2020-02-04 18:23:12 +03:00
|
|
|
// Copyright 2020 yuzu Emulator Project
|
|
|
|
// Licensed under GPLv2 or any later version
|
|
|
|
// Refer to the license.txt file included.
|
|
|
|
|
|
|
|
#pragma once
|
|
|
|
|
|
|
|
#include <atomic>
|
|
|
|
|
|
|
|
namespace Common {
|
|
|
|
|
2020-06-28 01:20:06 +03:00
|
|
|
/**
|
|
|
|
* SpinLock class
|
|
|
|
* a lock similar to mutex that forces a thread to spin wait instead calling the
|
|
|
|
* supervisor. Should be used on short sequences of code.
|
|
|
|
*/
|
2020-02-04 18:23:12 +03:00
|
|
|
class SpinLock {
|
|
|
|
public:
|
|
|
|
void lock();
|
|
|
|
void unlock();
|
2020-02-05 22:48:20 +03:00
|
|
|
bool try_lock();
|
2020-02-04 18:23:12 +03:00
|
|
|
|
|
|
|
private:
|
|
|
|
std::atomic_flag lck = ATOMIC_FLAG_INIT;
|
|
|
|
};
|
|
|
|
|
|
|
|
} // namespace Common
|