Re: [PATCH 7/8] job control: Notify the real parent of job controlevents regardless of ptrace

[Oleg Nesterov]

On 03/23, Tejun Heo wrote:
>
> On Wed, Mar 23, 2011 at 10:17:36AM +0100, Tejun Heo wrote:
> > >
> > > child->real_parent must be equal to child->group_leader->real_parent.
> >
> > Okay.
>
> Ooh, on a related note, we probably want to change
> do_notify_parent_cldstop() too.  tsk->group_leader->real_parent is
> used as the delivery target when !@for_ptracer.  This is the same with
> tsk->real_parent and the code has been like this for a long time but
> is a bit confusing.

Yes, although in this case we do

		tsk = tsk->group_leader;
		parent = tsk->real_parent;

We need to change tsk to report the correct si_pid. But we could do

		parent = tsk->real_parent;
		tsk = tsk->group_leader;

not sure this looks less confusing.

Oleg.

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