X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fthread.h;h=4d70bf2fbd038a9da98971c04c1bada7ba523743;hb=558b0c848cf4c0bf635cf99a6ce17ab9b434b601;hp=a639cf7ea051e143782fc206212256aa8b2e248a;hpb=6645115377bd9699ae6785608753d33067b8e036;p=stockfish

diff --git a/src/thread.h b/src/thread.h
index a639cf7e..4d70bf2f 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -32,6 +32,7 @@
 #include "pawns.h"
 #include "position.h"
 #include "search.h"
+#include "thread_win32.h"
 
 struct Thread;
 
@@ -39,34 +40,6 @@ const size_t MAX_THREADS = 128;
 const size_t MAX_SPLITPOINTS_PER_THREAD = 8;
 const size_t MAX_SLAVES_PER_SPLITPOINT = 4;
 
-#if !defined(NO_SPINLOCK)
-/// Spinlock class wraps low level atomic operations to provide a spin lock
-
-class Spinlock {
-
-  std::atomic_int lock;
-
-public:
-  Spinlock() { lock = 1; } // Init here to workaround a bug with MSVC 2013
-  void acquire() {
-    while (lock.fetch_sub(1, std::memory_order_acquire) != 1)
-        while (lock.load(std::memory_order_relaxed) <= 0) {}
-  }
-  void release() { lock.store(1, std::memory_order_release); }
-};
-
-#else
-
-class Spinlock {
-
-  std::mutex mutex;
-
-public:
-  void acquire() { mutex.lock(); }
-  void release() { mutex.unlock(); }
-};
-
-#endif
 
 /// SplitPoint struct stores information shared by the threads searching in
 /// parallel below the same split point. It is populated at splitting time.
@@ -87,7 +60,7 @@ struct SplitPoint {
   SplitPoint* parentSplitPoint;
 
   // Shared variable data
-  Spinlock spinlock;
+  Mutex mutex;
   std::bitset<MAX_THREADS> slavesMask;
   volatile bool allSlavesSearching;
   volatile uint64_t nodes;
@@ -110,8 +83,8 @@ struct ThreadBase {
   void wait_for(volatile const bool& b);
 
   std::thread nativeThread;
-  std::mutex mutex;
-  std::condition_variable sleepCondition;
+  Mutex mutex;
+  ConditionVariable sleepCondition;
   volatile bool exit = false;
 };
 
@@ -178,8 +151,7 @@ struct ThreadPool : public std::vector<Thread*> {
   void start_thinking(const Position&, const Search::LimitsType&, Search::StateStackPtr&);
 
   Depth minimumSplitDepth;
-  Spinlock spinlock;
-  std::condition_variable sleepCondition;
+  ConditionVariable sleepCondition;
   TimerThread* timer;
 };