diff options
Diffstat (limited to 'storage/xtradb/sync/sync0arr.cc')
| -rw-r--r-- | storage/xtradb/sync/sync0arr.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/storage/xtradb/sync/sync0arr.cc b/storage/xtradb/sync/sync0arr.cc index 95ecf496e82..6e30ccf07df 100644 --- a/storage/xtradb/sync/sync0arr.cc +++ b/storage/xtradb/sync/sync0arr.cc @@ -849,6 +849,7 @@ sync_arr_cell_can_wake_up( lock = static_cast<rw_lock_t*>(cell->wait_object); + os_rmb; if (lock->lock_word > 0) { /* Either unlocked or only read locked. */ @@ -860,6 +861,7 @@ sync_arr_cell_can_wake_up( lock = static_cast<rw_lock_t*>(cell->wait_object); /* lock_word == 0 means all readers have left */ + os_rmb; if (lock->lock_word == 0) { return(TRUE); @@ -869,6 +871,7 @@ sync_arr_cell_can_wake_up( lock = static_cast<rw_lock_t*>(cell->wait_object); /* lock_word > 0 means no writer or reserved writer */ + os_rmb; if (lock->lock_word > 0) { return(TRUE); |