netdev - Re: [RFC] netlink: add socket destruction notification

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Date:	Mon, 09 Nov 2009 18:46:11 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	netdev <netdev@...r.kernel.org>, Jouni Malinen <j@...fi>,
	Thomas Graf <tgraf@...g.ch>
Subject: Re: [RFC] netlink: add socket destruction notification

On Mon, 2009-11-09 at 17:57 +0100, Patrick McHardy wrote:

> > Oh? So on which sockets can I rely on it being used? After sending at
> > least one unicast message into the kernel? This seems to depend on pid
> > being assigned -- when is that?
> 
> All unicast sockets that have either manually or automatically
> bound. Automatic binding happens when sending the first message
> or when calling connect().
> 
> Before that, your code can't know of the sockets existance, so
> I guess this should be fine.

Ah, yes, of course... that's part of the boilerplate code to use generic
netlink so I always forget about what exactly is going on there :)

Thanks!

johannes


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