From: Jamie Lokier <jamie@shareable.org>
To: bert hubert <ahu@ds9a.nl>,
"Frederick, Fabian" <Fabian.Frederick@prov-liege.be>,
"Linux-Kernel (E-mail)" <linux-kernel@vger.kernel.org>
Subject: Re: Futex
Date: Mon, 6 Oct 2003 18:12:23 +0100 [thread overview]
Message-ID: <20031006171223.GB559@mail.shareable.org> (raw)
In-Reply-To: <20031006075039.GA12376@outpost.ds9a.nl>
bert hubert wrote:
> On Mon, Oct 06, 2003 at 09:22:19AM +0200, Frederick, Fabian wrote:
> > Hi,
> >
> > Why don't we have any futex doc included ?
> > Nothing about futexfs nor userspace futex usage ....
>
> http://ds9a.nl/futex-manpages/
Those docs are a little out of date and incomplete, though.
There's no mention of FUTEX_REQUEUE, and no mention of the important
token-passing property: that the value returned from FUTEX_WAKE is
equal to the number of calls which return 0 from FUTEX_WAIT.
(Only when FUTEX_FD is not used; FUTEX_FD is broken with respect to
token passing at the moment).
-- Jamie
next prev parent reply other threads:[~2003-10-06 17:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-06 7:22 Futex Frederick, Fabian
2003-10-06 7:50 ` Futex bert hubert
2003-10-06 15:08 ` Futex Chris Friesen
2003-10-06 17:12 ` Jamie Lokier [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-10-07 7:56 Futex Frederick, Fabian
2003-10-07 8:15 ` Futex Jamie Lokier
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