Messages in this thread |  | | Date | Thu, 7 Nov 2002 15:24:36 -0800 (PST) | | From | Davide Libenzi <> | | Subject | Re: [PATCH] 2.5.46: epoll ep_insert doesn't wake waiters if events exist |
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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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