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=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.36.101.194 with SMTP id u185mr4894358itb.6.1510464208496; Sat, 11 Nov 2017 21:23:28 -0800 (PST) X-Received: by 10.157.94.7 with SMTP id d7mr584197oti.8.1510464208107; Sat, 11 Nov 2017 21:23:28 -0800 (PST) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!news.unit0.net!peer03.am4!peer.am4.highwinds-media.com!peer03.iad!feed-me.highwinds-media.com!news.highwinds-media.com!l196no1547749itl.0!news-out.google.com!x87ni2715ita.0!nntp.google.com!m191no979653itg.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Sat, 11 Nov 2017 21:23:27 -0800 (PST) Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=85.167.108.19; posting-account=bPTmZAoAAAC_6HP9XLKB9aAAxBa6BuOR NNTP-Posting-Host: 85.167.108.19 User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: About protected objects: entries with barriers depending on external data = bad practice ? From: reinert Injection-Date: Sun, 12 Nov 2017 05:23:28 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Received-Bytes: 1591 X-Received-Body-CRC: 1736082065 Xref: feeder.eternal-september.org comp.lang.ada:48833 Date: 2017-11-11T21:23:27-08:00 List-Id: Mostly for curiosity: Assume a protected entry with a barrier depending on external data - and it= is waiting for its barrier to become true. It must be laborious to check t= he barrier depending on something "far-far away"? How is this checking done= in practice? The entry waits for other entries, procedures or functions an= d when they arrive, it may start before them? Or something more efficient? Letting barriers depend on external data =3D asking for trouble? reinert, https://korsnesbiocomputing.no/