68 lines
2.1 KiB
Ada
68 lines
2.1 KiB
Ada
-- Copyright 2009-2014 Free Software Foundation, Inc.
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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procedure Foo is
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task type Caller is
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entry Initialize;
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entry Call_Break_Me;
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entry Finalize;
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end Caller;
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type Caller_Ptr is access Caller;
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procedure Break_Me is
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begin
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null;
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end Break_Me;
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task body Caller is
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begin
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accept Initialize do
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null;
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end Initialize;
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accept Call_Break_Me do
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Break_Me;
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end Call_Break_Me;
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accept Finalize do
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null;
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end Finalize;
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end Caller;
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Task_List : array (1 .. 3) of Caller_Ptr;
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begin
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-- Start all our tasks, and call the "Initialize" entry to make
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-- sure all of them have now been started. We call that entry
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-- immediately after having created the task in order to make sure
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-- that we wait for that task to be created before we try to create
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-- another one. That way, we know that the order in our Task_List
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-- corresponds to the order in the GNAT runtime.
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for J in Task_List'Range loop
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Task_List (J) := new Caller;
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Task_List (J).Initialize;
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end loop;
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-- Next, call their Call_Break_Me entry of each task, using the same
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-- order as the order used to create them.
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for J in Task_List'Range loop -- STOP_HERE
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Task_List (J).Call_Break_Me;
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end loop;
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-- And finally, let all the tasks die...
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for J in Task_List'Range loop
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Task_List (J).Finalize;
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end loop;
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end Foo;
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