From: Darren New <dnew@san.rr.com>
Subject: Re: Multitasking theory question
Date: Mon, 24 Jun 2002 15:14:52 GMT
Date: 2002-06-24T15:14:52+00:00 [thread overview]
Message-ID: <3D173788.8758A005@san.rr.com> (raw)
In-Reply-To: QfzR8.51$zt.4961@news.xtra.co.nz
AG wrote:
> However, what I was driving at is a sort of a virtual machine:
> - *assuming* it runs at all, and lets you do some basic things
> like Turing machine, where does an OS come into it?
The places where a machine isn't a turing machine. I.e., Input/Output.
> Sure, it
> may take ages for anything to happen if the computer is sufficiently
> slow but you still can implement whatever scheduling you like.
Uh, no. If you have a 3rd party device driver that blocks, then you can't do
non-blocking I/O to that device, regardless of what cleverness you set up in
your part of the program.
--
Darren New
San Diego, CA, USA (PST). Cryptokeys on demand.
** http://home.san.rr.com/dnew/DNResume.html **
** http://images.fbrtech.com/dnew/ **
My brain needs a "back" button so I can
remember where I left my coffee mug.
next prev parent reply other threads:[~2002-06-24 15:14 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-20 20:46 Multitasking theory question Kai Schuelke
2002-06-20 20:53 ` Stephen Leake
2002-06-21 2:13 ` Ted Dennison
2002-06-24 3:18 ` AG
2002-06-24 4:13 ` tmoran
2002-06-24 4:24 ` AG
2002-06-24 7:33 ` Dale Stanbrough
2002-06-25 3:27 ` AG
2002-06-25 4:48 ` tmoran
2002-06-25 5:00 ` AG
2002-06-25 5:17 ` Darren New
2002-06-25 5:25 ` AG
2002-06-24 5:43 ` Mark Biggar
2002-06-24 6:48 ` AG
2002-06-24 15:14 ` Darren New [this message]
2002-06-24 16:19 ` Larry Kilgallen
2002-06-25 2:01 ` AG
2002-06-25 3:21 ` Darren New
2002-06-25 4:01 ` AG
2002-06-25 4:19 ` Darren New
2002-06-25 4:51 ` AG
2002-06-26 1:58 ` Darren New
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox