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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/port/sysv_shmem.c
View File

@ -10,7 +10,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.30 2004/02/02 00:11:31 momjian Exp $
* $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.31 2004/02/08 22:28:56 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -33,7 +33,6 @@
#include "miscadmin.h"
#include "storage/ipc.h"
#include "storage/pg_shmem.h"
#include "libpq/pqsignal.h"
typedef key_t IpcMemoryKey; /* shared memory key passed to shmget(2) */
@ -304,7 +303,7 @@ PGSharedMemoryCreate(uint32 size, bool makePrivate, int port)
hdr = (PGShmemHeader *) memAddress;
if (hdr->creatorPID != getpid())
{
if (pqkill(hdr->creatorPID, 0) == 0 || errno != ESRCH)
if (kill(hdr->creatorPID, 0) == 0 || errno != ESRCH)
{
shmdt(memAddress);
continue; /* segment belongs to a live process */