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 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: "J-P. Rosen" Newsgroups: comp.lang.ada Subject: Re: Taking 'Access of single task/protected object Date: Fri, 8 Jan 2016 09:52:04 +0100 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Injection-Date: Fri, 8 Jan 2016 08:49:26 -0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="45bffd6a911624777cad79aac3181090"; logging-data="19981"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19FvOUBHSRmN5OepK1ZbyCq" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 In-Reply-To: Cancel-Lock: sha1:G4jSX44fboslrG092hpgzFJ8fK0= Xref: news.eternal-september.org comp.lang.ada:29055 Date: 2016-01-08T09:52:04+01:00 List-Id: Le 08/01/2016 00:52, Randy Brukardt a écrit : > There's no reason to use a single task other > than convinience, and once you're code gets complex enough, "convinience" > should be the last of your concerns. Hmmm.... not really. There can be value in having syntactic guarantee that a task is really a singleton, i.e. that there cannot be any other of its kind (for example, if the task is the only thing declared in a package spec, then there is no issue of concurrent access to global variables in the package body). -- J-P. Rosen Adalog 2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00 http://www.adalog.fr