On Wed, 6 Jun 2007, Benjamin Herrenschmidt wrote: > 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.
Hmm, looking at the comments in block_all_signals(), it seems that they're interested in the fact that a specific task dequeue the signal. So, at a first sight, it seems that such code should not not be executed if another task dequeue the message. What do you think? - Davide - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
