From: Mark Lorenzen <mark.lorenzen@surfpost.dk>
Subject: Re: task time-out&abort
Date: 22 Jun 2005 21:44:45 +0200
Date: 2005-06-22T21:44:45+02:00 [thread overview]
Message-ID: <m3mzpi9nwy.fsf@0x535ddcf0.boanxx18.adsl-dhcp.tele.dk> (raw)
In-Reply-To: 1119463703.048124.135330@o13g2000cwo.googlegroups.com
"e.coli" <maurizio.ferracini@gmail.com> writes:
> here the code...
> ------------------------------------
> with Ada.Text_Io;
> with Ada.Task_Identification;
>
> procedure Semplice2 is --processo genitore
>
> task Un_Task is--specifica
> entry Uno;
> entry Due;
> end Un_Task;
>
> task body Un_Task is
> begin
> loop
> select
> accept Uno do
> Ada.Text_Io.Put_Line("foo");
> end Uno;
> or
> accept Due do
> Ada.Text_Io.Put_Line("buffering");
> loop -- ;)
> delay(0.0);
> end loop;
> Ada.Text_Io.Put_Line("bar");
> end Due;
> end select;
> end loop;
> end Un_Task;
>
> begin --corpo genitore
> Un_Task.Uno;
> Ada.Text_Io.Put_Line ("wait Horribly long calculation");
> select
> delay 5.0;
> Ada.Text_Io.Put_Line ("Horribly long calculation abandoned");
> then abort
> un_task.due;
> end select;
> end Semplice2;
> -----------------------------------------
>
> but don't work...
> how i can do the five second time out?
> thanks
As I see it, you have a calculation that may take a long time and you
want to abandon that calculation, if some time constraint is
reached. To do it the proper "Ada-way" you will need to use an other
technique, see:
http://www.adaic.com/standards/95aarm/html/AA-9-7-4.html
- Mark Lorenzen
next prev parent reply other threads:[~2005-06-22 19:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-22 18:08 task time-out&abort e.coli
2005-06-22 18:40 ` Dmitry A. Kazakov
2005-06-23 10:11 ` e.coli
2005-06-23 10:59 ` Dmitry A. Kazakov
2005-06-22 19:44 ` Mark Lorenzen [this message]
2005-06-23 1:44 ` Steve
2005-06-23 15:26 ` e.coli
2005-06-23 17:01 ` e.coli
2005-06-24 11:42 ` Marius Amado Alves
2005-06-28 21:31 ` Robert A Duff
2005-06-29 0:32 ` Marius Amado Alves
2005-06-29 20:52 ` Robert A Duff
2005-07-18 16:11 ` Robert I. Eachus
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