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Fix Windows emulation of kill(pid, 0). This will now succeed, but only 

if the target PID is a PG postmaster or backend --- for our purposes that
is actually better than the Unix behavior.  Per Dave Page and Andrew Dunstan.
This commit is contained in:
Tom Lane 2004-08-27 18:31:48 +00:00
parent 1785acebf2
commit 3e3f70a28a
2 changed files with 5 additions and 4 deletions
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4
src/backend/port/win32/signal.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/win32/signal.c,v 1.4 2004/06/24 21:02:42 tgl Exp $
* $PostgreSQL: pgsql/src/backend/port/win32/signal.c,v 1.5 2004/08/27 18:31:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -162,7 +162,7 @@ pqsignal(int signum, pqsigfunc handler)
void
pg_queue_signal(int signum)
{
if (signum >= PG_SIGNAL_COUNT || signum < 0)
if (signum >= PG_SIGNAL_COUNT || signum <= 0)
return;
EnterCriticalSection(&pg_signal_crit_sec);

5
src/port/kill.c
View File

@ -9,7 +9,7 @@
* signals that the backend can recognize.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/kill.c,v 1.2 2004/06/24 18:53:48 tgl Exp $
* $PostgreSQL: pgsql/src/port/kill.c,v 1.3 2004/08/27 18:31:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,7 +26,8 @@ pgkill(int pid, int sig)
BYTE sigRet = 0;
DWORD bytes;
if (sig >= PG_SIGNAL_COUNT || sig <= 0)
/* we allow signal 0 here, but it will be ignored in pg_queue_signal */
if (sig >= PG_SIGNAL_COUNT || sig < 0)
{
errno = EINVAL;
return -1;