diff options
author | Marc Alff <marc.alff@sun.com> | 2010-01-06 22:42:07 -0700 |
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committer | Marc Alff <marc.alff@sun.com> | 2010-01-06 22:42:07 -0700 |
commit | 3d915225611a921fad03934e58bf281b48fc15b0 (patch) | |
tree | ea8cbc9d70015a17aad75df30e7d223476eaa4da /sql/sql_repl.cc | |
parent | 4b559b912f5a3aa02a226fdacddaa3b80a8ade42 (diff) | |
download | mariadb-git-3d915225611a921fad03934e58bf281b48fc15b0.tar.gz |
WL#2360 Performance schema
Part IV: sql instrumentation
Diffstat (limited to 'sql/sql_repl.cc')
-rw-r--r-- | sql/sql_repl.cc | 94 |
1 files changed, 49 insertions, 45 deletions
diff --git a/sql/sql_repl.cc b/sql/sql_repl.cc index 517fbb97b73..960a0adab2e 100644 --- a/sql/sql_repl.cc +++ b/sql/sql_repl.cc @@ -1,4 +1,4 @@ -/* Copyright (C) 2000-2006 MySQL AB & Sasha +/* Copyright (C) 2000-2006 MySQL AB & Sasha, 2008-2009 Sun Microsystems, Inc 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 @@ -151,13 +151,14 @@ static int send_file(THD *thd) if (!strcmp(fname,"/dev/null")) goto end; - if ((fd = my_open(fname, O_RDONLY, MYF(0))) < 0) + if ((fd= mysql_file_open(key_file_send_file, + fname, O_RDONLY, MYF(0))) < 0) { errmsg = "on open of file"; goto err; } - while ((long) (bytes= my_read(fd, buf, IO_SIZE, MYF(0))) > 0) + while ((long) (bytes= mysql_file_read(fd, buf, IO_SIZE, MYF(0))) > 0) { if (my_net_write(net, buf, bytes)) { @@ -178,7 +179,7 @@ static int send_file(THD *thd) err: my_net_set_read_timeout(net, old_timeout); if (fd >= 0) - (void) my_close(fd, MYF(0)); + mysql_file_close(fd, MYF(0)); if (errmsg) { sql_print_error("Failed in send_file() %s", errmsg); @@ -221,7 +222,7 @@ void adjust_linfo_offsets(my_off_t purge_offset) LOG_INFO* linfo; if ((linfo = tmp->current_linfo)) { - pthread_mutex_lock(&linfo->lock); + mysql_mutex_lock(&linfo->lock); /* Index file offset can be less that purge offset only if we just started reading the index file. In that case @@ -231,7 +232,7 @@ void adjust_linfo_offsets(my_off_t purge_offset) linfo->fatal = (linfo->index_file_offset != 0); else linfo->index_file_offset -= purge_offset; - pthread_mutex_unlock(&linfo->lock); + mysql_mutex_unlock(&linfo->lock); } } pthread_mutex_unlock(&LOCK_thread_count); @@ -252,10 +253,10 @@ bool log_in_use(const char* log_name) LOG_INFO* linfo; if ((linfo = tmp->current_linfo)) { - pthread_mutex_lock(&linfo->lock); + mysql_mutex_lock(&linfo->lock); result = !bcmp((uchar*) log_name, (uchar*) linfo->log_file_name, log_name_len); - pthread_mutex_unlock(&linfo->lock); + mysql_mutex_unlock(&linfo->lock); if (result) break; } @@ -444,7 +445,7 @@ void mysql_binlog_send(THD* thd, char* log_ident, my_off_t pos, int error; const char *errmsg = "Unknown error"; NET* net = &thd->net; - pthread_mutex_t *log_lock; + mysql_mutex_t *log_lock; bool binlog_can_be_corrupted= FALSE; #ifndef DBUG_OFF int left_events = max_binlog_dump_events; @@ -797,11 +798,11 @@ impossible position"; has not been updated since last read. */ - pthread_mutex_lock(log_lock); - switch (error= Log_event::read_log_event(&log, packet, (pthread_mutex_t*) 0)) { + mysql_mutex_lock(log_lock); + switch (error= Log_event::read_log_event(&log, packet, (mysql_mutex_t*) 0)) { case 0: /* we read successfully, so we'll need to send it to the slave */ - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); read_packet = 1; if (coord) coord->pos= uint4korr(packet->ptr() + ev_offset + LOG_POS_OFFSET); @@ -815,7 +816,7 @@ impossible position"; DBUG_PRINT("wait",("waiting for data in binary log")); if (thd->server_id==0) // for mysqlbinlog (mysqlbinlog.server_id==0) { - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); goto end; } @@ -850,7 +851,7 @@ impossible position"; { errmsg = "Failed on my_net_write()"; my_errno= ER_UNKNOWN_ERROR; - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); goto err; } } @@ -859,12 +860,12 @@ impossible position"; DBUG_PRINT("wait",("binary log received update or a broadcast signal caught")); } } while (signal_cnt == mysql_bin_log.signal_cnt && !thd->killed); - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); } break; default: - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); test_for_non_eof_log_read_errors(error, &errmsg); goto err; } @@ -931,7 +932,7 @@ impossible position"; break; end_io_cache(&log); - (void) my_close(file, MYF(MY_WME)); + mysql_file_close(file, MYF(MY_WME)); /* reset transmit packet for the possible fake rotate event */ if (reset_transmit_packet(thd, flags, &ev_offset, &errmsg)) @@ -961,7 +962,7 @@ impossible position"; end: end_io_cache(&log); - (void)my_close(file, MYF(MY_WME)); + mysql_file_close(file, MYF(MY_WME)); RUN_HOOK(binlog_transmit, transmit_stop, (thd, flags)); my_eof(thd); @@ -986,7 +987,7 @@ err: thd->current_linfo = 0; pthread_mutex_unlock(&LOCK_thread_count); if (file >= 0) - (void) my_close(file, MYF(MY_WME)); + mysql_file_close(file, MYF(MY_WME)); my_message(my_errno, errmsg, MYF(0)); DBUG_VOID_RETURN; @@ -1012,7 +1013,7 @@ int start_slave(THD* thd , Master_info* mi, bool net_report) int thread_mask; DBUG_ENTER("start_slave"); - if (check_access(thd, SUPER_ACL, any_db,0,0,0,0)) + if (check_access(thd, SUPER_ACL, any_db, NULL, NULL, 0, 0)) DBUG_RETURN(1); lock_slave_threads(mi); // this allows us to cleanly read slave_running // Get a mask of _stopped_ threads @@ -1039,7 +1040,7 @@ int start_slave(THD* thd , Master_info* mi, bool net_report) */ if (thread_mask & SLAVE_SQL) { - pthread_mutex_lock(&mi->rli.data_lock); + mysql_mutex_lock(&mi->rli.data_lock); if (thd->lex->mi.pos) { @@ -1093,7 +1094,7 @@ int start_slave(THD* thd , Master_info* mi, bool net_report) ER(ER_MISSING_SKIP_SLAVE)); } - pthread_mutex_unlock(&mi->rli.data_lock); + mysql_mutex_unlock(&mi->rli.data_lock); } else if (thd->lex->mi.pos || thd->lex->mi.relay_log_pos) push_warning(thd, MYSQL_ERROR::WARN_LEVEL_NOTE, ER_UNTIL_COND_IGNORED, @@ -1152,7 +1153,7 @@ int stop_slave(THD* thd, Master_info* mi, bool net_report ) if (!thd) thd = current_thd; - if (check_access(thd, SUPER_ACL, any_db,0,0,0,0)) + if (check_access(thd, SUPER_ACL, any_db, NULL, NULL, 0, 0)) DBUG_RETURN(1); thd_proc_info(thd, "Killing slave"); int thread_mask; @@ -1250,14 +1251,16 @@ int reset_slave(THD *thd, Master_info* mi) end_master_info(mi); // and delete these two files fn_format(fname, master_info_file, mysql_data_home, "", 4+32); - if (my_stat(fname, &stat_area, MYF(0)) && my_delete(fname, MYF(MY_WME))) + if (mysql_file_stat(key_file_master_info, fname, &stat_area, MYF(0)) && + mysql_file_delete(key_file_master_info, fname, MYF(MY_WME))) { error=1; goto err; } // delete relay_log_info_file fn_format(fname, relay_log_info_file, mysql_data_home, "", 4+32); - if (my_stat(fname, &stat_area, MYF(0)) && my_delete(fname, MYF(MY_WME))) + if (mysql_file_stat(key_file_relay_log_info, fname, &stat_area, MYF(0)) && + mysql_file_delete(key_file_relay_log_info, fname, MYF(MY_WME))) { error=1; goto err; @@ -1275,7 +1278,7 @@ err: Kill all Binlog_dump threads which previously talked to the same slave ("same" means with the same server id). Indeed, if the slave stops, if the - Binlog_dump thread is waiting (pthread_cond_wait) for binlog update, then it + Binlog_dump thread is waiting (mysql_cond_wait) for binlog update, then it will keep existing until a query is written to the binlog. If the master is idle, then this could last long, and if the slave reconnects, we could have 2 Binlog_dump threads in SHOW PROCESSLIST, until a query is written to the @@ -1302,7 +1305,7 @@ void kill_zombie_dump_threads(uint32 slave_server_id) if (tmp->command == COM_BINLOG_DUMP && tmp->server_id == slave_server_id) { - pthread_mutex_lock(&tmp->LOCK_thd_data); // Lock from delete + mysql_mutex_lock(&tmp->LOCK_thd_data); // Lock from delete break; } } @@ -1315,7 +1318,7 @@ void kill_zombie_dump_threads(uint32 slave_server_id) again. We just to do kill the thread ourselves. */ tmp->awake(THD::KILL_QUERY); - pthread_mutex_unlock(&tmp->LOCK_thd_data); + mysql_mutex_unlock(&tmp->LOCK_thd_data); } } @@ -1572,7 +1575,7 @@ bool change_master(THD* thd, Master_info* mi) if (!mi->rli.group_master_log_name[0]) // uninitialized case mi->rli.group_master_log_pos=0; - pthread_mutex_lock(&mi->rli.data_lock); + mysql_mutex_lock(&mi->rli.data_lock); mi->rli.abort_pos_wait++; /* for MASTER_POS_WAIT() to abort */ /* Clear the errors, for a clean start */ mi->rli.clear_error(); @@ -1585,8 +1588,8 @@ bool change_master(THD* thd, Master_info* mi) not exist anymore). */ flush_relay_log_info(&mi->rli); - pthread_cond_broadcast(&mi->data_cond); - pthread_mutex_unlock(&mi->rli.data_lock); + mysql_cond_broadcast(&mi->data_cond); + mysql_mutex_unlock(&mi->rli.data_lock); err: unlock_slave_threads(mi); @@ -1699,7 +1702,7 @@ bool mysql_show_binlog_events(THD* thd) my_off_t pos = max(BIN_LOG_HEADER_SIZE, lex_mi->pos); // user-friendly char search_file_name[FN_REFLEN], *name; const char *log_file_name = lex_mi->log_file_name; - pthread_mutex_t *log_lock = binary_log->get_log_lock(); + mysql_mutex_t *log_lock = binary_log->get_log_lock(); LOG_INFO linfo; Log_event* ev; @@ -1733,7 +1736,7 @@ bool mysql_show_binlog_events(THD* thd) */ thd->variables.max_allowed_packet += MAX_LOG_EVENT_HEADER; - pthread_mutex_lock(log_lock); + mysql_mutex_lock(log_lock); /* open_binlog() sought to position 4. @@ -1743,7 +1746,7 @@ bool mysql_show_binlog_events(THD* thd) This code will fail on a mixed relay log (one which has Format_desc then Rotate then Format_desc). */ - ev = Log_event::read_log_event(&log,(pthread_mutex_t*)0,description_event); + ev= Log_event::read_log_event(&log, (mysql_mutex_t*)0, description_event); if (ev) { if (ev->get_type_code() == FORMAT_DESCRIPTION_EVENT) @@ -1764,7 +1767,7 @@ bool mysql_show_binlog_events(THD* thd) } for (event_count = 0; - (ev = Log_event::read_log_event(&log,(pthread_mutex_t*) 0, + (ev = Log_event::read_log_event(&log, (mysql_mutex_t*) 0, description_event)); ) { if (event_count >= limit_start && @@ -1772,7 +1775,7 @@ bool mysql_show_binlog_events(THD* thd) { errmsg = "Net error"; delete ev; - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); goto err; } @@ -1786,11 +1789,11 @@ bool mysql_show_binlog_events(THD* thd) if (event_count < limit_end && log.error) { errmsg = "Wrong offset or I/O error"; - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); goto err; } - pthread_mutex_unlock(log_lock); + mysql_mutex_unlock(log_lock); } ret= FALSE; @@ -1800,7 +1803,7 @@ err: if (file >= 0) { end_io_cache(&log); - (void) my_close(file, MYF(MY_WME)); + mysql_file_close(file, MYF(MY_WME)); } if (errmsg) @@ -1892,12 +1895,12 @@ bool show_binlogs(THD* thd) Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF)) DBUG_RETURN(TRUE); - pthread_mutex_lock(mysql_bin_log.get_log_lock()); + mysql_mutex_lock(mysql_bin_log.get_log_lock()); mysql_bin_log.lock_index(); index_file=mysql_bin_log.get_index_file(); mysql_bin_log.raw_get_current_log(&cur); // dont take mutex - pthread_mutex_unlock(mysql_bin_log.get_log_lock()); // lockdep, OK + mysql_mutex_unlock(mysql_bin_log.get_log_lock()); // lockdep, OK cur_dir_len= dirname_length(cur.log_file_name); @@ -1920,11 +1923,12 @@ bool show_binlogs(THD* thd) else { /* this is an old log, open it and find the size */ - if ((file= my_open(fname, O_RDONLY | O_SHARE | O_BINARY, - MYF(0))) >= 0) + if ((file= mysql_file_open(key_file_binlog, + fname, O_RDONLY | O_SHARE | O_BINARY, + MYF(0))) >= 0) { - file_length= (ulonglong) my_seek(file, 0L, MY_SEEK_END, MYF(0)); - my_close(file, MYF(0)); + file_length= (ulonglong) mysql_file_seek(file, 0L, MY_SEEK_END, MYF(0)); + mysql_file_close(file, MYF(0)); } } protocol->store(file_length); |