Mir
clock.h
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1 /*
2  * Copyright © 2012-2014 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Thomas Voss <thomas.voss@canonical.com>
17  * Alexandros Frantzis <alexandros.frantzis@canonical.com>
18  */
19 
20 #ifndef MIR_TIME_CLOCK_H_
21 #define MIR_TIME_CLOCK_H_
22 
23 #include "mir/time/types.h"
24 
25 namespace mir
26 {
27 namespace time
28 {
29 
30 class Clock
31 {
32 public:
33  virtual ~Clock() = default;
34 
38  virtual Timestamp now() const = 0;
39 
48  virtual Duration min_wait_until(Timestamp t) const = 0;
49 
50 protected:
51  Clock() = default;
52  Clock(Clock const&) = delete;
53  Clock& operator=(Clock const&) = delete;
54 };
55 
56 }
57 }
58 
59 #endif // MIR_TIME_CLOCK_H_
All things Mir.
Definition: atomic_callback.h:25
virtual ~Clock()=default
virtual Duration min_wait_until(Timestamp t) const =0
The minimum amount of real time we would have to wait for this clock to reach or surpass the specifie...
Clock & operator=(Clock const &)=delete
std::chrono::steady_clock::time_point Timestamp
Definition: types.h:29
virtual Timestamp now() const =0
The current time according to this clock.
std::chrono::steady_clock::duration Duration
Definition: types.h:30
Definition: clock.h:30

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