forked from suyu/suyu
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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// This file references various implementation details from Atmosphere, an open-source firmware for
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// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
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#pragma once
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#include <concepts>
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#include <type_traits>
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namespace Kernel {
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template <typename T>
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concept KLockable = !std::is_reference_v<T> && requires(T & t) {
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{ t.Lock() } -> std::same_as<void>;
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{ t.Unlock() } -> std::same_as<void>;
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};
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template <typename T>
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requires KLockable<T>
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class [[nodiscard]] KScopedLock {
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public:
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explicit KScopedLock(T* l) : lock_ptr(l) {
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this->lock_ptr->Lock();
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}
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explicit KScopedLock(T& l) : KScopedLock(std::addressof(l)) {}
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~KScopedLock() {
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this->lock_ptr->Unlock();
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}
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KScopedLock(const KScopedLock&) = delete;
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KScopedLock& operator=(const KScopedLock&) = delete;
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KScopedLock(KScopedLock&&) = delete;
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KScopedLock& operator=(KScopedLock&&) = delete;
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private:
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T* lock_ptr;
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};
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} // namespace Kernel
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