Q: do_notify_parent/do_notify_parent_cldstop && info.si_xtime

From: Oleg Nesterov
Date: Tue May 26 2009 - 17:17:28 EST

do_notify_parent() reports .si_Xtime = tsk->Xtime + signal->Xtime,
but do_notify_parent_cldstop() uses .si_Xtime = tsk->Xtime.

Is this right?

Yes, tsk->Xtime + signal->Xtime does not make much sense for
do_notify_parent_cldstop(), but reporting group_leader->Xtime
(if not traced) doesn't look very right too. IOW, perhaps we
need thread_group_cputime() here?


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