X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fuci.cpp;h=99bf1a13fa729c673e7883de3782522a6f7848c9;hp=36d359c6ff1c1228c2225cb8b0685facf537b2f8;hb=3804effb341b3008326a1613923177eb83d02826;hpb=cf5d683408a2ef8a1c80be9bf7d6790a38b16277

diff --git a/src/uci.cpp b/src/uci.cpp
index 36d359c6..99bf1a13 100644
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -164,7 +164,7 @@ namespace {
         }
         else if (token == "setoption")  setoption(is);
         else if (token == "position")   position(pos, is, states);
-        else if (token == "ucinewgame") Search::clear();
+        else if (token == "ucinewgame") { Search::clear(); elapsed = now(); } // Search::clear() may take some while
     }
 
     elapsed = now() - elapsed + 1; // Ensure positivity to avoid a 'divide by zero'
@@ -191,9 +191,8 @@ void UCI::loop(int argc, char* argv[]) {
   Position pos;
   string token, cmd;
   StateListPtr states(new std::deque<StateInfo>(1));
-  auto uiThread = std::make_shared<Thread>(0);
 
-  pos.set(StartFEN, false, &states->back(), uiThread.get());
+  pos.set(StartFEN, false, &states->back(), Threads.main());
 
   for (int i = 1; i < argc; ++i)
       cmd += std::string(argv[i]) + " ";
@@ -207,18 +206,16 @@ void UCI::loop(int argc, char* argv[]) {
       token.clear(); // Avoid a stale if getline() returns empty or blank line
       is >> skipws >> token;
 
-      // The GUI sends 'ponderhit' to tell us the user has played the expected move.
-      // So 'ponderhit' will be sent if we were told to ponder on the same move the
-      // user has played. We should continue searching but switch from pondering to
-      // normal search. In case Threads.stopOnPonderhit is set we are waiting for
-      // 'ponderhit' to stop the search, for instance if max search depth is reached.
       if (    token == "quit"
-          ||  token == "stop"
-          || (token == "ponderhit" && Threads.stopOnPonderhit))
+          ||  token == "stop")
           Threads.stop = true;
 
+      // The GUI sends 'ponderhit' to tell us the user has played the expected move.
+      // So 'ponderhit' will be sent if we were told to ponder on the same move the
+      // user has played. We should continue searching but switch from pondering to
+      // normal search.
       else if (token == "ponderhit")
-          Threads.ponder = false; // Switch to normal search
+          Threads.main()->ponder = false; // Switch to normal search
 
       else if (token == "uci")
           sync_cout << "id name " << engine_info(true)
@@ -231,7 +228,8 @@ void UCI::loop(int argc, char* argv[]) {
       else if (token == "ucinewgame") Search::clear();
       else if (token == "isready")    sync_cout << "readyok" << sync_endl;
 
-      // Additional custom non-UCI commands, mainly for debugging
+      // Additional custom non-UCI commands, mainly for debugging.
+      // Do not use these commands during a search!
       else if (token == "flip")  pos.flip();
       else if (token == "bench") bench(pos, is, states);
       else if (token == "d")     sync_cout << pos << sync_endl;