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Date:	Thu, 10 May 2001 12:36:28 -0500
From:	Fred Yankowski <fred AT ontosys DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: SIGTERM does not stop backend postgres processes immediately
Message-ID:	<20010510123628.A48047@enteract.com>
References:	<E94FF01DFF6CD31186F4080009DC361502086B8D AT nttwr2 DOT tower DOT bldgs DOT butlermfg DOT org> <20010510112639 DOT A26981 AT enteract DOT com> <20010510123102 DOT B15024 AT redhat DOT com>
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In-Reply-To:	<20010510123102.B15024@redhat.com>; from cgf@redhat.com on Thu, May 10, 2001 at 12:31:02PM -0400

On Thu, May 10, 2001 at 12:31:02PM -0400, Christopher Faylor wrote:
> Remember this?
> >Unfortunately, blocking recv() calls are not interruptible on Windows.
> >I'm not aware of any mechanism for allowing this.

Some research led me to believe that closesocket() could unblock a
Win32 recv() call.

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

Are you saying that a blocking recv() _must_ never be interrupted,
even if a mechanism exists that would make that possible?   If so,
what is the basis for that decision?  The recv() specified by the Open
Group [1] seems to allow for an EINTR error case.


[1] http://www.opengroup.org/onlinepubs/7908799/xns/recv.html

-- 
Fred Yankowski           fred AT OntoSys DOT com      tel: +1.630.879.1312
Principal Consultant     www.OntoSys.com       fax: +1.630.879.1370
OntoSys, Inc             38W242 Deerpath Rd, Batavia, IL 60510, USA

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