GNU bug report logs - #5552
23.1; desktop seems not quite to understand session management

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jan Djärv <jan.h.d <at> swipnet.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#5552: closed (23.1; desktop seems not quite to understand
 session management)
Date: Sun, 02 May 2010 18:51:01 +0000

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Your message dated Sun, 02 May 2010 20:50:14 +0200
with message-id <4BDDC966.9070905 <at> swipnet.se>
and subject line Re: bug#5552: 23.1;	desktop seems not quite to understand session management
has caused the GNU bug report #5552,
regarding 23.1; desktop seems not quite to understand session management
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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5552: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=5552
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From: rrt <at> sc3d.org
To: bug-gnu-emacs <at> gnu.org
Subject: 23.1; desktop seems not quite to understand session management
Date: Tue, 09 Feb 2010 17:42:13 +0000

If I log out of my GNOME desktop then back in, desktop says that
another Emacs process (the old one) appears to be using the desktop
file and asks me if I want to use it anyway. If I say “y” then things
work as normal (unsurprisingly, since the old process is no longer
running). However, desktop should know that the old process is dead;
perhaps it needs to talk to the session manager code?


In GNU Emacs 23.1.1 (i486-pc-linux-gnu, GTK+ Version 2.18.3)
 of 2009-11-10 on vernadsky, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.10604000
configured using `configure  '--build=i486-linux-gnu' '--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_GB.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: CPerl

Minor modes in effect:
  show-paren-mode: t
  savehist-mode: t
  minibuffer-electric-default-mode: t
  iswitchb-mode: t
  icomplete-mode: t
  global-auto-revert-mode: t
  desktop-save-mode: t
  global-whitespace-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<down-mouse-1> <mouse-1> <help-echo> <down-mouse-1> 
<mouse-1> y <down-mouse-1> <mouse-1> <down-mouse-1> 
<mouse-1> M-x r e p o r t - e m <tab> <return>

Recent messages:
uncompressing emacs-6.gz...done
uncompressing emacs-7.gz...done
uncompressing emacs-8.gz...done
Scanning for "hard" Perl constructions... done
Loading make-mode...done
Scanning for "hard" Perl constructions... done
Scanning for "hard" Perl constructions... done
Scanning for "hard" Perl constructions... done
Lazy desktop load complete
call-interactively: Text is read-only [2 times]

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From: Jan Djärv <jan.h.d <at> swipnet.se>
To: Chong Yidong <cyd <at> stupidchicken.com>
Cc: 5552-done <at> debbugs.gnu.org, rrt <at> sc3d.org
Subject: Re: bug#5552: 23.1;	desktop seems not quite to understand session
	management
Date: Sun, 02 May 2010 20:50:14 +0200

2010-02-10 10:38, Chong Yidong skrev:
> Jan Djärv<jan.h.d <at> swipnet.se>  writes:
>
>> When you log out, the X connection is closed and emacs exits.
>> However, it does not run kill-emacs-hooks.  Desktop.el depends on that
>> hook to clean up after itself.
>>
>> Should we run kill-emacs instead of shut_down_emacs when exiting due
>> to X connection lost?
>
> There was a related thread about this a year ago, regarding how Emacs
> responds to SIGTERM by calling shut_down_emacs rather than kill-emacs:
>
>    http://lists.gnu.org/archive/html/emacs-devel/2009-01/msg00530.html
>
> The thread did not have a clear conclusion, but I'm in favor of changing
> things to run kill-emacs in such situations.  But I think this is best
> done after the release, unless someone can come up with a very
> convincing argument otherwise.

kill-emacs is now run in Emacs 24 when X connection is lost, when SIGTERM or 
SIGHUP is received (Gnome session management uses SIGHUP to kill X clients).

	Jan D.

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