]> git.sesse.net Git - stockfish/blobdiff - src/thread.h
Fix some comments in early stop detection
[stockfish] / src / thread.h
index d0eb1b4fe2d6982ed96ed0a8f778591c945b7d38..b476d529f4d3a1455e662958a8190a6094178870 100644 (file)
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
 #if !defined(THREAD_H_INCLUDED)
 #define THREAD_H_INCLUDED
 
-
-////
-//// Includes
-////
-
 #include <cstring>
 
 #include "lock.h"
 #include "position.h"
 #include "search.h"
 
-
-////
-//// Constants and variables
-////
-
-const int MAX_THREADS = 16;
+const int MAX_THREADS = 32;
 const int MAX_ACTIVE_SPLIT_POINTS = 8;
 
-
-////
-//// Types
-////
-
 struct SplitPoint {
 
   // Const data after splitPoint has been setup
   SplitPoint* parent;
   const Position* pos;
   Depth depth;
-  bool pvNode, mateThreat;
+  bool pvNode;
   Value beta;
   int ply;
   int master;
@@ -60,7 +44,7 @@ struct SplitPoint {
 
   // Const pointers to shared data
   MovePicker* mp;
-  SearchStack* parentSstack;
+  SearchStack* ss;
 
   // Shared data
   Lock lock;
@@ -73,7 +57,6 @@ struct SplitPoint {
 };
 
 // ThreadState type is used to represent thread's current state
-
 enum ThreadState
 {
   THREAD_INITIALIZING,  // thread is initializing itself
@@ -85,11 +68,19 @@ enum ThreadState
 };
 
 struct Thread {
+  int maxPly;
+  Lock sleepLock;
+  WaitCondition sleepCond;
   volatile ThreadState state;
   SplitPoint* volatile splitPoint;
   volatile int activeSplitPoints;
   SplitPoint splitPoints[MAX_ACTIVE_SPLIT_POINTS];
-};
 
+  void wake_up() {
+    lock_grab(&sleepLock);
+    cond_signal(&sleepCond);
+    lock_release(&sleepLock);
+  }
+};
 
 #endif // !defined(THREAD_H_INCLUDED)