* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.26 2005/04/08 03:43:54 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.27 2005/04/08 14:18:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
*/
Assert(!(proc == NULL && IsUnderPostmaster));
+ /* Ensure we will have room to remember the lock */
+ if (num_held_lwlocks >= MAX_SIMUL_LWLOCKS)
+ elog(ERROR, "too many LWLocks taken");
+
/*
* Lock out cancel/die interrupts until we exit the code section
* protected by the LWLock. This ensures that interrupts will not
SpinLockRelease_NoHoldoff(&lock->mutex);
/* Add lock to list of locks held by this backend */
- if (num_held_lwlocks >= MAX_SIMUL_LWLOCKS)
- elog(ERROR, "too many LWLocks taken");
held_lwlocks[num_held_lwlocks++] = lockid;
/*
PRINT_LWDEBUG("LWLockConditionalAcquire", lockid, lock);
+ /* Ensure we will have room to remember the lock */
+ if (num_held_lwlocks >= MAX_SIMUL_LWLOCKS)
+ elog(ERROR, "too many LWLocks taken");
+
/*
* Lock out cancel/die interrupts until we exit the code section
* protected by the LWLock. This ensures that interrupts will not
else
{
/* Add lock to list of locks held by this backend */
- if (num_held_lwlocks >= MAX_SIMUL_LWLOCKS)
- elog(ERROR, "too many LWLocks taken");
held_lwlocks[num_held_lwlocks++] = lockid;
}