68 lines
2.1 KiB
Ada
68 lines
2.1 KiB
Ada
-- Copyright 2009-2012 Free Software Foundation, Inc.
|
|
--
|
|
-- This program is free software; you can redistribute it and/or modify
|
|
-- it under the terms of the GNU General Public License as published by
|
|
-- the Free Software Foundation; either version 3 of the License, or
|
|
-- (at your option) any later version.
|
|
--
|
|
-- This program is distributed in the hope that it will be useful,
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
-- GNU General Public License for more details.
|
|
--
|
|
-- You should have received a copy of the GNU General Public License
|
|
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
procedure Foo is
|
|
|
|
task type Caller is
|
|
entry Initialize;
|
|
entry Call_Break_Me;
|
|
entry Finalize;
|
|
end Caller;
|
|
type Caller_Ptr is access Caller;
|
|
|
|
procedure Break_Me is
|
|
begin
|
|
null;
|
|
end Break_Me;
|
|
|
|
task body Caller is
|
|
begin
|
|
accept Initialize do
|
|
null;
|
|
end Initialize;
|
|
accept Call_Break_Me do
|
|
Break_Me;
|
|
end Call_Break_Me;
|
|
accept Finalize do
|
|
null;
|
|
end Finalize;
|
|
end Caller;
|
|
|
|
Task_List : array (1 .. 3) of Caller_Ptr;
|
|
|
|
begin
|
|
|
|
-- Start all our tasks, and call the "Initialize" entry to make
|
|
-- sure all of them have now been started. We call that entry
|
|
-- immediately after having created the task in order to make sure
|
|
-- that we wait for that task to be created before we try to create
|
|
-- another one. That way, we know that the order in our Task_List
|
|
-- corresponds to the order in the GNAT runtime.
|
|
for J in Task_List'Range loop
|
|
Task_List (J) := new Caller;
|
|
Task_List (J).Initialize;
|
|
end loop;
|
|
|
|
-- Next, call their Call_Break_Me entry of each task, using the same
|
|
-- order as the order used to create them.
|
|
for J in Task_List'Range loop -- STOP_HERE
|
|
Task_List (J).Call_Break_Me;
|
|
end loop;
|
|
|
|
-- And finally, let all the tasks die...
|
|
for J in Task_List'Range loop
|
|
Task_List (J).Finalize;
|
|
end loop;
|
|
end Foo;
|