diff options
Diffstat (limited to 'storage/xtradb/include/lock0lock.h')
| -rw-r--r-- | storage/xtradb/include/lock0lock.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/storage/xtradb/include/lock0lock.h b/storage/xtradb/include/lock0lock.h index 45955f3a7ea..698780a9a9e 100644 --- a/storage/xtradb/include/lock0lock.h +++ b/storage/xtradb/include/lock0lock.h @@ -943,7 +943,12 @@ struct lock_sys_t{ srv_slot_t* waiting_threads; /*!< Array of user threads suspended while waiting for locks within InnoDB, protected - by the lock_sys->wait_mutex */ + by the lock_sys->wait_mutex; + os_event_set() and + os_event_reset() on + waiting_threads[]->event + are protected by + trx_t::mutex */ srv_slot_t* last_slot; /*!< highest slot ever used in the waiting_threads array, protected by @@ -956,10 +961,11 @@ struct lock_sys_t{ ulint n_lock_max_wait_time; /*!< Max wait time */ - os_event_t timeout_event; /*!< Set to the event that is - created in the lock wait monitor - thread. A value of 0 means the - thread is not active */ + os_event_t timeout_event; /*!< An event waited for by + lock_wait_timeout_thread. + Not protected by a mutex, + but the waits are timed. + Signaled on shutdown only. */ bool timeout_thread_active; /*!< True if the timeout thread is running */ |