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Message-ID: <Pine.LNX.4.64.0707191855410.7525@localhost.localdomain>
Date:	Thu, 19 Jul 2007 18:56:34 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	jirislaby@...il.com
Subject: Re: [PATCH] Warn userspace about including an empty linux/tty.h.

On Thu, 19 Jul 2007, Andrew Morton wrote:

> On Thu, 19 Jul 2007 07:23:46 -0400 (EDT)
> "Robert P. J. Day" <rpjday@...dspring.com> wrote:
>
> >
> > Signed-off-by: Robert P. J. Day <rpjday@...dspring.com>
> >
> > ---
> >
> >   what subsystem would something like this belong to?
> >
> >
> > diff --git a/include/linux/tty.h b/include/linux/tty.h
> > index 691a174..fd67da8 100644
> > --- a/include/linux/tty.h
> > +++ b/include/linux/tty.h
> > @@ -5,6 +5,10 @@
> >   * 'tty.h' defines some structures used by tty_io.c and some defines.
> >   */
> >
> > +#ifndef __KERNEL__
> > +#warning "Please don't include this file from userspace, it's empty."
> > +#endif
> > +
>
> this seems pointless?

it was one of the suggestions that was made.  the other was just to
stop exporting tty.h to userspace entirely, but that might break
something in userspace.  i really had no strong opinion either way.

rday
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================
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