X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.cpp;h=17644eed89545d88071b18e6795bb895f7df35dc;hp=8d3b202d14df71a21dd42b07005fe709e0bba2f4;hb=28dcd700a9dd3c776b66b2032cf0cf6df88b671d;hpb=4e72e2a964754611de85536c13ae069f85839b85

diff --git a/src/misc.cpp b/src/misc.cpp
index 8d3b202d..17644eed 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -145,7 +145,7 @@ const string engine_info(bool to_uci) {
 
 
 /// Debug functions used mainly to collect run-time statistics
-static int64_t hits[2], means[2];
+static std::atomic<int64_t> hits[2], means[2];
 
 void dbg_hit_on(bool b) { ++hits[0]; if (b) ++hits[1]; }
 void dbg_hit_on(bool c, bool b) { if (c) dbg_hit_on(b); }
@@ -168,7 +168,7 @@ void dbg_print() {
 
 std::ostream& operator<<(std::ostream& os, SyncCout sc) {
 
-  static Mutex m;
+  static std::mutex m;
 
   if (sc == IO_LOCK)
       m.lock();