From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#11415: 24.1.50; Dbus hangs indefinitely during batch mode & daemon startup Date: Mon, 07 May 2012 16:28:05 +0200 Message-ID: <87fwbc9ibu.fsf@gmx.de> References: <4FA5A187.1010601@thompsonclan.org> <87d36hshg5.fsf@gmx.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1336400958 27727 80.91.229.3 (7 May 2012 14:29:18 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 7 May 2012 14:29:18 +0000 (UTC) Cc: Christopher Schmidt , 11415@debbugs.gnu.org To: "Ryan C. Thompson" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon May 07 16:29:16 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 1SROw6-0002IM-42 for geb-bug-gnu-emacs@m.gmane.org; Mon, 07 May 2012 16:29:14 +0200 Original-Received: from localhost ([::1]:34036 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SROw5-0006Hz-ER for geb-bug-gnu-emacs@m.gmane.org; Mon, 07 May 2012 10:29:13 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:49610) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SROvv-0006HA-VN for bug-gnu-emacs@gnu.org; Mon, 07 May 2012 10:29:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SROvu-0001Ro-2X for bug-gnu-emacs@gnu.org; Mon, 07 May 2012 10:29:03 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:38603) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SROvt-0001Rb-Ve for bug-gnu-emacs@gnu.org; Mon, 07 May 2012 10:29:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1SROxq-0002hR-F6 for bug-gnu-emacs@gnu.org; Mon, 07 May 2012 10:31:02 -0400 X-Loop: help-debbugs@gnu.org In-Reply-To: <4FA5A187.1010601@thompsonclan.org> Resent-From: Michael Albinus Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 07 May 2012 14:31:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 11415 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 11415-submit@debbugs.gnu.org id=B11415.133640101910325 (code B ref 11415); Mon, 07 May 2012 14:31:02 +0000 Original-Received: (at 11415) by debbugs.gnu.org; 7 May 2012 14:30:19 +0000 Original-Received: from localhost ([127.0.0.1]:39637 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SROx8-0002gT-M9 for submit@debbugs.gnu.org; Mon, 07 May 2012 10:30:19 -0400 Original-Received: from mailout-de.gmx.net ([213.165.64.22]:42150) by debbugs.gnu.org with smtp (Exim 4.72) (envelope-from ) id 1SROx5-0002gF-IE for 11415@debbugs.gnu.org; Mon, 07 May 2012 10:30:16 -0400 Original-Received: (qmail invoked by alias); 07 May 2012 14:28:07 -0000 Original-Received: from p57BB97FB.dip0.t-ipconnect.de (EHLO detlef.gmx.de) [87.187.151.251] by mail.gmx.net (mp036) with SMTP; 07 May 2012 16:28:07 +0200 X-Authenticated: #3708877 X-Provags-ID: V01U2FsdGVkX1/XVYl4ghHXJYbOVLckgk8m/JbJJ7aVvnJRhJWB0g HyV8+WZVcLNJ4x User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux) X-Y-GMX-Trusted: 0 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 (newer, 2) 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:59834 Archived-At: Michael Albinus writes: > In Emacs 24.1.50, `dbus-call-method' changed from a synchronous call to > an asynchronous one (see etc/NEWS). If Emacs runs in batch mode, it > doesn't seem to read incoming events. Therefore, the return event of the > call is not read. > > I will see what can be done. Either we must enable Emacs to receive some > special input events also in batch mode. Or we must check inside > `dbus-call-method', whether Emacs runs daemonized, and use the blocking > call then. > > I would prefer the first alternative, because receiving D-Bus signals and > running Emacs as D-Bus enabled server does not work either when Emacs > does not accept incoming events. I have debugged further. The problem is in kbd_buffer_get_event of keyboard.c - it does not read special events when noninteractive. The following patch cures the problem for me: --8<---------------cut here---------------start------------->8--- *** /home/albinus/src/emacs/src/keyboard.c.~108144~ --- /home/albinus/src/emacs/src/keyboard.c *************** *** 3801,3806 **** --- 3801,3807 ---- } #endif /* subprocesses */ + #if 0 /* We want to read special events in batch mode. */ if (noninteractive /* In case we are running as a daemon, only do this before detaching from the terminal. */ *************** *** 3811,3816 **** --- 3812,3818 ---- *kbp = current_kboard; return obj; } + #endif /* Wait until there is input available. */ for (;;) --8<---------------cut here---------------end--------------->8--- However, I don't know whether it has undesired side effects. What do people think? Best regards, Michael.