task_struct's real_parent vs parent members

Vimal j.vimal at gmail.com
Mon Feb 27 15:58:43 EST 2012


Hi Mulyadi,

You were right.   I found this code, which is called from
ptrace_attach function:

http://lxr.free-electrons.com/source/kernel/ptrace.c#L41

Thanks :)

On 27 February 2012 08:45, Vimal <j.vimal at gmail.com> wrote:
> Hi Mulyadi,
>
> On 26 February 2012 23:48, Mulyadi Santosa <mulyadi.santosa at gmail.com> wrote:
>> I am bit rusty here, but AFAIK sigchld is thrown to the process who
>> ptrace another process. CMIIW
>>
>
> sigchld's definition [1] says it's sent to the parent process when a
> child terminates.
>
> But I do agree that the notion of a parent seems a bit ambiguous when
> a process is being ptraced.
>
> ptrace is what I found when looking through some websites, and you may
> very well be correct.   But as always, it is good to confirm through
> code. :)   Let me try checking the ptrace functions.
>
> Thanks!
> --
> Vimal



-- 
Vimal



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