Method empty

3rdparty/libprocess/src/run_queue.hpp:101–106

NOTE: this function can't be const because `synchronized (mutex)` is not const ...

  // NOTE: this function can't be const because `synchronized (mutex)`
  // is not const ...
  bool empty()
  {
    synchronized (mutex) {
      return processes.empty();
    }
  }

  void decomission()
  {