Re: POLLRDONCE optimisation for epoll users (was: epoll and half closed TCP connections)

From: Jamie Lokier (jamie@shareable.org)
Date: Sun Jul 13 2003 - 21:56:44 EST

Davide Libenzi wrote:
> Where this will break by using a POLLRDHUP ?

It will break if

        (a) fd isn't a socket
        (b) fd isn't a TCP socket
        (c) kernel version <= 2.5.75
        (d) SO_RCVLOWAT < s
        (e) there is urgent data with OOBINLINE (I think)

-- Jamie
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