* Start as standalone server */ Service.my_argc=argc; Service.my_argv=argv; mysql_service(NULL); return 0; } #endif /* Execute all commands from a file. Used by the mysql_install_db script to create MySQL privilege tables without having to start a full MySQL server. */ static int bootstrap(FILE *file) { THD *thd= new THD; int error; DBUG_ENTER("bootstrap"); thd->bootstrap=1; thd->client_capabilities=0; my_net_init(&thd->net,(st_vio*) 0); thd->max_client_packet_length= thd->net.max_packet; thd->master_access= ~0; thd->thread_id=thread_id++; thread_count++; 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"); DBUG_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; net_end(&thd->net); thd->cleanup(); delete thd; DBUG_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->read_timeout = (uint) connect_timeout; 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) { DBUG_PRINT("error",("Too many connections")); close_connection(net,ER_CON_COUNT_ERROR); delete thd; DBUG_VOID_RETURN; } pthread_mutex_lock(&LOCK_thread_count); 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) (my_rnd(&sql_rand)*94+33); thd->scramble[8]=0; thd->real_id=pthread_self(); // Keep purify happy /* Start a new thread to handle connection */ #ifdef ONE_THREAD 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); } else { int error; thread_count++; thread_created++; 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; } } (void) pthread_mutex_unlock(&LOCK_thread_count); } DBUG_PRINT("info",("Thread created")); DBUG_VOID_RETURN; } #ifdef SIGNALS_DONT_BREAK_READ inline void kill_broken_server() { /* hack to get around signals ignored in syscalls for problem OS's */ if ( #if !defined(__NETWARE__) unix_sock == INVALID_SOCKET || #endif (!opt_disable_networking && ip_sock == INVALID_SOCKET)) { select_thread_in_use = 0; #ifdef __NETWARE__ kill_server(MYSQL_KILL_SIGNAL); /* never returns */ #else kill_server((void*)MYSQL_KILL_SIGNAL); /* never returns */ #endif /* __NETWARE__ */ } } #define MAYBE_BROKEN_SYSCALL kill_broken_server(); #else #define MAYBE_BROKEN_SYSCALL #endif /* Handle new connections and spawn new process to handle them */ extern "C" 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; st_vio *vio_tmp; 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); #ifdef HAVE_FCNTL socket_flags=fcntl(unix_sock, F_GETFL, 0); #endif #endif DBUG_PRINT("general",("Waiting for connections.")); MAYBE_BROKEN_SYSCALL; while (!abort_loop) { readFDs=clientFDs; #ifdef HPUX10 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 (socket_errno != SOCKET_EINTR) { if (!select_errors++ && !abort_loop) /* purecov: inspected */ sql_print_error("mysqld: Got error %d from select",socket_errno); /* purecov: inspected */ } MAYBE_BROKEN_SYSCALL continue; } #endif /* HPUX10 */ if (abort_loop) { MAYBE_BROKEN_SYSCALL; 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); #ifdef __NETWARE__ // TODO: temporary fix, waiting for TCP/IP fix - DEFECT000303149 if ((new_sock == INVALID_SOCKET) && (socket_errno == EINVAL)) { kill_server(SIGTERM); } #endif if (new_sock != INVALID_SOCKET || (socket_errno != SOCKET_EINTR && socket_errno != SOCKET_EAGAIN)) break; MAYBE_BROKEN_SYSCALL; #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 == INVALID_SOCKET) { if ((error_count++ & 255) == 0) // This can happen often sql_perror("Error in accept"); MAYBE_BROKEN_SYSCALL; if (socket_errno == SOCKET_ENFILE || socket_errno == SOCKET_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); my_fromhost(&req); if (!my_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", my_eval_client(&req)); /* 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... */ if (req.sink) ((void (*)(int))req.sink)(req.fd); (void) shutdown(new_sock,2); (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, sock == unix_sock ? VIO_TYPE_SOCKET : VIO_TYPE_TCPIP, sock == unix_sock)) || 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) thd->host=(char*) localhost; create_new_thread(thd); } #ifdef OS2 // kill server must be invoked from thread 1! kill_server(MYSQL_KILL_SIGNAL); #endif #ifdef __NT__ pthread_mutex_lock(&LOCK_thread_count); handler_count--; pthread_mutex_unlock(&LOCK_thread_count); pthread_cond_signal(&COND_handler_count); #endif DBUG_RETURN(0); } #ifdef __NT__ extern "C" 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) global_system_variables.net_buffer_length, (int) global_system_variables.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) global_system_variables.net_buffer_length, (int) global_system_variables.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 */ thd->host = my_strdup(localhost,MYF(0)); /* Host is unknown */ create_new_thread(thd); } pthread_mutex_lock(&LOCK_thread_count); handler_count--; pthread_mutex_unlock(&LOCK_thread_count); pthread_cond_signal(&COND_handler_count); DBUG_RETURN(0); } #endif /* __NT__ */ /****************************************************************************** ** handle start options ******************************************************************************/ enum options { 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_ALL, OPT_SLOW_QUERY_LOG, OPT_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_MASTER_RETRY_COUNT, OPT_MASTER_SSL, OPT_MASTER_SSL_KEY, OPT_MASTER_SSL_CERT, OPT_MASTER_SSL_CAPATH, OPT_MASTER_SSL_CIPHER, 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_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, 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, OPT_INNODB_FLUSH_METHOD, OPT_INNODB_FAST_SHUTDOWN, OPT_SAFE_SHOW_DB, OPT_INNODB_SKIP, OPT_SKIP_SAFEMALLOC, OPT_TEMP_POOL, OPT_TX_ISOLATION, OPT_SKIP_STACK_TRACE, OPT_SKIP_SYMLINKS, OPT_MAX_BINLOG_DUMP_EVENTS, OPT_SPORADIC_BINLOG_DUMP_FAIL, OPT_SAFE_USER_CREATE, OPT_SQL_MODE, OPT_HAVE_NAMED_PIPE, OPT_DO_PSTACK, OPT_REPORT_HOST, OPT_REPORT_USER, OPT_REPORT_PASSWORD, OPT_REPORT_PORT, OPT_SHOW_SLAVE_AUTH_INFO, OPT_OLD_RPL_COMPAT, OPT_SLAVE_LOAD_TMPDIR, OPT_NO_MIX_TYPE, OPT_RPL_RECOVERY_RANK,OPT_INIT_RPL_ROLE, OPT_RELAY_LOG, OPT_RELAY_LOG_INDEX, OPT_RELAY_LOG_INFO_FILE, OPT_SLAVE_SKIP_ERRORS, OPT_DES_KEY_FILE, OPT_LOCAL_INFILE, OPT_RECKLESS_SLAVE, OPT_SSL_SSL, OPT_SSL_KEY, OPT_SSL_CERT, OPT_SSL_CA, OPT_SSL_CAPATH, OPT_SSL_CIPHER, OPT_BACK_LOG, OPT_BINLOG_CACHE_SIZE, OPT_CONNECT_TIMEOUT, OPT_DELAYED_INSERT_TIMEOUT, OPT_DELAYED_INSERT_LIMIT, OPT_DELAYED_QUEUE_SIZE, OPT_FLUSH_TIME, OPT_FT_MIN_WORD_LEN, OPT_FT_MAX_WORD_LEN, OPT_FT_MAX_WORD_LEN_FOR_SORT, OPT_FT_STOPWORD_FILE, OPT_INTERACTIVE_TIMEOUT, OPT_JOIN_BUFF_SIZE, OPT_KEY_BUFFER_SIZE, OPT_LONG_QUERY_TIME, OPT_LOWER_CASE_TABLE_NAMES, OPT_MAX_ALLOWED_PACKET, OPT_MAX_BINLOG_CACHE_SIZE, OPT_MAX_BINLOG_SIZE, OPT_MAX_CONNECTIONS, OPT_MAX_CONNECT_ERRORS, OPT_MAX_DELAYED_THREADS, OPT_MAX_HEP_TABLE_SIZE, OPT_MAX_JOIN_SIZE, OPT_MAX_SORT_LENGTH, OPT_MAX_TMP_TABLES, OPT_MAX_USER_CONNECTIONS, OPT_MAX_WRITE_LOCK_COUNT, OPT_BULK_INSERT_BUFFER_SIZE, OPT_MYISAM_BLOCK_SIZE, OPT_MYISAM_MAX_EXTRA_SORT_FILE_SIZE, OPT_MYISAM_MAX_SORT_FILE_SIZE, OPT_MYISAM_SORT_BUFFER_SIZE, OPT_NET_BUFFER_LENGTH, OPT_NET_RETRY_COUNT, OPT_NET_READ_TIMEOUT, OPT_NET_WRITE_TIMEOUT, OPT_OPEN_FILES_LIMIT, OPT_QUERY_CACHE_LIMIT, OPT_QUERY_CACHE_SIZE, OPT_QUERY_CACHE_TYPE, OPT_RECORD_BUFFER, OPT_RECORD_RND_BUFFER, OPT_RELAY_LOG_SPACE_LIMIT, OPT_SLAVE_NET_TIMEOUT, OPT_SLAVE_COMPRESSED_PROTOCOL, OPT_SLOW_LAUNCH_TIME, OPT_SORT_BUFFER, OPT_TABLE_CACHE, OPT_THREAD_CONCURRENCY, OPT_THREAD_CACHE_SIZE, OPT_TMP_TABLE_SIZE, OPT_THREAD_STACK, OPT_WAIT_TIMEOUT, OPT_INNODB_MIRRORED_LOG_GROUPS, OPT_INNODB_LOG_FILES_IN_GROUP, OPT_INNODB_LOG_FILE_SIZE, OPT_INNODB_LOG_BUFFER_SIZE, OPT_INNODB_BUFFER_POOL_SIZE, OPT_INNODB_ADDITIONAL_MEM_POOL_SIZE, OPT_INNODB_FILE_IO_THREADS, OPT_INNODB_LOCK_WAIT_TIMEOUT, OPT_INNODB_THREAD_CONCURRENCY, OPT_INNODB_FORCE_RECOVERY, OPT_BDB_CACHE_SIZE, OPT_BDB_LOG_BUFFER_SIZE, OPT_BDB_MAX_LOCK, OPT_ERROR_LOG_FILE }; #define LONG_TIMEOUT ((ulong) 3600L*24L*365L) struct my_option my_long_options[] = { {"ansi", 'a', "Use ANSI SQL syntax instead of MySQL syntax", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"basedir", 'b', "Path to installation directory. All paths are usually resolved relative to this.", (gptr*) &mysql_home_ptr, (gptr*) &mysql_home_ptr, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #ifdef HAVE_BERKELEY_DB {"bdb-home", OPT_BDB_HOME, "Berkeley home directory", (gptr*) &berkeley_home, (gptr*) &berkeley_home, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"bdb-lock-detect", OPT_BDB_LOCK, "Berkeley lock detect (DEFAULT, OLDEST, RANDOM or YOUNGEST, # sec)", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"bdb-logdir", OPT_BDB_LOG, "Berkeley DB log file directory", (gptr*) &berkeley_logdir, (gptr*) &berkeley_logdir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"bdb-no-recover", OPT_BDB_NO_RECOVER, "Don't try to recover Berkeley DB tables on start", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"bdb-no-sync", OPT_BDB_NOSYNC, "Don't synchronously flush logs", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"bdb-shared-data", OPT_BDB_SHARED, "Start Berkeley DB in multi-process mode", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"bdb-tmpdir", OPT_BDB_TMP, "Berkeley DB tempfile name", (gptr*) &berkeley_tmpdir, (gptr*) &berkeley_tmpdir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #endif /* HAVE_BERKELEY_DB */ {"skip-bdb", OPT_BDB_SKIP, "Don't use berkeley db (will save memory)", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"big-tables", OPT_BIG_TABLES, "Allow big result sets by saving all temporary sets on file (Solves most 'table full' errors)", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"binlog-do-db", OPT_BINLOG_DO_DB, "Tells the master it should log updates for the specified database, and exclude all others not explicitly mentioned.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"binlog-ignore-db", OPT_BINLOG_IGNORE_DB, "Tells the master that updates to the given database should not be logged tothe binary log", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"bind-address", OPT_BIND_ADDRESS, "IP address to bind to", (gptr*) &my_bind_addr_str, (gptr*) &my_bind_addr_str, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"bootstrap", OPT_BOOTSTRAP, "Used by mysql installation scripts", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"console", OPT_CONSOLE, "Write error output on screen; Don't remove the console window on windows", (gptr*) &opt_console, (gptr*) &opt_console, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, #ifdef __WIN__ {"standalone", OPT_STANDALONE, "Dummy option to start as a standalone program (NT)", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, #endif {"core-file", OPT_WANT_CORE, "Write core on errors", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"chroot", 'r', "Chroot mysqld daemon during startup.", (gptr*) &mysqld_chroot, (gptr*) &mysqld_chroot, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"character-sets-dir", OPT_CHARSETS_DIR, "Directory where character sets are", (gptr*) &charsets_dir, (gptr*) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"datadir", 'h', "Path to the database root", (gptr*) &mysql_data_home, (gptr*) &mysql_data_home, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #ifndef DBUG_OFF {"debug", '#', "Debug log.", (gptr*) &default_dbug_option, (gptr*) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, #ifdef SAFEMALLOC {"skip-safemalloc", OPT_SKIP_SAFEMALLOC, "Don't use the memory allocation checking", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, #endif #endif #ifdef HAVE_OPENSSL {"des-key-file", OPT_DES_KEY_FILE, "Load keys for des_encrypt() and des_encrypt from given file", (gptr*) &des_key_file, (gptr*) &des_key_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #endif /* HAVE_OPENSSL */ {"default-character-set", 'C', "Set the default character set", (gptr*) &sys_charset.value, (gptr*) &sys_charset.value, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 }, {"default-table-type", OPT_TABLE_TYPE, "Set the default table type for tables", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"delay-key-write", OPT_DELAY_KEY_WRITE, "Type of DELAY_KEY_WRITE", 0,0,0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"delay-key-write-for-all-tables", OPT_DELAY_KEY_WRITE_ALL, "Don't flush key buffers between writes for any MyISAM table (Deprecated option, use --delay-key-write=all instead)", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"enable-locking", OPT_ENABLE_LOCK, "Deprecated option, use --external-locking instead", (gptr*) &opt_external_locking, (gptr*) &opt_external_locking, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, #ifdef __NT__ {"enable-named-pipe", OPT_HAVE_NAMED_PIPE, "Enable the named pipe (NT)", (gptr*) &opt_enable_named_pipe, (gptr*) &opt_enable_named_pipe, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, #endif {"enable-pstack", OPT_DO_PSTACK, "Print a symbolic stack trace on failure", (gptr*) &opt_do_pstack, (gptr*) &opt_do_pstack, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"exit-info", 'T', "Used for debugging; Use at your own risk!", 0, 0, 0, GET_LONG, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"flush", OPT_FLUSH, "Flush tables to disk between SQL commands", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, /* We must always support the next option to make scripts like mysqltest easier to do */ {"init-rpl-role", OPT_INIT_RPL_ROLE, "Set the replication role", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"innodb_data_file_path", OPT_INNODB_DATA_FILE_PATH, "Path to individual files and their sizes", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #ifdef HAVE_INNOBASE_DB {"innodb_data_home_dir", OPT_INNODB_DATA_HOME_DIR, "The common part for Innodb table spaces", (gptr*) &innobase_data_home_dir, (gptr*) &innobase_data_home_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"innodb_log_group_home_dir", OPT_INNODB_LOG_GROUP_HOME_DIR, "Path to innodb log files.", (gptr*) &innobase_log_group_home_dir, (gptr*) &innobase_log_group_home_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"innodb_log_arch_dir", OPT_INNODB_LOG_ARCH_DIR, "Where full logs should be archived", (gptr*) &innobase_log_arch_dir, (gptr*) &innobase_log_arch_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"innodb_log_archive", OPT_INNODB_LOG_ARCHIVE, "Set to 1 if you want to have logs archived", 0, 0, 0, GET_LONG, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"innodb_flush_log_at_trx_commit", OPT_INNODB_FLUSH_LOG_AT_TRX_COMMIT, "Set to 0 (write and flush once per second), 1 (write and flush at each commit) or 2 (write at commit, flush once per second)", (gptr*) &innobase_flush_log_at_trx_commit, (gptr*) &innobase_flush_log_at_trx_commit, 0, GET_UINT, OPT_ARG, 0, 0, 2, 0, 0, 0}, {"innodb_flush_method", OPT_INNODB_FLUSH_METHOD, "With which method to flush data", (gptr*) &innobase_unix_file_flush_method, (gptr*) &innobase_unix_file_flush_method, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"innodb_fast_shutdown", OPT_INNODB_FAST_SHUTDOWN, "Speeds up server shutdown process", (gptr*) &innobase_fast_shutdown, (gptr*) &innobase_fast_shutdown, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0}, #endif /* End HAVE_INNOBASE_DB */ {"help", '?', "Display this help and exit", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"init-file", OPT_INIT_FILE, "Read SQL commands from this file at startup", (gptr*) &opt_init_file, (gptr*) &opt_init_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"log", 'l', "Log connections and queries to file", (gptr*) &opt_logname, (gptr*) &opt_logname, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"language", 'L', "Client error messages in given language. May be given as a full path", (gptr*) &language_ptr, (gptr*) &language_ptr, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"local-infile", OPT_LOCAL_INFILE, "Enable/disable LOAD DATA LOCAL INFILE (takes values 1|0)", (gptr*) &opt_local_infile, (gptr*) &opt_local_infile, 0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0}, {"log-bin", OPT_BIN_LOG, "Log queries in new binary format (for replication)", (gptr*) &opt_bin_logname, (gptr*) &opt_bin_logname, 0, GET_STR_ALLOC, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"log-bin-index", OPT_BIN_LOG_INDEX, "File that holds the names for last binary log files", (gptr*) &opt_binlog_index_name, (gptr*) &opt_binlog_index_name, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"log-isam", OPT_ISAM_LOG, "Log all MyISAM changes to file", (gptr*) &myisam_log_filename, (gptr*) &myisam_log_filename, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"log-update", OPT_UPDATE_LOG, "Log updates to file.# where # is a unique number if not given.", (gptr*) &opt_update_logname, (gptr*) &opt_update_logname, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"log-slow-queries", OPT_SLOW_QUERY_LOG, "Log slow queries to this log file. Defaults logging to hostname-slow.log", (gptr*) &opt_slow_logname, (gptr*) &opt_slow_logname, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"log-long-format", OPT_LONG_FORMAT, "Log some extra information to update log", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"log-slave-updates", OPT_LOG_SLAVE_UPDATES, "Tells the slave to log the updates from the slave thread to the binary log. You will need to turn it on if you plan to daisy-chain the slaves.", (gptr*) &opt_log_slave_updates, (gptr*) &opt_log_slave_updates, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"low-priority-updates", OPT_LOW_PRIORITY_UPDATES, "INSERT/DELETE/UPDATE has lower priority than selects", (gptr*) &global_system_variables.low_priority_updates, (gptr*) &max_system_variables.low_priority_updates, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"master-host", OPT_MASTER_HOST, "Master hostname or IP address for replication. If not set, the slave thread will not be started. Note that the setting of master-host will be ignored if there exists a valid master.info file.", (gptr*) &master_host, (gptr*) &master_host, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"master-user", OPT_MASTER_USER, "The username the slave thread will use for authentication when connecting to the master. The user must have FILE privilege. If the master user is not set, user test is assumed. The value in master.info will take precedence if it can be read.", (gptr*) &master_user, (gptr*) &master_user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"master-password", OPT_MASTER_PASSWORD, "The password the slave thread will authenticate with when connecting to the master. If not set, an empty password is assumed.The value in master.info will take precedence if it can be read.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"master-port", OPT_MASTER_PORT, "The port the master is listening on. If not set, the compiled setting of MYSQL_PORT is assumed. If you have not tinkered with configure options, this should be 3306. The value in master.info will take precedence if it can be read", (gptr*) &master_port, (gptr*) &master_port, 0, GET_UINT, REQUIRED_ARG, MYSQL_PORT, 0, 0, 0, 0, 0}, {"master-connect-retry", OPT_MASTER_CONNECT_RETRY, "The number of seconds the slave thread will sleep before retrying to connect to the master in case the master goes down or the connection is lost.", (gptr*) &master_connect_retry, (gptr*) &master_connect_retry, 0, GET_UINT, REQUIRED_ARG, 60, 0, 0, 0, 0, 0}, {"master-retry-count", OPT_MASTER_RETRY_COUNT, "The number of tries the slave will make to connect to the master before giving up.", (gptr*) &master_retry_count, (gptr*) &master_retry_count, 0, GET_ULONG, REQUIRED_ARG, 3600*24, 0, 0, 0, 0, 0}, {"master-info-file", OPT_MASTER_INFO_FILE, "The location of the file that remembers where we left off on the master during the replication process. The default is `master.info' in the data directory. You should not need to change this.", (gptr*) &master_info_file, (gptr*) &master_info_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"master-ssl", OPT_MASTER_SSL, "Turn SSL on for replication. Be warned that is this is a relatively new feature.", (gptr*) &master_ssl, (gptr*) &master_ssl, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"master-ssl-key", OPT_MASTER_SSL_KEY, "Master SSL keyfile name. Only applies if you have enabled master-ssl.", (gptr*) &master_ssl_key, (gptr*) &master_ssl_key, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"master-ssl-cert", OPT_MASTER_SSL_CERT, "Master SSL certificate file name. Only applies if you have enabled master-ssl.", (gptr*) &master_ssl_cert, (gptr*) &master_ssl_cert, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"master-ssl-capath", OPT_MASTER_SSL_CAPATH, "Master SSL CA path. Only applies if you have enabled master-ssl.", (gptr*) &master_ssl_capath, (gptr*) &master_ssl_capath, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"master-ssl-cipher", OPT_MASTER_SSL_CIPHER, "Master SSL cipher. Only applies if you have enabled master-ssl.", (gptr*) &master_ssl_cipher, (gptr*) &master_ssl_capath, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"myisam-recover", OPT_MYISAM_RECOVER, "Syntax: myisam-recover[=option[,option...]], where option can be DEFAULT, BACKUP or FORCE.", (gptr*) &myisam_recover_options_str, (gptr*) &myisam_recover_options_str, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"memlock", OPT_MEMLOCK, "Lock mysqld in memory", (gptr*) &locked_in_memory, (gptr*) &locked_in_memory, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"disconnect-slave-event-count", OPT_DISCONNECT_SLAVE_EVENT_COUNT, "Option used by mysql-test for debugging and testing of replication", (gptr*) &disconnect_slave_event_count, (gptr*) &disconnect_slave_event_count, 0, GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"abort-slave-event-count", OPT_ABORT_SLAVE_EVENT_COUNT, "Option used by mysql-test for debugging and testing of replication", (gptr*) &abort_slave_event_count, (gptr*) &abort_slave_event_count, 0, GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"max-binlog-dump-events", OPT_MAX_BINLOG_DUMP_EVENTS, "Option used by mysql-test for debugging and testing of replication", (gptr*) &max_binlog_dump_events, (gptr*) &max_binlog_dump_events, 0, GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"sporadic-binlog-dump-fail", OPT_SPORADIC_BINLOG_DUMP_FAIL, "Option used by mysql-test for debugging and testing of replication", (gptr*) &opt_sporadic_binlog_dump_fail, (gptr*) &opt_sporadic_binlog_dump_fail, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"safemalloc-mem-limit", OPT_SAFEMALLOC_MEM_LIMIT, "Simulate memory shortage when compiled with the --with-debug=full option", 0, 0, 0, GET_ULL, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"new", 'n', "Use some 4.1 features and syntax (4.1 compatibility mode)", (gptr*) &global_system_variables.new_mode, (gptr*) &max_system_variables.new_mode, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, #ifdef NOT_YET {"no-mix-table-types", OPT_NO_MIX_TYPE, "Don't allow commands with uses two different table types", (gptr*) &opt_no_mix_types, (gptr*) &opt_no_mix_types, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, #endif {"old-protocol", 'o', "Use the old (3.20) protocol client/server protocol", (gptr*) &protocol_version, (gptr*) &protocol_version, 0, GET_UINT, NO_ARG, PROTOCOL_VERSION, 0, 0, 0, 0, 0}, {"old-rpl-compat", OPT_OLD_RPL_COMPAT, "Use old LOAD DATA format in the binary log (don't save data in file)", (gptr*) &opt_old_rpl_compat, (gptr*) &opt_old_rpl_compat, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, #ifdef ONE_THREAD {"one-thread", OPT_ONE_THREAD, "Only use one thread (for debugging under Linux)", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, #endif {"pid-file", OPT_PID_FILE, "Pid file used by safe_mysqld", (gptr*) &pidfile_name_ptr, (gptr*) &pidfile_name_ptr, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"log-error", OPT_ERROR_LOG_FILE, "Log error file", (gptr*) &log_error_file_ptr, (gptr*) &log_error_file_ptr, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, {"port", 'P', "Port number to use for connection.", (gptr*) &mysql_port, (gptr*) &mysql_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"reckless-slave", OPT_RECKLESS_SLAVE, "For debugging", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"replicate-do-db", OPT_REPLICATE_DO_DB, "Tells the slave thread to restrict replication to the specified database. To specify more than one database, use the directive multiple times, once for each database. Note that this will only work if you do not use cross-database queries such as UPDATE some_db.some_table SET foo='bar' while having selected a different or no database. If you need cross database updates to work, make sure you have 3.23.28 or later, and use replicate-wild-do-table=db_name.%.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"replicate-do-table", OPT_REPLICATE_DO_TABLE, "Tells the slave thread to restrict replication to the specified table. To specify more than one table, use the directive multiple times, once for each table. This will work for cross-database updates, in contrast to replicate-do-db.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"replicate-wild-do-table", OPT_REPLICATE_WILD_DO_TABLE, "Tells the slave thread to restrict replication to the tables that match the specified wildcard pattern. To specify more than one table, use the directive multiple times, once for each table. This will work for cross-database updates. Example: replicate-wild-do-table=foo%.bar% will replicate only updates to tables in all databases that start with foo and whose table names start with bar", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"replicate-ignore-db", OPT_REPLICATE_IGNORE_DB, "Tells the slave thread to not replicate to the specified database. To specify more than one database to ignore, use the directive multiple times, once for each database. This option will not work if you use cross database updates. If you need cross database updates to work, make sure you have 3.23.28 or later, and use replicate-wild-ignore-table=db_name.%. ", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"replicate-ignore-table", OPT_REPLICATE_IGNORE_TABLE, "Tells the slave thread to not replicate to the specified table. To specify more than one table to ignore, use the directive multiple times, once for each table. This will work for cross-datbase updates, in contrast to replicate-ignore-db.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"replicate-wild-ignore-table", OPT_REPLICATE_WILD_IGNORE_TABLE, "Tells the slave thread to not replicate to the tables that match the given wildcard pattern. To specify more than one table to ignore, use the directive multiple times, once for each table. This will work for cross-database updates. Example: replicate-wild-ignore-table=foo%.bar% will not do updates to tables in databases that start with foo and whose table names start with bar.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"replicate-rewrite-db", OPT_REPLICATE_REWRITE_DB, "Updates to a database with a different name than the original. Example: replicate-rewrite-db=master_db_name->slave_db_name", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, // In replication, we may need to tell the other servers how to connect {"report-host", OPT_REPORT_HOST, "Hostname or IP of the slave to be reported to to the master during slave registration. Will appear in the output of SHOW SLAVE HOSTS. Leave unset if you do not want the slave to register itself with the master. Note that it is not sufficient for the master to simply read the IP of the slave off the socket once the slave connects. Due to NAT and other routing issues, that IP may not be valid for connecting to the slave from the master or other hosts.", (gptr*) &report_host, (gptr*) &report_host, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"report-user", OPT_REPORT_USER, "Undocumented", (gptr*) &report_user, (gptr*) &report_user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"report-password", OPT_REPORT_PASSWORD, "Undocumented", (gptr*) &report_password, (gptr*) &report_password, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"report-port", OPT_REPORT_PORT, "Port for connecting to slave reported to the master during slave registration. Set it only if the slave is listening on a non-default port or if you have a special tunnel from the master or other clients to the slave. If not sure, leave this option unset.", (gptr*) &report_port, (gptr*) &report_port, 0, GET_UINT, REQUIRED_ARG, MYSQL_PORT, 0, 0, 0, 0, 0}, {"rpl-recovery-rank", OPT_RPL_RECOVERY_RANK, "Undocumented", (gptr*) &rpl_recovery_rank, (gptr*) &rpl_recovery_rank, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"relay-log", OPT_RELAY_LOG, "Undocumented", (gptr*) &opt_relay_logname, (gptr*) &opt_relay_logname, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"relay-log-index", OPT_RELAY_LOG_INDEX, "Undocumented", (gptr*) &opt_relaylog_index_name, (gptr*) &opt_relaylog_index_name, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"safe-mode", OPT_SAFE, "Skip some optimize stages (for testing).", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, #ifndef TO_BE_DELETED {"safe-show-database", OPT_SAFE_SHOW_DB, "Deprecated option; One should use GRANT SHOW DATABASES instead...", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, #endif {"safe-user-create", OPT_SAFE_USER_CREATE, "Don't allow new user creation by the user who has no write privileges to the mysql.user table", (gptr*) &opt_safe_user_create, (gptr*) &opt_safe_user_create, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"server-id", OPT_SERVER_ID, "Uniquely identifies the server instance in the community of replication partners", (gptr*) &server_id, (gptr*) &server_id, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"set-variable", 'O', "Change the value of a variable. Please note that this option is deprecated;you can set variables directly with --variable-name=value.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"show-slave-auth-info", OPT_SHOW_SLAVE_AUTH_INFO, "Show user and password in SHOW SLAVE STATUS", (gptr*) &opt_show_slave_auth_info, (gptr*) &opt_show_slave_auth_info, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"concurrent-insert", OPT_CONCURRENT_INSERT, "Use concurrent insert with MyISAM. Disable with prefix --skip-", (gptr*) &myisam_concurrent_insert, (gptr*) &myisam_concurrent_insert, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0}, {"skip-grant-tables", OPT_SKIP_GRANT, "Start without grant tables. This gives all users FULL ACCESS to all tables!", (gptr*) &opt_noacl, (gptr*) &opt_noacl, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-innodb", OPT_INNODB_SKIP, "Don't use Innodb (will save memory)", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-locking", OPT_SKIP_LOCK, "Deprecated option, use --skip-external-locking instead", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-host-cache", OPT_SKIP_HOST_CACHE, "Don't cache host names", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-name-resolve", OPT_SKIP_RESOLVE, "Don't resolve hostnames. All hostnames are IP's or 'localhost'", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-networking", OPT_SKIP_NETWORKING, "Don't allow connection with TCP/IP.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-new", OPT_SKIP_NEW, "Don't use new, possible wrong routines.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-show-database", OPT_SKIP_SHOW_DB, "Don't allow 'SHOW DATABASE' commands", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-slave-start", OPT_SKIP_SLAVE_START, "If set, slave is not autostarted.", (gptr*) &opt_skip_slave_start, (gptr*) &opt_skip_slave_start, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-stack-trace", OPT_SKIP_STACK_TRACE, "Don't print a stack trace on failure", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-symlink", OPT_SKIP_SYMLINKS, "Don't allow symlinking of tables", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"skip-thread-priority", OPT_SKIP_PRIOR, "Don't give threads different priorities.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"relay-log-info-file", OPT_RELAY_LOG_INFO_FILE, "Undocumented", (gptr*) &relay_log_info_file, (gptr*) &relay_log_info_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"slave-load-tmpdir", OPT_SLAVE_LOAD_TMPDIR, "Undocumented", (gptr*) &slave_load_tmpdir, (gptr*) &slave_load_tmpdir, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"slave-skip-errors", OPT_SLAVE_SKIP_ERRORS, "Tells the slave thread to continue replication when a query returns an error from the provided list", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"socket", OPT_SOCKET, "Socket file to use for connection", (gptr*) &mysql_unix_port, (gptr*) &mysql_unix_port, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"sql-bin-update-same", OPT_SQL_BIN_UPDATE_SAME, "If set, setting SQL_LOG_BIN to a value will automatically set SQL_LOG_UPDATE to the same value and vice versa.", (gptr*) &opt_sql_bin_update, (gptr*) &opt_sql_bin_update, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"sql-mode", OPT_SQL_MODE, "Syntax: sql-mode=option[,option[,option...]] where option can be one of: REAL_AS_FLOAT, PIPES_AS_CONCAT, ANSI_QUOTES, IGNORE_SPACE, SERIALIZE, ONLY_FULL_GROUP_BY, NO_UNSIGNED_SUBTRACTION.", (gptr*) &sql_mode_str, (gptr*) &sql_mode_str, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #ifdef HAVE_OPENSSL #include "sslopt-longopts.h" #endif {"temp-pool", OPT_TEMP_POOL, "Using this option will cause most temporary files created to use a small set of names, rather than a unique name for each new file.", (gptr*) &use_temp_pool, (gptr*) &use_temp_pool, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0}, {"tmpdir", 't', "Path for temporary files", (gptr*) &opt_mysql_tmpdir, (gptr*) &opt_mysql_tmpdir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"transaction-isolation", OPT_TX_ISOLATION, "Default transaction isolation level", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"external-locking", OPT_USE_LOCKING, "Use system (external) locking. With this option enabled you can run myisamchk to test (not repair) tables while the MySQL server is running", (gptr*) &opt_external_locking, (gptr*) &opt_external_locking, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, #ifdef USE_SYMDIR {"use-symbolic-links", 's', "Enable symbolic link support", (gptr*) &my_use_symdir, (gptr*) &my_use_symdir, 0, GET_BOOL, NO_ARG, IF_PURIFY(0,1), 0, 0, 0, 0, 0}, #endif {"user", 'u', "Run mysqld daemon as user", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"version", 'V', "Output version information and exit", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"version", 'v', "Synonym for option -v", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, {"log-warnings", 'W', "Log some not critical warnings to the log file", (gptr*) &global_system_variables.log_warnings, (gptr*) &max_system_variables.log_warnings, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, {"warnings", 'W', "Deprecated ; Use --log-warnings instead", (gptr*) &global_system_variables.log_warnings, (gptr*) &max_system_variables.log_warnings, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, { "back_log", OPT_BACK_LOG, "The number of outstanding connection requests MySQL can have. This comes into play when the main MySQL thread gets very many connection requests in a very short time.", (gptr*) &back_log, (gptr*) &back_log, 0, GET_ULONG, REQUIRED_ARG, 50, 1, 65535, 0, 1, 0 }, #ifdef HAVE_BERKELEY_DB { "bdb_cache_size", OPT_BDB_CACHE_SIZE, "The buffer that is allocated to cache index and rows for BDB tables.", (gptr*) &berkeley_cache_size, (gptr*) &berkeley_cache_size, 0, GET_ULONG, REQUIRED_ARG, KEY_CACHE_SIZE, 20*1024, (long) ~0, 0, IO_SIZE, 0}, {"bdb_log_buffer_size", OPT_BDB_LOG_BUFFER_SIZE, "The buffer that is allocated to cache index and rows for BDB tables.", (gptr*) &berkeley_log_buffer_size, (gptr*) &berkeley_log_buffer_size, 0, GET_ULONG, REQUIRED_ARG, 0, 256*1024L, ~0L, 0, 1024, 0}, {"bdb_max_lock", OPT_BDB_MAX_LOCK, "The maximum number of locks you can have active on a BDB table.", (gptr*) &berkeley_max_lock, (gptr*) &berkeley_max_lock, 0, GET_ULONG, REQUIRED_ARG, 10000, 0, (long) ~0, 0, 1, 0}, /* QQ: The following should be removed soon! */ {"bdb_lock_max", OPT_BDB_MAX_LOCK, "Synonym for bdb_max_lock", (gptr*) &berkeley_max_lock, (gptr*) &berkeley_max_lock, 0, GET_ULONG, REQUIRED_ARG, 10000, 0, (long) ~0, 0, 1, 0}, #endif /* HAVE_BERKELEY_DB */ {"binlog_cache_size", OPT_BINLOG_CACHE_SIZE, "The size of the cache to hold the SQL statements for the binary log during a transaction. If you often use big, multi-statement transactions you can increase this to get more performance.", (gptr*) &binlog_cache_size, (gptr*) &binlog_cache_size, 0, GET_ULONG, REQUIRED_ARG, 32*1024L, IO_SIZE, ~0L, 0, IO_SIZE, 0}, {"connect_timeout", OPT_CONNECT_TIMEOUT, "The number of seconds the mysqld server is waiting for a connect packet before responding with Bad handshake", (gptr*) &connect_timeout, (gptr*) &connect_timeout, 0, GET_ULONG, REQUIRED_ARG, CONNECT_TIMEOUT, 2, LONG_TIMEOUT, 0, 1, 0 }, {"delayed_insert_timeout", OPT_DELAYED_INSERT_TIMEOUT, "How long a INSERT DELAYED thread should wait for INSERT statements before terminating.", (gptr*) &delayed_insert_timeout, (gptr*) &delayed_insert_timeout, 0, GET_ULONG, REQUIRED_ARG, DELAYED_WAIT_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0}, {"delayed_insert_limit", OPT_DELAYED_INSERT_LIMIT, "After inserting delayed_insert_limit rows, the INSERT DELAYED handler will check if there are any SELECT statements pending. If so, it allows these to execute before continuing.", (gptr*) &delayed_insert_limit, (gptr*) &delayed_insert_limit, 0, GET_ULONG, REQUIRED_ARG, DELAYED_LIMIT, 1, ~0L, 0, 1, 0}, { "delayed_queue_size", OPT_DELAYED_QUEUE_SIZE, "What size queue (in rows) should be allocated for handling INSERT DELAYED. If the queue becomes full, any client that does INSERT DELAYED will wait until there is room in the queue again.", (gptr*) &delayed_queue_size, (gptr*) &delayed_queue_size, 0, GET_ULONG, REQUIRED_ARG, DELAYED_QUEUE_SIZE, 1, ~0L, 0, 1, 0}, { "flush_time", OPT_FLUSH_TIME, "A dedicated thread is created to flush all tables at the given interval.", (gptr*) &flush_time, (gptr*) &flush_time, 0, GET_ULONG, REQUIRED_ARG, FLUSH_TIME, 0, LONG_TIMEOUT, 0, 1, 0}, { "ft_min_word_len", OPT_FT_MIN_WORD_LEN, "The minimum length of the word to be included in a FULLTEXT index. Note: FULLTEXT indexes must be rebuilt after changing this variable.", (gptr*) &ft_min_word_len, (gptr*) &ft_min_word_len, 0, GET_ULONG, REQUIRED_ARG, 4, 1, HA_FT_MAXLEN, 0, 1, 0}, { "ft_max_word_len", OPT_FT_MAX_WORD_LEN, "The maximum length of the word to be included in a FULLTEXT index. Note: FULLTEXT indexes must be rebuilt after changing this variable.", (gptr*) &ft_max_word_len, (gptr*) &ft_max_word_len, 0, GET_ULONG, REQUIRED_ARG, HA_FT_MAXLEN, 10, HA_FT_MAXLEN, 0, 1, 0}, { "ft_max_word_len_for_sort", OPT_FT_MAX_WORD_LEN_FOR_SORT, "The maximum length of the word for repair_by_sorting. Longer words are included the slow way. The lower this value, the more words will be put in one sort bucket.", (gptr*) &ft_max_word_len_for_sort, (gptr*) &ft_max_word_len_for_sort, 0, GET_ULONG, REQUIRED_ARG, 20, 4, HA_FT_MAXLEN, 0, 1, 0}, { "ft_stopword_file", OPT_FT_STOPWORD_FILE, "Use stopwords from this file instead of built-in list.", (gptr*) &ft_stopword_file, (gptr*) &ft_stopword_file, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #ifdef HAVE_INNOBASE_DB {"innodb_mirrored_log_groups", OPT_INNODB_MIRRORED_LOG_GROUPS, "Number of identical copies of log groups we keep for the database. Currently this should be set to 1.", (gptr*) &innobase_mirrored_log_groups, (gptr*) &innobase_mirrored_log_groups, 0, GET_LONG, REQUIRED_ARG, 1, 1, 10, 0, 1, 0}, {"innodb_log_files_in_group", OPT_INNODB_LOG_FILES_IN_GROUP, "Number of log files in the log group. InnoDB writes to the files in a circular fashion. Value 3 is recommended here.", (gptr*) &innobase_log_files_in_group, (gptr*) &innobase_log_files_in_group, 0, GET_LONG, REQUIRED_ARG, 2, 2, 100, 0, 1, 0}, {"innodb_log_file_size", OPT_INNODB_LOG_FILE_SIZE, "Size of each log file in a log group in megabytes.", (gptr*) &innobase_log_file_size, (gptr*) &innobase_log_file_size, 0, GET_LONG, REQUIRED_ARG, 5*1024*1024L, 1*1024*1024L, ~0L, 0, 1024*1024L, 0}, {"innodb_log_buffer_size", OPT_INNODB_LOG_BUFFER_SIZE, "The size of the buffer which InnoDB uses to write log to the log files on disk.", (gptr*) &innobase_log_buffer_size, (gptr*) &innobase_log_buffer_size, 0, GET_LONG, REQUIRED_ARG, 1024*1024L, 256*1024L, ~0L, 0, 1024, 0}, {"innodb_buffer_pool_size", OPT_INNODB_BUFFER_POOL_SIZE, "The size of the memory buffer InnoDB uses to cache data and indexes of its tables.", (gptr*) &innobase_buffer_pool_size, (gptr*) &innobase_buffer_pool_size, 0, GET_LONG, REQUIRED_ARG, 8*1024*1024L, 1024*1024L, ~0L, 0, 1024*1024L, 0}, {"innodb_additional_mem_pool_size", OPT_INNODB_ADDITIONAL_MEM_POOL_SIZE, "Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.", (gptr*) &innobase_additional_mem_pool_size, (gptr*) &innobase_additional_mem_pool_size, 0, GET_LONG, REQUIRED_ARG, 1*1024*1024L, 512*1024L, ~0L, 0, 1024, 0}, {"innodb_file_io_threads", OPT_INNODB_FILE_IO_THREADS, "Number of file I/O threads in InnoDB.", (gptr*) &innobase_file_io_threads, (gptr*) &innobase_file_io_threads, 0, GET_LONG, REQUIRED_ARG, 4, 4, 64, 0, 1, 0}, {"innodb_lock_wait_timeout", OPT_INNODB_LOCK_WAIT_TIMEOUT, "Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back.", (gptr*) &innobase_lock_wait_timeout, (gptr*) &innobase_lock_wait_timeout, 0, GET_LONG, REQUIRED_ARG, 50, 1, 1024 * 1024 * 1024, 0, 1, 0}, {"innodb_thread_concurrency", OPT_INNODB_THREAD_CONCURRENCY, "Helps in performance tuning in heavily concurrent environments.", (gptr*) &innobase_thread_concurrency, (gptr*) &innobase_thread_concurrency, 0, GET_LONG, REQUIRED_ARG, 8, 1, 1000, 0, 1, 0}, {"innodb_force_recovery", OPT_INNODB_FORCE_RECOVERY, "Helps to save your data in case the disk image of the database becomes corrupt.", (gptr*) &innobase_force_recovery, (gptr*) &innobase_force_recovery, 0, GET_LONG, REQUIRED_ARG, 0, 0, 6, 0, 1, 0}, #endif /* HAVE_INNOBASE_DB */ {"interactive_timeout", OPT_INTERACTIVE_TIMEOUT, "The number of seconds the server waits for activity on an interactive connection before closing it.", (gptr*) &global_system_variables.net_interactive_timeout, (gptr*) &max_system_variables.net_interactive_timeout, 0, GET_ULONG, REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0}, {"join_buffer_size", OPT_JOIN_BUFF_SIZE, "The size of the buffer that is used for full joins.", (gptr*) &global_system_variables.join_buff_size, (gptr*) &max_system_variables.join_buff_size, 0, GET_ULONG, REQUIRED_ARG, 128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD, IO_SIZE, 0}, {"key_buffer_size", OPT_KEY_BUFFER_SIZE, "The size of the buffer used for index blocks. Increase this to get better index handling (for all reads and multiple writes) to as much as you can afford; 64M on a 256M machine that mainly runs MySQL is quite common.", (gptr*) &keybuff_size, (gptr*) &keybuff_size, 0, GET_ULL, REQUIRED_ARG, KEY_CACHE_SIZE, MALLOC_OVERHEAD, (long) ~0, MALLOC_OVERHEAD, IO_SIZE, 0}, {"long_query_time", OPT_LONG_QUERY_TIME, "Log all queries that have taken more than long_query_time seconds to execute to file.", (gptr*) &global_system_variables.long_query_time, (gptr*) &max_system_variables.long_query_time, 0, GET_ULONG, REQUIRED_ARG, 10, 1, LONG_TIMEOUT, 0, 1, 0}, {"lower_case_table_names", OPT_LOWER_CASE_TABLE_NAMES, "If set to 1 table names are stored in lowercase on disk and table names will be case-insensitive.", (gptr*) &lower_case_table_names, (gptr*) &lower_case_table_names, 0, GET_BOOL, NO_ARG, #ifdef FN_NO_CASE_SENCE 1 #else 0 #endif , 0, 1, 0, 1, 0}, {"max_allowed_packet", OPT_MAX_ALLOWED_PACKET, "Max packetlength to send/receive from to server.", (gptr*) &global_system_variables.max_allowed_packet, (gptr*) &max_system_variables.max_allowed_packet, 0, GET_ULONG, REQUIRED_ARG, 1024*1024L, 80, 1024L*1024L*1024L, MALLOC_OVERHEAD, 1024, 0}, {"max_binlog_cache_size", OPT_MAX_BINLOG_CACHE_SIZE, "Can be used to restrict the total size used to cache a multi-transaction query.", (gptr*) &max_binlog_cache_size, (gptr*) &max_binlog_cache_size, 0, GET_ULONG, REQUIRED_ARG, ~0L, IO_SIZE, ~0L, 0, IO_SIZE, 0}, {"max_binlog_size", OPT_MAX_BINLOG_SIZE, "Binary log will be rotated automatically when the size crosses the limit.", (gptr*) &max_binlog_size, (gptr*) &max_binlog_size, 0, GET_ULONG, REQUIRED_ARG, 1024*1024L*1024L, 1024, 1024*1024L*1024L, 0, 1, 0}, {"max_connections", OPT_MAX_CONNECTIONS, "The number of simultaneous clients allowed.", (gptr*) &max_connections, (gptr*) &max_connections, 0, GET_ULONG, REQUIRED_ARG, 100, 1, 16384, 0, 1, 0}, {"max_connect_errors", OPT_MAX_CONNECT_ERRORS, "If there is more than this number of interrupted connections from a host this host will be blocked from further connections.", (gptr*) &max_connect_errors, (gptr*) &max_connect_errors, 0, GET_ULONG, REQUIRED_ARG, MAX_CONNECT_ERRORS, 1, ~0L, 0, 1, 0}, {"max_delayed_threads", OPT_MAX_DELAYED_THREADS, "Don't start more than this number of threads to handle INSERT DELAYED statements. This option does not yet have effect (on TODO), unless it is set to zero, which means INSERT DELAYED is not used.", (gptr*) &max_insert_delayed_threads, (gptr*) &max_insert_delayed_threads, 0, GET_ULONG, REQUIRED_ARG, 20, 0, 16384, 0, 1, 0}, {"max_heap_table_size", OPT_MAX_HEP_TABLE_SIZE, "Don't allow creation of heap tables bigger than this.", (gptr*) &global_system_variables.max_heap_table_size, (gptr*) &max_system_variables.max_heap_table_size, 0, GET_ULONG, REQUIRED_ARG, 16*1024*1024L, 16384, ~0L, MALLOC_OVERHEAD, 1024, 0}, {"max_join_size", OPT_MAX_JOIN_SIZE, "Joins that are probably going to read more than max_join_size records return an error.", (gptr*) &global_system_variables.max_join_size, (gptr*) &max_system_variables.max_join_size, 0, GET_HA_ROWS, REQUIRED_ARG, ~0L, 1, ~0L, 0, 1, 0}, {"max_sort_length", OPT_MAX_SORT_LENGTH, "The number of bytes to use when sorting BLOB or TEXT values (only the first max_sort_length bytes of each value are used; the rest are ignored).", (gptr*) &global_system_variables.max_sort_length, (gptr*) &max_system_variables.max_sort_length, 0, GET_ULONG, REQUIRED_ARG, 1024, 4, 8192*1024L, 0, 1, 0}, {"max_tmp_tables", OPT_MAX_TMP_TABLES, "Maximum number of temporary tables a client can keep open at a time.", (gptr*) &global_system_variables.max_tmp_tables, (gptr*) &max_system_variables.max_tmp_tables, 0, GET_ULONG, REQUIRED_ARG, 32, 1, ~0L, 0, 1, 0}, {"max_user_connections", OPT_MAX_USER_CONNECTIONS, "The maximum number of active connections for a single user (0 = no limit).", (gptr*) &max_user_connections, (gptr*) &max_user_connections, 0, GET_ULONG, REQUIRED_ARG, 0, 1, ~0L, 0, 1, 0}, {"max_write_lock_count", OPT_MAX_WRITE_LOCK_COUNT, "After this many write locks, allow some read locks to run in between.", (gptr*) &max_write_lock_count, (gptr*) &max_write_lock_count, 0, GET_ULONG, REQUIRED_ARG, ~0L, 1, ~0L, 0, 1, 0}, {"bulk_insert_buffer_size", OPT_BULK_INSERT_BUFFER_SIZE, "Size of tree cache used in bulk insert optimisation. Note that this is a limit per thread!", (gptr*) &global_system_variables.bulk_insert_buff_size, (gptr*) &max_system_variables.bulk_insert_buff_size, 0, GET_ULONG, REQUIRED_ARG, 8192*1024, 0, ~0L, 0, 1, 0}, {"myisam_block_size", OPT_MYISAM_BLOCK_SIZE, "Block size to be used for MyISAM index pages", (gptr*) &opt_myisam_block_size, (gptr*) &opt_myisam_block_size, 0, GET_ULONG, REQUIRED_ARG, MI_KEY_BLOCK_LENGTH, MI_MIN_KEY_BLOCK_LENGTH, MI_MAX_KEY_BLOCK_LENGTH, 0, MI_MIN_KEY_BLOCK_LENGTH, 0}, {"myisam_max_extra_sort_file_size", OPT_MYISAM_MAX_EXTRA_SORT_FILE_SIZE, "Used to help MySQL to decide when to use the slow but safe key cache index create method", (gptr*) &global_system_variables.myisam_max_extra_sort_file_size, (gptr*) &max_system_variables.myisam_max_extra_sort_file_size, 0, GET_ULL, REQUIRED_ARG, (ulonglong) MI_MAX_TEMP_LENGTH, 0, ~0L, 0, 1, 0}, {"myisam_max_sort_file_size", OPT_MYISAM_MAX_SORT_FILE_SIZE, "Don't use the fast sort index method to created index if the temporary file would get bigger than this!", (gptr*) &global_system_variables.myisam_max_sort_file_size, (gptr*) &max_system_variables.myisam_max_sort_file_size, 0, GET_ULL, REQUIRED_ARG, (longlong) LONG_MAX, 0, ~0L, 0, 1024*1024, 0}, {"myisam_sort_buffer_size", OPT_MYISAM_SORT_BUFFER_SIZE, "The buffer that is allocated when sorting the index when doing a REPAIR or when creating indexes with CREATE INDEX or ALTER TABLE.", (gptr*) &global_system_variables.myisam_sort_buff_size, (gptr*) &max_system_variables.myisam_sort_buff_size, 0, GET_ULONG, REQUIRED_ARG, 8192*1024, 4, ~0L, 0, 1, 0}, {"net_buffer_length", OPT_NET_BUFFER_LENGTH, "Buffer length for TCP/IP and socket communication.", (gptr*) &global_system_variables.net_buffer_length, (gptr*) &max_system_variables.net_buffer_length, 0, GET_ULONG, REQUIRED_ARG, 16384, 1024, 1024*1024L, 0, 1024, 0}, {"net_retry_count", OPT_NET_RETRY_COUNT, "If a read on a communication port is interrupted, retry this many times before giving up.", (gptr*) &global_system_variables.net_retry_count, (gptr*) &max_system_variables.net_retry_count,0, GET_ULONG, REQUIRED_ARG, MYSQLD_NET_RETRY_COUNT, 1, ~0L, 0, 1, 0}, {"net_read_timeout", OPT_NET_READ_TIMEOUT, "Number of seconds to wait for more data from a connection before aborting the read.", (gptr*) &global_system_variables.net_read_timeout, (gptr*) &max_system_variables.net_read_timeout, 0, GET_ULONG, REQUIRED_ARG, NET_READ_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0}, {"net_write_timeout", OPT_NET_WRITE_TIMEOUT, "Number of seconds to wait for a block to be written to a connection before aborting the write.", (gptr*) &global_system_variables.net_write_timeout, (gptr*) &max_system_variables.net_write_timeout, 0, GET_ULONG, REQUIRED_ARG, NET_WRITE_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0}, {"open_files_limit", OPT_OPEN_FILES_LIMIT, "If this is not 0, then mysqld will use this value to reserve file descriptors to use with setrlimit(). If this value is 0 then mysqld will reserve max_connections*5 or max_connections + table_cache*2 (whichever is larger) number of files.", (gptr*) &open_files_limit, (gptr*) &open_files_limit, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 65535, 0, 1, 0}, #ifdef HAVE_QUERY_CACHE {"query_cache_limit", OPT_QUERY_CACHE_LIMIT, "Don't cache results that are bigger than this.", (gptr*) &query_cache_limit, (gptr*) &query_cache_limit, 0, GET_ULONG, REQUIRED_ARG, 1024*1024L, 0, (longlong) ULONG_MAX, 0, 1, 0}, #endif /*HAVE_QUERY_CACHE*/ {"query_cache_size", OPT_QUERY_CACHE_SIZE, "The memory allocated to store results from old queries.", (gptr*) &query_cache_size, (gptr*) &query_cache_size, 0, GET_ULONG, REQUIRED_ARG, 0, 0, (longlong) ULONG_MAX, 0, 1024, 0}, #ifdef HAVE_QUERY_CACHE {"query_cache_type", OPT_QUERY_CACHE_TYPE, "0 = OFF = Don't cache or retrieve results. 1 = ON = Cache all results except SELECT SQL_NO_CACHE ... queries. 2 = DEMAND = Cache only SELECT SQL_CACHE ... queries.", (gptr*) &global_system_variables.query_cache_type, (gptr*) &max_system_variables.query_cache_type, 0, GET_ULONG, REQUIRED_ARG, 1, 0, 2, 0, 1, 0}, #endif /*HAVE_QUERY_CACHE*/ {"read_buffer_size", OPT_RECORD_BUFFER, "Each thread that does a sequential scan allocates a buffer of this size for each table it scans. If you do many sequential scans, you may want to increase this value.", (gptr*) &global_system_variables.read_buff_size, (gptr*) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG, 128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD, IO_SIZE, 0}, {"read_rnd_buffer_size", OPT_RECORD_RND_BUFFER, "When reading rows in sorted order after a sort, the rows are read through this buffer to avoid a disk seeks. If not set, then it's set to the value of record_buffer.", (gptr*) &global_system_variables.read_rnd_buff_size, (gptr*) &max_system_variables.read_rnd_buff_size, 0, GET_ULONG, REQUIRED_ARG, 256*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD, IO_SIZE, 0}, {"record_buffer", OPT_RECORD_BUFFER, "Alias for read_buffer_size", (gptr*) &global_system_variables.read_buff_size, (gptr*) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG, 128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD, IO_SIZE, 0}, {"relay_log_space_limit", OPT_RELAY_LOG_SPACE_LIMIT, "Max space to use for all relay logs", (gptr*) &relay_log_space_limit, (gptr*) &relay_log_space_limit, 0, GET_ULL, REQUIRED_ARG, 0L, 0L, (longlong) ULONG_MAX, 0, 1, 0}, {"slave_compressed_protocol", OPT_SLAVE_COMPRESSED_PROTOCOL, "Use compression on master/slave protocol", (gptr*) &opt_slave_compressed_protocol, (gptr*) &opt_slave_compressed_protocol, 0, GET_BOOL, REQUIRED_ARG, 0, 0, 1, 0, 1, 0}, {"slave_net_timeout", OPT_SLAVE_NET_TIMEOUT, "Number of seconds to wait for more data from a master/slave connection before aborting the read.", (gptr*) &slave_net_timeout, (gptr*) &slave_net_timeout, 0, GET_ULONG, REQUIRED_ARG, SLAVE_NET_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0}, {"slow_launch_time", OPT_SLOW_LAUNCH_TIME, "If creating the thread takes longer than this value (in seconds), the Slow_launch_threads counter will be incremented.", (gptr*) &slow_launch_time, (gptr*) &slow_launch_time, 0, GET_ULONG, REQUIRED_ARG, 2L, 0L, LONG_TIMEOUT, 0, 1, 0}, {"sort_buffer_size", OPT_SORT_BUFFER, "Each thread that needs to do a sort allocates a buffer of this size.", (gptr*) &global_system_variables.sortbuff_size, (gptr*) &max_system_variables.sortbuff_size, 0, GET_ULONG, REQUIRED_ARG, MAX_SORT_MEMORY, MIN_SORT_MEMORY+MALLOC_OVERHEAD*2, ~0L, MALLOC_OVERHEAD, 1, 0}, {"table_cache", OPT_TABLE_CACHE, "The number of open tables for all threads.", (gptr*) &table_cache_size, (gptr*) &table_cache_size, 0, GET_ULONG, REQUIRED_ARG, 64, 1, 16384, 0, 1, 0}, {"thread_concurrency", OPT_THREAD_CONCURRENCY, "Permits the application to give the threads system a hint for the desired number of threads that should be run at the same time.", (gptr*) &concurrency, (gptr*) &concurrency, 0, GET_ULONG, REQUIRED_ARG, DEFAULT_CONCURRENCY, 1, 512, 0, 1, 0}, {"thread_cache_size", OPT_THREAD_CACHE_SIZE, "How many threads we should keep in a cache for reuse.", (gptr*) &thread_cache_size, (gptr*) &thread_cache_size, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 16384, 0, 1, 0}, {"tmp_table_size", OPT_TMP_TABLE_SIZE, "If an in-memory temporary table exceeds this size, MySQL will automatically convert it to an on-disk MyISAM table.", (gptr*) &global_system_variables.tmp_table_size, (gptr*) &max_system_variables.tmp_table_size, 0, GET_ULONG, REQUIRED_ARG, 32*1024*1024L, 1024, ~0L, 0, 1, 0}, {"thread_stack", OPT_THREAD_STACK, "The stack size for each thread.", (gptr*) &thread_stack, (gptr*) &thread_stack, 0, GET_ULONG, REQUIRED_ARG,DEFAULT_THREAD_STACK, 1024*32, ~0L, 0, 1024, 0}, {"wait_timeout", OPT_WAIT_TIMEOUT, "The number of seconds the server waits for activity on a connection before closing it", (gptr*) &global_system_variables.net_wait_timeout, (gptr*) &max_system_variables.net_wait_timeout, 0, GET_ULONG, REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0}, {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0} }; struct show_var_st status_vars[]= { {"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}, {"Com_admin_commands", (char*) &com_other, SHOW_LONG}, {"Com_alter_table", (char*) (com_stat+(uint) SQLCOM_ALTER_TABLE),SHOW_LONG}, {"Com_analyze", (char*) (com_stat+(uint) SQLCOM_ANALYZE),SHOW_LONG}, {"Com_backup_table", (char*) (com_stat+(uint) SQLCOM_BACKUP_TABLE),SHOW_LONG}, {"Com_begin", (char*) (com_stat+(uint) SQLCOM_BEGIN),SHOW_LONG}, {"Com_change_db", (char*) (com_stat+(uint) SQLCOM_CHANGE_DB),SHOW_LONG}, {"Com_change_master", (char*) (com_stat+(uint) SQLCOM_CHANGE_MASTER),SHOW_LONG}, {"Com_check", (char*) (com_stat+(uint) SQLCOM_CHECK),SHOW_LONG}, {"Com_commit", (char*) (com_stat+(uint) SQLCOM_COMMIT),SHOW_LONG}, {"Com_create_db", (char*) (com_stat+(uint) SQLCOM_CREATE_DB),SHOW_LONG}, {"Com_create_function", (char*) (com_stat+(uint) SQLCOM_CREATE_FUNCTION),SHOW_LONG}, {"Com_create_index", (char*) (com_stat+(uint) SQLCOM_CREATE_INDEX),SHOW_LONG}, {"Com_create_table", (char*) (com_stat+(uint) SQLCOM_CREATE_TABLE),SHOW_LONG}, {"Com_delete", (char*) (com_stat+(uint) SQLCOM_DELETE),SHOW_LONG}, {"Com_delete_multi", (char*) (com_stat+(uint) SQLCOM_DELETE_MULTI),SHOW_LONG}, {"Com_drop_db", (char*) (com_stat+(uint) SQLCOM_DROP_DB),SHOW_LONG}, {"Com_drop_function", (char*) (com_stat+(uint) SQLCOM_DROP_FUNCTION),SHOW_LONG}, {"Com_drop_index", (char*) (com_stat+(uint) SQLCOM_DROP_INDEX),SHOW_LONG}, {"Com_drop_table", (char*) (com_stat+(uint) SQLCOM_DROP_TABLE),SHOW_LONG}, {"Com_flush", (char*) (com_stat+(uint) SQLCOM_FLUSH),SHOW_LONG}, {"Com_grant", (char*) (com_stat+(uint) SQLCOM_GRANT),SHOW_LONG}, {"Com_ha_close", (char*) (com_stat+(uint) SQLCOM_HA_CLOSE),SHOW_LONG}, {"Com_ha_open", (char*) (com_stat+(uint) SQLCOM_HA_OPEN),SHOW_LONG}, {"Com_ha_read", (char*) (com_stat+(uint) SQLCOM_HA_READ),SHOW_LONG}, {"Com_insert", (char*) (com_stat+(uint) SQLCOM_INSERT),SHOW_LONG}, {"Com_insert_select", (char*) (com_stat+(uint) SQLCOM_INSERT_SELECT),SHOW_LONG}, {"Com_kill", (char*) (com_stat+(uint) SQLCOM_KILL),SHOW_LONG}, {"Com_load", (char*) (com_stat+(uint) SQLCOM_LOAD),SHOW_LONG}, {"Com_load_master_data", (char*) (com_stat+(uint) SQLCOM_LOAD_MASTER_DATA),SHOW_LONG}, {"Com_load_master_table", (char*) (com_stat+(uint) SQLCOM_LOAD_MASTER_TABLE),SHOW_LONG}, {"Com_lock_tables", (char*) (com_stat+(uint) SQLCOM_LOCK_TABLES),SHOW_LONG}, {"Com_optimize", (char*) (com_stat+(uint) SQLCOM_OPTIMIZE),SHOW_LONG}, {"Com_purge", (char*) (com_stat+(uint) SQLCOM_PURGE),SHOW_LONG}, {"Com_rename_table", (char*) (com_stat+(uint) SQLCOM_RENAME_TABLE),SHOW_LONG}, {"Com_repair", (char*) (com_stat+(uint) SQLCOM_REPAIR),SHOW_LONG}, {"Com_replace", (char*) (com_stat+(uint) SQLCOM_REPLACE),SHOW_LONG}, {"Com_replace_select", (char*) (com_stat+(uint) SQLCOM_REPLACE_SELECT),SHOW_LONG}, {"Com_reset", (char*) (com_stat+(uint) SQLCOM_RESET),SHOW_LONG}, {"Com_restore_table", (char*) (com_stat+(uint) SQLCOM_RESTORE_TABLE),SHOW_LONG}, {"Com_revoke", (char*) (com_stat+(uint) SQLCOM_REVOKE),SHOW_LONG}, {"Com_rollback", (char*) (com_stat+(uint) SQLCOM_ROLLBACK),SHOW_LONG}, {"Com_select", (char*) (com_stat+(uint) SQLCOM_SELECT),SHOW_LONG}, {"Com_set_option", (char*) (com_stat+(uint) SQLCOM_SET_OPTION),SHOW_LONG}, {"Com_show_binlog_events", (char*) (com_stat+(uint) SQLCOM_SHOW_BINLOG_EVENTS),SHOW_LONG}, {"Com_show_binlogs", (char*) (com_stat+(uint) SQLCOM_SHOW_BINLOGS),SHOW_LONG}, {"Com_show_create", (char*) (com_stat+(uint) SQLCOM_SHOW_CREATE),SHOW_LONG}, {"Com_show_databases", (char*) (com_stat+(uint) SQLCOM_SHOW_DATABASES),SHOW_LONG}, {"Com_show_fields", (char*) (com_stat+(uint) SQLCOM_SHOW_FIELDS),SHOW_LONG}, {"Com_show_grants", (char*) (com_stat+(uint) SQLCOM_SHOW_GRANTS),SHOW_LONG}, {"Com_show_keys", (char*) (com_stat+(uint) SQLCOM_SHOW_KEYS),SHOW_LONG}, {"Com_show_logs", (char*) (com_stat+(uint) SQLCOM_SHOW_LOGS),SHOW_LONG}, {"Com_show_master_status", (char*) (com_stat+(uint) SQLCOM_SHOW_MASTER_STAT),SHOW_LONG}, {"Com_show_new_master", (char*) (com_stat+(uint) SQLCOM_SHOW_NEW_MASTER),SHOW_LONG}, {"Com_show_open_tables", (char*) (com_stat+(uint) SQLCOM_SHOW_OPEN_TABLES),SHOW_LONG}, {"Com_show_processlist", (char*) (com_stat+(uint) SQLCOM_SHOW_PROCESSLIST),SHOW_LONG}, {"Com_show_slave_hosts", (char*) (com_stat+(uint) SQLCOM_SHOW_SLAVE_HOSTS),SHOW_LONG}, {"Com_show_slave_status", (char*) (com_stat+(uint) SQLCOM_SHOW_SLAVE_STAT),SHOW_LONG}, {"Com_show_status", (char*) (com_stat+(uint) SQLCOM_SHOW_STATUS),SHOW_LONG}, {"Com_show_innodb_status", (char*) (com_stat+(uint) SQLCOM_SHOW_INNODB_STATUS),SHOW_LONG}, {"Com_show_tables", (char*) (com_stat+(uint) SQLCOM_SHOW_TABLES),SHOW_LONG}, {"Com_show_variables", (char*) (com_stat+(uint) SQLCOM_SHOW_VARIABLES),SHOW_LONG}, {"Com_slave_start", (char*) (com_stat+(uint) SQLCOM_SLAVE_START),SHOW_LONG}, {"Com_slave_stop", (char*) (com_stat+(uint) SQLCOM_SLAVE_STOP),SHOW_LONG}, {"Com_truncate", (char*) (com_stat+(uint) SQLCOM_TRUNCATE),SHOW_LONG}, {"Com_unlock_tables", (char*) (com_stat+(uint) SQLCOM_UNLOCK_TABLES),SHOW_LONG}, {"Com_update", (char*) (com_stat+(uint) SQLCOM_UPDATE),SHOW_LONG}, {"Connections", (char*) &thread_id, SHOW_LONG_CONST}, {"Created_tmp_disk_tables", (char*) &created_tmp_disk_tables,SHOW_LONG}, {"Created_tmp_tables", (char*) &created_tmp_tables, SHOW_LONG}, {"Created_tmp_files", (char*) &my_tmp_file_created, SHOW_LONG}, {"Delayed_insert_threads", (char*) &delayed_insert_threads, SHOW_LONG_CONST}, {"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_commit", (char*) &ha_commit_count, SHOW_LONG}, {"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_rollback", (char*) &ha_rollback_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_LONG_CONST}, {"Open_streams", (char*) &my_stream_opened, SHOW_LONG_CONST}, {"Opened_tables", (char*) &opened_tables, SHOW_LONG}, {"Questions", (char*) 0, SHOW_QUESTION}, #ifdef HAVE_QUERY_CACHE {"Qcache_queries_in_cache", (char*) &query_cache.queries_in_cache, SHOW_LONG_CONST}, {"Qcache_inserts", (char*) &query_cache.inserts, SHOW_LONG}, {"Qcache_hits", (char*) &query_cache.hits, SHOW_LONG}, {"Qcache_lowmem_prunes", (char*) &query_cache.lowmem_prunes, SHOW_LONG}, {"Qcache_not_cached", (char*) &query_cache.refused, SHOW_LONG}, {"Qcache_free_memory", (char*) &query_cache.free_memory, SHOW_LONG_CONST}, {"Qcache_free_blocks", (char*) &query_cache.free_memory_blocks, SHOW_LONG_CONST}, {"Qcache_total_blocks", (char*) &query_cache.total_blocks, SHOW_LONG_CONST}, #endif /*HAVE_QUERY_CACHE*/ {"Rpl_status", (char*) 0, SHOW_RPL_STATUS}, {"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_open_temp_tables", (char*) &slave_open_temp_tables, SHOW_LONG}, {"Slave_running", (char*) 0, SHOW_SLAVE_RUNNING}, {"Slow_launch_threads", (char*) &slow_launch_threads, SHOW_LONG}, {"Slow_queries", (char*) &long_query_count, SHOW_LONG}, {"Sort_merge_passes", (char*) &filesort_merge_passes, SHOW_LONG}, {"Sort_range", (char*) &filesort_range_count, SHOW_LONG}, {"Sort_rows", (char*) &filesort_rows, SHOW_LONG}, {"Sort_scan", (char*) &filesort_scan_count, SHOW_LONG}, #ifdef HAVE_OPENSSL {"Ssl_accepts", (char*) 0, SHOW_SSL_CTX_SESS_ACCEPT}, {"Ssl_finished_accepts", (char*) 0, SHOW_SSL_CTX_SESS_ACCEPT_GOOD}, {"Ssl_finished_connects", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT_GOOD}, {"Ssl_accept_renegotiates", (char*) 0, SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE}, {"Ssl_connect_renegotiates", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE}, {"Ssl_callback_cache_hits", (char*) 0, SHOW_SSL_CTX_SESS_CB_HITS}, {"Ssl_session_cache_hits", (char*) 0, SHOW_SSL_CTX_SESS_HITS}, {"Ssl_session_cache_misses", (char*) 0, SHOW_SSL_CTX_SESS_MISSES}, {"Ssl_session_cache_timeouts", (char*) 0, SHOW_SSL_CTX_SESS_TIMEOUTS}, {"Ssl_used_session_cache_entries",(char*) 0, SHOW_SSL_CTX_SESS_NUMBER}, {"Ssl_client_connects", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT}, {"Ssl_session_cache_overflows", (char*) 0, SHOW_SSL_CTX_SESS_CACHE_FULL}, {"Ssl_session_cache_size", (char*) 0, SHOW_SSL_CTX_SESS_GET_CACHE_SIZE}, {"Ssl_session_cache_mode", (char*) 0, SHOW_SSL_CTX_GET_SESSION_CACHE_MODE}, {"Ssl_sessions_reused", (char*) 0, SHOW_SSL_SESSION_REUSED}, {"Ssl_ctx_verify_mode", (char*) 0, SHOW_SSL_CTX_GET_VERIFY_MODE}, {"Ssl_ctx_verify_depth", (char*) 0, SHOW_SSL_CTX_GET_VERIFY_DEPTH}, {"Ssl_verify_mode", (char*) 0, SHOW_SSL_GET_VERIFY_MODE}, {"Ssl_verify_depth", (char*) 0, SHOW_SSL_GET_VERIFY_DEPTH}, {"Ssl_version", (char*) 0, SHOW_SSL_GET_VERSION}, {"Ssl_cipher", (char*) 0, SHOW_SSL_GET_CIPHER}, {"Ssl_cipher_list", (char*) 0, SHOW_SSL_GET_CIPHER_LIST}, {"Ssl_default_timeout", (char*) 0, SHOW_SSL_GET_DEFAULT_TIMEOUT}, #endif /* HAVE_OPENSSL */ {"Table_locks_immediate", (char*) &locks_immediate, SHOW_LONG}, {"Table_locks_waited", (char*) &locks_waited, SHOW_LONG}, {"Threads_cached", (char*) &cached_thread_count, SHOW_LONG_CONST}, {"Threads_created", (char*) &thread_created, SHOW_LONG_CONST}, {"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} }; static void print_version(void) { printf("%s Ver %s for %s on %s\n",my_progname, server_version,SYSTEM_TYPE,MACHINE_TYPE); } static void use_help(void) { print_version(); printf("Use '--help' or '--no-defaults --help' for a list of available options\n"); } static void usage(void) { print_version(); puts("\ Copyright (C) 2000 MySQL AB, by Monty and others\n\ This software comes with ABSOLUTELY NO WARRANTY. This is free software,\n\ and you are welcome to modify and redistribute it under the GPL license\n\ Starts the MySQL server\n"); printf("Usage: %s [OPTIONS]\n", my_progname); #ifdef __WIN__ puts("NT and Win32 specific options:\n\ --install Install the default service (NT)\n\ --install-manual Install the default service started manually (NT)\n\ --install service_name Install an optional service (NT)\n\ --install-manual service_name Install an optional service started manually (NT)\n\ --remove Remove the default service from the service list (NT)\n\ --remove service_name Remove the service_name from the service list (NT)\n\ --enable-named-pipe Only to be used for the default server (NT)\n\ --standalone Dummy option to start as a standalone server (NT)\ "); puts(""); #endif print_defaults(MYSQL_CONFIG_NAME,load_default_groups); puts(""); fix_paths(); set_ports(); my_print_help(my_long_options); my_print_variables(my_long_options); puts("\n\ To see what values a running MySQL server is using, type\n\ 'mysqladmin variables' instead of 'mysqld --help'."); } static void set_options(void) { #if !defined( my_pthread_setprio ) && !defined( HAVE_PTHREAD_SETSCHEDPARAM ) opt_specialflag |= SPECIAL_NO_PRIOR; #endif sys_charset.value= (char*) MYSQL_CHARSET; (void) strmake(language, LANGUAGE, sizeof(language)-1); (void) strmake(mysql_real_data_home, get_relative_path(DATADIR), sizeof(mysql_real_data_home)-1); /* Set default values for some variables */ global_system_variables.table_type=DB_TYPE_MYISAM; global_system_variables.tx_isolation=ISO_REPEATABLE_READ; global_system_variables.select_limit= HA_POS_ERROR; max_system_variables.select_limit= HA_POS_ERROR; global_system_variables.max_join_size= HA_POS_ERROR; max_system_variables.max_join_size= HA_POS_ERROR; #if defined(__WIN__) || defined(__NETWARE__) /* Allow Win32 and NetWare 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) strmake(mysql_home, tmpenv, sizeof(mysql_home)-1); #endif my_disable_locking=myisam_single_user= 1; opt_external_locking=0; my_bind_addr = htonl( INADDR_ANY ); } extern "C" my_bool get_one_option(int optid, const struct my_option *opt __attribute__((unused)), char *argument) { switch(optid) { case '#': #ifndef DBUG_OFF DBUG_PUSH(argument ? argument : default_dbug_option); #endif opt_endinfo=1; /* unireg: memory allocation */ break; case 'a': opt_sql_mode = (MODE_REAL_AS_FLOAT | MODE_PIPES_AS_CONCAT | MODE_ANSI_QUOTES | MODE_IGNORE_SPACE | MODE_SERIALIZABLE | MODE_ONLY_FULL_GROUP_BY); global_system_variables.tx_isolation= ISO_SERIALIZABLE; break; case 'b': strmake(mysql_home,argument,sizeof(mysql_home)-1); break; case 'l': opt_log=1; break; case 'h': strmake(mysql_real_data_home,argument, sizeof(mysql_real_data_home)-1); /* Correct pointer set by my_getopt (for embedded library) */ mysql_data_home= mysql_real_data_home; break; case 'u': if (!mysqld_user) mysqld_user= argument; else fprintf(stderr, "Warning: Ignoring user change to '%s' because the user was set to '%s' earlier on the command line\n", argument, mysqld_user); break; case 'L': strmake(language, argument, sizeof(language)-1); break; case 'o': protocol_version=PROTOCOL_VERSION-1; break; case OPT_SLAVE_SKIP_ERRORS: init_slave_skip_errors(argument); break; case OPT_SAFEMALLOC_MEM_LIMIT: #if !defined(DBUG_OFF) && defined(SAFEMALLOC) safemalloc_mem_limit = atoi(argument); #endif break; #ifdef EMBEDDED_LIBRARY case OPT_MAX_ALLOWED_PACKET: max_allowed_packet= atoi(argument); break; case OPT_NET_BUFFER_LENGTH: net_buffer_length= atoi(argument); break; #endif #include <sslopt-case.h> case 'v': case 'V': print_version(); exit(0); case 'I': case '?': usage(); exit(0); case 'T': test_flags= argument ? (uint) atoi(argument) : 0; test_flags&= ~TEST_NO_THREADS; opt_endinfo=1; break; case (int) OPT_BIG_TABLES: thd_startup_options|=OPTION_BIG_TABLES; break; case (int) OPT_ISAM_LOG: opt_myisam_log=1; break; case (int) OPT_UPDATE_LOG: opt_update_log=1; break; case (int) OPT_BIN_LOG: opt_bin_log=1; break; case (int) OPT_ERROR_LOG_FILE: opt_error_log= 1; break; case (int) OPT_INIT_RPL_ROLE: { int role; if ((role=find_type(argument, &rpl_role_typelib, 2)) <= 0) { fprintf(stderr, "Unknown replication role: %s\n", argument); exit(1); } rpl_status = (role == 1) ? RPL_AUTH_MASTER : RPL_IDLE_SLAVE; break; } case (int)OPT_REPLICATE_IGNORE_DB: { i_string *db = new i_string(argument); replicate_ignore_db.push_back(db); break; } case (int)OPT_REPLICATE_DO_DB: { i_string *db = new i_string(argument); replicate_do_db.push_back(db); break; } case (int)OPT_REPLICATE_REWRITE_DB: { char* key = argument,*p, *val; if (!(p= strstr(argument, "->"))) { fprintf(stderr, "Bad syntax in replicate-rewrite-db - missing '->'!\n"); exit(1); } val= p--; while (isspace(*p) && p > argument) *p-- = 0; if (p == argument) { fprintf(stderr, "Bad syntax in replicate-rewrite-db - empty FROM db!\n"); exit(1); } *val= 0; val+= 2; while (*val && isspace(*val)) *val++; if (!*val) { fprintf(stderr, "Bad syntax in replicate-rewrite-db - empty TO db!\n"); exit(1); } i_string_pair *db_pair = new i_string_pair(key, val); replicate_rewrite_db.push_back(db_pair); break; } case (int)OPT_BINLOG_IGNORE_DB: { i_string *db = new i_string(argument); binlog_ignore_db.push_back(db); break; } case (int)OPT_BINLOG_DO_DB: { i_string *db = new i_string(argument); binlog_do_db.push_back(db); break; } case (int)OPT_REPLICATE_DO_TABLE: { if (!do_table_inited) init_table_rule_hash(&replicate_do_table, &do_table_inited); if (add_table_rule(&replicate_do_table, argument)) { fprintf(stderr, "Could not add do table rule '%s'!\n", argument); exit(1); } table_rules_on = 1; break; } case (int)OPT_REPLICATE_WILD_DO_TABLE: { if (!wild_do_table_inited) init_table_rule_array(&replicate_wild_do_table, &wild_do_table_inited); if (add_wild_table_rule(&replicate_wild_do_table, argument)) { fprintf(stderr, "Could not add do table rule '%s'!\n", argument); exit(1); } table_rules_on = 1; break; } case (int)OPT_REPLICATE_WILD_IGNORE_TABLE: { if (!wild_ignore_table_inited) init_table_rule_array(&replicate_wild_ignore_table, &wild_ignore_table_inited); if (add_wild_table_rule(&replicate_wild_ignore_table, argument)) { fprintf(stderr, "Could not add ignore table rule '%s'!\n", argument); exit(1); } table_rules_on = 1; break; } case (int)OPT_REPLICATE_IGNORE_TABLE: { if (!ignore_table_inited) init_table_rule_hash(&replicate_ignore_table, &ignore_table_inited); if (add_table_rule(&replicate_ignore_table, argument)) { fprintf(stderr, "Could not add ignore table rule '%s'!\n", argument); exit(1); } table_rules_on = 1; break; } case (int) OPT_SLOW_QUERY_LOG: opt_slow_log=1; break; case (int)OPT_RECKLESS_SLAVE: opt_reckless_slave = 1; init_slave_skip_errors("all"); break; case (int) OPT_SKIP_NEW: opt_specialflag|= SPECIAL_NO_NEW_FUNC; delay_key_write_options= (uint) DELAY_KEY_WRITE_NONE; myisam_concurrent_insert=0; myisam_recover_options= HA_RECOVER_NONE; my_disable_symlinks=1; my_use_symdir=0; have_symlink=SHOW_OPTION_DISABLED; ha_open_options&= ~(HA_OPEN_ABORT_IF_CRASHED | HA_OPEN_DELAY_KEY_WRITE); #ifdef HAVE_QUERY_CACHE query_cache_size=0; #endif break; case (int) OPT_SAFE: opt_specialflag|= SPECIAL_SAFE_MODE; delay_key_write_options= (uint) DELAY_KEY_WRITE_NONE; myisam_recover_options= HA_RECOVER_DEFAULT; ha_open_options&= ~(HA_OPEN_DELAY_KEY_WRITE); break; case (int) OPT_SKIP_PRIOR: opt_specialflag|= SPECIAL_NO_PRIOR; break; case (int) OPT_SKIP_LOCK: opt_external_locking=0; break; case (int) OPT_SKIP_HOST_CACHE: opt_specialflag|= SPECIAL_NO_HOST_CACHE; break; case (int) OPT_SKIP_RESOLVE: opt_specialflag|=SPECIAL_NO_RESOLVE; break; case (int) OPT_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; break; #ifdef ONE_THREAD case (int) OPT_ONE_THREAD: test_flags |= TEST_NO_THREADS; #endif break; case (int) OPT_WANT_CORE: test_flags |= TEST_CORE_ON_SIGNAL; break; case (int) OPT_SKIP_STACK_TRACE: test_flags|=TEST_NO_STACKTRACE; break; case (int) OPT_SKIP_SYMLINKS: my_disable_symlinks=1; my_use_symdir=0; have_symlink=SHOW_OPTION_DISABLED; break; case (int) OPT_BIND_ADDRESS: if (argument && isdigit(argument[0])) { my_bind_addr = (ulong) inet_addr(argument); } else { struct hostent *ent; if (argument || argument[0]) ent=gethostbyname(argument); 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: strmake(pidfile_name, argument, sizeof(pidfile_name)-1); break; #ifdef __WIN__ case (int) OPT_STANDALONE: /* Dummy option for NT */ break; #endif case OPT_CONSOLE: if (opt_console) opt_error_log= 0; // Force logs to stdout break; case (int) OPT_FLUSH: #ifdef HAVE_ISAM nisam_flush=1; #endif myisam_flush=1; flush_time=0; // No auto flush break; case OPT_LOW_PRIORITY_UPDATES: thr_upgraded_concurrent_insert_lock= TL_WRITE_LOW_PRIORITY; global_system_variables.low_priority_updates=1; break; case OPT_BOOTSTRAP: opt_noacl=opt_bootstrap=1; break; case OPT_TABLE_TYPE: { int type; if ((type=find_type(argument, &ha_table_typelib, 2)) <= 0) { fprintf(stderr,"Unknown table type: %s\n",argument); exit(1); } global_system_variables.table_type= type-1; break; } case OPT_SERVER_ID: server_id_supplied = 1; break; case OPT_DELAY_KEY_WRITE_ALL: if (argument != disabled_my_option) argument= (char*) "ALL"; /* Fall through */ case OPT_DELAY_KEY_WRITE: if (argument == disabled_my_option) delay_key_write_options= (uint) DELAY_KEY_WRITE_NONE; else if (! argument) delay_key_write_options= (uint) DELAY_KEY_WRITE_ON; else { int type; if ((type=find_type(argument, &delay_key_write_typelib, 2)) <= 0) { fprintf(stderr,"Unknown delay_key_write type: %s\n",argument); exit(1); } delay_key_write_options= (uint) type-1; } break; case OPT_CHARSETS_DIR: strmake(mysql_charsets_dir, argument, sizeof(mysql_charsets_dir)-1); charsets_dir = mysql_charsets_dir; break; case OPT_TX_ISOLATION: { int type; if ((type=find_type(argument, &tx_isolation_typelib, 2)) <= 0) { fprintf(stderr,"Unknown transaction isolation type: %s\n",argument); exit(1); } global_system_variables.tx_isolation= (type-1); break; } #ifdef HAVE_BERKELEY_DB case OPT_BDB_NOSYNC: berkeley_env_flags|=DB_TXN_NOSYNC; break; case OPT_BDB_NO_RECOVER: berkeley_init_flags&= ~(DB_RECOVER); break; case OPT_BDB_LOCK: { int type; if ((type=find_type(argument, &berkeley_lock_typelib, 2)) > 0) berkeley_lock_type=berkeley_lock_types[type-1]; else { if (test_if_int(argument,(uint) strlen(argument))) berkeley_lock_scan_time=atoi(argument); else { fprintf(stderr,"Unknown lock type: %s\n",argument); exit(1); } } break; } case OPT_BDB_SHARED: berkeley_init_flags&= ~(DB_PRIVATE); berkeley_shared_data=1; break; #endif /* HAVE_BERKELEY_DB */ case OPT_BDB_SKIP: #ifdef HAVE_BERKELEY_DB berkeley_skip=1; have_berkeley_db=SHOW_OPTION_DISABLED; #endif break; case OPT_INNODB_SKIP: #ifdef HAVE_INNOBASE_DB innodb_skip=1; have_innodb=SHOW_OPTION_DISABLED; #endif break; case OPT_INNODB_DATA_FILE_PATH: #ifdef HAVE_INNOBASE_DB innobase_data_file_path=argument; #endif break; #ifdef HAVE_INNOBASE_DB case OPT_INNODB_LOG_ARCHIVE: innobase_log_archive= argument ? test(atoi(argument)) : 1; break; case OPT_INNODB_FAST_SHUTDOWN: innobase_fast_shutdown= argument ? test(atoi(argument)) : 1; break; #endif /* HAVE_INNOBASE_DB */ case OPT_MYISAM_RECOVER: { if (!argument || !argument[0]) { myisam_recover_options= HA_RECOVER_DEFAULT; myisam_recover_options_str= myisam_recover_typelib.type_names[0]; } else { myisam_recover_options_str=argument; if ((myisam_recover_options= find_bit_type(argument, &myisam_recover_typelib)) == ~(ulong) 0) { fprintf(stderr, "Unknown option to myisam-recover: %s\n",argument); exit(1); } } ha_open_options|=HA_OPEN_ABORT_IF_CRASHED; break; } case OPT_SQL_MODE: { sql_mode_str = argument; if ((opt_sql_mode = find_bit_type(argument, &sql_mode_typelib)) == ~(ulong) 0) { fprintf(stderr, "Unknown option to sql-mode: %s\n", argument); exit(1); } global_system_variables.tx_isolation= ((opt_sql_mode & MODE_SERIALIZABLE) ? ISO_SERIALIZABLE : ISO_REPEATABLE_READ); break; } case OPT_MASTER_PASSWORD: master_password=argument; break; case OPT_SKIP_SAFEMALLOC: #ifdef SAFEMALLOC sf_malloc_quick=1; #endif break; } return 0; } /* Initiates DEBUG - but no debugging here ! */ static void get_options(int argc,char **argv) { int ho_error; if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option))) exit(ho_error); #if defined(HAVE_BROKEN_REALPATH) my_use_symdir=0; my_disable_symlinks=1; have_symlink=SHOW_OPTION_NO; #else if (!my_use_symdir) { my_disable_symlinks=1; have_symlink=SHOW_OPTION_DISABLED; } #endif /* Set global MyISAM variables from delay_key_write_options */ fix_delay_key_write((THD*) 0, OPT_GLOBAL); if (mysqld_chroot) set_root(mysqld_chroot); fix_paths(); /* Set some global variables from the global_system_variables In most cases the global variables will not be used */ my_disable_locking= myisam_single_user= test(opt_external_locking == 0); my_default_record_cache_size=global_system_variables.read_buff_size; myisam_max_temp_length= (my_off_t) min(global_system_variables.myisam_max_sort_file_size, (ulonglong) MAX_FILE_SIZE); myisam_max_extra_temp_length= (my_off_t) min(global_system_variables.myisam_max_extra_sort_file_size, (ulonglong) MAX_FILE_SIZE); /* Set global variables based on startup options */ myisam_block_size=(uint) 1 << my_bit_log2(opt_myisam_block_size); } static char *get_relative_path(const char *path) { if (test_if_hard_path(path) && is_prefix(path,DEFAULT_MYSQL_HOME) && strcmp(DEFAULT_MYSQL_HOME,FN_ROOTDIR)) { path+=(uint) strlen(DEFAULT_MYSQL_HOME); while (*path == FN_LIBCHAR) path++; } return (char*) path; } /* Fix filename and replace extension where 'dir' is relative to mysql_real_data_home. Return 1 if len(path) > FN_REFLEN */ bool fn_format_relative_to_data_home(my_string to, const char *name, const char *dir, const char *extension) { char tmp_path[FN_REFLEN]; if (!test_if_hard_path(dir)) { strxnmov(tmp_path,sizeof(tmp_path)-1, mysql_real_data_home, dir, NullS); dir=tmp_path; } return !fn_format(to, name, dir, extension, MY_REPLACE_EXT | MY_UNPACK_FILENAME | MY_SAFE_PATH); } static void fix_paths(void) { char buff[FN_REFLEN],*pos; convert_dirname(mysql_home,mysql_home,NullS); /* Resolve symlinks to allow 'mysql_home' to be a relative symlink */ my_realpath(mysql_home,mysql_home,MYF(0)); /* Ensure that mysql_home ends in FN_LIBCHAR */ pos=strend(mysql_home); if (pos[-1] != FN_LIBCHAR) { pos[0]= FN_LIBCHAR; pos[1]= 0; } convert_dirname(mysql_real_data_home,mysql_real_data_home,NullS); convert_dirname(language,language,NullS); (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 *sharedir=get_relative_path(SHAREDIR); if (test_if_hard_path(sharedir)) strmake(buff,sharedir,sizeof(buff)-1); /* purecov: tested */ else strxnmov(buff,sizeof(buff)-1,mysql_home,sharedir,NullS); convert_dirname(buff,buff,NullS); (void) my_load_path(language,language,buff); /* If --character-sets-dir isn't given, use shared library dir */ if (charsets_dir != mysql_charsets_dir) { strxnmov(mysql_charsets_dir, sizeof(mysql_charsets_dir)-1, buff, CHARSET_DIR, NullS); charsets_dir=mysql_charsets_dir; } char *end=convert_dirname(buff, opt_mysql_tmpdir, NullS); if (!(mysql_tmpdir= my_memdup((byte*) buff,(uint) (end-buff)+1, MYF(MY_FAE)))) exit(1); if (!slave_load_tmpdir) { if (!(slave_load_tmpdir = (char*) my_strdup(mysql_tmpdir, MYF(MY_FAE)))) exit(1); } } #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 %lu (request: %u)", old_cur, max_file_limit); /* 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 (request: %u)", (ulong) rlimit.rlim_cur, max_file_limit); /* purecov: inspected */ max_file_limit=rlimit.rlim_cur; } } return max_file_limit; } #endif #ifdef OS2 static uint set_maximum_open_files(uint max_file_limit) { LONG cbReqCount; ULONG cbCurMaxFH, cbCurMaxFH0; APIRET ulrc; // get current limit cbReqCount = 0; DosSetRelMaxFH( &cbReqCount, &cbCurMaxFH0); // set new limit cbReqCount = max_file_limit - cbCurMaxFH0; ulrc = DosSetRelMaxFH( &cbReqCount, &cbCurMaxFH); if (ulrc) { sql_print_error("Warning: DosSetRelMaxFH couldn't increase number of open files to more than %d", cbCurMaxFH0); cbCurMaxFH = cbCurMaxFH0; } return cbCurMaxFH; } #endif /* 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; while (*pos == ' ') pos++; found_end= *pos == 0; while (!found_end) { if (!*(end=strcend(pos,','))) /* Let end point at fieldend */ { while (end > pos && end[-1] == ' ') end--; /* Skip 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; } DBUG_PRINT("exit",("bit-field: %ld",(ulong) found)); DBUG_RETURN(found); } /* find_bit_type */ /***************************************************************************** Instantiate templates *****************************************************************************/ #ifdef __GNUC__ /* Used templates */ template class I_List<THD>; template class I_List_iterator<THD>; template class I_List<i_string>; template class I_List<i_string_pair>; FIX_GCC_LINKING_PROBLEM #endif