linux-kernel - Re: Revised futex(2) man page for review

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Message-ID: <alpine.DEB.2.11.1504142323290.3845@nanos>
Date:	Tue, 14 Apr 2015 23:40:21 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	Darren Hart <dvhart@...ux.intel.com>,
	Carlos O'Donell <carlos@...hat.com>,
	Ingo Molnar <mingo@...e.hu>, Jakub Jelinek <jakub@...hat.com>,
	"linux-man@...r.kernel.org" <linux-man@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Davidlohr Bueso <dave@...olabs.net>,
	Arnd Bergmann <arnd@...db.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linux API <linux-api@...r.kernel.org>,
	Torvald Riegel <triegel@...hat.com>,
	Roland McGrath <roland@...k.frob.com>,
	Darren Hart <dvhart@...radead.org>,
	Anton Blanchard <anton@...ba.org>,
	Eric Dumazet <edumazet@...gle.com>,
	bill o gallmeister <bgallmeister@...il.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Daniel Wagner <wagi@...om.org>, Rich Felker <dalias@...c.org>,
	Andy Lutomirski <luto@...capital.net>,
	bert hubert <bert.hubert@...herlabs.nl>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Heinrich Schuchardt <xypron.glpk@....de>
Subject: Re: Revised futex(2) man page for review

On Sat, 28 Mar 2015, Peter Zijlstra wrote:
> On Sat, Mar 28, 2015 at 09:53:21AM +0100, Michael Kerrisk (man-pages) wrote:
> > So, please take a look at the page below. At this point,
> > I would most especially appreciate help with the FIXMEs.
> 
> For people who cannot read that troff gibberish (me)..

Ditto :)
 
> NOTES
>        Glibc does not provide a wrapper for this system call;  call  it  using
>        syscall(2).

You might mention that pthread_mutex, pthread_condvar interfaces are
high level wrappers for the syscall and recommended to be used for
normal use cases. IIRC unnamed semaphores are implemented with futexes
as well.

Thanks,

	tglx
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