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=ham autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,a4db0fc323f0b09e X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!postnews.google.com!e34g2000vbm.googlegroups.com!not-for-mail From: Ludovic Brenta Newsgroups: comp.lang.ada Subject: Re: Barrier re-evaluation issue with GNAT 4.3.2 Date: Fri, 25 Sep 2009 02:57:42 -0700 (PDT) Organization: http://groups.google.com Message-ID: <3695a362-5c8f-460e-808e-007bdcac3cd0@e34g2000vbm.googlegroups.com> References: NNTP-Posting-Host: 153.98.68.197 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: posting.google.com 1253872662 17007 127.0.0.1 (25 Sep 2009 09:57:42 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Fri, 25 Sep 2009 09:57:42 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: e34g2000vbm.googlegroups.com; posting-host=153.98.68.197; posting-account=pcLQNgkAAAD9TrXkhkIgiY6-MDtJjIlC User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3,gzip(gfe),gzip(gfe) Xref: g2news2.google.com comp.lang.ada:8463 Date: 2009-09-25T02:57:42-07:00 List-Id: Dmitry A. Kazakov wrote on comp.lang.ada: > Timing_Events does not have any advantages over delay or asynchronous > transfer of control. I guess it was provided for some low-level stuff like > interrupts from hardware timers. However there was already a support for > interrupts mapped into protected operations, so it really puzzles me why > Timing_Events were added. The reasons are explained in AI95-297. It seems you've never written any low-level code before, or cared about it? [1] http://www.ada-auth.org/cgi-bin/cvsweb.cgi/ais/ai-00297.txt?rev=1.25 -- Ludovic Brenta.