From: utzoo!decvax!cca!Peter@sri-unix
Newsgroups: net.unix-wizards
Title: A UNIX Question
Article-I.D.: sri-unix.2151
Posted: Tue Jul 20 00:27:21 1982
Received: Sun Jul 25 00:49:42 1982

Date: 24 Jun 1982 1813-PDT
Does any version of UNIX allow a process to initiate I/O on a physical device
without blocking?  For example, asynchronous disc I/O controlled by event flags,
multiple processes with shared memory.
Peter