mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-13 00:26:35 +00:00
69 lines
2.9 KiB
C++
69 lines
2.9 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 SdkRecursiveMutexType {
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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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u32 recursive_count;
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};
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static_assert(std::is_trivial<SdkRecursiveMutexType>::value);
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void InitializeSdkRecursiveMutex(SdkRecursiveMutexType *rmutex);
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void LockSdkRecursiveMutex(SdkRecursiveMutexType *rmutex);
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bool TryLockSdkRecursiveMutex(SdkRecursiveMutexType *rmutex);
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void UnlockSdkRecursiveMutex(SdkRecursiveMutexType *rmutex);
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bool IsSdkRecursiveMutexLockedByCurrentThread(const SdkRecursiveMutexType *rmutex);
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class SdkRecursiveMutex {
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private:
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friend class SdkConditionVariable;
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private:
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SdkRecursiveMutexType 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 SdkRecursiveMutex() : m_mutex{ { AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CONSTANT_INITIALIZER }, 0 } { /* ... */ }
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#else
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constexpr SdkRecursiveMutex() : m_mutex{ nullptr, { AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CONSTANT_INITIALIZER }, 0 } { /* ... */ }
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#endif
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ALWAYS_INLINE void Lock() { return os::LockSdkRecursiveMutex(std::addressof(m_mutex)); }
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ALWAYS_INLINE bool TryLock() { return os::TryLockSdkRecursiveMutex(std::addressof(m_mutex)); }
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ALWAYS_INLINE void Unlock() { return os::UnlockSdkRecursiveMutex(std::addressof(m_mutex)); }
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ALWAYS_INLINE bool IsLockedByCurrentThread() const { return os::IsSdkRecursiveMutexLockedByCurrentThread(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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