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Add comment about checkpoint panic behavior during shutdown, per

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suggestion from Qingqing Zhou.
This commit is contained in:
Tom Lane 2005-04-23 18:49:54 +00:00
parent b1faf3624b
commit 19d127548c
1 changed files with 5 additions and 2 deletions
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7
src/backend/access/transam/xlog.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.187 2005/04/17 03:04:29 momjian Exp $ * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.188 2005/04/23 18:49:54 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -4925,7 +4925,10 @@ CreateCheckPoint(bool shutdown, bool force)
* *
* This I/O could fail for various reasons. If so, we will fail to * This I/O could fail for various reasons. If so, we will fail to
* complete the checkpoint, but there is no reason to force a system * complete the checkpoint, but there is no reason to force a system
* panic. Accordingly, exit critical section while doing it. * panic. Accordingly, exit critical section while doing it. (If
* we are doing a shutdown checkpoint, we probably *should* panic ---
* but that will happen anyway because we'll still be inside the
* critical section established by ShutdownXLOG.)
*/ */
END_CRIT_SECTION(); END_CRIT_SECTION();