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Update for deadlock timer.

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This commit is contained in:
Bruce Momjian 1998-12-29 18:36:29 +00:00
parent 2b8736bac6
commit 06c120e67e
1 changed files with 10 additions and 11 deletions
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21
src/backend/storage/lmgr/proc.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.45 1998/12/29 18:29:18 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.46 1998/12/29 18:36:29 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -46,7 +46,7 @@
* This is so that we can support more backends. (system-wide semaphore * This is so that we can support more backends. (system-wide semaphore
* sets run out pretty fast.) -ay 4/95 * sets run out pretty fast.) -ay 4/95
* *
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.45 1998/12/29 18:29:18 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.46 1998/12/29 18:36:29 momjian Exp $
*/ */
#include <sys/time.h> #include <sys/time.h>
#include <unistd.h> #include <unistd.h>
@ -520,20 +520,19 @@ ProcSleep(PROC_QUEUE *waitQueue,/* lock->waitProcs */
do do
{ {
int expired;
MyProc->errType = NO_ERROR; /* reset flag after deadlock check */ MyProc->errType = NO_ERROR; /* reset flag after deadlock check */
if (deadlock_checked == false) if (deadlock_checked == false)
expired = sleep(DeadlockCheckTimer ? DeadlockCheckTimer : DEADLOCK_CHECK_TIMER); {
if (sleep(DeadlockCheckTimer ? DeadlockCheckTimer : DEADLOCK_CHECK_TIMER)
== 0 /* no signal interruption */ )
{
HandleDeadLock();
deadlock_checked = true;
}
}
else else
pause(); pause();
if (expired == 0 && deadlock_checked == false)
{
HandleDeadLock();
deadlock_checked = true;
}
/* -------------- /* --------------
* if someone wakes us between SpinRelease and IpcSemaphoreLock, * if someone wakes us between SpinRelease and IpcSemaphoreLock,