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Date: Tue, 17 Jul 2001 10:30:48 +0200
From: Corinna Vinschen <cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: data in socketpair() channel lost if writer closes or exits without shutting down
Message-ID: <20010717103048.B15396@cygbert.vinschen.de>
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In-Reply-To: <20010716220033.E5607@redhat.com>; from cgf@redhat.com on Mon, Jul 16, 2001 at 10:00:33PM -0400

On Mon, Jul 16, 2001 at 10:00:33PM -0400, Christopher Faylor wrote:
> On Mon, Jul 16, 2001 at 09:54:05PM +0200, Corinna Vinschen wrote:
> >On Mon, Jul 16, 2001 at 02:00:10PM -0400, Jonathan Kamens wrote:
> >> Or, slightly more complex but slightly more correct, keep track of
> >> whether or not a socket was at some point shared between multiple
> >> processes (either as a result of a fork or as a result of sending a
> >> file descriptor between processes (does Cygwin support that?)).  When
> >> a socket is first shared, we can set SO_LINGER as I described above.
> >> Then, when a socket is closed, check if it was ever shared and call
> >> shutdown if it wasn't.
> >
> >Since Cygwin has currently no "device layer" (though planned for the
> >future) we have no sharing of data between duplicated and inherited
> >file descriptors, unfortunately.
> 
> I wonder if we could kludge something into the delete-on-close queue
> for now...

Hmm, probably...

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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