Re: Solaris Doors API for Linux

Torgeir Veimo (torgeir.veimo@vertech.no)
Tue, 09 Jun 1998 12:30:24 +0000


Jason Lango wrote:
>
> (Humor aside:) I certainly must agree that dealing directly with
> shared memory is the way to go for speed, however I've been mulling
> over various test applications for doors where, for correctness and
> security, you really want to pass a copy-on-write shared memory
> buffer. Something like a video-capture server for image processing,
> where the server continually sends frames to connected clients: A
> slow client would be assured of a consistent image (which is hard to
> implement with mmap() or shmat()) and fast clients would tend to share
> pages.

What about the dma mmap scheme linus wanted someone to take a look at
about three weeks ago? I guess it is somewhat more appropriate when you
don't want all the features of the doors api.

-- 
Torgeir Veimo, Vertech AS,

email: Torgeir.Veimo@vertech.no, mobile: 90673881, office: +47 55563755

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