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- Path: sparky!uunet!stanford.edu!rutgers!cbmvax!jesup
- From: jesup@cbmvax.commodore.com (Randell Jesup)
- Newsgroups: comp.arch
- Subject: Re: reentrant
- Message-ID: <38258@cbmvax.commodore.com>
- Date: 3 Jan 93 01:31:18 GMT
- References: <id.JY9W.Y64@ferranti.com> <C04zn2.A95.2@cs.cmu.edu> <1993Jan2.122544.26198@sei.cmu.edu> <C08qF4.Knz@news.iastate.edu>
- Reply-To: jesup@cbmvax.commodore.com (Randell Jesup)
- Organization: Commodore, West Chester, PA
- Lines: 40
-
- john@iastate.edu (John Hascall) writes:
- >firth@sei.cmu.edu (Robert Firth) writes:
- >}>The OS world is moving towards multithreading...
- >
- >}It is with some trepidation that I amend one of Don Lindsay's comments,
- >}but in my experience it is only the C/Unix world that is moving towards
- >}multithreading. The rest of the world has been there for a very long time.
- >
- >Perhaps the research world has been...
- >But as far as (popular) commercially available OSes, it would seem not:
- >
- > MS-DOS: not a chance
- > VMS: nope
- > MVS: sort of, but horrid
- > VM: I dunno, and I hope never to find out ;-)
- > OS/2: ditto
- Yes, as I understand it.
- > UNIX: not yet
- > OSF/1: yes, but not much of a commercial success at this point
-
- AmigaOS: Yes (actually it's kind of your only choice)
- MacOS: No
- TOS (yech): No, maybe with the vapor-ish "Falcon"
- NT: Yes, I think (not sure).
-
- Note that most/all of the OS's _designed_ after about '85 or so have some level
- of preemptive thread support (AmigaOS, OS/2, NT, sort-of-new OSF/1). TOS is
- running a modified CPM/68K (aka pre-85), so I don't count it. The MacOS might
- have had it (Lisa was multitasking), but tasking got dropped. The MacOS will
- probably have it sometime in the future.
-
- Of course, the definition of "thread" may vary...
-
- --
- GNU Emacs is a LISP operating system disguised as a word processor.
- - Doug Mohney, in comp.arch
-
- Randell Jesup, Jack-of-quite-a-few-trades, Commodore Engineering.
- jesup@cbmvax.commodore.com BIX: rjesup
- Disclaimer: Nothing I say is anything other than my personal opinion.
-