mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-18 09:56:40 +00:00
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/os/impl/os_internal_critical_section.hpp>
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namespace ams::os {
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class SdkConditionVariable;
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struct ThreadType;
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struct SdkMutexType {
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#if !defined(AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CAN_CHECK_LOCKED_BY_CURRENT_THREAD)
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os::ThreadType *owner_thread;
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#endif
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union {
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s32 _arr[sizeof(impl::InternalCriticalSectionStorage) / sizeof(s32)];
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impl::InternalCriticalSectionStorage _storage;
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impl::InternalCriticalSectionStorageTypeForConstantInitialize _storage_for_constant_initialize;
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};
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};
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static_assert(std::is_trivial<SdkMutexType>::value);
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void InitializeSdkMutex(SdkMutexType *mutex);
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void LockSdkMutex(SdkMutexType *mutex);
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bool TryLockSdkMutex(SdkMutexType *mutex);
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void UnlockSdkMutex(SdkMutexType *mutex);
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bool IsSdkMutexLockedByCurrentThread(const SdkMutexType *mutex);
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class SdkMutex {
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private:
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friend class SdkConditionVariable;
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private:
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SdkMutexType m_mutex;
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public:
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#if defined(AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CAN_CHECK_LOCKED_BY_CURRENT_THREAD)
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constexpr SdkMutex() : m_mutex{{AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CONSTANT_INITIALIZER}} { /* ... */ }
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#else
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constexpr SdkMutex() : m_mutex{nullptr, {AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CONSTANT_INITIALIZER}} { /* ... */ }
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#endif
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ALWAYS_INLINE void Lock() { return os::LockSdkMutex(std::addressof(m_mutex)); }
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ALWAYS_INLINE bool TryLock() { return os::TryLockSdkMutex(std::addressof(m_mutex)); }
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ALWAYS_INLINE void Unlock() { return os::UnlockSdkMutex(std::addressof(m_mutex)); }
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ALWAYS_INLINE bool IsLockedByCurrentThread() const { return os::IsSdkMutexLockedByCurrentThread(std::addressof(m_mutex)); }
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ALWAYS_INLINE void lock() { return this->Lock(); }
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ALWAYS_INLINE bool try_lock() { return this->TryLock(); }
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ALWAYS_INLINE void unlock() { return this->Unlock(); }
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};
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}
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