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Date: Fri, 30 Jan 2004 10:20:36 -0500
From: Craig Rodrigues <rodrigc@crodrigues.org>
To: Andrey Chernov <ache@nagual.pp.ru>
Message-ID: <20040130152036.GA67964@crodrigues.org>
References: <20040130135802.GA57662@nagual.pp.ru>
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cc: current@freebsd.org
Subject: Re: POSIX semaphores?
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On Fri, Jan 30, 2004 at 09:11:09AM -0500, Daniel Eischen wrote:
> On Fri, 30 Jan 2004, Andrey Chernov wrote:
> 
> > Could anybody enlighten me, please?
> > 
> > 1) What is current status of POSIX semaphores? Are they at the production
> > quality? Are they better implemented than SYSV ones?
> > 2) What is kernel option to turn them on? Why I don't find it in NOTES or
> > GENERIC?
> 
> You need option P1003_1B_SEMAPHORES.  It's in sys/conf/NOTES.

It's also documented in the sem(4) man page.  sem(4) documents this option and
tells you what to kldload if you haven't enabled this option in the kernel.

See:
 man 4 sem

-- 
Craig Rodrigues        
http://crodrigues.org
rodrigc@crodrigues.org