From: Werner Almesberger <Werner.Almesberger@epfl.ch>
To: "J . A . Magallon" <jamagallon@able.es>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: Linus's include file strategy redux
Date: Sat, 16 Dec 2000 00:47:14 +0100 [thread overview]
Message-ID: <20001216004714.V573@almesberger.net> (raw)
In-Reply-To: <20001215152137.K599@almesberger.net> <NBBBJGOOMDFADJDGDCPHAENMCJAA.law@sgi.com> <20001215222117.S573@almesberger.net> <20001215234857.A689@werewolf.able.es>
In-Reply-To: <20001215234857.A689@werewolf.able.es>; from jamagallon@able.es on Fri, Dec 15, 2000 at 11:48:57PM +0100
J . A . Magallon wrote:
> Easier: public kernel interfaces only work through pointers.
Requires more elaborate wrappers or a new layer of wrapper functions
around system calls, if you want to make this completely general.
Also, doesn't provide FOOSIZE to "public" space.
> Too kind-of-classroom-not-real-world-useless-thing ?
I'm afraid so ...
I don't think there are many opaque types where there's no trival
solution. Actually, I don't think there are many opaque types at
kernel APIs to start with. The one I know offhand is atm_kptr_t
in include/linux/atmapi.h, in this case, there's little risk in
exposing the internal structure.
So I'd consider opaque types more as a hypothetical obstacle.
- Werner
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next prev parent reply other threads:[~2000-12-16 0:18 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <91gr99$bs81o$1@fido.engr.sgi.com>
2000-12-14 23:55 ` Linus's include file strategy redux LA Walsh
2000-12-15 0:14 ` Miquel van Smoorenburg
2000-12-15 0:17 ` Alexander Viro
2000-12-15 0:39 ` Miquel van Smoorenburg
2000-12-15 0:33 ` Alan Cox
2000-12-15 0:48 ` Alexander Viro
2000-12-15 0:56 ` David Riley
2000-12-15 1:05 ` Alexander Viro
2000-12-15 4:24 ` ferret
2000-12-16 11:30 ` Marcus Sundberg
2000-12-15 14:57 ` Kurt Roeckx
2000-12-15 15:23 ` Dana Lacoste
2000-12-15 22:28 ` Alex Buell
2000-12-16 22:41 ` Peter Samuelson
2000-12-18 15:51 ` Dana Lacoste
2000-12-18 17:08 ` Peter Samuelson
2000-12-18 19:32 ` David Schleef
2000-12-18 17:04 ` richard offer
2000-12-19 5:16 ` Peter Samuelson
2000-12-15 0:15 ` Alexander Viro
2000-12-15 7:21 ` LA Walsh
2000-12-15 11:05 ` Chmouel Boudjnah
2000-12-15 14:21 ` Werner Almesberger
2000-12-15 17:15 ` ferret
2000-12-15 17:46 ` Werner Almesberger
2000-12-15 20:29 ` Joe deBlaquiere
2000-12-15 21:27 ` Werner Almesberger
2000-12-15 22:58 ` Joe deBlaquiere
2000-12-15 23:56 ` Werner Almesberger
2000-12-16 22:50 ` Peter Samuelson
2000-12-17 0:04 ` Joe deBlaquiere
2000-12-17 2:05 ` Peter Samuelson
2000-12-15 18:10 ` LA Walsh
2000-12-15 21:02 ` Miquel van Smoorenburg
2000-12-16 4:04 ` ferret
2000-12-16 11:09 ` Miquel van Smoorenburg
2000-12-16 17:20 ` ferret
2000-12-17 0:21 ` J . A . Magallon
2000-12-16 23:10 ` Peter Samuelson
2000-12-17 1:15 ` Miquel van Smoorenburg
2000-12-17 2:18 ` Peter Samuelson
2000-12-15 21:21 ` Werner Almesberger
2000-12-15 21:36 ` LA Walsh
2000-12-15 22:48 ` J . A . Magallon
2000-12-15 23:47 ` Werner Almesberger [this message]
2000-12-16 4:11 ` ferret
2000-12-16 2:50 ` richard offer
2000-12-16 4:22 ` What about 'kernel package'? was: " ferret
2000-12-15 19:35 ` Matt D. Robinson
2000-12-15 21:36 ` Werner Almesberger
2000-12-18 17:48 Petr Vandrovec
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