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Here's the latest win32 signals code, this time in the form of a patch

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against the latest shapshot. It also includes the replacement of kill()
with pqkill() and sigsetmask() with pqsigsetmask().

Passes all tests fine on my linux machine once applied. Still doesn't
link completely on Win32 - there are a few things still required. But
much closer than before.

At Bruce's request, I'm goint to write up a README file about the method
of signals delivery chosen and why the others were rejected (basically a
summary of the mailinglist discussions). I'll finish that up once/if the
patch is accepted.


Magnus Hagander
This commit is contained in:
Bruce Momjian
2004-01-27 00:45:26 +00:00
parent eec08b95e7
commit 50491963cb
10 changed files with 404 additions and 26 deletions
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5
src/backend/port/sysv_shmem.c
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@ -10,7 +10,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.28 2004/01/07 18:56:27 neilc Exp $
* $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.29 2004/01/27 00:45:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -33,6 +33,7 @@
#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) */
@ -284,7 +285,7 @@ PGSharedMemoryCreate(uint32 size, bool makePrivate, int port)
hdr = (PGShmemHeader *) memAddress;
if (hdr->creatorPID != getpid())
{
if (kill(hdr->creatorPID, 0) == 0 || errno != ESRCH)
if (pqkill(hdr->creatorPID, 0) == 0 || errno != ESRCH)
{
shmdt(memAddress);
continue; /* segment belongs to a live process */