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    SubjectRe: [PATCH] 2.5.46: epoll ep_insert doesn't wake waiters if events exist
    On Thu, 7 Nov 2002, Jay Vosburgh wrote:

    > The logic in fs/eventpoll.c:ep_insert() checks to see if events are
    > already present when processing an EP_CTL_ADD operation, and, if any are,
    > adds them to the list. It does not wake up any waiters, so, e.g., another
    > thread waiting in epoll_wait() will not be awakened for these events. The
    > fix is to have ep_insert() do wakeups, just as ep_poll_callback() does when
    > it adds events.

    Matthew Kirk already made me notice this yesterday and it's in my code ( 0.37 ).
    I was ashame to make another post to Linus :) so I delayed the post.
    Linus, I have a few bits. Let me know if you want them now or we will
    delay to 2.5.47 ...

    - Davide

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