From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#36609: 27.0.50; Possible race-condition in threading implementation Date: Fri, 21 Aug 2020 14:57:29 +0200 Message-ID: <874kow5f7q.fsf@gnus.org> References: <87muhks3b5.fsf@hochschule-trier.de> <83muhj2zmb.fsf@gnu.org> <83ims72xcj.fsf@gnu.org> <83a7dj2sz9.fsf@gnu.org> <835zo72jmr.fsf@gnu.org> <834l3r2jbe.fsf@gnu.org> <8336jb2fhq.fsf@gnu.org> <83wogmyo1k.fsf@gnu.org> <83sgraylof.fsf@gnu.org> <83r26tzzvm.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14287"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 36609@debbugs.gnu.org, politza@hochschule-trier.de To: Pip Cet Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 21 14:58:10 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k96cT-0003ax-3C for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 21 Aug 2020 14:58:09 +0200 Original-Received: from localhost ([::1]:35612 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k96cR-0001wB-Ks for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 21 Aug 2020 08:58:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38412) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k96cL-0001vx-Uq for bug-gnu-emacs@gnu.org; Fri, 21 Aug 2020 08:58:01 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33823) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k96cL-0004Ru-KP for bug-gnu-emacs@gnu.org; Fri, 21 Aug 2020 08:58:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1k96cL-0002H4-J5 for bug-gnu-emacs@gnu.org; Fri, 21 Aug 2020 08:58:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 21 Aug 2020 12:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36609 X-GNU-PR-Package: emacs Original-Received: via spool by 36609-submit@debbugs.gnu.org id=B36609.15980146628695 (code B ref 36609); Fri, 21 Aug 2020 12:58:01 +0000 Original-Received: (at 36609) by debbugs.gnu.org; 21 Aug 2020 12:57:42 +0000 Original-Received: from localhost ([127.0.0.1]:45366 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k96c1-0002GB-VR for submit@debbugs.gnu.org; Fri, 21 Aug 2020 08:57:42 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:42260) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k96bz-0002Fu-UN for 36609@debbugs.gnu.org; Fri, 21 Aug 2020 08:57:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=AJf+no//z+rCxMapo96qn4Plo3WH7jMdAvt3RrT3jTo=; b=PScV1AO2vk1uFj4xLhYQkOVxie LywRJnxBGkAHbumAGhJ1N1d8lGSU7wQvEvoYJyKUynBQZWDI/46P/+3PYlWmUmy00v3LtxxhjMhg5 bjN9u/rYsAou+ZzvtAefgO1oavhQetyPGvJMqBiz0792WBkhfAQdHLYk5fT3zE9K6t/o=; Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=xo) by quimby with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k96br-0003sc-5Z; Fri, 21 Aug 2020 14:57:33 +0200 X-Now-Playing: The Raincoats's _The Raincoats_: "You're a Million" In-Reply-To: (Pip Cet's message of "Sat, 13 Jul 2019 18:17:41 +0000") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:185854 Archived-At: Pip Cet writes: > Patch attached. > > It's possible this'll livelock certain glib libraries that want to > modify the glib main context while another thread is running. I don't > see a good way to fix that, but a bad way would be to apply some > heuristic (such as a 10 ms delay between calling select() and assuming > it actually was called). Skimming this thread, it seems that Eli was in agreement with applying it, and Andreas has tried it extensively and it fixes the problem, so I've applied it to Emacs 28 now. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no