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

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Date:	Wed, 14 May 2014 22:21:52 -0700
From:	Darren Hart <dvhart@...ux.intel.com>
To:	"H. Peter Anvin" <hpa@...or.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 5/14/14, 17:18, "H. Peter Anvin" <hpa@...or.com> wrote:

>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/inc
>>lu
>> 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.

Peter Z and I have had a good time discussing this in the past.... And
here it is again. :-)


-- 
Darren Hart					Open Source Technology Center
darren.hart@...el.com				            Intel Corporation



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