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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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11
src/backend/commands/copy.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.128 2001/01/06 03:33:17 ishii Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.129 2001/01/14 05:08:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -449,8 +449,7 @@ CopyTo(Relation rel, bool binary, bool oids, FILE *fp,
{
bool need_delim = false;
if (QueryCancel)
CancelQuery();
CHECK_FOR_INTERRUPTS();
if (binary)
{
@ -702,11 +701,7 @@ CopyFrom(Relation rel, bool binary, bool oids, FILE *fp,
while (!done)
{
if (QueryCancel)
{
lineno = 0;
CancelQuery();
}
CHECK_FOR_INTERRUPTS();
lineno++;