Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sources.redhat.com Delivered-To: mailing list cygwin@sources.redhat.com Date: Tue, 17 Jul 2001 10:30:48 +0200 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: data in socketpair() channel lost if writer closes or exits without shutting down Message-ID: <20010717103048.B15396@cygbert.vinschen.de> Mail-Followup-To: cygwin@cygwin.com References: <20010713181435.3695.qmail@lizard.curl.com> <20010713202146.B11377@redhat.com> <20010716025220.23701.qmail@lizard.curl.com> <20010716095258.P25442@cygbert.vinschen.de> <20010716180010.2309.qmail@lizard.curl.com> <20010716215405.F25442@cygbert.vinschen.de> <20010716220033.E5607@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i 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@cygwin.com Red Hat, Inc. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/