linux-kernel - Re: sockets affected by IPsec always block (2.6.23)

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Date:	Wed, 5 Dec 2007 19:39:07 +0100
From:	Stefan Rompf <stefan@...lof.de>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	David Miller <davem@...emloft.net>, simon@...e.lp0.eu,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: sockets affected by IPsec always block (2.6.23)

Am Mittwoch, 5. Dezember 2007 07:51 schrieb Herbert Xu:

> > If he sets this sysctl to "1" as I detailed in my reply, he'll
> > get the behavior he wants.
>
> Does anybody actually need the 0 setting? What would we break if
> the default became 1?

I'd strongly suggest doing so. AFAIK, behaviour of connect() on nonblocking 
sockets is quite well defined in POSIX. If this is changed for some IP 
sockets, event-driven applications will randomly and subtly break.

Stefan
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