From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Proced signals (was: Change in vc-git ls-files-unknown makes emacs hang) Date: Sat, 21 Dec 2019 23:51:18 +0200 Organization: LINKOV.NET Message-ID: <87imm94msx.fsf_-_@mail.linkov.net> References: <08cfaf0c-215f-1b02-37f8-2b3886a319c7@yandex.ru> <3ffa93fe-06af-2920-812c-4a67367f2933@yandex.ru> <83fthf1mff.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="44550"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (x86_64-pc-linux-gnu) Cc: emacs-devel@gnu.org, Filipp Gunbin , andreyk.mad@gmail.com, Dmitry Gutov To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Dec 21 23:10:10 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iimwq-000BSV-R8 for ged-emacs-devel@m.gmane.org; Sat, 21 Dec 2019 23:10:09 +0100 Original-Received: from localhost ([::1]:42442 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iimwp-0007vp-93 for ged-emacs-devel@m.gmane.org; Sat, 21 Dec 2019 17:10:07 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50546) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iimwi-0007ud-2H for emacs-devel@gnu.org; Sat, 21 Dec 2019 17:10:01 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iimwg-0006FJ-FG for emacs-devel@gnu.org; Sat, 21 Dec 2019 17:09:59 -0500 Original-Received: from caracal.birch.relay.mailchannels.net ([23.83.209.30]:47395) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iimwe-0005vu-7o; Sat, 21 Dec 2019 17:09:56 -0500 X-Sender-Id: dreamhost|x-authsender|jurta@jurta.org Original-Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id E1FFB600870; Sat, 21 Dec 2019 22:09:52 +0000 (UTC) Original-Received: from pdx1-sub0-mail-a1.g.dreamhost.com (100-96-4-18.trex.outbound.svc.cluster.local [100.96.4.18]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 41996600671; Sat, 21 Dec 2019 22:09:52 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|jurta@jurta.org Original-Received: from pdx1-sub0-mail-a1.g.dreamhost.com ([TEMPUNAVAIL]. [64.90.62.162]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384) by 0.0.0.0:2500 (trex/5.18.5); Sat, 21 Dec 2019 22:09:52 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|jurta@jurta.org X-MailChannels-Auth-Id: dreamhost X-Trade-Lyrical: 78d3ab4b2e779f1a_1576966192541_1518494238 X-MC-Loop-Signature: 1576966192541:2225756567 X-MC-Ingress-Time: 1576966192541 Original-Received: from pdx1-sub0-mail-a1.g.dreamhost.com (localhost [127.0.0.1]) by pdx1-sub0-mail-a1.g.dreamhost.com (Postfix) with ESMTP id F1B6F7F617; Sat, 21 Dec 2019 14:09:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=linkov.net; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=linkov.net; bh=r/wfFV/+f8uIMLq4RCv1bXu0b9g=; b= wx3rA0ILZpRFE2t3GT1+K/7F9SgCiryLU7aLMB6HaxVEG6KC+JIB3MINSyEAgWZ+ EVmKB2NXleHHkaGr2BmCKuUGMWWeCYrC5wJNiK46pq9Y3H3DqSZNRNdWMvk7n7zE trrSiwf+7tady1Fxt/+5atyeBtgJuoNbShhoAcIBlts= Original-Received: from mail.jurta.org (m91-129-107-186.cust.tele2.ee [91.129.107.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: jurta@jurta.org) by pdx1-sub0-mail-a1.g.dreamhost.com (Postfix) with ESMTPSA id EA2937F609; Sat, 21 Dec 2019 14:09:43 -0800 (PST) X-DH-BACKEND: pdx1-sub0-mail-a1 In-Reply-To: <83fthf1mff.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 20 Dec 2019 09:33:08 +0200") X-VR-OUT-STATUS: OK X-VR-OUT-SCORE: -100 X-VR-OUT-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedufedrvdduhedgudehfecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucggtfgfnhhsuhgsshgtrhhisggvpdfftffgtefojffquffvnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffuohhfffgjkfgfgggtsehttdertddtredtnecuhfhrohhmpefluhhrihcunfhinhhkohhvuceojhhurhhisehlihhnkhhovhdrnhgvtheqnecukfhppeeluddruddvledruddtjedrudekieenucfrrghrrghmpehmohguvgepshhmthhppdhhvghlohepmhgrihhlrdhjuhhrthgrrdhorhhgpdhinhgvthepledurdduvdelrddutdejrddukeeipdhrvghtuhhrnhdqphgrthhhpefluhhrihcunfhinhhkohhvuceojhhurhhisehlihhnkhhovhdrnhgvtheqpdhmrghilhhfrhhomhepjhhurhhisehlihhnkhhovhdrnhgvthdpnhhrtghpthhtohepvghlihiisehgnhhurdhorhhgnecuvehluhhsthgvrhfuihiivgeptd X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 23.83.209.30 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:243550 Archived-At: >> So, opinions welcome. > > My HO is that we need to understand better which code causes the > freeze, before we can discuss solutions. > > Filipp, please produce a backtrace during the freeze, either by using > SIGUSR2, as Stefan suggested, or by attaching a debugger, and post the > backtrace. BTW, why proced.el doesn't support SIGUSR2? Is this because some standard doesn't declare SIGUSR2 as "portable"?