From: Heinz Lycklama <heinz@osta.com>
To: tuhs@minnie.tuhs.org
Subject: Re: [TUHS] Unix on Zilog Z8000?
Date: Tue, 21 Jan 2020 13:07:07 -0800 [thread overview]
Message-ID: <85e9f90a-8ab2-2c43-f7a8-7a34e96bd9e8@osta.com> (raw)
In-Reply-To: <CAC20D2MuKVqDdosO8FMZ52H1=GY=ziMUsFJsFoyVa0TAGwCx8A@mail.gmail.com>
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That is correct. John Bass did contribute the lockf(2) system call
to the /usr/group standard. It is in the 1984 document.
Heinz
On 1/21/2020 10:28 AM, Clem Cole wrote:
> The Onyx box redated all the 68K and later Intel or other systems.
> John Bass brought one to USENIX to demo in early 1980 ru a V7 port
> and everyone was blown away. Playing with it. It was a desktop (19"
> rack) system that worked like a PDP-11. I don't remember the bus,
> but I would guess it was either custom or Multibus-I.
>
> Besides being one of the first non-PDP-11 'ports', the original
> lockf(2) system call was defined for the database that they had built.
> John would release the specs to /usr/group later. I remember at one
> meeting in the early 1980s discussing if file locking needed to be in
> the original specification (Heinz probably remembers also as the chair
> of that meeting). I'm not at home, so I don't have the document to
> see if it was picked up. The argument was that serious computers like
> VMS or the like ran real databases and without file locking UNIX would
> never be considered a real OS that people could use.
>
> BTW: Joy would later use Bass's call as a model for the 4.2 call, but
> Joy made the locks advisory, Bass's version was full / mandatory locks.
>
> FWIW: I think a search will pick up a number of other Z8000 based
> systems, but Onyx was the first UNIX box.
>
> On Tue, Jan 21, 2020 at 12:53 PM Jon Forrest <nobozo@gmail.com
> <mailto:nobozo@gmail.com>> wrote:
>
> There's been a lot of discussion about early Unix on Intel, National
> Semi, Motorola, and Sparc processors. I don't recall if Unix ran on
> the Z8000, and if not, why not.
>
> As I remember the Z8000 was going to be the great white hope that
> would continue Zilog's success with the Z80 into modern times.
> But, it obviously didn't happen.
>
> Why?
>
> Jon
>
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next prev parent reply other threads:[~2020-01-21 21:08 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-21 17:52 Jon Forrest
2020-01-21 18:13 ` Steve Nickolas
2020-01-21 18:27 ` William Pechter
2020-01-21 18:15 ` Henry Bent
2020-01-21 18:20 ` Larry McVoy
2020-01-21 21:48 ` Nigel Williams
2020-01-21 22:00 ` Henry Bent
2020-01-21 22:36 ` Derek Fawcus
2020-01-21 22:35 ` Jason Stevens
2020-03-15 18:40 ` Cornelius Keck
2020-03-16 0:28 ` Wesley Parish
2020-03-16 22:02 ` Derek Fawcus
2020-01-21 18:32 ` William Pechter
2020-01-21 21:24 ` Jon Forrest
2020-01-21 18:28 ` Clem Cole
2020-01-21 21:07 ` Heinz Lycklama [this message]
2020-01-21 21:32 ` [TUHS] Onyx (was Re: Unix on Zilog Z8000?) Derek Fawcus
2020-01-22 8:18 ` [TUHS] Unix on Zilog Z8000? Arrigo Triulzi
2020-01-22 17:00 ` Mary Ann Horton
2020-01-22 21:04 ` [TUHS] Life at UC Berkeley (was Unix on Zilog Z8000?) Jon Forrest
2020-01-23 2:08 ` [TUHS] Unix on Zilog Z8000? Erik Fair
2020-01-22 19:55 ` Andreas Hein
2020-01-23 12:01 ` Oliver Lehmann
2020-01-25 1:46 ` [TUHS] Dhrystone Benchmark (was: Unix on Zilog Z8000?) Oliver Lehmann
2020-01-25 1:49 ` Oliver Lehmann
2020-01-25 2:29 ` Warner Losh
2020-01-22 10:56 [TUHS] Unix on Zilog Z8000? Paul Ruizendaal
2020-01-22 13:14 Paul Ruizendaal
2020-01-22 15:14 ` Clem Cole
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