From: Brian Candler <b.candler@...>
Date: 2010-09-28T15:01:15+09:00
Subject: Re: TCP Socket: Connection reset, but Select says it's valid

Scott Cole wrote:
> I'm running a server that sometimes encounters a
> connection-reset-by-peer error when reading data from a client. I'm
> calling IO.Select to verify that there are characters to be read, but
> occasionally the "rescue" below is activated when I do my gets.

Your code prints the exception class and message, what do you see?
 I
> presume this means the socket was closed after Select noticed there were
> characters to be read but before I actually try to read them.

select returns true for an EOF-condition too. From `man 2 select`:

       Three  independent  sets of file descriptors are watched.  Those 
listed
       in readfds will be watched to see if characters  become 
available  for
       reading  (more  precisely, to see if a read will not block; in 
particu‐
       lar, a file descriptor is also ready on end-of-file)
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