X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=793a3c606797c573131fe5f59cbc4e6c915c4b6e;hp=9d04e5bddc92d183ec7dc64c6bce2e22233064b8;hb=588670e8d2ed5735300c5549ef754ceb09f1f461;hpb=c465f4c4df1a8ad3d5c1e3759c6aa27b777b8a77 diff --git a/src/thread.h b/src/thread.h index 9d04e5bd..793a3c60 100644 --- a/src/thread.h +++ b/src/thread.h @@ -56,7 +56,7 @@ private: WaitCondition c; }; -class Thread; +struct Thread; struct SplitPoint { @@ -91,9 +91,8 @@ struct SplitPoint { /// tables so that once we get a pointer to an entry its life time is unlimited /// and we don't have to care about someone changing the entry under our feet. -class Thread { +struct Thread { -public: Thread(); virtual ~Thread(); @@ -114,20 +113,24 @@ public: NativeHandle handle; SplitPoint* volatile curSplitPoint; volatile int splitPointsCnt; - volatile bool is_searching; - volatile bool do_exit; + volatile bool searching; + volatile bool exit; }; -struct TimerThread : public Thread { - TimerThread() : msec(0) {} + +/// MainThread and TimerThread are sublassed from Thread to charaterize the two +/// special threads: the main one and the recurring timer. + +struct MainThread : public Thread { + MainThread() : thinking(true) {} // Avoid a race with start_thinking() virtual void idle_loop(); - int msec; + volatile bool thinking; }; -struct MainThread : public Thread { - MainThread() : is_finished(false) {} // Avoid a race with start_searching() +struct TimerThread : public Thread { + TimerThread() : msec(0) {} virtual void idle_loop(); - volatile bool is_finished; + int msec; }; @@ -142,22 +145,25 @@ public: void exit(); // be initialized and valid during the whole thread lifetime. Thread& operator[](size_t id) { return *threads[id]; } - int min_split_depth() const { return minimumSplitDepth; } size_t size() const { return threads.size(); } MainThread* main_thread() { return static_cast(threads[0]); } TimerThread* timer_thread() { return timer; } void read_uci_options(); bool available_slave_exists(Thread* master) const; - void wait_for_search_finished(); - void start_searching(const Position&, const Search::LimitsType&, + void wait_for_think_finished(); + void start_thinking(const Position&, const Search::LimitsType&, const std::vector&, Search::StateStackPtr&); template Value split(Position& pos, Search::Stack* ss, Value alpha, Value beta, Value bestValue, Move* bestMove, Depth depth, Move threatMove, int moveCount, MovePicker& mp, int nodeType); + + bool sleepWhileIdle; + Depth minimumSplitDepth; + private: - friend class Thread; + friend struct Thread; friend struct MainThread; friend void check_time(); @@ -165,10 +171,7 @@ private: TimerThread* timer; Mutex mutex; ConditionVariable sleepCondition; - Depth minimumSplitDepth; int maxThreadsPerSplitPoint; -public: - bool sleepWhileIdle; }; extern ThreadPool Threads;