From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.157.44.237 with SMTP id e42mr7236678otd.20.1472652018935; Wed, 31 Aug 2016 07:00:18 -0700 (PDT) X-Received: by 10.157.26.54 with SMTP id a51mr887679ote.0.1472652018867; Wed, 31 Aug 2016 07:00:18 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!news.glorb.com!e124no51794ith.0!news-out.google.com!n186ni1210ith.0!nntp.google.com!e124no51770ith.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Wed, 31 Aug 2016 07:00:18 -0700 (PDT) In-Reply-To: <7595494c-3398-4fd9-ab4b-80a79383ae33@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=91.55.213.215; posting-account=rmHyLAoAAADSQmMWJF0a_815Fdd96RDf NNTP-Posting-Host: 91.55.213.215 References: <7595494c-3398-4fd9-ab4b-80a79383ae33@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <6dd0ee20-5e30-4eab-bc88-78cd949d7363@googlegroups.com> Subject: Re: for X'Address use - and Volatile From: AdaMagica Injection-Date: Wed, 31 Aug 2016 14:00:18 +0000 Content-Type: text/plain; charset=UTF-8 Xref: news.eternal-september.org comp.lang.ada:31659 Date: 2016-08-31T07:00:18-07:00 List-Id: If you declare a task, there are always two tasks: your declared one and the environment task (your main subprogram). Shared variables if not volatile are guaranteed to be updated only at task synchronization points. Thus, volatile is not superfluous.