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Date: Thu, 10 May 2001 12:31:02 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: SIGTERM does not stop backend postgres processes immediately
Message-ID: <20010510123102.B15024@redhat.com>
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References: <E94FF01DFF6CD31186F4080009DC361502086B8D AT nttwr2 DOT tower DOT bldgs DOT butlermfg DOT org> <20010510112639 DOT A26981 AT enteract DOT com>
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In-Reply-To: <20010510112639.A26981@enteract.com>; from fred@ontosys.com on Thu, May 10, 2001 at 11:26:39AM -0500

On Thu, May 10, 2001 at 11:26:39AM -0500, Fred Yankowski wrote:
>To unblock recv() on receipt of a signal -- SIGHUP in particular, for
>this test -- I set up a signal handler that calls close() on the
>socket fd.  It looks to me like this should call
>fhandler_socket::close() on that fd, which then calls closesocket() on
>the underlying Win32/winsock SOCKET, which is purported to unblock
>the Win32 recv() call on that socket.

Remember this?
>Unfortunately, blocking recv() calls are not interruptible on Windows.
>I'm not aware of any mechanism for allowing this.

What do you think a signal handler does?  It would need to interrupt
a blocking recv() to work, wouldn't it?

cgf

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