diff options
Diffstat (limited to 'sql/rpl_mi.cc')
-rw-r--r-- | sql/rpl_mi.cc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sql/rpl_mi.cc b/sql/rpl_mi.cc index 977dec96982..055dd09ac5c 100644 --- a/sql/rpl_mi.cc +++ b/sql/rpl_mi.cc @@ -38,6 +38,7 @@ Master_info::Master_info(LEX_STRING *connection_name_arg, connect_retry(DEFAULT_CONNECT_RETRY), inited(0), abort_slave(0), slave_running(0), slave_run_id(0), sync_counter(0), heartbeat_period(0), received_heartbeats(0), master_id(0), + prev_master_id(0), using_gtid(USE_GTID_NO), events_queued_since_last_gtid(0), gtid_reconnect_event_skip_count(0), gtid_event_seen(false) { @@ -890,6 +891,9 @@ bool Master_info_index::init_all_master_info() File index_file_nr; DBUG_ENTER("init_all_master_info"); + mysql_mutex_assert_owner(&LOCK_active_mi); + DBUG_ASSERT(master_info_index); + if ((index_file_nr= my_open(index_file_name, O_RDWR | O_CREAT | O_BINARY , MYF(MY_WME | ME_NOREFRESH))) < 0 || @@ -1089,6 +1093,10 @@ Master_info_index::get_master_info(const LEX_STRING *connection_name, ("connection_name: '%.*s'", (int) connection_name->length, connection_name->str)); + mysql_mutex_assert_owner(&LOCK_active_mi); + if (!this) // master_info_index is set to NULL on server shutdown + return NULL; + /* Make name lower case for comparison */ res= strmake(buff, connection_name->str, connection_name->length); my_casedn_str(system_charset_info, buff); @@ -1116,6 +1124,9 @@ bool Master_info_index::check_duplicate_master_info(LEX_STRING *name_arg, Master_info *mi; DBUG_ENTER("check_duplicate_master_info"); + mysql_mutex_assert_owner(&LOCK_active_mi); + DBUG_ASSERT(master_info_index); + /* Get full host and port name */ if ((mi= master_info_index->get_master_info(name_arg, Sql_condition::WARN_LEVEL_NOTE))) @@ -1238,6 +1249,8 @@ bool Master_info_index::give_error_if_slave_running() { DBUG_ENTER("warn_if_slave_running"); mysql_mutex_assert_owner(&LOCK_active_mi); + if (!this) // master_info_index is set to NULL on server shutdown + return TRUE; for (uint i= 0; i< master_info_hash.records; ++i) { |