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=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED.3d73Ybk3C5U4I2t8lv+lAQ.user.gioia.aioe.org!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Task_Barriers Date: Thu, 25 Jul 2019 18:43:58 +0200 Organization: Aioe.org NNTP Server Message-ID: References: NNTP-Posting-Host: 3d73Ybk3C5U4I2t8lv+lAQ.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 Content-Language: en-US X-Notice: Filtered by postfilter v. 0.9.2 Xref: reader01.eternal-september.org comp.lang.ada:56941 Date: 2019-07-25T18:43:58+02:00 List-Id: On 2019-07-25 18:32, Gilbert Gosseyn wrote: > with Ada.Text_IO , Ada.Synchronous_Barriers ; > use Ada.Text_IO , Ada.Synchronous_Barriers ; > > procedure Task_Barriers is > NT: constant := 2; > SB: Ada.Synchronous_Barriers.Synchronous_Barrier(NT) ; > Notified : Boolean:= False ; > task T1 ; > task T2 ; > > X: Integer :=0; > Y: Integer :=1; > > task body T1 is > begin > loop > delay 1.0 ; > Wait_For_Release (SB,Notified) ; > X:=X+1; > end loop ; > end T1 ; > > task body T2 is > begin > loop > delay 1.0 ; > Wait_For_Release (SB, Notified) ; > Y:=Y+1; > end loop ; > end T2 ; > begin > null ; > end Task_Barriers ; > > This program runs forever, although it should stop when reaching an internal count number? From the description the barrier rearms itself again after releasing all tasks D.10.1 (11/3). So, it looks correct behavior to me. Both tasks get synchronized at the barrier and then repeat it again each second. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de