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Fix for locking problems an dpriority.

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This commit is contained in:
Bruce Momjian 1998-02-24 19:58:26 +00:00
parent f0da7129f5
commit 19ba229299
1 changed files with 5 additions and 4 deletions
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9
src/backend/storage/lmgr/proc.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.31 1998/02/19 15:04:45 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.32 1998/02/24 19:58:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -46,7 +46,7 @@
* This is so that we can support more backends. (system-wide semaphore
* sets run out pretty fast.) -ay 4/95
*
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.31 1998/02/19 15:04:45 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.32 1998/02/24 19:58:26 momjian Exp $
*/
#include <sys/time.h>
#include <unistd.h>
@ -451,7 +451,7 @@ ProcSleep(PROC_QUEUE *waitQueue,
int prio,
LOCK *lock)
{
int i = 0;
int i;
PROC *proc;
struct itimerval timeval,
dummy;
@ -481,7 +481,8 @@ ProcSleep(PROC_QUEUE *waitQueue,
proc = (PROC *) MAKE_PTR(waitQueue->links.prev);
/* If we are a reader, and they are writers, skip past them */
while (i++ < waitQueue->size && proc->prio > prio)
for (i = 0; i < waitQueue->size && proc->prio > prio; i++)
proc = (PROC *) MAKE_PTR(proc->links.prev);
/* The rest of the queue is FIFO, with readers first, writers last */