mirror of
https://github.com/yuzu-mirror/yuzu.git
synced 2024-11-12 21:59:58 +00:00
35 lines
725 B
C++
35 lines
725 B
C++
// 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 {
|
|
|
|
/**
|
|
* 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:
|
|
SpinLock() = default;
|
|
|
|
SpinLock(const SpinLock&) = delete;
|
|
SpinLock& operator=(const SpinLock&) = delete;
|
|
|
|
SpinLock(SpinLock&&) = delete;
|
|
SpinLock& operator=(SpinLock&&) = delete;
|
|
|
|
void lock();
|
|
void unlock();
|
|
[[nodiscard]] bool try_lock();
|
|
|
|
private:
|
|
std::atomic_flag lck = ATOMIC_FLAG_INIT;
|
|
};
|
|
|
|
} // namespace Common
|