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

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Message-Id: <20100825.205154.191390581.davem@davemloft.net>
Date:	Wed, 25 Aug 2010 20:51:54 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	kosaki.motohiro@...fujitsu.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	yoshfuji@...ux-ipv6.org, bhutchings@...arflare.com
Subject: Re: [PATCH] tcp: select(writefds) don't hang up when a peer close
 connection

From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Date: Thu, 26 Aug 2010 12:09:55 +0900

> Probably my example is not so good. That's not my point.
> In the example application, client and server socket is in the same process.
> But it's NOT generic. usually, client and server are another process. then,
> client can't expect when server close socket.
> 
> The most big matter is, this is can't be avoided in userland. In addition,
> EVERY application don't want application hang up. we don't hesitate
> userland change.

Ok, you and Ben Hutchings have convinced me to reconsider.

And this matches what even BSD4.4-Lite does (I checked yesterday before
my initial reply), so I will apply this patch.

Thanks for your patience.
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