linux-kernel - Re: Detecting process death for anycast named process monitoring

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Message-Id: <20070503024048.e7192b3b.akpm@linux-foundation.org>
Date:	Thu, 3 May 2007 02:40:48 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Glen Turner <gdt@....id.au>
Cc:	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: Detecting process death for anycast named process monitoring

On Thu, 03 May 2007 06:34:42 +0930 Glen Turner <gdt@....id.au> wrote:

> The question is, how can a process with no relationship to another
> process detect that process unexpectedly dying?

Monitor the system using the taskstats interface.  There is a sample
application and documentation in Documentation/accounting/.

Your monitoring application will receive a netlink packet each time a process
exits.  It includes the exit code and the process's name.
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