diff options
Diffstat (limited to 'sql/replication.h')
| -rw-r--r-- | sql/replication.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/sql/replication.h b/sql/replication.h index cd3d05d2159..49d896ff1a7 100644 --- a/sql/replication.h +++ b/sql/replication.h @@ -18,16 +18,14 @@ /*************************************************************************** NOTE: plugin locking. - This API was created specifically for the semisync plugin and its locking - logic is also matches semisync plugin usage pattern. In particular, a plugin - is locked on Binlog_transmit_observer::transmit_start and is unlocked after - Binlog_transmit_observer::transmit_stop. All other master observable events - happen between these two and don't lock the plugin at all. This works well - for the semisync_master plugin. + + The plugin is locked on Binlog_transmit_observer::transmit_start and is + unlocked after Binlog_transmit_observer::transmit_stop. All other + master observable events happen between these two and don't lock the + plugin at all. Also a plugin is locked on Binlog_relay_IO_observer::thread_start - and unlocked after Binlog_relay_IO_observer::thread_stop. This works well for - the semisync_slave plugin. + and unlocked after Binlog_relay_IO_observer::thread_stop. ***************************************************************************/ #include <mysql.h> |