Messages in this thread |  | | | Date | Thu, 18 Aug 2011 16:25:08 +0200 | | From | Oleg Nesterov <> | | Subject | Re: + prctl-add-pr_setget_child_reaper-to-allow-simple-process-supervision .patch added to -mm tree |
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On 08/18, Lennart Poettering wrote: > > On Wed, 17.08.11 15:45, Oleg Nesterov (oleg@redhat.com) wrote: > > > You should mark the whole process as sub-reaper, not a single thread > > which does prctl(). The parent/child relationship is process-wide. > > Hmm, how would we implement this best? Would it be sufficient to follow > group_leader pointer to set/get the flag,
You can mark task->group_leader. Or, probably better, task->signal.
INHO, the best option is SIGNAL_SUB_REAPER in signal->flags. But this is not possible until we cleanup the usage of signal->flags.
> and to follow real_parent
OOPS. I simly can't understand how I managed to miss this. Of course, in any case you should follow ->real_parent, not ->parent!
Oleg.
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