From: "Américo Wang" <xiyou.wangcong@gmail.com>
To: Lennart Poettering <lennart@poettering.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] exit: PR_SET_ANCHOR for marking processes as reapers for child processes
Date: Wed, 3 Feb 2010 23:31:01 +0800 [thread overview]
Message-ID: <20100203153101.GC4177@hack> (raw)
In-Reply-To: <20100202120457.GA19605@omega>
On Tue, Feb 02, 2010 at 01:04:57PM +0100, Lennart Poettering wrote:
>
>This patch adds a simple flag for each process that marks it as an
>"anchor" process for all its children and grandchildren. If a child of
>such an anchor dies all its children will not be reparented to init, but
>instead to this anchor, escaping this anchor process is not possible. A
>task with this flag set hence acts is little "sub-init".
>
This will break the applictions which using 'getppid() == 1' to check
if its real parent is dead or not...
--
Live like a child, think like the god.
next prev parent reply other threads:[~2010-02-03 15:28 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-02 12:04 [PATCH] exit: PR_SET_ANCHOR for marking processes as reapers for child processes Lennart Poettering
2010-02-03 8:24 ` KOSAKI Motohiro
2010-02-03 9:53 ` Lennart Poettering
2010-02-03 15:31 ` Américo Wang [this message]
2010-02-03 17:49 ` Lennart Poettering
2010-02-05 9:54 ` Américo Wang
2010-02-11 10:21 ` Kay Sievers
2010-02-04 15:42 ` Kay Sievers
2010-02-04 20:59 ` Kay Sievers
2010-03-04 14:08 ` Oleg Nesterov
2010-03-04 22:14 ` Roland McGrath
2010-03-05 18:51 ` Kay Sievers
2010-03-05 19:18 ` Roland McGrath
2010-03-06 0:24 ` Lennart Poettering
2010-03-09 0:45 ` Ray Lee
2010-03-09 13:19 ` Oleg Nesterov
2010-03-06 0:20 ` Lennart Poettering
2010-03-08 23:11 ` Roland McGrath
2010-03-05 4:47 ` KOSAKI Motohiro
2010-03-05 18:55 ` Kay Sievers
2010-03-06 0:16 ` Lennart Poettering
2010-03-11 4:14 ` Eric W. Biederman
2010-03-11 7:56 ` KOSAKI Motohiro
2010-12-20 14:26 ` Scott James Remnant
2010-12-20 14:51 ` Kay Sievers
2010-12-21 9:56 ` Lennart Poettering
2010-12-21 12:05 ` Scott James Remnant
2010-12-23 15:44 ` Lennart Poettering
2010-12-23 16:00 ` Scott James Remnant
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