linux-kernel - Re: [PATCH 2/8] Adds a read-only "procs" file similar to "tasks" that shows only unique tgids

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Date:	Thu, 20 Aug 2009 10:34:53 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Paul Menage <menage@...gle.com>
CC:	akpm@...ux-foundation.org, bblum@...rew.cmu.edu,
	linux-kernel@...r.kernel.org, containers@...ts.linux-foundation.org
Subject: Re: [PATCH 2/8] Adds a read-only "procs" file similar to "tasks"
 that	shows only unique tgids

07:58, Paul Menage wrote:
> From: Ben Blum <bblum@...gle.com>
> 
> 
> Adds a read-only "procs" file similar to "tasks" that shows only unique tgids
> 
> struct cgroup used to have a bunch of fields for keeping track of the pidlist
> for the tasks file. Those are now separated into a new struct cgroup_pidlist,
> of which two are had, one for procs and one for tasks. The way the seq_file
> operations are set up is changed so that just the pidlist struct gets passed
> around as the private data.
> 
> Interface example: Suppose a multithreaded process has pid 1000 and other
> threads with ids 1001, 1002, 1003:
> $ cat tasks
> 1000
> 1001
> 1002
> 1003
> $ cat cgroup.procs
> 1000
> $
> 
> Signed-off-by: Ben Blum <bblum@...gle.com>
> Signed-off-by: Paul Menage <menage@...gle.com>
> 

Acked-by: Li Zefan <lizf@...fujitsu.com>
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