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Win32 signals cleanup. Patch by Magnus Hagander, with input from Claudio

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Natoli and Bruce Momjian (and some cosmetic fixes from Neil Conway).
Changes:

    - remove duplicate signal definitions from pqsignal.h

    - replace pqkill() with kill() and redefine kill() in Win32

    - use ereport() in place of fprintf() in some error handling in
      pqsignal.c

    - export pg_queue_signal() and make use of it where necessary

    - add a console control handler for Ctrl-C and similar handling
      on Win32

    - do WaitForSingleObjectEx() in CHECK_FOR_INTERRUPTS() on Win32;
      query cancelling should now work on Win32

    - various other fixes and cleanups
This commit is contained in:
Neil Conway
2004-02-08 22:28:57 +00:00
parent 04e82e5008
commit f06e79525a
11 changed files with 118 additions and 163 deletions
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5
src/backend/commands/async.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.108 2004/01/27 00:45:26 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.109 2004/02/08 22:28:56 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -83,7 +83,6 @@
#include "commands/async.h"
#include "libpq/libpq.h"
#include "libpq/pqformat.h"
#include "libpq/pqsignal.h"
#include "miscadmin.h"
#include "storage/ipc.h"
#include "tcop/tcopprot.h"
@ -498,7 +497,7 @@ AtCommit_Notify(void)
* for some reason. It's OK to send the signal first, because
* the other guy can't read pg_listener until we unlock it.
*/
if (pqkill(listenerPID, SIGUSR2) < 0)
if (kill(listenerPID, SIGUSR2) < 0)
{
/*
* Get rid of pg_listener entry if it refers to a PID that