From: Brian Candler <b.candler@...>
Date: 2009-05-20T22:04:20+09:00
Subject: Re: Detect TCPSocket interruptions/disappearance

Roger Pack wrote:
>> In such a case the code simply hangs on the gets request within the
>> loop and never returns.
> 
> Odd. If the socket closes then gets should return nil

Only if the far-end closes the socket normally. If the machine is just 
powered off or hard-resets, obviously no packet will be sent. And when 
it comes back up, it won't know that it used to have an open connection.

If you send data *to* it, it will respond with a RST. But this won't 
happen if you're just passively listening.
-- 
Posted via http://www.ruby-forum.com/.