From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: C backtraces for Emacs Date: Wed, 22 Aug 2012 19:01:42 +0300 Message-ID: <83628ac3vd.fsf@gnu.org> References: <502EDAF3.6030005@cs.ucla.edu> <5034A54F.6020006@cs.ucla.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1345651330 24764 80.91.229.3 (22 Aug 2012 16:02:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 22 Aug 2012 16:02:10 +0000 (UTC) Cc: lekktu@gmail.com, monnier@IRO.UMontreal.CA, emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Aug 22 18:02:08 2012 Return-path: Envelope-to: ged-emacs-devel@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 1T4DNf-0003wp-E6 for ged-emacs-devel@m.gmane.org; Wed, 22 Aug 2012 18:02:07 +0200 Original-Received: from localhost ([::1]:52888 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T4DNd-000502-Mv for ged-emacs-devel@m.gmane.org; Wed, 22 Aug 2012 12:02:05 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:48838) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T4DNW-0004zU-23 for emacs-devel@gnu.org; Wed, 22 Aug 2012 12:02:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T4DNV-0006l5-02 for emacs-devel@gnu.org; Wed, 22 Aug 2012 12:01:57 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:33494) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T4DNU-0006kw-O1 for emacs-devel@gnu.org; Wed, 22 Aug 2012 12:01:56 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0M9500J00Z5OBN00@a-mtaout20.012.net.il> for emacs-devel@gnu.org; Wed, 22 Aug 2012 19:01:36 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0M9500JNIZ6N0I40@a-mtaout20.012.net.il>; Wed, 22 Aug 2012 19:01:36 +0300 (IDT) In-reply-to: <5034A54F.6020006@cs.ucla.edu> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-Received-From: 80.179.55.166 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:152747 Archived-At: > Date: Wed, 22 Aug 2012 02:24:31 -0700 > From: Paul Eggert > Cc: Juanma Barranquero , Eli Zaretskii , > emacs-devel@gnu.org > > I'll hold off installing this to give Eli and Juanma a heads-up, as it > creates a new substitute header on non-GNUish systems, > and the Windows build will need to do something similar. If I understand > things correctly Windows already does backtraces in a different way, so > its execinfo.h can just be a copy of execinfo.in.h. I'm not sure what you mean. An assertion violation on Windows calls a function that displays an abort dialogue, giving the user a chance to attach a debugger. If the user does attach a debugger, she can then display a backtrace from the debugger. There's no other facility to display a backtrace on Windows that I'm aware of.