netdev - Re: [Bugme-new] [Bug 32832] New: shutdown(2) does not fully shut down socket any more

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Date:	Wed, 13 Apr 2011 10:51:22 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Cyril Bonté <cyril.bonte@...e.fr>
Cc:	David Miller <davem@...emloft.net>, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org, kees@...flux.net
Subject: Re: [Bugme-new] [Bug 32832] New: shutdown(2) does not fully shut
 down socket any more

Le mercredi 13 avril 2011 à 09:06 +0200, Cyril Bonté a écrit :
> Le mercredi 13 avril 2011 04:55:27, Eric Dumazet a écrit :
> > I worked on it this week end to discover FreeBSD 8.1 would not allow
> > several CLOSE sockets bound to same port even with REUSEADDR.
> 
> Just to complete the information, yes it does, but only after a shutdown() 
> call. And this is the use case of haproxy, amavisd (quoted in the bugzilla bug 
> report), and others.

Yes, but after a shutdown(), FreeBSD doesnt allow a reuse of the socket.
listen() is not available anymore. Its a bit like an unbind, or a full
close().



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