28 lines
1,018 B
Dart
28 lines
1,018 B
Dart
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// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:isolate';
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import 'dart:math';
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Future<void> main(List<String> args, dynamic message) async {
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if (message == null) {
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// If there is no message, it means this instance was created by
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// run_benchmarks.dart. In that case, this is the parent instance that
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// spawns all the others.
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var sum = 0;
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for (var i = 0; i < 10; ++i) {
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final port = ReceivePort();
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final isolate =
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Isolate.spawnUri(Uri.file('many_isolates.dart'), [], port.sendPort);
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sum += await port.first as int;
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await isolate;
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}
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print('sum = $sum');
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} else {
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// If there is a message, it means this instance is one of the child
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// instances. The message is the port that this instance replies on.
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(message as SendPort).send(Random().nextInt(1000));
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}
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}
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