| -- Copyright 2009-2013 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; |