netdev - Re: [PATCH] tcp: select(writefds) don't hang up when a peer close connection

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Date:	Mon, 30 Aug 2010 10:08:53 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	David Miller <davem@...emloft.net>
Cc:	kosaki.motohiro@...fujitsu.com, bhutchings@...arflare.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH] tcp: select(writefds) don't hang up when a peer close connection

> From: Ben Hutchings <bhutchings@...arflare.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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