Clock.h
1 /*
2  * Copyright (C) 2006-2008 Marc Boris Duerner
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 #ifndef PT_SYSTEM_CLOCK_H
30 #define PT_SYSTEM_CLOCK_H
31 
32 #include <Pt/System/Api.h>
33 #include <Pt/DateTime.h>
34 #include <Pt/Timespan.h>
35 #include <Pt/NonCopyable.h>
36 
37 namespace Pt {
38 
39 namespace System {
40 
46 class PT_SYSTEM_API Clock : private NonCopyable
47 {
48  public:
51  Clock();
52 
55  ~Clock();
56 
59  void start();
60 
65  Timespan stop();
66 
69  static DateTime getSystemTime();
70 
73  static DateTime getLocalTime();
74 
81  static Timespan getSystemTicks();
82 
83  private:
84  class ClockImpl *_impl;
85 };
86 
87 } // namespace Pt
88 
89 } // namespace System
90 
91 #endif // PT_SYSTEM_CLOCK_H
Measures time intervals.
Definition: Clock.h:46
Represents time spans in microsecond resolution.
Definition: Timespan.h:62
Protects derived classes from being copied.
Definition: NonCopyable.h:54
Combined Date and Time value.
Definition: DateTime.h:59