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Re: which one came first

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jgk@panix.com (Joe keane) writes:

> [Unix] shared memory or memory-mapped files
>
> Pretty much everyone has both these days (different interface to common
> function).  What systems supported one but not the other?
>
> Also when did people get the idea to implement 'malloc' in terms of
> 'mmap' rather than [somewhat awkward] 'sbrk'?
>
> (feel free to comment on other operating systems)

TOPS-20 had memory-mapped files as the preferred form of IO. I never
wrote for TENEX so I can't confirm it goes back that far from personal
knowledge. 
-- 
David Dyer-Bennet, dd-b@dd-b.net; http://dd-b.net/
Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/
Photos: http://dd-b.net/photography/gallery/
Dragaera: http://dragaera.info

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which one came first jgk@panix.com (Joe keane) - 2012-04-23 19:05 +0000
  Re: which one came first David Dyer-Bennet <dd-b@dd-b.net> - 2012-04-23 14:32 -0500
    Re: which one came first Barry Margolin <barmar@alum.mit.edu> - 2012-04-23 17:56 -0400
      Re: which one came first Anne & Lynn Wheeler <lynn@garlic.com> - 2012-04-23 18:50 -0400
        Re: which one came first Anne & Lynn Wheeler <lynn@garlic.com> - 2012-04-23 21:49 -0400
  Re: which one came first scott@slp53.sl.home (Scott Lurndal) - 2012-04-23 21:44 +0000
    Re: which one came first jeffj@panix.com (Jeff Jonas) - 2012-05-15 02:41 -0400
      Re: which one came first sarr.blumson@alum.dartmouth.org - 2012-05-15 13:45 +0000
        Re: which one came first Barry Margolin <barmar@alum.mit.edu> - 2012-05-15 10:14 -0400
        Re: which one came first Ahem A Rivet's Shot <steveo@eircom.net> - 2012-05-15 15:29 +0100
          Re: which one came first "Charles Richmond" <numerist@aquaporin4.com> - 2012-05-17 09:28 -0500
            Re: which one came first Casper H.S. Dik <Casper.Dik@OrSPaMcle.COM> - 2012-05-17 15:24 +0000
              Re: vfork and stuff which one came first John Levine <johnl@iecc.com> - 2012-05-17 22:35 +0000
            Re: which one came first Ahem A Rivet's Shot <steveo@eircom.net> - 2012-05-17 16:39 +0100
  Re: which one came first Peter Flass <Peter_Flass@Yahoo.com> - 2012-04-23 21:07 -0400
    Re: which one came first Peter Flass <Peter_Flass@Yahoo.com> - 2012-04-23 21:12 -0400

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