linux-kernel - Re: inotify and /proc/<pid>

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Message-ID: <46AECD48.1010701@nortel.com>
Date:	Mon, 30 Jul 2007 23:48:56 -0600
From:	"Chris Friesen" <cfriesen@...tel.com>
To:	trelane@...itasaru.net
CC:	Al Viro <viro@....linux.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: inotify and /proc/<pid>

Joseph Pingenot wrote:

> While we're on the subject, is there some way to receive notification
>   that some aspect of a process changes (in this case, stopping using
>   CPU, but not exiting).

For some internal stuff a while back I did a patch that allows any 
process to register for status change notifications.  Basically, the 
registered process gets put on a list and gets the same notifications 
(killed/stopped/exited, etc.) as the real parent.

Useful for this type of thing.

Chris
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