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: 103376,e44790cdcea9da82 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!newshub.sdsu.edu!elnk-nf2-pas!newsfeed.earthlink.net!stamper.news.pas.earthlink.net!newsread3.news.pas.earthlink.net.POSTED!a6202946!not-for-mail From: Jeffrey Carter Organization: jrcarter commercial-at acm [period | full stop] org User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Problem with -gnatt References: <41651D37.4030805@mailinator.com> <2skt9qF1ljjdtU1@uni-berlin.de> <4165472D.2030704@mailinator.com> <416573FA.4010003@mailinator.com> <87k6u2mj08.fsf@insalien.org> <4166538E.6090907@mailinator.com> <41702af7$0$91003$39cecf19@news.twtelecom.net> <417377F7.7050506@mailinator.com> <4173f0ed$0$91003$39cecf19@news.twtelecom.net> <417409AB.8040702@mailinator.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Message-ID: Date: Wed, 20 Oct 2004 01:20:07 GMT NNTP-Posting-Host: 63.184.9.73 X-Complaints-To: abuse@earthlink.net X-Trace: newsread3.news.pas.earthlink.net 1098235207 63.184.9.73 (Tue, 19 Oct 2004 18:20:07 PDT) NNTP-Posting-Date: Tue, 19 Oct 2004 18:20:07 PDT Xref: g2news1.google.com comp.lang.ada:5481 Date: 2004-10-20T01:20:07+00:00 List-Id: Brian May wrote: > Matthew> do using a controlled helper type, as in my example), > Matthew> then there's no reason not to use a semaphore. > > This wont prevent mistakes where you forget to lock the semaphore. Heany is talking about a "safe" semaphore, in which the Initialize procedure of a controlled object obtains the semaphore, and the Finalize procedure releases it. However, I would only advise using a semaphore in cases in which you cannot use a protected object. -- Jeff Carter "Spam! Spam! Spam! Spam! Spam! Spam! Spam! Spam!" Monty Python's Flying Circus 53