diff options
Diffstat (limited to 'sql/sql_base.cc')
| -rw-r--r-- | sql/sql_base.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 01ab0b6dec5..b168f561954 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -100,6 +100,8 @@ bool No_such_table_error_handler::safely_trapped_errors() TABLE_SHAREs, refresh_version and the table id counter. */ mysql_mutex_t LOCK_open; +mysql_mutex_t LOCK_dd_owns_lock_open; +uint dd_owns_lock_open= 0; #ifdef HAVE_PSI_INTERFACE static PSI_mutex_key key_LOCK_open; @@ -298,6 +300,7 @@ bool table_def_init(void) init_tdc_psi_keys(); #endif mysql_mutex_init(key_LOCK_open, &LOCK_open, MY_MUTEX_INIT_FAST); + mysql_mutex_init(NULL, &LOCK_dd_owns_lock_open, MY_MUTEX_INIT_FAST); oldest_unused_share= &end_of_unused_share; end_of_unused_share.prev= &oldest_unused_share; @@ -341,6 +344,7 @@ void table_def_free(void) table_def_inited= 0; /* Free table definitions. */ my_hash_free(&table_def_cache); + mysql_mutex_destroy(&LOCK_dd_owns_lock_open); mysql_mutex_destroy(&LOCK_open); } DBUG_VOID_RETURN; |