[erlang-questions] UNIX streams and Erlang ports
Sat Feb 3 03:27:21 CET 2007
Robert Virding wrote:
> I discovered a copy of a very interesting, but rather old, paper by
> Dennis Ritchie called "A Stream Input-Output System" from 1984. It
> describes a new flexible system for communication between user
> applications and devices.
> "A stream is a full-duplex connection bwtween a user's process and a
> device or pseudo device. It consists of several linearly connected
> processing modules, and is analagous to a Shell pipeline, except that
> data flows in both directions. The modules in a stream communicate
> almost exclusively by passing messages to thier neighbors. ..."
> It is a truly elegant concept.
Except that it was never implemented efficiently enough, thus the
port_XXX commands. Our fault. Had we done better job 13 years ago,
we'd never seen the port_XXX commands ... and more
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