runtime/observatory/tests/service/sigquit_starts_service_script.dart

// Copyright (c) 2021, 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.

Future<void> main() async {
  print('ready');
  while (true) {
    await Future.delayed(const Duration(seconds: 1));
  }
}