diff options
Diffstat (limited to 'sql/rpl_mi.cc')
| -rw-r--r-- | sql/rpl_mi.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sql/rpl_mi.cc b/sql/rpl_mi.cc index 4fd36891a4b..00ea7743810 100644 --- a/sql/rpl_mi.cc +++ b/sql/rpl_mi.cc @@ -85,6 +85,14 @@ Master_info::Master_info(LEX_CSTRING *connection_name_arg, mysql_mutex_init(key_master_info_data_lock, &data_lock, MY_MUTEX_INIT_FAST); mysql_mutex_init(key_master_info_start_stop_lock, &start_stop_lock, MY_MUTEX_INIT_SLOW); + /* + start_alter_lock will protect individual start_alter_info while + start_alter_list_lock is for list insertion and deletion operations + */ + mysql_mutex_init(key_master_info_start_alter_lock, &start_alter_lock, + MY_MUTEX_INIT_FAST); + mysql_mutex_init(key_master_info_start_alter_list_lock, &start_alter_list_lock, + MY_MUTEX_INIT_FAST); mysql_mutex_setflags(&run_lock, MYF_NO_DEADLOCK_DETECTION); mysql_mutex_setflags(&data_lock, MYF_NO_DEADLOCK_DETECTION); mysql_mutex_init(key_master_info_sleep_lock, &sleep_lock, MY_MUTEX_INIT_FAST); @@ -121,6 +129,8 @@ Master_info::~Master_info() mysql_mutex_destroy(&data_lock); mysql_mutex_destroy(&sleep_lock); mysql_mutex_destroy(&start_stop_lock); + mysql_mutex_destroy(&start_alter_lock); + mysql_mutex_destroy(&start_alter_list_lock); mysql_cond_destroy(&data_cond); mysql_cond_destroy(&start_cond); mysql_cond_destroy(&stop_cond); |