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Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts

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are treated more like 'cancel' interrupts: the signal handler sets a
flag that is examined at well-defined spots, rather than trying to cope
with an interrupt that might happen anywhere.  See pghackers discussion
of 1/12/01.
This commit is contained in:
Tom Lane
2001-01-14 05:08:17 +00:00
parent 027f144e39
commit 36839c1927
24 changed files with 614 additions and 479 deletions
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3
src/backend/access/transam/xlog.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.49 2001/01/12 21:53:56 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.50 2001/01/14 05:08:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -42,7 +42,6 @@
int XLOGbuffers = 8;
int XLOGfiles = 0; /* how many files to pre-allocate */
XLogRecPtr MyLastRecPtr = {0, 0};
volatile uint32 CritSectionCount = 0;
bool InRecovery = false;
StartUpID ThisStartUpID = 0;
XLogRecPtr RedoRecPtr;