From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Task_Barriers
Date: Thu, 25 Jul 2019 18:43:58 +0200
Date: 2019-07-25T18:43:58+02:00 [thread overview]
Message-ID: <qhcm8f$2ic$1@gioia.aioe.org> (raw)
In-Reply-To: e0ed983d-bb8d-4568-8f0b-c6771431e271@googlegroups.com
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
next prev parent reply other threads:[~2019-07-25 16:43 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-25 16:32 Task_Barriers Gilbert Gosseyn
2019-07-25 16:43 ` Dmitry A. Kazakov [this message]
2019-07-25 18:56 ` Task_Barriers Dennis Lee Bieber
2019-07-25 20:11 ` Task_Barriers Jeffrey R. Carter
2019-07-25 20:17 ` Task_Barriers Simon Wright
2019-07-25 21:59 ` Task_Barriers Randy Brukardt
2019-07-26 7:52 ` Task_Barriers Simon Wright
2019-07-26 23:59 ` Task_Barriers Dennis Lee Bieber
2019-07-26 10:38 ` Task_Barriers Gilbert Gosseyn
2019-07-26 11:09 ` Task_Barriers Dmitry A. Kazakov
2019-07-26 15:03 ` Task_Barriers Simon Wright
2019-07-27 0:10 ` Task_Barriers Dennis Lee Bieber
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