Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
44 lines
1.3 KiB
Dart
44 lines
1.3 KiB
Dart
// Copyright (c) 2012, 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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// @dart = 2.9
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// VMOptions=--enable-isolate-groups --experimental-enable-isolate-groups-jit
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// VMOptions=--no-enable-isolate-groups
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// Example of spawning an isolate from a function.
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library spawn_tests;
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import 'dart:isolate';
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import 'package:async_helper/async_helper.dart';
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import 'package:expect/expect.dart';
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isolateEntryPoint(args) {
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var msg = args[0];
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var sendPort = args[1];
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sendPort.send('re: $msg');
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}
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Future<void> main([args, port]) async {
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// message - reply chain
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const String debugName = 'spawnedIsolate';
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ReceivePort port = new ReceivePort();
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asyncStart();
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port.listen((msg) {
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port.close();
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Expect.equals(msg, 're: hi');
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asyncEnd();
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});
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// Start new isolate; paused so it's alive till we read the debugName.
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// If the isolate runs to completion, the isolate might get cleaned up
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// and debugName might be null.
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final isolate = await Isolate.spawn(isolateEntryPoint, ['hi', port.sendPort],
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paused: true, debugName: debugName);
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Expect.equals(isolate.debugName, debugName);
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isolate.resume(isolate.pauseCapability);
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}
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