public:

InternalThread() : thread_() {}

virtual ~InternalThread();

/**

void StartInternalThread();

/** Will not return until the internal thread has exited. */

void StopInternalThread();

bool is_started() const;

protected:

/* Implement this method in your subclass

virtual void InternalThreadEntry() {}

/* Should be tested when running loops to exit when requested. */

bool must_stop();

private:

void entry(int device, Caffe::Brew mode, int rand_seed,

int solver_count, int solver_rank, bool multiprocess);

shared_ptr<boost::thread> thread_;