// timer.h -- helper class for time accounting -*- C++ -*- // Copyright 2009 Free Software Foundation, Inc. // Written by Rafael Avila de Espindola <espindola@google.com>. // This file is part of gold. // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, // MA 02110-1301, USA. #ifndef GOLD_TIMER_H #define GOLD_TIMER_H namespace gold { class Timer { public: // Used to report time statistics. All fields are in milliseconds. struct TimeStats { /* User time in this process. */ long user; /* System time in this process. */ long sys; /* Wall clock time. */ long wall; }; Timer(); // Return the stats since start was called. TimeStats get_elapsed_time(); // Start couting the time. void start(); private: // This class cannot be copied. Timer(const Timer&); Timer& operator=(const Timer&); // Write the current time infortamion. static void get_time(TimeStats *now); // The time of the last call to start. TimeStats start_time_; }; } #endif