From 496ea7a87633a64ddab65b375e0be56fa60873cc Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 24 Feb 2001 22:42:45 +0000
Subject: [PATCH] At least on HPUX, select with delay.tv_sec = 0 and
delay.tv_usec = 1000000 does not lead to a one-second delay, but to an
immediate EINVAL failure. This causes CHECKPOINT to crash with s_lock_stuck
much too quickly :-(. Fix by breaking down the requested wait div/mod 1e6.
---
src/backend/storage/buffer/s_lock.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/backend/storage/buffer/s_lock.c b/src/backend/storage/buffer/s_lock.c
index ef70f45d887..6bb76c2cda8 100644
--- a/src/backend/storage/buffer/s_lock.c
+++ b/src/backend/storage/buffer/s_lock.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.33 2001/02/18 04:39:42 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.34 2001/02/24 22:42:45 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -91,8 +91,8 @@ s_lock_sleep(unsigned spins, int timeout, int microsec,
if (microsec > 0)
{
- delay.tv_sec = 0;
- delay.tv_usec = microsec;
+ delay.tv_sec = microsec / 1000000;
+ delay.tv_usec = microsec % 1000000;
}
else
{
--
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