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SubjectRe: [patch 1/4] fs, proc: Introduce /proc/<pid>/task/<tid>/children entry v8
On Wed, Jan 25, 2012 at 10:55:51AM +0400, Cyrill Gorcunov wrote:
> >
> > Now that you have reminded me of this thread. I can say that the
> > link would need to look like ../../pid. Our children will always
> > be thread group leaders, so we can safely point to the /proc/<pid>
> > directories. So readlink would return ../../<pid> or however many
> > dots are needed. Follow link could just warp us to that directory
> > as it does for the other magic proc symlinks.
> >
> > My feeling is that a children subdirectory would be a lot more useful
> > than a simple file that lists the children.
> >
> I'll check what I can do, thanks.

Sigh. This will require complete code rewrite. And since I've just
made it to live under CONFIG_CHECKPOINT_RESTORE I would prefer if
we stick with children file. So if there are no strong objections
agains 'children' as a file, could we leave it as is, ie in
stream-of-pids form?


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