X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=afae57c3a9b02e7b265584e1cc56e65cc82704f1;hp=0567f5e24828f3edcfa9c63677b9e0ca3da02794;hb=dcd8ce70941e9b8d5180eb43865bb9819e424c19;hpb=76ed0ab5015f41715453a7efcedd57a7a5c962da diff --git a/src/thread.h b/src/thread.h index 0567f5e2..afae57c3 100644 --- a/src/thread.h +++ b/src/thread.h @@ -2,6 +2,7 @@ Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -40,20 +41,22 @@ /// entry its life time is unlimited and we don't have to care about someone /// changing the entry under our feet. -struct Thread : public std::thread { +class Thread { + std::thread nativeThread; + Mutex mutex; + ConditionVariable sleepCondition; + bool exit, searching; + +public: Thread(); virtual ~Thread(); virtual void search(); void idle_loop(); - void join(); - void notify_one(); + void start_searching(bool resume = false); + void wait_for_search_finished(); void wait(std::atomic_bool& b); - std::atomic_bool exit, searching, resetCalls; - Mutex mutex; - ConditionVariable sleepCondition; - Pawns::Table pawnsTable; Material::Table materialTable; Endgames endgames; @@ -66,19 +69,24 @@ struct Thread : public std::thread { HistoryStats history; MovesStats counterMoves; Depth completedDepth; + std::atomic_bool resetCalls; }; -/// MainThread is a derived classes used to characterize the the main one +/// MainThread is a derived class with a specific overload for the main thread struct MainThread : public Thread { virtual void search(); + + bool easyMovePlayed, failedLow; + double bestMoveChanges; + Value previousMoveScore; }; /// ThreadPool struct handles all the threads related stuff like init, starting, -/// parking and, most importantly, launching a thread. -/// All the access to shared thread data is done through this class. +/// parking and, most importantly, launching a thread. All the access to threads +/// data is done through this class. struct ThreadPool : public std::vector { @@ -86,8 +94,8 @@ struct ThreadPool : public std::vector { void exit(); // be initialized and valid during the whole thread lifetime. MainThread* main() { return static_cast(at(0)); } - void read_uci_options(); void start_thinking(const Position&, const Search::LimitsType&, Search::StateStackPtr&); + void read_uci_options(); int64_t nodes_searched(); };