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  1. /*
  2.     Texel - A UCI chess engine.
  3.     Copyright (C) 2013  Peter Österlund, peterosterlund2@gmail.com
  4.  
  5.     This program is free software: you can redistribute it and/or modify
  6.     it under the terms of the GNU General Public License as published by
  7.     the Free Software Foundation, either version 3 of the License, or
  8.     (at your option) any later version.
  9.  
  10.     This program is distributed in the hope that it will be useful,
  11.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.     GNU General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU General Public License
  16.     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17. */
  18.  
  19. /*
  20.  * logger.hpp
  21.  *
  22.  *  Created on: Aug 6, 2013
  23.  *      Author: petero
  24.  */
  25.  
  26. #ifndef LOGGER_HPP_
  27. #define LOGGER_HPP_
  28.  
  29. #include "util.hpp"
  30. #include "timeUtil.hpp"
  31.  
  32. #include <sstream>
  33. #include <iostream>
  34. #include <iomanip>
  35. #include <mutex>
  36.  
  37.  
  38. namespace Logger {
  39.     /** Get mutex for log synchronization. */
  40.     std::mutex& getLogMutex();
  41.  
  42.  
  43.     /** Thread-safe logging to cout. */
  44.     template <typename Func> void log(Func func) {
  45.         std::stringstream ss;
  46.         {
  47.             std::stringstream t;
  48.             t.precision(6);
  49.             t << std::fixed << currentTime() << ' ';
  50.             ss << t.str();
  51.         }
  52.         func(ss);
  53.         std::lock_guard<std::mutex> L(getLogMutex());
  54.         std::cout << ss.str() << std::endl;
  55.     }
  56. };
  57.  
  58. #endif /* LOGGER_HPP_ */
  59.