linux-kernel - Re: For review: pid_namespaces(7) man page

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Message-ID: <CAKgNAkhyu6G_X5Smkq02a6GU7FcLQ1rR+e7f+KK4ruUy5-Z6AQ@mail.gmail.com>
Date:	Mon, 4 Mar 2013 13:48:48 +0100
From:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Rob Landley <rob@...dley.net>,
	linux-man <linux-man@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: For review: pid_namespaces(7) man page

On Mon, Mar 4, 2013 at 5:03 AM, Eric W. Biederman <ebiederm@...ssion.com> wrote:
> Rob Landley <rob@...dley.net> writes:
>
>> On 03/01/2013 03:57:40 AM, Michael Kerrisk (man-pages) wrote:
>>> > And yet the glibc guys insist on #define
>>> GNU_GNU_GNU_ALL_HAIL_STALLMAN in
>>> > order to access this Linux-specific feature which has nothing
>>> whatsoever to
>>> > do with the FSF.
>>>
>>> This is a misunderstanding. _GNU_SOURCE is the standard way to expose
>>> Linux-specific functionality from POSIX header files.
>>
>> What standard? The Linux kernel is not, and never was, part of the GNU
>> project.
>
> Is the argument that there should be a _LINUX_SOURCE directive in glibc
> for this?
>
> Although come to think of it I can't imagine how <sched.h> is a POSIX
> header.  Last I looked it only had linux specific bits in it.  Which
> makes needing any kind of #define strange.

I think you may be thinking of the wrong sched.h. The glibc
/usr/include/sched.h declares many user-space functions from POSIX.


Cheers,

Mcihael
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