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Date:      Sat, 18 May 2002 10:35:15 -0400 (EDT)
From:      "Andrew R. Reiter" <arr@FreeBSD.org>
To:        Alfred Perlstein <bright@mu.org>
Cc:        "Kenneth D. Merry" <ken@kdm.org>, current@FreeBSD.org, net@FreeBSD.org
Subject:   Re: new zero copy sockets patches available
Message-ID:  <Pine.NEB.3.96L.1020518103433.72698A-100000@fledge.watson.org>
In-Reply-To: <3CE61A25.61C789FA@mindspring.com>

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:Alfred Perlstein wrote:
:> * Kenneth D. Merry <ken@kdm.org> [020517 23:31] wrote:
:> > The problem here is that the mutex needs to be initialized before I can
:> > acquire it, and there's going to be a race between checking to see
:> > whether it has been initialized and actually initializing it.
:> >
:> ...
:> > Suggestions?
:> 
:> *slaps forhead*
:> 
:> Probably a SYSINIT?

mutex(9) and sx(9) describe two macros for this purpose.

--
Andrew R. Reiter
arr@watson.org
arr@FreeBSD.org


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