linux-kernel - Re: futex(2) man page update help request

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Message-ID: <537407ED.8050606@zytor.com>
Date:	Wed, 14 May 2014 17:18:53 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Darren Hart <dvhart@...ux.intel.com>,
	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Jakub Jelinek <jakub@...hat.com>
CC:	"linux-man@...r.kernel.org" <linux-man@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Davidlohr Bueso <davidlohr.bueso@...com>,
	Arnd Bergmann <arnd@...db.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Linux API <linux-api@...r.kernel.org>,
	"Carlos O'Donell" <carlos@...hat.com>
Subject: Re: futex(2) man page update help request

On 05/14/2014 09:18 AM, Darren Hart wrote:
> 
> However, unless I'm sorely mistaken, the larger problem is that glibc
> removed the futex() call entirely, so these man pages don't describe
> something users even have access to anymore. I had to revert to calling
> the syscalls directly in the futextest test suite because of this:
> 
> http://git.kernel.org/cgit/linux/kernel/git/dvhart/futextest.git/tree/inclu
> de/futextest.h#n67
> 

This really comes down to the fact that we should have a libinux which
contains the basic system call wrapper machinery for Linux specific
things and nothing else.

syscall(3) is toxic and breaks randomly on some platforms.

	-hpa


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