linux-kernel - Re: [PATCH 0/10] af_unix: add multicast and filtering features to AF

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Message-ID: <1330604802.2465.43.camel@edumazet-laptop>
Date:	Thu, 01 Mar 2012 04:26:42 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	David Miller <davem@...emloft.net>, rodrigo.moya@...labora.co.uk,
	javier@...labora.co.uk, lennart@...ttering.net,
	kay.sievers@...y.org, alban.crequy@...labora.co.uk,
	bart.cerneels@...labora.co.uk, sjoerd.simons@...labora.co.uk,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/10] af_unix: add multicast and filtering features to
 AF_UNIX

Le jeudi 01 mars 2012 à 12:57 +0100, Javier Martinez Canillas a écrit :

> Yes, you are right it doesn't follow AF_UNIX semantics so Unix sockets
> is not the best place to add our multicast implementation.
> 

Right, AF_UNIX is already a nightmare to maintain.

> So, now we are trying a different approach. To create a new address
> family AF_MCAST. That way we can have more control over the semantics of
> the socket interface for that family.
> 
> We expect to have some patches in a few days and we will resend.
> 
> Does this makes more sense to you?
> 

Why adding an obscure set of IPC mechanism in network tree, and not
using (maybe extending) traditional IPC (Messages queues, semaphores,
Shared memory, pipes, futexes, ...).



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