Search::LimitsType limits;
string token;
+ bool ponderMode = false;
limits.startTime = now(); // As early as possible!
else if (token == "movetime") is >> limits.movetime;
else if (token == "mate") is >> limits.mate;
else if (token == "infinite") limits.infinite = 1;
- else if (token == "ponder") Threads.ponder = true;
+ else if (token == "ponder") ponderMode = true;
- Threads.start_thinking(pos, States, limits);
+ Threads.start_thinking(pos, States, limits, ponderMode);
}
} // namespace
token.clear(); // getline() could return empty or blank line
is >> skipws >> token;
- // The GUI sends 'ponderhit' to tell us to ponder on the same move the
- // opponent has played. In case Threads.stopOnPonderhit is set we are
- // waiting for 'ponderhit' to stop the search (for instance because we
- // already ran out of time), otherwise we should continue searching but
- // switching from pondering to normal search.
+ // 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))
- {
Threads.stop = true;
- Threads.main()->start_searching(true); // Could be sleeping
- }
+
else if (token == "ponderhit")
Threads.ponder = false; // Switch to normal search