Messages in this thread | | | Date | Mon, 07 May 2007 20:15:51 -0300 | From | Davi Arnaut <> | Subject | Re: [PATCH] rfc: threaded epoll_wait thundering herd |
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Ulrich Drepper wrote: > On 5/7/07, Davi Arnaut <davi@haxent.com.br> wrote: >> See Linus's message on this same thread. > > No. I'm talking about the userlevel side, not kernel side.
So you probably knew the answer before asking the question.
> If a thread is canceled *after* it returns from the syscall but before > it reports the event to the call (i.e., while still in the syscall > wrapper, thread cancellation rules require a check there) the event is > lost.
Exactly. The same happens with sigwaitinfo(), and various other.
> Linus was only talking about the kernel side and how in the exit path > such events are not lost.
Anyway, we could extend epoll to be mmapable...
-- Davi Arnaut - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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