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Path: utzoo!linus!wivax!decvax!decwrl!sun!megatest!ubvax!arvind
From: arvind@ubvax.UUCP
Newsgroups: net.lang.c
Subject: Re: RE:  C and real hardware - (nf)
Message-ID: <129@ubvax.UUCP>
Date: Sat, 25-Jun-83 14:27:12 EDT
Article-I.D.: ubvax.129
Posted: Sat Jun 25 14:27:12 1983
Date-Received: Sun, 26-Jun-83 02:15:19 EDT
Lines: 13

#R:rlgvax:-34500:ubvax:4100002:000:380
ubvax!arvind    Apr 30 11:15:00 1983

***** ubvax:net.lang.c / arvind /  7:10 pm  Apr 29, 1983
***** ubvax:net.lang.c / rlgvax!tom /  4:40 pm  Apr 28, 1983
RE: possible undesired optimization of code like:

	while (ADDR->c_reg&BUSY)
		;

"shared" in place of "volatile" or "unregister" may be a nicer attribute
for vaibales "shared" between processes; the latter includes external
device processes in case of drivers.