/* * Copyright (c) Atmosphère-NX * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #pragma once #include <mesosphere/kern_common.hpp> namespace ams::kern { template<typename T> concept KLockable = !std::is_reference<T>::value && requires (T &t) { { t.Lock() } -> std::same_as<void>; { t.Unlock() } -> std::same_as<void>; }; template<typename T> requires KLockable<T> class KScopedLock { NON_COPYABLE(KScopedLock); NON_MOVEABLE(KScopedLock); private: T &m_lock; public: explicit ALWAYS_INLINE KScopedLock(T &l) : m_lock(l) { m_lock.Lock(); } explicit ALWAYS_INLINE KScopedLock(T *l) : KScopedLock(*l) { /* ... */ } ALWAYS_INLINE ~KScopedLock() { m_lock.Unlock(); } }; }