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lock_has_to_wait() is needed in the INFORMATION_SCHEMA implementation

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in order to determine which lock is blocking which. Make it non-static
and put its definition in include/lock0lock.h.

Approved by:	Heikki (via IM)
This commit is contained in:
vasil 2007-07-13 12:15:14 +00:00
parent 2af39365d6
commit 147b4d43b2
2 changed files with 13 additions and 1 deletions
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12
include/lock0lock.h
View file

@ -519,6 +519,18 @@ lock_is_table_exclusive(
dict_table_t* table, /* in: table */
trx_t* trx); /* in: transaction */
/*************************************************************************
Checks if a lock request lock1 has to wait for request lock2. */
ibool
lock_has_to_wait(
/*=============*/
/* out: TRUE if lock1 has to wait for lock2 to be
removed */
lock_t* lock1, /* in: waiting lock */
lock_t* lock2); /* in: another lock; NOTE that it is assumed that this
has a lock bit set on the same record as in lock1 if
the locks are record locks */
/*************************************************************************
Checks that a transaction id is sensible, i.e., not in the future. */
ibool

2
lock/lock0lock.c
View file

@ -984,7 +984,7 @@ lock_rec_has_to_wait(
/*************************************************************************
Checks if a lock request lock1 has to wait for request lock2. */
static
ibool
lock_has_to_wait(
/*=============*/