From: "Brian Catlin" <briancatlin@mindspring.com>
Subject: Re: Ada OS Kernel features
Date: Wed, 5 Sep 2001 23:59:11 -0700
Date: 2001-09-06T06:59:16+00:00 [thread overview]
Message-ID: <9n76s4$pft$1@slb3.atl.mindspring.net> (raw)
In-Reply-To: umqk7zcolvl.fsf@maestro.clustra.com
[...snip...snip...]
> It is possible (and has been done) to associate privileges with the
> memory segment you are currently executing in, not which process you
> are running in. In this way it is possible to get both speed and
> safety, by having special libraries with sufficient privileges. Kind
> of like the monitor/protected object idea, which lets you execute
> code within it without process switching.
Interesting. Do you have any references to any implementations? This seems
that it would work for a small system, such as an RTOS, but I suspect not for a
large general-purpose operating system.
-Brian
next prev parent reply other threads:[~2001-09-06 6:59 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-05 5:58 Ada OS Kernel features Brian Catlin
2001-09-05 10:15 ` Jacob Sparre Andersen
2001-09-05 11:16 ` Larry Kilgallen
2001-09-05 17:06 ` Brian Catlin
2001-09-06 14:35 ` Marin David Condic
2001-09-07 9:31 ` Tarjei T. Jensen
2001-09-05 17:55 ` David Starner
2001-09-05 18:42 ` Darren New
2001-09-12 6:47 ` Mats Karlssohn
2001-09-05 14:04 ` Ted Dennison
2001-09-05 17:23 ` Brian Catlin
2001-09-05 20:17 ` Ted Dennison
2001-09-05 21:10 ` Brian Catlin
2001-09-06 6:45 ` Tarjei T. Jensen
2001-09-06 6:56 ` Brian Catlin
2001-09-06 14:05 ` Ted Dennison
2001-09-05 16:02 ` Alfred Hilscher
2001-09-05 16:19 ` Jacob Sparre Andersen
2001-09-05 17:58 ` Brian Catlin
2001-09-05 17:44 ` Brian Catlin
2001-09-05 17:58 ` Darren New
2001-09-05 18:51 ` Larry Kilgallen
2001-09-05 19:25 ` chris.danx
2001-09-05 20:07 ` Darren New
2001-09-05 20:14 ` Larry Kilgallen
2001-09-06 13:45 ` Alfred Hilscher
2001-09-06 18:06 ` chris.danx
2001-09-06 19:41 ` Larry Kilgallen
2001-09-06 22:32 ` chris.danx
2001-09-07 11:04 ` Larry Kilgallen
2001-09-07 8:04 ` Dmitry Kazakov
2001-09-07 8:18 ` Mattias Svensson
2001-09-07 12:40 ` Dmitry Kazakov
2001-09-12 7:12 ` Mats Karlssohn
2001-09-05 20:18 ` Brian Catlin
2001-09-06 6:48 ` Ole-Hjalmar Kristensen
2001-09-06 6:59 ` Brian Catlin [this message]
2001-09-10 7:32 ` Ole-Hjalmar Kristensen
2001-09-06 13:42 ` Alfred Hilscher
2001-09-07 8:13 ` Dmitry Kazakov
2001-09-08 3:55 ` Kenneth Almquist
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