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=-0.3 required=5.0 tests=BAYES_00,FREEMAIL_FROM, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,4d2a71c8801ecab1 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-07-05 14:54:08 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!news.he.net!cyclone-sf.pbi.net!151.164.30.35!cyclone.swbell.net!bos-service1.ext.raytheon.com!bos-service2.ext.raytheon.com.POSTED!not-for-mail Message-ID: <3D2610F8.F2756A89@despammed.com> From: Wes Groleau Reply-To: wesgroleau@despammed.com X-Mailer: Mozilla 4.77 [en] (Windows NT 5.0; U) X-Accept-Language: en,es-MX,es,pt,fr-CA,fr MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Common sense... References: <3D25D743.9F10D353@despammed.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Fri, 05 Jul 2002 16:34:48 -0500 NNTP-Posting-Host: 151.168.144.162 X-Complaints-To: news@ext.ray.com X-Trace: bos-service2.ext.raytheon.com 1025904920 151.168.144.162 (Fri, 05 Jul 2002 17:35:20 EDT) NNTP-Posting-Date: Fri, 05 Jul 2002 17:35:20 EDT Organization: Raytheon Company Xref: archiver1.google.com comp.lang.ada:26890 Date: 2002-07-05T16:34:48-05:00 List-Id: > > I'd say the iterators should be coded to prevent > > more than one being on a particular node at any time. > > > > But then you'd have hassles with concurrency. > > There are hassles with concurrency in allowing more than one iterator to use > the same node. What if the only iterator holding a node releases it at the But you have even more hassles when you prevent it. You have to ensure that the task holding the node can't get blocked by the task waiting for the node. -- Wes Groleau http://freepages.rootsweb.com/~wgroleau