yuzu/src/common/spin_lock.h

27 lines
524 B
C++
Raw Normal View History

// 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 00:20:06 +02:00
/**
* 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.
*/
class SpinLock {
public:
void lock();
void unlock();
[[nodiscard]] bool try_lock();
private:
std::atomic_flag lck = ATOMIC_FLAG_INIT;
};
} // namespace Common