Re: User vs. Kernel (was: To be smug, or not to be smug, that is , the question)
Richard Henderson (rth@twiddle.net)
Sat, 23 Jan 1999 13:45:34 -0800
On Sat, Jan 23, 1999 at 10:09:35PM +0000, Alan Cox wrote:
> > The original poster said "generalized message passing" and you
> > responded with something that can pass 4 or 8 bytes between
> > processes with the same UID. That isn't very general.
>
> You mean "can pass an address". Now add a shared memory block and
> the rest is trivial
POSIX does have message queues that can send effectively arbitrary
amount of data. It's not been implemented, though it may be doable
entirely from userland.
r~
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