zmbenhal@netcom.com (Zeyd M. Ben-Halim) writes:
quoted text
> In article <BsR7wB5w165w@kf8nh.wariat.org> kf8nh@kf8nh.wariat.org (Brandon S.
> >Someone has done System V IPC for Linux.  This seems perhaps a bit silly to
> >me; I can write (have already designed in my head) a System V shared memory
> >emulator library that uses mmap() (the standard Linux shared memory
>                             ^^^^
> This is incomplete in Linux. You can only mmap /dev/mem (done so we can acces
> the screen).

?????  It was my understanding that the kernel-level mmap primitives
((*fs->bmap)()) were used to implement demand paging.  So what, aside from a
little bit of glue (and presumably some error checking) in the mmap syscall
itself, is missing?

++Brandon

--
He's BAAAACK! Brandon S. Allbery     NOTE NEW ADDRESS!!! kf8nh@kf8nh.wariat.org