Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Date: Mon, 1 Aug 2005 16:39:34 +0200 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: 1.5.17: msgrcv doesn't report error with IPC_NOWAIT if ENOMSG Message-ID: <20050801143934.GE15968@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <20050721092307.55113.qmail@web25809.mail.ukl.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050721092307.55113.qmail@web25809.mail.ukl.yahoo.com> User-Agent: Mutt/1.4.2i On Jul 21 10:23, Marek Prochazka wrote: > Hi all, > > msgrcv deosn't return -1 if IPC_NOWAIT flag is used and no message of > desired type is in the queue. > > However, in such a case errno is set to ENOMSG as it should be. I can't reproduce this. My testcase returns -1 and ENOMSG just fine. I also inspected the message queue related source code which is basically the same running on FreeBSD. I don't see how it should be able to return something other than -1 in this case. If you're still sure there's a bug somewhere, please provide a reproducible, minimal testcase. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader mailto:cygwin@cygwin.com Red Hat, Inc. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/