From: Brian Candler <b.candler@...>
Date: 2010-09-29T05:28:13+09:00
Subject: Re: TCP Socket: Connection reset, but Select says it's valid

Scott Cole wrote:
> Thanks for responding. I would expect to get some kind of EOF error on 
> an EOF condition. Instead I see something like
> 
> error reading 'line' from #<TCPSocket:0x40e3f4>
> Connection reset by peer (Errno::ECONNRESET)!

Yep, it's not a simple EOF - the far end has sent a TCP RST instead of a 
FIN - but AFAIK the socket is marked 'readable' for select.

More info at:
http://unix.derkeiler.com/Newsgroups/comp.unix.programmer/2007-08/msg00176.html

Note also that this is does not mean that the socket is marked 
selectable for 'error' - selection[2]. In fact, you're almost certainly 
never going to find the socket marked that way. See
http://unix.derkeiler.com/Newsgroups/comp.unix.programmer/2007-11/msg00187.html
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