// We need to wait for the runner to exit.  It used to be that the runner would get stuck in the
    // busy loop when interrupt threw.
    runner.join(TimeUnit.SECONDS.toMillis(10));
  }

  static final class BrokenChannel extends AbstractInterruptibleChannel {
    @Override
    protected void implCloseChannel() {

    // We need to wait for the runner to exit.  It used to be that the runner would get stuck in the
    // busy loop when interrupt threw.
    runner.join(TimeUnit.SECONDS.toMillis(10));
  }

  static final class BrokenChannel extends AbstractInterruptibleChannel {
    @Override
    protected void implCloseChannel() {