- SplitPoint splitPoints[MAX_SPLITPOINTS_PER_THREAD];
- Pawns::Table pawnsTable;
- Material::Table materialTable;
- Endgames endgames;
- Position* activePosition;
- size_t idx;
- int maxPly;
- SplitPoint* volatile activeSplitPoint;
- volatile size_t splitPointsSize;
- volatile bool searching;
-};
-
-
-/// MainThread and TimerThread are derived classes used to characterize the two
-/// special threads: the main one and the recurring timer.
-
-struct MainThread : public Thread {
- virtual void idle_loop();
- volatile bool thinking = true; // Avoid a race with start_thinking()
-};
-
-struct TimerThread : public ThreadBase {
-
- static const int Resolution = 5; // Millisec between two check_time() calls
-
- virtual void idle_loop();
-
- bool run = false;
-};
-
-
-/// ThreadPool struct handles all the threads related stuff like init, starting,
-/// parking and, most importantly, launching a slave thread at a split point.
-/// All the access to shared thread data is done through this class.
-
-struct ThreadPool : public std::vector<Thread*> {
-
- void init(); // No c'tor and d'tor, threads rely on globals that should be
- void exit(); // initialized and are valid during the whole thread lifetime.
-
- MainThread* main() { return static_cast<MainThread*>(at(0)); }
- void read_uci_options();
- Thread* available_slave(const Thread* master) const;
- void wait_for_think_finished();
- void start_thinking(const Position&, const Search::LimitsType&, Search::StateStackPtr&);
-
- Depth minimumSplitDepth;
- std::mutex mutex;
- std::condition_variable sleepCondition;
- TimerThread* timer;