From: miquels@cistron-office.nl (Miquel van Smoorenburg)
To: linux-kernel@vger.kernel.org
Subject: Re: Let init know user wants to shutdown
Date: Tue, 10 Apr 2001 23:20:24 +0000 (UTC) [thread overview]
Message-ID: <9b04fo$9od$3@ncc1701.cistron.net> (raw)
In-Reply-To: <20010405000215.A599@bug.ucw.cz>
In article <20010405000215.A599@bug.ucw.cz>,
Pavel Machek <pavel@suse.cz> wrote:
>Hi!
>
>Init should get to know that user pressed power button (so it can do
>shutdown and poweroff). Plus, it is nice to let user know that we can
>read such event. [I hunted bug for few hours, thinking that kernel
>does not get the event at all].
>
>Here's patch to do that. Please apply,
Not so hasty ;)
>+ printk ("acpi: Power button pressed!\n");
>+ kill_proc (1, SIGTERM, 1);
SIGTERM is a bad choise. Right now, init ignores SIGTERM. For
good reason; on some (many?) systems, the shutdown scripts
include "kill -15 -1; sleep 2; kill -9 -1". The "-1" means
"all processes except me". That means init will get hit with
SIGTERM occasionally during shutdown, and that might cause
weird things to happen.
Perhaps SIGUSR1 ?
Mike.
next prev parent reply other threads:[~2001-04-10 23:20 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-04 22:02 Let init know user wants to shutdown Pavel Machek
2001-04-10 23:20 ` Miquel van Smoorenburg [this message]
2001-04-10 23:30 ` Miquel van Smoorenburg
2001-04-10 23:38 ` Kurt Roeckx
2001-04-10 23:46 ` Kurt Roeckx
2001-04-10 23:53 ` Miquel van Smoorenburg
2001-04-10 23:41 ` Mike Castle
2001-04-13 0:29 ` Pavel Machek
2001-04-16 12:42 ` Simon Richter
2001-04-16 15:49 ` Andreas Ferber
2001-04-16 16:25 ` Simon Richter
2001-04-16 21:27 ` Pavel Machek
2001-04-16 21:44 ` Simon Richter
2001-04-16 22:38 ` Andreas Ferber
2001-04-17 6:16 ` Simon Richter
2001-04-17 8:39 ` Andreas Ferber
2001-04-17 14:09 ` Simon Richter
2001-04-16 21:36 ` Ben Ford
[not found] ` <9b04food@ncc1701.cistron.net>
[not found] ` <9b052eod@ncc1701.cistron.net>
2001-04-13 0:26 ` Pavel Machek
2001-04-10 17:05 Grover, Andrew
2001-04-11 4:23 ` John R Lenton
2001-04-11 14:59 ` John Fremlin
2001-04-11 12:20 ` Pavel Machek
2001-04-11 15:10 ` John Fremlin
2001-04-11 14:56 ` John Fremlin
2001-04-11 4:31 alad
2001-04-11 17:06 Grover, Andrew
2001-04-11 18:29 ` John Fremlin
2001-04-12 17:25 David Balazic
2001-04-16 7:03 ` Pavel Machek
2001-04-16 23:32 Grover, Andrew
2001-04-17 6:40 ` John Fremlin
2001-04-17 6:41 ` Simon Richter
2001-04-17 11:16 ` Pavel Machek
2001-04-17 16:45 Grover, Andrew
2001-04-17 19:54 ` Pavel Machek
2001-04-17 22:23 ` John Fremlin
2001-04-18 15:26 ` Simon Richter
2001-04-18 19:51 ` John Fremlin
2001-04-18 0:07 Grover, Andrew
2001-04-18 0:51 ` Alan Cox
2001-04-18 1:56 ` John Fremlin
2001-04-18 11:55 ` Alan Cox
2001-04-18 19:10 ` John Fremlin
2001-04-18 20:10 ` Alan Cox
2001-04-18 20:21 ` John Fremlin
2001-04-18 21:05 ` Avery Pennarun
2001-04-18 21:34 ` John Fremlin
2001-04-20 17:02 ` Pavel Machek
2001-05-02 16:52 ` John Fremlin
2001-04-20 17:01 ` Pavel Machek
2001-04-20 23:41 ` John Fremlin
2001-04-21 7:54 ` Pavel Machek
2001-04-24 0:17 ` Jamie Lokier
2001-04-24 1:08 ` John Fremlin
2001-04-24 10:06 ` Pavel Machek
2001-04-25 14:28 ` Jamie Lokier
2001-04-25 16:11 ` Richard Gooch
2001-04-18 1:54 ` John Fremlin
2001-04-18 18:28 Grover, Andrew
2001-04-18 18:45 ` Jeff Garzik
2001-04-18 19:36 ` John Fremlin
2001-04-18 21:46 Grover, Andrew
2001-04-18 22:09 ` David S. Miller
2001-04-18 22:30 ` John Fremlin
2001-04-19 2:16 ` Jeff Garzik
2001-04-19 12:04 ` David Woodhouse
2001-04-18 22:52 Grover, Andrew
2001-04-26 22:10 ` David S. Miller
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