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.
This commit is contained in:
Tom Lane 2001-02-24 22:42:45 +00:00
parent 3460181c3c
commit 496ea7a876

View File

@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * 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) if (microsec > 0)
{ {
delay.tv_sec = 0; delay.tv_sec = microsec / 1000000;
delay.tv_usec = microsec; delay.tv_usec = microsec % 1000000;
} }
else else
{ {