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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#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
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