linux-kernel - Re: SELECT() returns 1 But FIONREAD says (Input/output error)

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Message-ID: <465F7C2A.5020702@gatworks.com>
Date:	Thu, 31 May 2007 21:53:46 -0400
From:	Uncle George <netbeans@...works.com>
To:	davids@...master.com
CC:	linux-kernel@...r.kernel.org
Subject: Re: SELECT() returns 1 But FIONREAD says (Input/output error)

David Schwartz wrote:

> Nope. An errored connection is always ready for read/write -- there is
> nothing to wait for as far as the kernel is concerned. Your code keeps
> asking the kernel if something interesting has happened, the kernel keeps
> telling it yes, and it refuses to do anything about it.
> 
The select() returns because i pulled the USB cable from hub. Seems 
reasonable.

The next select() found what? to be interesting in order to prematurely 
terminate the select-wait? As far as I can tell, nothing interesting has 
happened since the previous select(). In this case the select() is only 
looking at read()'s.
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