Path: utzoo!mnetor!uunet!husc6!bbn!rochester!PT.CS.CMU.EDU!K.GP.CS.CMU.EDU!jgm
From: jgm@K.GP.CS.CMU.EDU (John Myers)
Newsgroups: comp.lang.c
Subject: Re: Volatile is Necessary
Message-ID: <1259@PT.CS.CMU.EDU>
Date: 30 Mar 88 18:41:22 GMT
References: <8107@sol.ARPA> <77200028@uiucdcsp>
Sender: netnews@PT.CS.CMU.EDU
Organization: System/Technology Development Corp.
Lines: 11


Is R. Stallman's reading of the ANSI draft wrong, or isn't it
necessary to declare automatic variables as 'volatile' in order to
guarantee that their values will be preseved across a setjmp/longjmp?
(as otherwise they could be placed in registers)

If RMS is right, then the committee botched setjmp/longjmp.

-- 
_.John G. Myers		Internet: John.Myers@cs.cmu.edu
			LoseNet:  ...!seismo!hao!wiscvm.wisc.edu!k!nobody