Fix a race on Limits::ponder

[stockfish] / src / thread.cpp

diff --git a/src/thread.cpp b/src/thread.cpp
index b4e9f8aa0269f21cfab7eb77a07f980f98634856..0b851d6a6e0b5f0f48d5535aea3a06cd5c4d909d 100644 (file)
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -35,7 +35,7 @@ ThreadPool Threads; // Global object
 Thread::Thread() {
 
   exit = false;
-  maxPly = 0;
+  selDepth = 0;
   nodes = tbHits = 0;
   idx = Threads.size(); // Start from 0
 
@@ -187,7 +187,7 @@ void ThreadPool::start_thinking(Position& pos, StateListPtr& states,
 
   main()->wait_for_search_finished();
 
-  Search::Signals.stopOnPonderhit = Search::Signals.stop = false;
+  ponder = stopOnPonderhit = stop = false;
   Search::Limits = limits;
   Search::RootMoves rootMoves;
 
@@ -210,7 +210,6 @@ void ThreadPool::start_thinking(Position& pos, StateListPtr& states,
 
   for (Thread* th : Threads)
   {
-      th->maxPly = 0;
       th->nodes = 0;
       th->tbHits = 0;
       th->rootDepth = DEPTH_ZERO;