From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#17561: Emacs can forget processes Date: Wed, 28 May 2014 16:00:39 -0700 Organization: UCLA Computer Science Department Message-ID: <53866A97.9030404@cs.ucla.edu> 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> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1401318090 31509 80.91.229.3 (28 May 2014 23:01:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 28 May 2014 23:01:30 +0000 (UTC) Cc: 17561@debbugs.gnu.org To: Jorgen Schaefer Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu May 29 01:01:23 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 1WpmqX-0008MQ-6O for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 28 May 2014 16:00:39 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 In-Reply-To: <20140528225346.227e166d@forcix.jorgenschaefer.de> 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:89645 Archived-At: On 05/28/2014 01:53 PM, Jorgen Schaefer wrote: > Dump of assembler code for function pthread_sigmask: > 0x00000000005642c0 <+0>: sub $0x8,%rsp > 0x00000000005642c4 <+4>: callq 0x405790 > 0x00000000005642c9 <+9>: xor %edx,%edx > 0x00000000005642cb <+11>: test %eax,%eax > 0x00000000005642cd <+13>: jns 0x5642d6 > 0x00000000005642cf <+15>: callq 0x405a10 <__errno_location@plt> > 0x00000000005642d4 <+20>: mov (%rax),%edx > 0x00000000005642d6 <+22>: mov %edx,%eax > 0x00000000005642d8 <+24>: add $0x8,%rsp > 0x00000000005642dc <+28>: retq Bingo! We're on the right track. sigprocmask is *definitely* the wrong thing to call here, and would explain your symptoms. Can you please send the preprocessed output of pthread_sigmask.c? That is, if 'make' uses the following command to build pthread_sigmask.o: gcc -std=gnu99 -DHAVE_CONFIG_H -I../src -g3 -O2 -c pthread_sigmask.c then please send the output of: gcc -std=gnu99 -DHAVE_CONFIG_H -I../src -g3 -O2 -E pthread_sigmask.c It may be large; OK to send it as a compressed attachment. Thanks.