X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=abb7a22333800f4aa2d648290640f71261e749ab;hp=459b1ddde9fe11daadd308bb5f717abfcc86dbd8;hb=00d9e9fd283b31e63389af091b158dbc3fedfc0e;hpb=3428a2875197c805c25fdd954ba3a24d00845a2a

diff --git a/src/thread.h b/src/thread.h
index 459b1ddd..abb7a223 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -44,15 +44,16 @@ const size_t MAX_THREADS = 128;
 
 struct ThreadBase : public std::thread {
 
+  ThreadBase() { exit = false; }
   virtual ~ThreadBase() = default;
   virtual void idle_loop() = 0;
   void notify_one();
-  void wait(volatile const bool& b);
-  void wait_while(volatile const bool& b);
+  void wait(std::atomic<bool>& b);
+  void wait_while(std::atomic<bool>& b);
 
   Mutex mutex;
   ConditionVariable sleepCondition;
-  volatile bool exit = false;
+  std::atomic<bool> exit;
 };
 
 
@@ -72,7 +73,7 @@ struct Thread : public ThreadBase {
   Endgames endgames;
   size_t idx, PVIdx;
   int maxPly;
-  volatile bool searching;
+  std::atomic<bool> searching;
 
   Position rootPos;
   Search::RootMoveVector rootMoves;
@@ -87,10 +88,11 @@ struct Thread : public ThreadBase {
 /// special threads: the main one and the recurring timer.
 
 struct MainThread : public Thread {
+  MainThread() { thinking = true; } // Avoid a race with start_thinking()
   virtual void idle_loop();
   void join();
   void think();
-  volatile bool thinking = true; // Avoid a race with start_thinking()
+  std::atomic<bool> thinking;
 };
 
 struct TimerThread : public ThreadBase {