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DateThu, 26 Feb 2009 23:30:31 +0100
FromOleg Nesterov <>
SubjectRe: [PATCH 1/2] copy_process: fix CLONE_PARENT && ->exit_signal interaction
On 02/26, Linus Torvalds wrote:
>
> On Thu, 26 Feb 2009, Oleg Nesterov wrote:
> >
> > Really, how CLONE_PARENT + exit_signal==0 can be useful?
>
> Umm? For the reason I already stated?

But I can not understand that reason... As I said, the thread does not
go away if exit_signal == 0. Yes, the parent does not see it has a new
zombie, but why this is useful?

> > But because the current behaviour is just silly. Imho.
>
> So? If there are people using it, you calling it silly is immaterial.
>
> The fact is, it's an existing user space interface. We don't break them.
>
> > But of course, if this change can break the user-space applications, then
> > it should not be applied.
>
> That's the point. Nobody has shown that there aren't any users.

Yes, yes, sure...

I sent another patch, perhaps someone can comment. Or suggest something
else.

Oleg.



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