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:message-id:from:to:subject:in-reply-to :references:date; q=dns; s=default; b=GEYa/vvWoZnTpXAWR3Ht3HZugn uQ4TwvrDw6Rf8uVAbZrflrL4nnYXJQLq/aKzFL8t60mcUazcd+8CRGSnGH6KKa2m i8XR+cSDaRUlmdR624q8ScqN57EFvib6nNKuTduRleUbD6lp5ZUmlaDxG5Pv/SWb 5FTgtsN8wYLBXIs+w= 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:message-id:from:to:subject:in-reply-to :references:date; s=default; bh=g0roV1q8K+I209dHiRpWeekp9F0=; b= wsd9BjuJVq/tAylHbMAzWV0OKH500uFiKGZTPXJeicFmZJU0R0GhJLgP2V4YvTLn FV9n6+I6cNUlHyLEtjwk5SKsOSyMXHAzMp7HZJjD8WziYMD3tHdkuNlESLsuiPlQ xPe6s/ONwwkHSTyycVIUCMEzIKtFTRVPMU2TTO7oTU4= 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 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=2.9 required=5.0 tests=AWL,BAYES_50,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 X-HELO: nm21-vm10.access.bullet.mail.bf1.yahoo.com Message-ID: <946338.89157.bm@smtp116.sbc.mail.ne1.yahoo.com> X-Yahoo-SMTP: BDVluRmswBBpb4.UU1_zlPhs_ysfXcBVjBNXyWpyS_6pPgE- X-Rocket-Received: from solabel10.tnolan.com (tednolan AT 74 DOT 243 DOT 198 DOT 131 with plain [98.138.84.52]) by smtp116.sbc.mail.ne1.yahoo.com with SMTP; 14 Jan 2014 16:15:07 +0000 UTC From: tednolan AT bellsouth DOT net To: cygwin AT cygwin DOT com Subject: Re: fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54 In-reply-to: <52D55D96.8070407@redhat.com> References: <831845 DOT 98759 DOT bm AT smtp116 DOT sbc DOT mail DOT ne1 DOT yahoo DOT com> <52D55D96 DOT 8070407 AT redhat DOT com> Comments: In-reply-to Eric Blake message dated "Tue, 14 Jan 2014 08:53:58 -0700." Date: Tue, 14 Jan 2014 10:50:19 -0500 X-IsSubscribed: yes In message <52D55D96 DOT 8070407 AT redhat DOT com>you write: > >Your program may be violating POSIX, which would trigger undefined behavior. > >Quoting POSIX: > pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_05 > [long quote elided] Yikes! That's pretty impenatrable. And if it says what I think it says, it seems to violate the way I've understood Unix fork() and how fds (and stdio buffers) are inherited since forever. However.. Do I understand that to say that if the first thing my child does is fclose(fp); everything should be hunky-dory? Because I just tried that, and it's still not. -- 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