X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=574c596481a81388f5ec61632166dc8d6b15a0bc;hp=100620313fcebc7e7f5f6161fe15b600b0a9929e;hb=e5ffe9959c40a5ec6c4bca83a5a48070cae7fa5b;hpb=d15217b953af28669dd3e5b46303b3ca882f353e diff --git a/src/thread.h b/src/thread.h index 10062031..574c5964 100644 --- a/src/thread.h +++ b/src/thread.h @@ -38,7 +38,7 @@ struct SplitPoint { const Position* pos; Depth depth; Value beta; - int pvNode; + int nodeType; int ply; int master; Move threatMove; @@ -67,27 +67,34 @@ 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 + WORKISWAITING, // Master has ordered us to start searching + SEARCHING // Thread is performing work }; void wake_up(); bool cutoff_occurred() const; bool is_available_to(int master) const; + void idle_loop(SplitPoint* sp); 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 do_sleep; + volatile bool do_terminate; + +#if defined(_MSC_VER) + HANDLE handle; +#else + pthread_t handle; +#endif }; @@ -104,27 +111,25 @@ 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); 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: Thread threads[MAX_THREADS]; - Lock mpLock; + Lock threadsLock; Depth minimumSplitDepth; int maxThreadsPerSplitPoint; int activeThreads; bool useSleepingThreads; - volatile bool allThreadsShouldExit; }; extern ThreadsManager Threads;