Mailing-List: contact cygwin-help AT sourceware DOT cygnus DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT sources DOT redhat DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT sources DOT redhat DOT com>
List-Help: <mailto:cygwin-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT sources DOT redhat DOT com
Delivered-To: mailing list cygwin AT sources DOT redhat DOT com
Date: Tue, 18 Sep 2001 11:47:59 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: fcntl(F_SETFD) on a file or socket handle
Message-ID: <20010918114759.E510@redhat.com>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <077d01c1400e$2d92cdc0$d2823bd5 AT dmitry> <20010918101238 DOT H22900 AT cygbert DOT vinschen DOT de> <0b5101c14028$47e90e90$d2823bd5 AT dmitry>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <0b5101c14028$47e90e90$d2823bd5@dmitry>
User-Agent: Mutt/1.3.21i

On Tue, Sep 18, 2001 at 06:55:13PM +0900, Dmitry Timoshkov wrote:
>"Corinna Vinschen" <cygwin AT cygwin DOT com> wrote:
>
>[skipped]
>
>> > I didn't investigate it further, and probably will not have time in the near
>> > future to do so. Sorry.
>> 
>> :-(
>> 
>> You could at least send a testcase if you don't want to debug it.
>
>I'll try, when have a bit of spare time, but I would not promise anything.
>The described scenario is used in almost an every client/server application.
>
>Here is a short description of what is going on:
>
>Client forks and execs server. Server creates unix domain socket, does fork()
>and after all preparations calls accept() on it.
>
>Client then creates socket and calls connect() on it. Right after successful
>return from connect(), client does fcntl(fd, F_SETFD, 1). Right after fcntl()
>server gets error from accept(). If client calls fcntl() *before* connect(),
>all goes without any hitch.
>
>Right now I can't help with something more. Sorry again.

This should be fixed in snapshots.

cgf

--
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/