Re: More waitpid issues with CLONE_DETACHED/CLONE_THREAD

From: Linus Torvalds
Date: Sun Feb 01 2004 - 19:56:43 EST




On Sun, 1 Feb 2004, Roland McGrath wrote:
>
> I haven't really looked into the problem with Dan's test case yet (didn't
> seem to reproduce, but I haven't tried a current and cruft-free kernel yet).
> But I don't see any problem with the implementation of PTRACE_KILL.

Hmm.. For me, Dan's program (with "-DBUG -DNOTHREAD") results in a
sleeping parent, and both children are likewise just sleeping. Despite the
fact that the parent just did the PTRACE_KILL on child2.

I didn't trace it through the kernel, it just looked like PTRACE_KILL
didn't do anything.

Linus
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