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From: R!ch <richardt@uk.sun.com>
Newsgroups: comp.unix.bsd.freebsd.misc,comp.os.linux.misc,comp.unix.solaris
Subject: Re: Benchmarking different Unix Operating Systems
Date: Thu, 26 Sep 1996 09:03:12 +0100
Organization: Sun Microsystems Inc., Mountain View, CA
Lines: 27
Distribution: inet
Message-ID: <Pine.SOL.3.93.960926085852.3778C-100000@demented>
References: <aak2.842008017@isis.msstate.edu> <52csjt$lui@panix.com> <52d9mq$13a@cucumber.demon.co.uk>
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To: Andrew Gabriel <andrew@cucumber.demon.co.uk>
In-Reply-To: <52d9mq$13a@cucumber.demon.co.uk>
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:28042 comp.os.linux.misc:131748 comp.unix.solaris:83822
On 26 Sep 1996, Andrew Gabriel wrote:
> Yes. I spent a number of years working with a proprietry real-time
> operating system where all device drivers ran in user space, with all
> the normal user space protection, and the ability to use debuggers,
> reload if crash, etc, without the whole OS keeling over.
A device driver in user space?! Surely that's *asking* for trouble?!
I mean what sort of protection from other processes does it offer? How
is access to the device co-ordinated?
---
R!ch
If it ain't analogue, it ain't music.
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