diff options
Diffstat (limited to 'innobase/include/lock0lock.h')
-rw-r--r-- | innobase/include/lock0lock.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/innobase/include/lock0lock.h b/innobase/include/lock0lock.h index 9c5f35c6674..9f525042dcc 100644 --- a/innobase/include/lock0lock.h +++ b/innobase/include/lock0lock.h @@ -418,7 +418,8 @@ lock_release_off_kernel( /*====================*/ trx_t* trx); /* in: transaction */ /************************************************************************* -Releases table locks, and releases possible other transactions waiting +Releases table locks explicitly requested with LOCK TABLES (indicated by +lock type LOCK_TABLE_EXP), and releases possible other transactions waiting because of these locks. */ void @@ -548,7 +549,7 @@ extern lock_sys_t* lock_sys; /* Lock types */ #define LOCK_TABLE 16 /* these type values should be so high that */ #define LOCK_REC 32 /* they can be ORed to the lock mode */ -#define LOCK_TABLE_EXP 80 /* explicit table lock */ +#define LOCK_TABLE_EXP 80 /* explicit table lock (80 = 16 + 64) */ #define LOCK_TYPE_MASK 0xF0UL /* mask used to extract lock type from the type_mode field in a lock */ /* Waiting lock flag */ |