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// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
// This file references various implementation details from Atmosphere, an open-source firmware for
// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
#pragma once
#include "common/common_types.h"
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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