From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 46439 invoked by alias); 30 Jul 2016 18:28:01 -0000 Mailing-List: contact gnu-gabi-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Post: List-Help: List-Subscribe: Sender: gnu-gabi-owner@sourceware.org Received: (qmail 46138 invoked by uid 89); 30 Jul 2016 18:28:00 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Checked: by ClamAV 0.99.1 on sourceware.org X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=AWL,BAYES_40,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 spammy=20160701, 2016-07-01, Hx-languages-length:529, ifuncs X-Spam-Status: No, score=-1.4 required=5.0 tests=AWL,BAYES_40,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on sourceware.org X-Spam-Level: X-HELO: port70.net Date: Fri, 01 Jan 2016 00:00:00 -0000 From: Szabolcs Nagy To: Florian Weimer Cc: Carlos O'Donell , hegdesmailbox@gmail.com, gnu-gabi@sourceware.org Subject: Re: GNU dlopen(3) differs from POSIX/IEEE Message-ID: <20160730182745.GV19691@port70.net> References: <25bc0c78-19ae-8974-b142-bb57f21cdb3d@gmail.com> <763cd6f7-e33d-8d14-c0ba-f4e5797ddfa6@gmail.com> <42a86c64-a042-0c0d-9601-49729816c825@redhat.com> <8fead36d-c757-038a-3914-146ebeee8830@gmail.com> <877fd5dr38.fsf@mid.deneb.enyo.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <877fd5dr38.fsf@mid.deneb.enyo.de> User-Agent: Mutt/1.5.24 (2015-08-30) X-SW-Source: 2016-q3/txt/msg00003.txt.bz2 * Florian Weimer [2016-07-01 22:46:19 +0200]: > I am not sure what the exact semantics of lazy binding should be. > With IFUNCs, lazy binding is observable, and we know from Fedora's > BIND_NOW experiment that some applications assume that undefined > functions which are never called do not cause any trouble whatsoever. this bind now experiment made me curious but i could not find the results and its description. is there a list of affected packages somewhere?