From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#13192: 24.3.50; gdb caught SIG_DFL after launching a process Date: Sat, 15 Dec 2012 17:50:15 +0200 Message-ID: <838v8zmi14.fsf@gnu.org> References: <87ip83tqmr.fsf@googlemail.com> <83ehirmneh.fsf@gnu.org> <87sj77l4cg.fsf@kanis.fr> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1355586661 5149 80.91.229.3 (15 Dec 2012 15:51:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 15 Dec 2012 15:51:01 +0000 (UTC) Cc: 13192@debbugs.gnu.org To: Ivan Kanis Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Dec 15 16:51:15 2012 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 1Tju1D-0006GG-6T for geb-bug-gnu-emacs@m.gmane.org; Sat, 15 Dec 2012 16:51:15 +0100 Original-Received: from localhost ([::1]:44435 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tju10-0001Qo-65 for geb-bug-gnu-emacs@m.gmane.org; Sat, 15 Dec 2012 10:51:02 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:45254) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tju0x-0001Qh-Sn for bug-gnu-emacs@gnu.org; Sat, 15 Dec 2012 10:51:00 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tju0w-0002fG-QD for bug-gnu-emacs@gnu.org; Sat, 15 Dec 2012 10:50:59 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:33982) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tju0w-0002fB-Mt for bug-gnu-emacs@gnu.org; Sat, 15 Dec 2012 10:50:58 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Tju1y-0008Ia-AI for bug-gnu-emacs@gnu.org; Sat, 15 Dec 2012 10:52:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 15 Dec 2012 15:52:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13192 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13192-submit@debbugs.gnu.org id=B13192.135558667931848 (code B ref 13192); Sat, 15 Dec 2012 15:52:02 +0000 Original-Received: (at 13192) by debbugs.gnu.org; 15 Dec 2012 15:51:19 +0000 Original-Received: from localhost ([127.0.0.1]:44233 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tju1H-0008Hd-BI for submit@debbugs.gnu.org; Sat, 15 Dec 2012 10:51:19 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:58720) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tju1E-0008HS-9l for 13192@debbugs.gnu.org; Sat, 15 Dec 2012 10:51:17 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MF200F00X5DQQ00@a-mtaout22.012.net.il> for 13192@debbugs.gnu.org; Sat, 15 Dec 2012 17:50:10 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MF200FLMXBMH180@a-mtaout22.012.net.il>; Sat, 15 Dec 2012 17:50:10 +0200 (IST) In-reply-to: <87sj77l4cg.fsf@kanis.fr> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.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:68566 Archived-At: > From: Ivan Kanis > Cc: 13192@debbugs.gnu.org > Date: Sat, 15 Dec 2012 16:31:11 +0100 > > Eli Zaretskii wrote: > > >> #0 terminate_due_to_signal (sig=6, backtrace_limit=10) at emacs.c:315 > >> No locals. > >> #1 0x081756cb in emacs_abort () at sysdep.c:2113 > >> No locals. > >> #2 0x08173b5c in get_child_status (child=12251, status=0xbfffdae4, options=3, > >> interruptible=false) at sysdep.c:297 > >> pid = -1 > > > > What is the value of errno in this frame #2? > > 10 Which is ECHILD, AFAIK. So I think the problem is that, while we wait for a process to exit in 'waitpid', that function is interrupted by SIGCHLD, and the signal handler re-enters 'waitpid', which now returns with ECHILD instead of EINTR.