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Change PG_DELAY from msec to usec and use it consistenly rather than

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select().   Add Win32 Sleep() for delay.
This commit is contained in:
Bruce Momjian
2004-01-09 21:08:50 +00:00
parent a76c86c7c1
commit 38081fd000
4 changed files with 31 additions and 36 deletions
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9
src/backend/storage/lmgr/s_lock.c
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@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/s_lock.c,v 1.23 2003/12/27 20:58:58 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/s_lock.c,v 1.24 2004/01/09 21:08:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -19,7 +19,7 @@
#include <unistd.h>
#include "storage/s_lock.h"
#include "miscadmin.h"
/*
* s_lock_stuck() - complain about a stuck spinlock
@@ -84,7 +84,6 @@ s_lock(volatile slock_t *lock, const char *file, int line)
int spins = 0;
int delays = 0;
int cur_delay = MIN_DELAY_CSEC;
struct timeval delay;
while (TAS(lock))
{
@@ -97,9 +96,7 @@ s_lock(volatile slock_t *lock, const char *file, int line)
if (++delays > NUM_DELAYS)
s_lock_stuck(lock, file, line);
delay.tv_sec = cur_delay / 100;
delay.tv_usec = (cur_delay % 100) * 10000;
(void) select(0, NULL, NULL, NULL, &delay);
PG_USLEEP(cur_delay * 10000);
#if defined(S_LOCK_TEST)
fprintf(stdout, "*");