diff options
Diffstat (limited to 'innobase/include/sync0sync.h')
| -rw-r--r-- | innobase/include/sync0sync.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/innobase/include/sync0sync.h b/innobase/include/sync0sync.h index 6c3bff66e27..4f55709a5d7 100644 --- a/innobase/include/sync0sync.h +++ b/innobase/include/sync0sync.h @@ -359,12 +359,17 @@ V Memory pool mutex */ /* Latching order levels */ + +/* User transaction locks are higher than any of the latch levels below: +no latches are allowed when a thread goes to wait for a normal table +or row lock! */ +#define SYNC_USER_TRX_LOCK 9999 #define SYNC_NO_ORDER_CHECK 3000 /* this can be used to suppress latching order checking */ #define SYNC_LEVEL_NONE 2000 /* default: level not defined */ +#define SYNC_FOREIGN_KEY_CHECK 1001 #define SYNC_DICT 1000 #define SYNC_DICT_AUTOINC_MUTEX 999 -#define SYNC_FOREIGN_KEY_CHECK 998 #define SYNC_PURGE_IS_RUNNING 997 #define SYNC_DICT_HEADER 995 #define SYNC_IBUF_HEADER 914 @@ -429,7 +434,7 @@ implementation of a mutual exclusion semaphore. */ struct mutex_struct { ulint lock_word; /* This ulint is the target of the atomic test-and-set instruction in Win32 */ -#ifndef _WIN32 +#if !defined(_WIN32) || !defined(UNIV_CAN_USE_X86_ASSEMBLER) os_fast_mutex_t os_fast_mutex; /* In other systems we use this OS mutex in place of lock_word */ |