X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Thu, 3 Mar 2011 12:13:50 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: 1.7.8: mq_timedreceive() blocks, mq_receive() with O_NONBLOCK blocks, too Message-ID: <20110303111350.GC16272@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <0C11C5BF0B29FD43A8D0250F711D497F89D5AD0D39@ex01-ubitronix.ubitronix.local> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0C11C5BF0B29FD43A8D0250F711D497F89D5AD0D39@ex01-ubitronix.ubitronix.local> User-Agent: Mutt/1.5.21 (2010-09-15) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 On Mar 3 10:57, Manuel Wienand wrote: > Hi, > > I have a problem with the mqueues. > If I use mq_timedreceive() and do not set O_NONBLOCK, mq_timedreceive() blocks forever and eats 100% of one cpu core. > If I use mq_receive() and set O_NONBLOCK, mq_receive() blocks forever (0% cpu). Thanks for the testcase! I can reproduce it. I'm a bit out of spare time right now, but I think I'll have a fix soon. Stay tuned. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple