mmap in cdevsw

[Paul SPEE]

In article <1989Dec27.132716.7274 at granite.cr.bull.com> freedman at granite.UUCP (Jerome Freedman) writes:
>
>  In the cdevsw ( I hope I got that right ) in Berkeley
>systems I see an mmap. I know what the other stuff is
>supposed to do but could some one explain CLEARLY what
>this does, why I would use it and maybe even pointers
>to relevant examples.

The mmap() interface allows for memory mapped files, but was
never implemented in BSD. For for information, see
"4.3BSD UNIX Operating System" by Leffler, McKusick, Karels
and Quarterman.

Paul Spee
spee%jrdc.go.jp at RELAY.CS.NET