X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=46ce03aa318c07ea1d66a29a6439b886d4e496c0;hp=6ee07d34668d6bcada9cfdd34473a96135c1d6e2;hb=d58176bfead421088bb3543b3cb6d1c359a3c91b;hpb=5b35c149e833e365c2afb8039ca5c658abc53081 diff --git a/src/thread.h b/src/thread.h index 6ee07d34..46ce03aa 100644 --- a/src/thread.h +++ b/src/thread.h @@ -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; + 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 +106,34 @@ 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); + + void getline(std::string& cmd); + void start_listener(); + void stop_listener(); + void set_timer(int msec); template Value split(Position& pos, SearchStack* ss, Value alpha, Value beta, Value bestValue, Depth depth, Move threatMove, int moveCount, MovePicker* mp, int nodeType); private: - Thread threads[MAX_THREADS]; + friend struct Thread; + + Thread threads[MAX_THREADS + 2]; // Last 2 are the listener and the timer Lock threadsLock; Depth minimumSplitDepth; int maxThreadsPerSplitPoint; int activeThreads; bool useSleepingThreads; - volatile bool allThreadsShouldExit; + WaitCondition sleepCond; + std::string inputLine; }; extern ThreadsManager Threads;