netdev - Re: [RFC] [GIT PATCH net-2.6.23] IPV6: Configurable IPv6 address selection policy table (RFC3484)

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Date:	Sat, 28 Apr 2007 23:39:22 -0700
From:	Ulrich Drepper <drepper@...hat.com>
To:	David Miller <davem@...emloft.net>
CC:	yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org
Subject: Re: [RFC] [GIT PATCH net-2.6.23] IPV6: Configurable IPv6 address
 selection policy table (RFC3484)

David Miller wrote:
> One idea is to have glibc have some kind of socket open, subscribed
> to a group which gets "sticky" events.

I don't quite yet know the context but I have to intervene: keeping
sockets open is not good.  This will only cause problems.

Any interface must be memory based.  Something like "register a word
which is set when an event arrives" is a much better interface.  Who you
then go and retrieve messages is another issue.  If this is a rare event
then opening is new netlink socket is no problem.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖

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