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Diffstat (limited to 'storage/xtradb/os/os0sync.cc')
| -rw-r--r-- | storage/xtradb/os/os0sync.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/storage/xtradb/os/os0sync.cc b/storage/xtradb/os/os0sync.cc index 779152a3a56..451ba5285e3 100644 --- a/storage/xtradb/os/os0sync.cc +++ b/storage/xtradb/os/os0sync.cc @@ -890,6 +890,25 @@ os_fast_mutex_unlock_func( } /**********************************************************//** +Releases ownership of a fast mutex. Implies a full memory barrier even on +platforms such as PowerPC where this is not normally required. */ +UNIV_INTERN +void +os_fast_mutex_unlock_full_barrier( +/*=================*/ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to release */ +{ +#ifdef __WIN__ + LeaveCriticalSection(&fast_mutex->mutex); +#else + pthread_mutex_unlock(&fast_mutex->mutex); +#ifdef __powerpc__ + os_mb; +#endif +#endif +} + +/**********************************************************//** Frees a mutex object. */ UNIV_INTERN void |