Fix regression: engine hangs while pondering

[stockfish] / src / thread.h

diff --git a/src/thread.h b/src/thread.h
index 124815b4215d368125dbc38a2d4a50cf2d4a3fc8..e6d400942c3a3cf9102496f783d6a06473fe4b46 100644 (file)
--- a/src/thread.h
+++ b/src/thread.h
@@ -70,6 +70,7 @@ struct Thread {
   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;
@@ -113,11 +114,12 @@ 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 getline(std::string& cmd);
-  void do_uci_async_cmd(const std::string& cmd);
   void start_listener();
   void stop_listener();
+  void set_timer(int msec);
 
   template <bool Fake>
   Value split(Position& pos, SearchStack* ss, Value alpha, Value beta, Value bestValue,
@@ -125,7 +127,7 @@ public:
 private:
   friend struct Thread;
 
-  Thread threads[MAX_THREADS + 1];
+  Thread threads[MAX_THREADS + 2]; // Last 2 are the listener and the timer
   Lock threadsLock;
   Depth minimumSplitDepth;
   int maxThreadsPerSplitPoint;