[TUHS] Did SunOS 3 have mmap(2)?
jkunz at unixag-kl.fh-kl.de
Thu Apr 17 17:49:29 AEST 2003
On 2003.04.16 23:56 Tim Bradshaw wrote:
> I've just asked someone who knows, and he elaborated my very vague
> memory: yes it did, and in fact there was mmap right back, and beyond,
> the start of SunOS.
Wasn't some mmap like functionality a central concept of MULTICS long
bevore UNIX was born? (I should read that article about MULTICS on the
> *But* it only mapped devices, particularly
> framebuffers, where it was obviously very useful.
> SunOS 4 had a fully-fledged mmap.
... mostly for implementing shared libs. (?)
> I am fairly sure that 4.2BSD had manual pages for mmap, but it didn't
AFAIK BSD got a mmap with the MACH-VM in 4.3BSD-Reno. The old VAX-VM had
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