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[binutils.git] / gold / timer.h
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1 // timer.h -- helper class for time accounting -*- C++ -*-
3 // Copyright 2009 Free Software Foundation, Inc.
4 // Written by Rafael Avila de Espindola <espindola@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
23 #ifndef GOLD_TIMER_H
24 #define GOLD_TIMER_H
26 namespace gold
29 class Timer
31 public:
32 // Used to report time statistics. All fields are in milliseconds.
33 struct TimeStats
35 /* User time in this process. */
36 long user;
38 /* System time in this process. */
39 long sys;
41 /* Wall clock time. */
42 long wall;
45 Timer();
47 // Return the stats since start was called.
48 TimeStats
49 get_elapsed_time();
51 // Start couting the time.
52 void
53 start();
55 private:
56 // This class cannot be copied.
57 Timer(const Timer&);
58 Timer& operator=(const Timer&);
60 // Write the current time infortamion.
61 static void
62 get_time(TimeStats *now);
64 // The time of the last call to start.
65 TimeStats start_time_;
69 #endif