IoServiceScheduler.Run.cs

    public virtual int Run()
    {
      checkIfDisposed();
      return runTasks(withWorkCancelToken());
    }
    
    
    private CancellationToken withWorkCancelToken()
    {
      lock (m_workLockObject)
      {
        return (existsWork()
          ? m_workCancelTokenSource.Token
          : withoutCancelToken());
      }
    }
    
    private CancellationToken withoutCancelToken()
    {
      return CancellationToken.None;
    }