X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=df42c5aa756d0ff11ceb9cc34e720c5827d2ae8e;hp=3a2d8538b0a84d73ba50b5caf7bc42a138ab00ba;hb=ffa75215cc06d105bc2b43ddb8ed5d4deccd8988;hpb=ba85c59d96d962dddaa0f1a2608ebea2e8ae694b diff --git a/src/thread.h b/src/thread.h index 3a2d8538..df42c5aa 100644 --- a/src/thread.h +++ b/src/thread.h @@ -27,6 +27,7 @@ #include "movepick.h" #include "pawns.h" #include "position.h" +#include "search.h" const int MAX_THREADS = 32; const int MAX_ACTIVE_SPLIT_POINTS = 8; @@ -65,19 +66,12 @@ struct SplitPoint { struct Thread { - enum ThreadState - { - INITIALIZING, // Thread is initializing itself - SEARCHING, // Thread is performing work - AVAILABLE, // Thread is waiting for work - WORKISWAITING, // Master has ordered us to start searching - 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 main_loop(); + void timer_loop(); SplitPoint splitPoints[MAX_ACTIVE_SPLIT_POINTS]; MaterialInfoTable materialTable; @@ -86,11 +80,17 @@ struct Thread { 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 }; @@ -107,7 +107,6 @@ 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; } @@ -116,17 +115,25 @@ public: void set_size(int cnt); void read_uci_options(); bool available_slave_exists(int master) const; + bool split_point_finished(SplitPoint* sp) const; + + void start_thinking(bool asyncMode = true); + void set_timer(int msec); + void wait_for_stop_or_ponderhit(); 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; + WaitCondition sleepCond; }; extern ThreadsManager Threads;