Path: utzoo!utgpu!water!watmath!clyde!rutgers!cmcl2!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.lang.c
Subject: Re: Volatile is Necessary
Message-ID: <7569@brl-smoke.ARPA>
Date: 27 Mar 88 19:24:21 GMT
References: <12578@brl-adm.ARPA> <1988Mar25.172355.348@utzoo.uucp> <8107@sol.ARPA>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 6

In article <8107@sol.ARPA> crowl@cs.rochester.edu (Lawrence Crowl) writes:
>shared-memory multiprocessors.  Processes on such machines communicate via
>updates to a shared variables.

You need a hell of a lot more than "volatile" to properly
synchronize concurrent processes.