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Add GUC update_process_title to control whether 'ps' display is updated

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for every command, default to on.
This commit is contained in:
Bruce Momjian
2006-06-27 22:16:44 +00:00
parent 69d0a15e2a
commit 370a709c75
14 changed files with 89 additions and 52 deletions
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28
src/backend/storage/lmgr/lock.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lock.c,v 1.164 2006/04/14 03:38:55 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lock.c,v 1.165 2006/06/27 22:16:43 momjian Exp $
*
* NOTES
* A lock table is a shared memory hash table. When
@ -1059,19 +1059,22 @@ WaitOnLock(LOCALLOCK *locallock, ResourceOwner owner)
LOCKMETHODID lockmethodid = LOCALLOCK_LOCKMETHOD(*locallock);
LockMethod lockMethodTable = LockMethods[lockmethodid];
const char *old_status;
char *new_status;
char *new_status = NULL;
int len;
LOCK_PRINT("WaitOnLock: sleeping on lock",
locallock->lock, locallock->tag.mode);
old_status = get_ps_display(&len);
new_status = (char *) palloc(len + 8 + 1);
memcpy(new_status, old_status, len);
strcpy(new_status + len, " waiting");
set_ps_display(new_status);
new_status[len] = '\0'; /* truncate off " waiting" */
if (update_process_title)
{
old_status = get_ps_display(&len);
new_status = (char *) palloc(len + 8 + 1);
memcpy(new_status, old_status, len);
strcpy(new_status + len, " waiting");
set_ps_display(new_status, false);
new_status[len] = '\0'; /* truncate off " waiting" */
}
awaitedLock = locallock;
awaitedOwner = owner;
@ -1108,8 +1111,11 @@ WaitOnLock(LOCALLOCK *locallock, ResourceOwner owner)
awaitedLock = NULL;
set_ps_display(new_status);
pfree(new_status);
if (update_process_title)
{
set_ps_display(new_status, false);
pfree(new_status);
}
LOCK_PRINT("WaitOnLock: wakeup on lock",
locallock->lock, locallock->tag.mode);