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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <concepts>
#include <memory>
#include <type_traits>
namespace Kernel {
template <typename T>
concept KLockable = !
std::is_reference_v<T>&& requires(T& t) {
{ t.Lock() } -> std::same_as<void>;
{ t.Unlock() } -> std::same_as<void>;
};
template <typename T>
requires KLockable<T>
class [[nodiscard]] KScopedLock {
public:
explicit KScopedLock(T* l) : lock_ptr(l) {
this->lock_ptr->Lock();
}
explicit KScopedLock(T& l) : KScopedLock(std::addressof(l)) {}
~KScopedLock() {
this->lock_ptr->Unlock();
}
KScopedLock(const KScopedLock&) = delete;
KScopedLock& operator=(const KScopedLock&) = delete;
KScopedLock(KScopedLock&&) = delete;
KScopedLock& operator=(KScopedLock&&) = delete;
private:
T* lock_ptr;
};
} // namespace Kernel
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