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Re: postmaster.pid

From: "Dave Page" <dpage(at)vale-housing(dot)co(dot)uk>
To: "Dave Page" <dpage(at)vale-housing(dot)co(dot)uk>,"Andrew Dunstan" <andrew(at)dunslane(dot)net>
Cc: "Barry Lind" <blind(at)xythos(dot)com>,<pgsql-hackers-win32(at)postgresql(dot)org>, "Max Dunn" <mdunn(at)xythos(dot)com>
Subject: Re: postmaster.pid
Date: 2004-08-24 15:59:18
Message-ID: E7F85A1B5FF8D44C8A1AF6885BC9A0E41A7870@ratbert.vale-housing.co.uk (view raw or flat)
Thread:
Lists: pgsql-hackers-win32
 

> -----Original Message-----
> From: pgsql-hackers-win32-owner(at)postgresql(dot)org 
> [mailto:pgsql-hackers-win32-owner(at)postgresql(dot)org] On Behalf 
> Of Dave Page
> Sent: 24 August 2004 15:55
> To: Andrew Dunstan
> Cc: Barry Lind; pgsql-hackers-win32(at)postgresql(dot)org; Max Dunn
> Subject: Re: [pgsql-hackers-win32] postmaster.pid
> 
>  
> 
> however I have an hour or so now so I'll take a 
> quick look at the kill() issue.

OK, quick (untested) hack below. Open to suggestions if anyone's got a
better way to do it...

Regards, Dave

Index: kill.c
===================================================================
RCS file: /projects/cvsroot/pgsql-server/src/port/kill.c,v
retrieving revision 1.2
diff -u -r1.2 kill.c
--- kill.c	24 Jun 2004 18:53:48 -0000	1.2
+++ kill.c	24 Aug 2004 15:56:03 -0000
@@ -25,8 +25,25 @@
 	BYTE		sigData = sig;
 	BYTE		sigRet = 0;
 	DWORD		bytes;
+	DWORD		handle;
 
-	if (sig >= PG_SIGNAL_COUNT || sig <= 0)
+	/* Look, but don't touch... */
+	if (sig == 0)
+	{
+		handle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
pid);
+		if (!handle)
+		{
+			errno = EINVAL;
+			return -1;
+		}
+		else
+		{
+			CloseHandle(handle);
+			return 0;
+		}
+	}
+	
+	/* Regular kill... */
+	if (sig >= PG_SIGNAL_COUNT || sig < 0)
 	{
 		errno = EINVAL;
 		return -1;

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Next:From: Tom LaneDate: 2004-08-24 15:59:34
Subject: Re: postmaster.pid
Previous:From: Vidyasagara GuntakaDate: 2004-08-24 15:23:37
Subject: Not able to build libpq for Windows using 8.0.0 beta1

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