From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#17561: Emacs can forget processes Date: Thu, 29 May 2014 17:22:49 +0200 Message-ID: <87iooo4njq.fsf@igel.home> References: <537F773C.8060202@cs.ucla.edu> <20140523184419.70fe136d@forcix.jorgenschaefer.de> <538124C0.8080107@cs.ucla.edu> <20140525095735.6cfac9af@forcix.jorgenschaefer.de> <53837516.3070508@cs.ucla.edu> <20140526204952.1dba664e@forcix.jorgenschaefer.de> <5383D535.2000407@cs.ucla.edu> <20140527202756.7bade0ce@forcix.jorgenschaefer.de> <538506AB.3090201@cs.ucla.edu> <20140528001641.190b7ada@forcix.jorgenschaefer.de> <5385322D.7030406@cs.ucla.edu> <20140528225346.227e166d@forcix.jorgenschaefer.de> <53866A97.9030404@cs.ucla.edu> <20140529013505.65346321@forcix.jorgenschaefer.de> <5386B4E4.4070100@cs.ucla.edu> <20140529133927.3570a795@forcix.jorgenschaefer.de> <53874D9F.5030107@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1401377065 10941 80.91.229.3 (29 May 2014 15:24:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 29 May 2014 15:24:25 +0000 (UTC) Cc: 17561@debbugs.gnu.org, Jorgen Schaefer To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu May 29 17:24:17 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Wq2Bk-0003ox-NG for geb-bug-gnu-emacs@m.gmane.org; Thu, 29 May 2014 17:24:16 +0200 Original-Received: from localhost ([::1]:48690 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wq2Bk-00020f-A2 for geb-bug-gnu-emacs@m.gmane.org; Thu, 29 May 2014 11:24:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60550) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wq2Bc-0001zg-Mr for bug-gnu-emacs@gnu.org; Thu, 29 May 2014 11:24:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wq2BW-0006y6-SW for bug-gnu-emacs@gnu.org; Thu, 29 May 2014 11:24:08 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37332) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wq2BW-0006y2-Pv for bug-gnu-emacs@gnu.org; Thu, 29 May 2014 11:24:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Wq2BW-0002uU-6p for bug-gnu-emacs@gnu.org; Thu, 29 May 2014 11:24:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 29 May 2014 15:24:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17561 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 17561-submit@debbugs.gnu.org id=B17561.140137698311079 (code B ref 17561); Thu, 29 May 2014 15:24:02 +0000 Original-Received: (at 17561) by debbugs.gnu.org; 29 May 2014 15:23:03 +0000 Original-Received: from localhost ([127.0.0.1]:36208 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Wq2AU-0002sB-Vj for submit@debbugs.gnu.org; Thu, 29 May 2014 11:23:02 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.9]:58740) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Wq2AO-0002ru-UQ for 17561@debbugs.gnu.org; Thu, 29 May 2014 11:22:56 -0400 Original-Received: from frontend1.mail.m-online.net (frontend1.mail.intern.m-online.net [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id 3gfXj759Hmz3hhbZ; Thu, 29 May 2014 17:22:51 +0200 (CEST) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 3gfXj71q3Hzbbl5; Thu, 29 May 2014 17:22:51 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.180]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavisd-new, port 10024) with ESMTP id mnBfuPnC4x3P; Thu, 29 May 2014 17:22:49 +0200 (CEST) X-Auth-Info: XbC95+N5u0qr99JDPd8M85TSShveiJJuiokv6C7VAlk= Original-Received: from igel.home (host-188-174-218-216.customer.m-online.net [188.174.218.216]) by mail.mnet-online.de (Postfix) with ESMTPA; Thu, 29 May 2014 17:22:49 +0200 (CEST) Original-Received: by igel.home (Postfix, from userid 1000) id A26E92C01F4; Thu, 29 May 2014 17:22:49 +0200 (CEST) X-Yow: Yow! Now we can become alcoholics! In-Reply-To: <53874D9F.5030107@cs.ucla.edu> (Paul Eggert's message of "Thu, 29 May 2014 08:09:19 -0700") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.91 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:89686 Archived-At: Paul Eggert writes: >> 13:28:46 kill(4294962889, SIGKILL) = 0 <0.002883> >> 13:28:46 --- SIGIO (I/O possible) @ 0 (0) --- >> 13:28:46 rt_sigreturn(0x1d) = 0 <0.000021> >> 13:28:46 rt_sigprocmask(SIG_SETMASK, [QUIT ALRM CHLD PROF], NULL, 8) = 0 <0.000016> >> 13:28:46 ioctl(3, FIONREAD, [0]) = 0 <0.000018> >> 13:28:46 rt_sigprocmask(SIG_BLOCK, [CHLD], [QUIT ALRM CHLD PROF], 8) = 0 <0.000017> >> 13:28:46 kill(4294962889, SIGHUP) = 0 <0.000017> > > I'm surprised by the above trace. The first kill(-4407,SIGKILL) succeeds, > indicating that Emacs still has a subprocess. But Emacs doesn't get a > SIGCHLD, even after it unblocks SIGCHLD. Nothing in that sequence unblocks SIGCHLD. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."