X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=e6d400942c3a3cf9102496f783d6a06473fe4b46;hp=13121ca1175756ee4965f4af25e29dc339f7396b;hb=3fc08f8ab60d98216ac62e1dad11c4bac95a0141;hpb=05cfb00f26ca075ac972e320aaeabefe20599aea diff --git a/src/thread.h b/src/thread.h index 13121ca1..e6d40094 100644 --- a/src/thread.h +++ b/src/thread.h @@ -37,8 +37,8 @@ struct SplitPoint { SplitPoint* parent; const Position* pos; Depth depth; - bool pvNode; Value beta; + int nodeType; int ply; int master; Move threatMove; @@ -65,29 +65,31 @@ struct SplitPoint { struct Thread { - enum ThreadState - { - INITIALIZING, // Thread is initializing itself - SEARCHING, // Thread is performing work - AVAILABLE, // Thread is waiting for work - BOOKED, // Other thread (master) has booked us as a slave - WORKISWAITING, // Master has ordered us to start - TERMINATED // We are quitting and thread is terminated - }; - void wake_up(); bool cutoff_occurred() const; bool is_available_to(int master) const; + void idle_loop(SplitPoint* sp); + void listener_loop(); + void timer_loop(); + SplitPoint splitPoints[MAX_ACTIVE_SPLIT_POINTS]; MaterialInfoTable materialTable; PawnInfoTable pawnTable; + int threadID; int maxPly; Lock sleepLock; WaitCondition sleepCond; - volatile ThreadState state; SplitPoint* volatile splitPoint; volatile int activeSplitPoints; - SplitPoint splitPoints[MAX_ACTIVE_SPLIT_POINTS]; + volatile bool is_searching; + volatile bool do_sleep; + volatile bool do_terminate; + +#if defined(_MSC_VER) + HANDLE handle; +#else + pthread_t handle; +#endif }; @@ -104,27 +106,35 @@ public: Thread& operator[](int threadID) { return threads[threadID]; } void init(); void exit(); - void init_hash_tables(); + bool use_sleeping_threads() const { return useSleepingThreads; } int min_split_depth() const { return minimumSplitDepth; } int size() const { return activeThreads; } - void set_size(int cnt) { activeThreads = cnt; } + void set_size(int cnt); void read_uci_options(); bool available_slave_exists(int master) const; - void idle_loop(int threadID, SplitPoint* sp); + bool split_point_finished(SplitPoint* sp) const; + + void getline(std::string& cmd); + void start_listener(); + void stop_listener(); + void set_timer(int msec); template - void split(Position& pos, SearchStack* ss, Value* alpha, const Value beta, Value* bestValue, - Depth depth, Move threatMove, int moveCount, MovePicker* mp, bool pvNode); + Value split(Position& pos, SearchStack* ss, Value alpha, Value beta, Value bestValue, + Depth depth, Move threatMove, int moveCount, MovePicker* mp, int nodeType); private: - Lock mpLock; + friend struct Thread; + + Thread threads[MAX_THREADS + 2]; // Last 2 are the listener and the timer + Lock threadsLock; Depth minimumSplitDepth; int maxThreadsPerSplitPoint; - bool useSleepingThreads; int activeThreads; - volatile bool allThreadsShouldExit; - Thread threads[MAX_THREADS]; + bool useSleepingThreads; + WaitCondition sleepCond; + std::string inputLine; }; extern ThreadsManager Threads;