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Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SI
From: |
Tassilo Horn |
Subject: |
Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM |
Date: |
Wed, 21 Jan 2009 19:49:13 +0000 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
Eli Zaretskii <address@hidden> writes:
Hi Eli,
>> How does emacs handle SIGTERM? Doesn't it simply run `kill-emacs'?
>
> No. Fatal signals, such as SIGTERM, are caught by a signal handler,
> which runs emacs.c:shut_down_emacs. `kill-emacs' in a nutshell runs
> `kill-emacs-hook' and then also calls shut_down_emacs.
Hm, at least if emacs runs as a daemon, I'd say that a simple "killall
emacs" (most probably by some script) is the standard way of stopping
it. Nobody wants to open a new frame just to shutdown emacs.
>> At least that's what I would expect.
>
> I don't think it's a good idea to run Lisp code from within a fatal
> signal handler. shut_down_emacs saves all unsaved buffers and cleans
> up the terminal, but doesn't do anything else, because Emacs's
> internal data structures can be very unstable at this point.
So what's the right way to shutdown emacs running as a daemon
noninteractively?
emacsclient --eval '(kill-emacs)'
queries for user input and waits till one connects and answers.
Bye,
Tassilo
- Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Tassilo Horn, 2009/01/21
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Eli Zaretskii, 2009/01/21
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM,
Tassilo Horn <=
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Stefan Monnier, 2009/01/21
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Eli Zaretskii, 2009/01/21
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Tassilo Horn, 2009/01/22
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Eli Zaretskii, 2009/01/22
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, mail, 2009/01/22
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Eli Zaretskii, 2009/01/23
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Andreas Schwab, 2009/01/22
- Re: Functions in kill-emacs-hook aren't run if emacs gets killed with SIGTERM, Eli Zaretskii, 2009/01/22