| // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| library timer_multiple_isolates_test; |
| |
| import 'dart:isolate'; |
| import 'dart:async'; |
| |
| child(msg) { |
| var i = msg[0]; |
| var responsePort = msg[1]; |
| print("Starting child $i"); |
| |
| // Keep this isolate running to prevent its shutdown from touching the event |
| // handler. |
| new RawReceivePort(); |
| |
| // Try to get separate wakeups for each isolate. |
| new Timer(new Duration(milliseconds: 100 * (i + 1)), () { |
| print("Timer fired $i"); |
| responsePort.send(null); |
| }); |
| } |
| |
| main() { |
| var port; |
| var replies = 0; |
| var n = 3; |
| port = new RawReceivePort((reply) { |
| replies++; |
| print("Got reply $replies"); |
| if (replies == n) { |
| print("Done"); |
| port.close(); |
| } |
| }); |
| |
| for (var i = 0; i < n; i++) { |
| Isolate.spawn(child, [i, port.sendPort]); |
| } |
| } |