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=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,ce6f6f23c4e880ad X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-06-23 21:22:57 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!logbridge.uoregon.edu!tethys.csu.net!news-hog.berkeley.edu!ucberkeley!enews.sgi.com!news.xtra.co.nz!53ab2750!not-for-mail From: "AG" Newsgroups: comp.lang.ada References: <10xR8.245$Gc5.62814264@newssvr14.news.prodigy.com> Subject: Re: Multitasking theory question X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Message-ID: Date: Mon, 24 Jun 2002 16:24:29 +1200 NNTP-Posting-Host: 210.55.167.253 X-Complaints-To: newsadmin@xtra.co.nz X-Trace: news.xtra.co.nz 1024892576 210.55.167.253 (Mon, 24 Jun 2002 16:22:56 NZST) NNTP-Posting-Date: Mon, 24 Jun 2002 16:22:56 NZST Organization: Xtra Xref: archiver1.google.com comp.lang.ada:26634 Date: 2002-06-24T16:24:29+12:00 List-Id: wrote in message news:10xR8.245$Gc5.62814264@newssvr14.news.prodigy.com... > > What does it have to do with DOS or any OS for that matter? > > Surely, a run-time system can implement whatever scheduling > IIRC there was an outfit in Iceland (Artek?) that was working > on Ada 83 on DOS with preemptive scheduling. Did they ever get > anywhere? Not sure about that one. The only Ada compiler on DOS that I ever saw was a [very] old Meridian version. Since it was limited [all the usual disclaimers here] to just a few tasks if I remember correctly, and that DOS probably wasn't *the* problem, well... It looks like it wasn't the question of what does OS support - if you can do 15 tasks you can as wel do 255 at least :)