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Date: Wed, 14 May 2014 17:41:02 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Andy Lutomirski <luto@amacapital.net>
CC: Davidlohr Bueso <davidlohr@hp.com>,
        Michael Kerrisk-manpages <mtk.manpages@gmail.com>,
        Darren Hart <dvhart@linux.intel.com>,
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        Arnd Bergmann <arnd@arndb.de>, Steven Rostedt <rostedt@goodmis.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Linux API <linux-api@vger.kernel.org>,
        "Carlos O'Donell" <carlos@redhat.com>
Subject: Re: futex(2) man page update help request
References: <537346E5.4050407@gmail.com> <CF98E3EF.90564%dvhart@linux.intel.com> <CAKgNAkh+PWzT2SByaLk_OtiAXeZSkWoMgu+ivDOt1dTWVtaatQ@mail.gmail.com> <1400100977.3865.30.camel@buesod1.americas.hpqcorp.net> <53740A30.20807@zytor.com> <CALCETrXzMiS9DwvmZn++wg0x6v-ZR0YP9fAdco4PRST=nTY4nQ@mail.gmail.com>
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On 05/14/2014 05:35 PM, Andy Lutomirski wrote:
>>
>> More fundamentally, futex(2), like clone(2), are things that can be
>> legitimately by user space without automatically breaking all of glibc.
> 
> I'm lost -- I think the missing verb is important :)
> 

... legitimately *used* by user space ...

As in you can use it to implement your own, non-POSIX, synchronization
primitives.

	-hpa