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-rw-r--r--innobase/include/lock0lock.h5
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 */