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
next prev parent 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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