X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; q=dns; s= default; b=eaUcCTOcP7v94PW+SA8/X6w7i77z/M5Lt/gfWDJIzq5EE7oQwcJaW Ljx1dhgbCMy+AZ3yb74F4wb0NAEvz0i7sfCgUb6G3tAI40L8fjWwS1lySXAiD4c7 /dyyJw6NO3y2tgV3nwD7+UsCUkCr0ia1obXay2gcv6+PLEvi+FseR4= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; s=default; bh=c/tmATSqef9LFmgimFdLAYG2mnM=; b=yY0ndqoFdKB5XpgIAY13TRjK8Ftj WBEDW2PfCuh90+ooChxKlQ2Df7pt7yOlvz2IvMT/SFMuZp+Mwu2SZuJLzQHfGocQ WwCgw9a9/o/5xfVTFOVEpV408lTHA06jeGfKZbeg+yc+sqm/W/OP1LwOaCqjqbir V16vYzFBAk4FMRE= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_YE autolearn=ham version=3.3.1 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Report-Abuse-To: abuse AT dyndns DOT com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX18z3XCDDZUkSGqWUQ+t7tbg Date: Fri, 29 Mar 2013 09:29:42 -0400 From: Christopher Faylor To: cygwin AT cygwin DOT com Subject: Re: SIGCHLD is not delivered Message-ID: <20130329132942.GD3460@ednor.casa.cgf.cx> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <5154460D DOT 4090101 AT mathematik DOT uni-kl DOT de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5154460D.4090101@mathematik.uni-kl.de> User-Agent: Mutt/1.5.20 (2009-06-14) On Thu, Mar 28, 2013 at 02:30:53PM +0100, Andreas Steenpa? wrote: >I have noticed that sometimes SIGCHLD is not delivered when a child >process exits. I can reproduce this behaviour reliably under the >following, very special circumstances: I've uploaded a new snapshot which seems to fix this problem. Before running it, I could see a rare when I ran your test case in a loop. After, I never saw a hang. Thanks for the test case and please give the snapshot a try. cgf -- 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