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From: ebiederm@xmission.com (Eric W. Biederman)
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@elte.hu>,
       Robin Holt <holt@sgi.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
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       Jack Steiner <steiner@americas.sgi.com>,
       Roland McGrath <roland@redhat.com>, acahalan@gmail.com
Subject: Re: [PATCH] Only send pdeath_signal when getppid changes.
References: <Pine.LNX.4.64.0704051825400.6730@woody.linux-foundation.org>
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Date: Tue, 10 Apr 2007 11:41:20 -0600
In-Reply-To: <20070410163714.GA104@tv-sign.ru> (Oleg Nesterov's message of
	"Tue, 10 Apr 2007 20:37:14 +0400")
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Oleg Nesterov <oleg@tv-sign.ru> writes:

> On 04/10, Eric W. Biederman wrote:
>> 
>> So this patch fixes the pdeath_signal behaviour only sending a signal
>> when the results of getppid would change.
>
> Don't get me wrong, I personally like this patch very much. However,

Good point.

I guess we have a simple question.
Does a parent death signal make most sense between separately written programs?

   If so this patch is a bug fix.

Does a parent death signal make most sense between processes that are part of
a larger program.

   If so there is little point to this patch.

Eric