diff options
Diffstat (limited to 'src/include/storage/lock.h')
| -rw-r--r-- | src/include/storage/lock.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/include/storage/lock.h b/src/include/storage/lock.h index 85af296a5bd..ce1f30133f3 100644 --- a/src/include/storage/lock.h +++ b/src/include/storage/lock.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: lock.h,v 1.22 1999/02/19 06:06:35 tgl Exp $ + * $Id: lock.h,v 1.23 1999/02/21 01:41:47 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -28,14 +28,14 @@ typedef int MASK; /* ---------------------- * The following defines are used to estimate how much shared * memory the lock manager is going to require. + * See LockShmemSize() in lock.c. * - * MAXBACKENDS - The max number of concurrently running backends (config.h) * NLOCKS_PER_XACT - The number of unique locks acquired in a transaction * NLOCKENTS - The maximum number of lock entries in the lock table. * ---------------------- */ -#define NLOCKS_PER_XACT 40 -#define NLOCKENTS (NLOCKS_PER_XACT*MAXBACKENDS) +#define NLOCKS_PER_XACT 40 +#define NLOCKENTS(maxBackends) (NLOCKS_PER_XACT*(maxBackends)) typedef int LOCKMODE; typedef int LOCKMETHOD; @@ -242,7 +242,7 @@ extern bool LockRelease(LOCKMETHOD lockmethod, LOCKTAG *locktag, LOCKMODE lockmode); extern void GrantLock(LOCK *lock, LOCKMODE lockmode); extern bool LockReleaseAll(LOCKMETHOD lockmethod, SHM_QUEUE *lockQueue); -extern int LockShmemSize(void); +extern int LockShmemSize(int maxBackends); extern bool LockingDisabled(void); extern bool DeadLockCheck(SHM_QUEUE *lockQueue, LOCK *findlock, bool skip_check); |