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From: "Magnus Naeslund(f)" <mag@fbab.net>
To: Claudio Scordino <cloud.of.andor@gmail.com>
Cc: "Hua Zhong (hzhong)" <hzhong@cisco.com>,
	linux-kernel@vger.kernel.org, kernelnewbies@nl.linux.org
Subject: Re: [PATCH] getrusage sucks
Date: Fri, 11 Nov 2005 01:32:27 +0100	[thread overview]
Message-ID: <4373E69B.6040206@fbab.net> (raw)
In-Reply-To: <200511110123.29664.cloud.of.andor@gmail.com>

Claudio Scordino wrote:
> On Friday 11 November 2005 00:47, Hua Zhong (hzhong) wrote:
>
>>The reason is what if tsk is no longer available when you call
>>getrusage?
>
>
> Sorry, but honestly I don't see any problem: as you can see from my
patch, if
> tsk is no longer available, getrusage returns -1 and sets errno
appropriately
> (equal to EINVAL, which means that who is invalid).
>
>             Claudio
>

You need to wrap this with a read_lock(&tasklist_lock) to be safe, I think.

Regards,
Magnus

  reply	other threads:[~2005-11-11  0:32 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-10 23:47 [PATCH] getrusage sucks Hua Zhong (hzhong)
2005-11-11  0:23 ` Claudio Scordino
2005-11-11  0:32   ` Magnus Naeslund(f) [this message]
2005-11-11  1:11     ` Claudio Scordino
2005-11-11 13:30       ` Alan Cox
2005-11-11 22:38         ` Claudio Scordino
2005-11-11 23:23           ` Alan Cox
2005-11-11 23:02             ` Chris Wright
2005-11-11 23:44               ` David Wagner
2005-11-12  0:53                 ` Chris Wright
2005-11-12  6:37                   ` David Wagner
2005-11-11 23:58               ` Alan Cox
2005-11-11 23:43                 ` Claudio Scordino
2005-11-11 23:49                   ` dean gaudet
2005-11-12  1:10                     ` Chris Wright
2005-11-12 15:10                       ` making makefile for 2.6 kernel anil dahiya
2005-11-12 15:16                       ` anil dahiya
2005-11-12 22:19                         ` Sam Ravnborg
2005-11-13  1:34                       ` [PATCH] getrusage sucks Claudio Scordino
2005-11-15 16:56                       ` Claudio Scordino
2005-11-15 17:00                       ` New getrusage Claudio Scordino
2005-11-11 23:08             ` [PATCH] getrusage sucks Claudio Scordino
2005-11-11 23:41           ` David Wagner
2005-11-15  1:08       ` Peter Chubb
  -- strict thread matches above, loose matches on Subject: below --
2005-11-15 18:25 linux
2005-11-11 23:49 Hua Zhong (hzhong)
2005-11-10 22:34 Claudio Scordino
2005-11-11  5:06 ` David Wagner
2005-11-11 19:09   ` Lee Revell
2005-11-11 19:13     ` David Wagner

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