Method StopPrefetchThread

dali/operators/reader/reader_op.h:167–175

to be called in destructor

  // to be called in destructor
  void StopPrefetchThread() {
    ProducerStop();
    if (prefetch_thread_.joinable()) {
      producer_.notify_one();
      // join the prefetch thread and destroy it
      prefetch_thread_.join();
      prefetch_thread_ = {};
    }
  }

  bool HasContiguousOutputs() const override {
    return false;