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DateFri, 6 Jul 2007 08:35:46 +0200
From"Jesper Juhl" <>
SubjectRe: kill -9?
On 06/07/07, Kaleem Khan <linuxuser8@gmail.com> wrote:
> Hello Kernel experts,
>
> I'd like to know whether there's a way to take some action (say
> calling a routine) in
> response to 'kill -9' before the process is terminated. I tend to
> think it's against 'kill -9'
> UNIX/Linux philosophy but still I'd like to confirm.
>
You can't catch/block SIGKILL (9), but you can catch SIGTERM (15 -
what kill sends by default).

A well behaved app should catch SIGTERM and do proper cleanup before
shutdown so that when a user does  kill <pid_of_app>  it shuts down
cleanly.  kill -9 <pid_of_app> shouldn't normally be needed - it is
for emergency termination of the app, which is why you can't catch it.

-- 
Jesper Juhl <jesper.juhl@gmail.com>
Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
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