const int MAX_THREADS = 32;
const int MAX_SPLITPOINTS_PER_THREAD = 8;
+class Thread;
+
struct SplitPoint {
// Const data after split point has been setup
Depth depth;
Value beta;
int nodeType;
- int master;
+ Thread* master;
Move threatMove;
// Const pointers to shared data
void wake_up();
bool cutoff_occurred() const;
- bool is_available_to(int master) const;
+ bool is_available_to(Thread* master) const;
void idle_loop(SplitPoint* sp_master);
void idle_loop() { idle_loop(NULL); } // Hack to allow storing in start_fn
void main_loop();
SplitPoint splitPoints[MAX_SPLITPOINTS_PER_THREAD];
MaterialTable materialTable;
PawnTable pawnTable;
- int threadID;
+ int idx;
int maxPly;
Lock sleepLock;
WaitCondition sleepCond;
};
-/// ThreadsManager class handles all the threads related stuff like init, starting,
+/// ThreadPool class handles all the threads related stuff like init, starting,
/// parking and, the most important, launching a slave thread at a split point.
/// All the access to shared thread data is done through this class.
-class ThreadsManager {
- /* As long as the single ThreadsManager object is defined as a global we don't
+class ThreadPool {
+ /* As long as the single ThreadPool object is defined as a global we don't
need to explicitly initialize to zero its data members because variables with
static storage duration are automatically set to zero before enter main()
*/
public:
- void init(); // No c'tor becuase Threads is static and we need engine initialized
- ~ThreadsManager();
+ void init(); // No c'tor becuase Threads is global and we need engine initialized
+ ~ThreadPool();
Thread& operator[](int id) { return *threads[id]; }
bool use_sleeping_threads() const { return useSleepingThreads; }
int min_split_depth() const { return minimumSplitDepth; }
int size() const { return (int)threads.size(); }
+ Thread* main_thread() { return threads[0]; }
void wake_up() const;
void sleep() const;
void read_uci_options();
- bool available_slave_exists(int master) const;
+ bool available_slave_exists(Thread* master) const;
void set_timer(int msec);
void wait_for_search_finished();
void start_searching(const Position& pos, const Search::LimitsType& limits,
bool useSleepingThreads;
};
-extern ThreadsManager Threads;
+extern ThreadPool Threads;
#endif // !defined(THREAD_H_INCLUDED)