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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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5
src/backend/commands/analyze.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.10 2000/12/02 19:38:34 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.11 2001/01/14 05:08:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -72,8 +72,7 @@ analyze_rel(Oid relid, List *anal_cols2, int MESSAGE_LEVEL)
* Check for user-requested abort. Note we want this to be inside a
* transaction, so xact.c doesn't issue useless NOTICE.
*/
if (QueryCancel)
CancelQuery();
CHECK_FOR_INTERRUPTS();
/*
* Race condition -- if the pg_class tuple has gone away since the