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From: Ivan Voras <ivoras@freebsd.org>
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Subject: Re: svn commit: r215178 - in head: lib/libc/sys sys/kern sys/sys
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On 12 November 2010 14:02, Luigi Rizzo <luigi@freebsd.org> wrote:
> Author: luigi
> Date: Fri Nov 12 13:02:26 2010
> New Revision: 215178
> URL: http://svn.freebsd.org/changeset/base/215178
>
> Log:
> =C2=A0This commit implements the SO_USER_COOKIE socket option, which lets
> =C2=A0you tag a socket with an uint32_t value. The cookie can then be
> =C2=A0used by the kernel for various purposes, e.g. setting the skipto
> =C2=A0rule or pipe number in ipfw (this is the reason SO_USER_COOKIE has
> =C2=A0been implemented; however there is nothing ipfw-specific in its
> =C2=A0implementation).

While at it, why not intptr_t? It would be marginally more useful and
almost free.