From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Nick Roberts Newsgroups: gmane.emacs.devel Subject: Re: C-g crash redux Date: Thu, 3 Aug 2006 10:07:56 +1200 Message-ID: <17617.8764.824445.882539@kahikatea.snap.net.nz> References: <877j1qvp4k.fsf@pacem.orebokech.com> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1154556630 9900 80.91.229.2 (2 Aug 2006 22:10:30 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 2 Aug 2006 22:10:30 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Aug 03 00:10:28 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1G8Ov5-0001Ws-7N for ged-emacs-devel@m.gmane.org; Thu, 03 Aug 2006 00:10:27 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1G8Ov4-0007dG-K2 for ged-emacs-devel@m.gmane.org; Wed, 02 Aug 2006 18:10:26 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1G8OuF-0007Kg-Py for emacs-devel@gnu.org; Wed, 02 Aug 2006 18:09:35 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1G8OuE-0007K6-U9 for emacs-devel@gnu.org; Wed, 02 Aug 2006 18:09:35 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1G8OuE-0007Jz-GP for emacs-devel@gnu.org; Wed, 02 Aug 2006 18:09:34 -0400 Original-Received: from [202.37.101.8] (helo=viper.snap.net.nz) by monty-python.gnu.org with esmtp (Exim 4.52) id 1G8OxQ-00081x-JG for emacs-devel@gnu.org; Wed, 02 Aug 2006 18:12:53 -0400 Original-Received: from kahikatea.snap.net.nz (p202-124-124-113.snap.net.nz [202.124.124.113]) by viper.snap.net.nz (Postfix) with ESMTP id 7E3DB77667D; Thu, 3 Aug 2006 10:09:30 +1200 (NZST) Original-Received: by kahikatea.snap.net.nz (Postfix, from userid 500) id 89ADDBE3B3; Thu, 3 Aug 2006 10:07:58 +1200 (NZST) Original-To: Romain Francoise In-Reply-To: <877j1qvp4k.fsf@pacem.orebokech.com> X-Mailer: VM 7.19 under Emacs 22.0.50.13 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:58021 Archived-At: Romain Francoise writes: > I can crash Emacs reliably with current (Aug 2nd) sources by hitting C-g > while it's preparing a partial-completion-mode prompt. I just did it > three times in a row. The Lisp backtrace shows that it's indeed related > to sit-for: Emacs can be made to crash simply by evaluating (sit-for 4) in the scratch buffer and typing C-g before four seconds elapse. It's due to this change: 2006-08-01 Kim F. Storm * process.c (wait_reading_process_output_unwind): New function. Restores waiting_for_user_input_p to saved value. (wait_reading_process_output): Unwind protect waiting_for_user_input_p instead of save/restore old value on stack. Presumably wait_reading_process_output is interrupted before it can do: unbind_to (count, Qnil); -- Nick http://www.inet.net.nz/~nickrob