Messages in this thread | | | Date | Tue, 18 Nov 2008 17:22:07 -0800 | From | Sukadev Bhattiprolu <> | Subject | Re: [RFC][PATCH][v2] Define/use siginfo_from_ancestor_ns() |
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| | > +static inline int siginfo_from_ancestor_ns(siginfo_t *info) | > +{ | > + return SI_FROMUSER(info) && (info->si_pid == 0); | > +} | | Yes, this is problem... I doubt we can rely on !si_pid here. | More on this later.
BTW, rather than clearing SIG_FROM_USER in send_signal(), can we keep it till we dequeue the signal ? Yes, collect_signal() would need to consider this flag. But when we dequeue, we can note that it was from user and use that in the siginfo_from_ancestor() ?
Sukadev
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