[PATCH 0/2] wait: WSTOPPED & ptrace fixes

[Oleg Nesterov]

On 02/20, Oleg Nesterov wrote:
>
> Tejun, unless I missed something WSTOPPED logic is broken if a process
> has a zombie/ptraced leader, "A zombie ptracee is only visible to its
> ptracer" is wrong in this case. Plus perhaps some cleanups make sense.

In fact it is broken even if it the child/tracee is single-threaded.

And I failed to find a simple fix which is not visible to user-space.
It would be nice if you can ack/nack at least the changelog in 1/2,
I mean the note about SIGNAL_STOP_CONTINUED.

And unless I missed something WEXITED is broken too, so I'll probably
send more changes.

Oleg.

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