Re: Mach ports use

[Thomas Bushnell, BSG]

nisse@lysator.liu.se (Niels Möller) writes:

> And for high performance, I suspect the right way to do it is to share
> some buffer space (preferably shared all the way down to the
> network card), and send a messages when a packet is written to the
> buffer, and when a packet have been completely processed so that the
> buffer can be reused.

Sending a message with data is not any more expensive than sending one
without, generally.  The exceptions are for cases of large packets.
In that case, however, we want to use out-of-band message passing,
which should be fast.