Re: [PATCH] getrusage sucks

[Magnus Naeslund(f)]

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
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