Initial import of Glaurung 2.1

src/thread.h

@@ -0,0 +1,78 @@
+/*
+  Glaurung, a UCI chess playing engine.
+  Copyright (C) 2004-2008 Tord Romstad
+
+  Glaurung is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+  
+  Glaurung is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+  
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#if !defined(THREAD_H_INCLUDED)
+#define THREAD_H_INCLUDED
+
+
+////
+//// Includes
+////
+
+#include "lock.h"
+#include "movepick.h"
+#include "position.h"
+#include "search.h"
+
+
+////
+//// Constants and variables
+////
+
+const int THREAD_MAX = 8;
+
+
+////
+//// Types
+////
+
+struct SplitPoint {
+  SplitPoint *parent;
+  Position pos;
+  SearchStack sstack[THREAD_MAX][PLY_MAX];
+  SearchStack *parentSstack;
+  int ply;
+  Depth depth;
+  volatile Value alpha, beta, bestValue;
+  bool pvNode;
+  Bitboard dcCandidates;
+  int master, slaves[THREAD_MAX];
+  Lock lock;
+  MovePicker *mp;
+  volatile int moves;
+  volatile int cpus;
+  bool finished;
+};
+
+
+struct Thread {
+  SplitPoint *splitPoint;
+  int activeSplitPoints;
+  uint64_t nodes;
+  bool failHighPly1;
+  volatile bool stop;
+  volatile bool running;
+  volatile bool idle;
+  volatile bool workIsWaiting;
+  volatile bool printCurrentLine;
+  unsigned char pad[64];
+};
+
+
+#endif // !defined(THREAD_H_INCLUDED)