Add (smart) logging facility

[stockfish] / src / misc.h

diff --git a/src/misc.h b/src/misc.h
index 0569e46826373ccafa96f8cdf64cab9053ffcfcb..ecec391ba72ac3d54d7fe0b40277b5bd376d8202 100644 (file)
--- a/src/misc.h
+++ b/src/misc.h
@@ -27,7 +27,6 @@
 #include "types.h"
 
 extern const std::string engine_info(bool to_uci = false);
-extern int system_time();
 extern int cpu_count();
 extern void timed_wait(WaitCondition&, Lock&, int);
 extern void prefetch(char* addr);
@@ -42,9 +41,25 @@ extern Move move_from_uci(const Position& pos, const std::string& str);
 extern const std::string move_to_uci(Move m, bool chess960);
 extern const std::string move_to_san(Position& pos, Move m);
 
+
 struct Log : public std::ofstream {
   Log(const std::string& f = "log.txt") : std::ofstream(f.c_str(), std::ios::out | std::ios::app) {}
  ~Log() { if (is_open()) close(); }
 };
 
+
+class Time {
+public:
+  void restart() { system_time(&t); }
+  uint64_t msec() const { return time_to_msec(t); }
+  int elapsed() const { return int(current_time().msec() - time_to_msec(t)); }
+
+  static Time current_time() { Time t; t.restart(); return t; }
+
+private:
+  sys_time_t t;
+};
+
+extern void logger_set(bool b);
+
 #endif // !defined(MISC_H_INCLUDED)