From: utzoo!decvax!decwrl!sun!megatest!ubvax!arvind
Newsgroups: net.lang.c
Title: Re: RE:  C and real hardware - (nf)
Article-I.D.: ubvax.124
Posted: Sat Apr 30 11:26:09 1983
Received: Mon May  2 04:24:45 1983

#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.