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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] tcp: select(writefds) don't hang up when a peer close connection
Cc: kosaki.motohiro@jp.fujitsu.com, bhutchings@solarflare.com,
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> From: Ben Hutchings <bhutchings@solarflare.com>
> Date: Thu, 26 Aug 2010 13:07:28 +0100
> 
> > By the way, I was able to reproduce this bug in RHEL 3 (kernel based on
> > 2.4.21) so it seems to have been around for a while.
> 
> It's existed since September 1998:
> 
> commit 6275af56642b5b9ed9ef15bf5d9718661c5fe79d
> Author: freitag <freitag>
> Date:   Sat Sep 26 06:20:25 1998 +0000
> 
>     Some small fixes.
>     
>     - Remove second check for sk->err in poll as discussed with Linus.
>     - Don't signal writability when the local end has been shut down.
>     - Comment fixes.

because (almostly) nobody were using this feature? ;)



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