blob: a43713e1f201e91cd07edc68f97af0f02444f592 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
#pragma once
#include <atomic>
namespace base
{
// This is a helper thread-safe class which can be mixed in
// classes which represent some cancellable activities.
class Cancellable
{
public:
Cancellable() : m_cancelled(false) {}
virtual ~Cancellable() {}
// Marks current activity as not cancelled.
virtual void Reset() { m_cancelled = false; }
// Marks current activity as cancelled.
virtual void Cancel() { m_cancelled = true; }
// Returns true iff current activity has been cancelled.
virtual bool IsCancelled() const { return m_cancelled; }
private:
std::atomic<bool> m_cancelled;
};
} // namespace base
|
