mirror of
https://github.com/MariaDB/server.git
synced 2026-01-06 05:22:24 +03:00
Merged by hands
BitKeeper/etc/gone: auto-union BitKeeper/etc/logging_ok: auto-union BitKeeper/deleted/.del-skipkeys~207548ca813d5081: 'Auto converge rename' libmysqld/lib_sql.cc: Auto merged sql/field.h: Auto merged sql/ha_myisam.cc: Auto merged sql/item.h: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/sql_base.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_handler.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_table.cc: Auto merged
This commit is contained in:
unknown
492
sql/mysqld.cc
492
sql/mysqld.cc
@@ -1768,7 +1768,496 @@ bool open_log(MYSQL_LOG *log, const char *hostname,
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no_auto_events);
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}
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static int init_common_variables(const char *conf_file_name, int argc, char **argv,
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const char **groups)
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{
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my_umask=0660; // Default umask for new files
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my_umask_dir=0700; // Default umask for new directories
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umask(((~my_umask) & 0666));
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tzset(); // Set tzname
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start_time=time((time_t*) 0);
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#ifdef OS2
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{
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// fix timezone for daylight saving
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struct tm *ts = localtime(&start_time);
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if (ts->tm_isdst > 0)
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_timezone -= 3600;
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}
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#endif
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#ifdef HAVE_TZNAME
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#if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT)
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{
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struct tm tm_tmp;
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localtime_r(&start_time,&tm_tmp);
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strmov(time_zone,tzname[tm_tmp.tm_isdst != 0 ? 1 : 0]);
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}
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#else
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{
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struct tm *start_tm;
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start_tm=localtime(&start_time);
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strmov(time_zone,tzname[start_tm->tm_isdst != 0 ? 1 : 0]);
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}
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#endif
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#endif
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if (gethostname(glob_hostname,sizeof(glob_hostname)-4) < 0)
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strmov(glob_hostname,"mysql");
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#ifndef DBUG_OFF
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strxmov(strend(server_version),MYSQL_SERVER_SUFFIX,"-debug",NullS);
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#else
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strmov(strend(server_version),MYSQL_SERVER_SUFFIX);
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#endif
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load_defaults(conf_file_name, groups, &argc, &argv);
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defaults_argv=argv;
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set_options();
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get_options(argc,argv);
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if (opt_log || opt_update_log || opt_slow_log || opt_bin_log)
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strcat(server_version,"-log");
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DBUG_PRINT("info",("%s Ver %s for %s on %s\n",my_progname,
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server_version, SYSTEM_TYPE,MACHINE_TYPE));
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#if defined( SET_RLIMIT_NOFILE) || defined( OS2)
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/* connections and databases needs lots of files */
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{
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uint wanted_files=10+(uint) max(max_connections*5,
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max_connections+table_cache_size*2);
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set_if_bigger(wanted_files, open_files_limit);
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// Note that some system returns 0 if we succeed here:
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uint files=set_maximum_open_files(wanted_files);
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if (files && files < wanted_files && ! open_files_limit)
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{
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max_connections= (ulong) min((files-10),max_connections);
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table_cache_size= (ulong) max((files-10-max_connections)/2,64);
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DBUG_PRINT("warning",
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("Changed limits: max_connections: %ld table_cache: %ld",
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max_connections,table_cache_size));
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sql_print_error("Warning: Changed limits: max_connections: %ld table_cache: %ld",max_connections,table_cache_size);
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}
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}
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#endif
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unireg_init(opt_specialflag); /* Set up extern variabels */
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init_errmessage(); /* Read error messages from file */
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lex_init();
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item_init();
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set_var_init();
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mysys_uses_curses=0;
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#ifdef USE_REGEX
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regex_init();
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#endif
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if (set_default_charset_by_name(sys_charset.value, MYF(MY_WME)))
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return 1;
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charsets_list= list_charsets(MYF(MY_CS_COMPILED | MY_CS_CONFIG));
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if (use_temp_pool && bitmap_init(&temp_pool,1024,1))
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return 2;
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return 0;
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}
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static int init_thread_environement()
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{
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(void) pthread_mutex_init(&LOCK_mysql_create_db,MY_MUTEX_INIT_SLOW);
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(void) pthread_mutex_init(&LOCK_Acl,MY_MUTEX_INIT_SLOW);
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(void) pthread_mutex_init(&LOCK_open,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_thread_count,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_mapped_file,MY_MUTEX_INIT_SLOW);
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(void) pthread_mutex_init(&LOCK_status,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_error_log,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_delayed_insert,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_delayed_status,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_delayed_create,MY_MUTEX_INIT_SLOW);
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(void) pthread_mutex_init(&LOCK_manager,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_crypt,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_bytes_sent,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_bytes_received,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_timezone,MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_user_conn, MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_rpl_status, MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_active_mi, MY_MUTEX_INIT_FAST);
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(void) pthread_mutex_init(&LOCK_global_system_variables, MY_MUTEX_INIT_FAST);
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(void) my_rwlock_init(&LOCK_grant, NULL);
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(void) pthread_cond_init(&COND_thread_count,NULL);
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(void) pthread_cond_init(&COND_refresh,NULL);
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(void) pthread_cond_init(&COND_thread_cache,NULL);
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(void) pthread_cond_init(&COND_flush_thread_cache,NULL);
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(void) pthread_cond_init(&COND_manager,NULL);
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(void) pthread_cond_init(&COND_rpl_status, NULL);
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/* Parameter for threads created for connections */
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(void) pthread_attr_init(&connection_attrib);
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(void) pthread_attr_setdetachstate(&connection_attrib,
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PTHREAD_CREATE_DETACHED);
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pthread_attr_setstacksize(&connection_attrib,thread_stack);
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pthread_attr_setscope(&connection_attrib, PTHREAD_SCOPE_SYSTEM);
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if (pthread_key_create(&THR_THD,NULL) ||
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pthread_key_create(&THR_MALLOC,NULL))
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{
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sql_print_error("Can't create thread-keys");
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return 1;
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}
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(void) thr_setconcurrency(concurrency); // 10 by default
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return 0;
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}
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static void init_ssl()
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{
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#ifdef HAVE_OPENSSL
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if (opt_use_ssl)
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{
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/* having ssl_acceptor_fd != 0 signals the use of SSL */
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ssl_acceptor_fd= new_VioSSLAcceptorFd(opt_ssl_key, opt_ssl_cert,
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opt_ssl_ca, opt_ssl_capath,
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opt_ssl_cipher);
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DBUG_PRINT("info",("ssl_acceptor_fd: %lx", (long) ssl_acceptor_fd));
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if (!ssl_acceptor_fd)
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opt_use_ssl = 0;
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}
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if (des_key_file)
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load_des_key_file(des_key_file);
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#endif /* HAVE_OPENSSL */
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}
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static int init_server_components()
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{
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table_cache_init();
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hostname_cache_init();
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query_cache_result_size_limit(query_cache_limit);
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query_cache_resize(query_cache_size);
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randominit(&sql_rand,(ulong) start_time,(ulong) start_time/2);
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reset_floating_point_exceptions();
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init_thr_lock();
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init_slave_list();
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/* Setup log files */
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if (opt_log)
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open_log(&mysql_log, glob_hostname, opt_logname, ".log", NullS,
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LOG_NORMAL);
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if (opt_update_log)
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{
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open_log(&mysql_update_log, glob_hostname, opt_update_logname, "",
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NullS, LOG_NEW);
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using_update_log=1;
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}
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if (opt_slow_log)
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open_log(&mysql_slow_log, glob_hostname, opt_slow_logname, "-slow.log",
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NullS, LOG_NORMAL);
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if (ha_init())
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{
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sql_print_error("Can't init databases");
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return 1;
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}
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ha_key_cache();
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#if defined(HAVE_MLOCKALL) && defined(MCL_CURRENT)
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if (locked_in_memory && !geteuid())
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{
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if (mlockall(MCL_CURRENT))
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{
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sql_print_error("Warning: Failed to lock memory. Errno: %d\n",errno);
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}
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else
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locked_in_memory=1;
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}
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#else
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locked_in_memory=0;
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#endif
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if (opt_myisam_log)
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(void) mi_log( 1 );
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ft_init_stopwords(ft_precompiled_stopwords);
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init_max_user_conn();
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init_update_queries();
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if (opt_bin_log)
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{
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open_log(&mysql_bin_log, glob_hostname, opt_bin_logname, "-bin",
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opt_binlog_index_name,LOG_BIN);
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using_update_log=1;
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}
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return 0;
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}
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static void create_maintenance_thread()
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{
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if (
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#ifdef HAVE_BERKELEY_DB
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!berkeley_skip ||
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#endif
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(flush_time && flush_time != ~(ulong) 0L))
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{
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pthread_t hThread;
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if (pthread_create(&hThread,&connection_attrib,handle_manager,0))
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sql_print_error("Warning: Can't create thread to manage maintenance");
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}
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}
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static void create_shutdown_thread()
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{
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#ifdef __WIN__
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{
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hEventShutdown=CreateEvent(0, FALSE, FALSE, event_name);
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pthread_t hThread;
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if (pthread_create(&hThread,&connection_attrib,handle_shutdown,0))
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sql_print_error("Warning: Can't create thread to handle shutdown requests");
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// On "Stop Service" we have to do regular shutdown
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Service.SetShutdownEvent(hEventShutdown);
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}
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#endif
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#ifdef OS2
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{
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pthread_cond_init( &eventShutdown, NULL);
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pthread_t hThread;
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if (pthread_create(&hThread,&connection_attrib,handle_shutdown,0))
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sql_print_error("Warning: Can't create thread to handle shutdown requests");
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}
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#endif
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}
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#ifdef __NT__
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void create_named_pipe_thread()
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{
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if (hPipe == INVALID_HANDLE_VALUE &&
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(!have_tcpip || opt_disable_networking))
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{
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sql_print_error("TCP/IP or --enable-named-pipe should be configured on NT OS");
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unireg_abort(1);
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}
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else
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||||
{
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pthread_mutex_lock(&LOCK_thread_count);
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(void) pthread_cond_init(&COND_handler_count,NULL);
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||||
{
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pthread_t hThread;
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handler_count=0;
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if (hPipe != INVALID_HANDLE_VALUE && opt_enable_named_pipe)
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{
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handler_count++;
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if (pthread_create(&hThread,&connection_attrib,
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handle_connections_namedpipes, 0))
|
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{
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sql_print_error("Warning: Can't create thread to handle named pipes");
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handler_count--;
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}
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}
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if (have_tcpip && !opt_disable_networking)
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{
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handler_count++;
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if (pthread_create(&hThread,&connection_attrib,
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handle_connections_sockets, 0))
|
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{
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sql_print_error("Warning: Can't create thread to handle named pipes");
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handler_count--;
|
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}
|
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}
|
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while (handler_count > 0)
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pthread_cond_wait(&COND_handler_count,&LOCK_thread_count);
|
||||
}
|
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pthread_mutex_unlock(&LOCK_thread_count);
|
||||
}
|
||||
}
|
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#endif
|
||||
|
||||
#ifdef __WIN__
|
||||
int win_main(int argc, char **argv)
|
||||
#else
|
||||
int main(int argc, char **argv)
|
||||
#endif
|
||||
{
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||||
int init_error;
|
||||
|
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DEBUGGER_OFF;
|
||||
|
||||
#ifdef _CUSTOMSTARTUPCONFIG_
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||||
if (_cust_check_startup())
|
||||
{
|
||||
/ * _cust_check_startup will report startup failure error * /
|
||||
exit( 1 );
|
||||
}
|
||||
#endif
|
||||
|
||||
MY_INIT(argv[0]); // init my_sys library & pthreads
|
||||
if ((init_error=init_common_variables(MYSQL_CONFIG_NAME,
|
||||
argc, argv, load_default_groups)))
|
||||
if (init_error == 2)
|
||||
unireg_abort(1);
|
||||
else
|
||||
exit(1);
|
||||
|
||||
strmake(pidfile_name, glob_hostname, sizeof(pidfile_name)-5);
|
||||
strmov(fn_ext(pidfile_name),".pid"); // Add proper extension
|
||||
|
||||
init_signals();
|
||||
if (init_thread_environement())
|
||||
exit(1);
|
||||
select_thread=pthread_self();
|
||||
select_thread_in_use=1;
|
||||
if (!(opt_specialflag & SPECIAL_NO_PRIOR))
|
||||
my_pthread_setprio(pthread_self(),CONNECT_PRIOR);
|
||||
|
||||
if (!(opt_specialflag & SPECIAL_NO_PRIOR))
|
||||
my_pthread_attr_setprio(&connection_attrib,WAIT_PRIOR);
|
||||
|
||||
init_ssl();
|
||||
|
||||
#ifdef HAVE_LIBWRAP
|
||||
libwrapName= my_progname+dirname_length(my_progname);
|
||||
openlog(libwrapName, LOG_PID, LOG_AUTH);
|
||||
#endif
|
||||
|
||||
/*
|
||||
We have enough space for fiddling with the argv, continue
|
||||
*/
|
||||
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();
|
||||
|
||||
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 (init_server_components())
|
||||
exit(1);
|
||||
|
||||
#ifdef __WIN__
|
||||
#define MYSQL_ERR_FILE "mysql.err"
|
||||
if (!opt_console)
|
||||
{
|
||||
freopen(MYSQL_ERR_FILE,"a+",stdout);
|
||||
freopen(MYSQL_ERR_FILE,"a+",stderr);
|
||||
}
|
||||
#endif
|
||||
|
||||
#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;
|
||||
start_signal_handler(); // Creates pidfile
|
||||
if (acl_init(opt_noacl))
|
||||
{
|
||||
abort_loop=1;
|
||||
select_thread_in_use=0;
|
||||
(void) pthread_kill(signal_thread,MYSQL_KILL_SIGNAL);
|
||||
#ifndef __WIN__
|
||||
if (!opt_bootstrap)
|
||||
(void) my_delete(pidfile_name,MYF(MY_WME)); // Not needed anymore
|
||||
#endif
|
||||
exit(1);
|
||||
}
|
||||
if (!opt_noacl)
|
||||
(void) grant_init();
|
||||
|
||||
#ifdef HAVE_DLOPEN
|
||||
if (!opt_noacl)
|
||||
udf_init();
|
||||
#endif
|
||||
/* init_slave() must be called after the thread keys are created */
|
||||
init_slave();
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
create_shutdown_thread();
|
||||
create_maintenance_thread();
|
||||
|
||||
printf(ER(ER_READY),my_progname,server_version,"");
|
||||
fflush(stdout);
|
||||
|
||||
#ifdef __NT__
|
||||
create_named_pipe_thread();
|
||||
#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
|
||||
my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
|
||||
exit(0);
|
||||
return(0); /* purecov: deadcode */
|
||||
}
|
||||
|
||||
#ifdef _DUMMY
|
||||
|
||||
#ifdef __WIN__
|
||||
int win_main(int argc, char **argv)
|
||||
@@ -1944,7 +2433,6 @@ int main(int argc, char **argv)
|
||||
/*
|
||||
We have enough space for fiddling with the argv, continue
|
||||
*/
|
||||
umask(((~my_umask) & 0666));
|
||||
if (my_setwd(mysql_real_data_home,MYF(MY_WME)))
|
||||
{
|
||||
unireg_abort(1); /* purecov: inspected */
|
||||
@@ -2208,7 +2696,7 @@ The server will not act as a slave.");
|
||||
exit(0);
|
||||
return(0); /* purecov: deadcode */
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
Main and thread entry function for Win32
|
||||
|
||||
Reference in New Issue
Block a user