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SubjectRe: POLLRDONCE optimisation for epoll users (was: epoll and half closed TCP connections)
On Mon, 14 Jul 2003, Jamie Lokier wrote:

> 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, did you smoke that stuff again ? :)
With Eric patch in the proper places it is just fine. You just make
f_op->poll() to report the extra flag other that POLLIN. What's the problem ?

- Davide

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