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-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,a011e82e0079f0ea X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-08-12 10:07:50 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!newsfeed.freenet.de!eusc.inter.net!cs.tu-berlin.de!not-for-mail From: Stephan Heinemann Newsgroups: comp.lang.ada Subject: Re: Ravenscar - Multiple Protected Entries Date: 12 Aug 2003 17:07:49 GMT Organization: Technische Universitaet Berlin, Deutschland Message-ID: References: <3F35AFA7.1030905@spam.com> <3F369A4E.1050406@spam.com> <3F37EC07.30009@spam.com> NNTP-Posting-Host: fiesta.cs.tu-berlin.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Trace: news.cs.tu-berlin.de 1060708069 863 130.149.17.156 (12 Aug 2003 17:07:49 GMT) X-Complaints-To: news@cs.tu-berlin.de NNTP-Posting-Date: 12 Aug 2003 17:07:49 GMT User-Agent: tin/1.4.6-20020816 ("Aerials") (UNIX) (SunOS/5.9 (sun4u)) Xref: archiver1.google.com comp.lang.ada:41353 Date: 2003-08-12T17:07:49+00:00 List-Id: > All compilers have to implement the core language, and section 9 is part > of the core language. Annex D (Real-Time Systems) is an optional annex > that a compiler vendor can choose not to implement, to implement > partially, or to implement completely. If your compiler implements Annex > D and you don't mind being limited to compilers that implement Annex D, > then you can rely on the entry that appears first in the protected > unit's specification. If you want to be portable to all compilers, you > can only count on the things in the core language. This appears to be > the intention of Ravenscar, since it limits protected objects to a > single entry to avoid non-determinism. But without Annex D, there would be no monotonic time which is an integral part of Ravenscar... Totally confused, Stephan