Messages in this thread | | | Subject | Re: [PATCH/RFC] signal races/bugs, losing TIF_SIGPENDING and other woes | From | Benjamin Herrenschmidt <> | Date | Wed, 06 Jun 2007 08:15:20 +1000 |
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On Tue, 2007-06-05 at 08:52 -0700, Davide Libenzi wrote: > if (tsk == current) > recalc_sigpending(); > > What can happen, is that a task may notice TIF_SIGPENDING and not find > a > signal once it calls dequeue_signal(), but this is fine as far as > signalfd > goes. This should be OK in general, no?
What about the code in __dequeue_signal though ? That notifier thing is used by the DRI though I'm not sure what would happen if it acts on the wrong task.
Ben.
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