Path: utzoo!utgpu!water!watmath!clyde!rutgers!gatech!bloom-beacon!husc6!bbn!rochester!PT.CS.CMU.EDU!IUS1.CS.CMU.EDU!edw
From: edw@IUS1.CS.CMU.EDU (Eddie Wyatt)
Newsgroups: comp.lang.c
Subject: Re: Volatile is Necessary
Message-ID: <1270@PT.CS.CMU.EDU>
Date: 31 Mar 88 13:22:34 GMT
References: <12578@brl-adm.ARPA> <1988Mar25.172355.348@utzoo.uucp> <8107@sol.ARPA> <193@laic.UUCP>
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Organization: Carnegie-Mellon University, CS/RI
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 >You need a hell of a lot more than "volatile" to properly
 >synchronize concurrent processes.

However, your synchronization primatives may use shared mem that requires
the volatile semantics.  One example is spin locks.


-- 

Eddie Wyatt 				e-mail: edw@ius1.cs.cmu.edu