On Fri, Feb 13, 2009 at 02:36:40PM +0200, Leon <[email protected]> wrote:
> to my listening socket with telnet. If I do I get a continues stream of
> recv events even though I only connect using telnet - nothing is send.
Proof that nothing is sent? telnet might try to speak telnet protocol
(thats what it is designed for).
> The recv's all fail with error EGAIN since I am using non - blocking
> sockets.
You might not have enabled out of band inline (which should be the default
on current operating systems as tcp/ip doesn't support oob data at all).
> Does anybody have an idea why a telnet connection will cause this?
yes.
> Is there a way to clear the error/data which causes the event - assuming
> the recv() does not clear it?
you need to fetch the data that the kernel has ready for you, presumably.
> Using: FreeBSD with poll backend and libev 3.45
bsds are indeed often very buggy w.r.t. urgent data in tcp and might enforce
some kind of psuedo-oob, causing problems like these.
--
The choice of a Deliantra, the free code+content MORPG
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----==-- _ generation
---==---(_)__ __ ____ __ Marc Lehmann
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