mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-21 01:42:12 +00:00
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
/*
|
|
* 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 <vapours.hpp>
|
|
#include <stratosphere/os/impl/os_internal_critical_section.hpp>
|
|
|
|
namespace ams::os {
|
|
|
|
class SdkConditionVariable;
|
|
|
|
struct ThreadType;
|
|
|
|
struct SdkMutexType {
|
|
#if !defined(AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CAN_CHECK_LOCKED_BY_CURRENT_THREAD)
|
|
os::ThreadType *owner_thread;
|
|
#endif
|
|
union {
|
|
s32 _arr[sizeof(impl::InternalCriticalSectionStorage) / sizeof(s32)];
|
|
impl::InternalCriticalSectionStorage _storage;
|
|
impl::InternalCriticalSectionStorageTypeForConstantInitialize _storage_for_constant_initialize;
|
|
};
|
|
};
|
|
static_assert(std::is_trivial<SdkMutexType>::value);
|
|
|
|
void InitializeSdkMutex(SdkMutexType *mutex);
|
|
|
|
void LockSdkMutex(SdkMutexType *mutex);
|
|
bool TryLockSdkMutex(SdkMutexType *mutex);
|
|
void UnlockSdkMutex(SdkMutexType *mutex);
|
|
|
|
bool IsSdkMutexLockedByCurrentThread(const SdkMutexType *mutex);
|
|
|
|
class SdkMutex {
|
|
private:
|
|
friend class SdkConditionVariable;
|
|
private:
|
|
SdkMutexType m_mutex;
|
|
public:
|
|
#if defined(AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CAN_CHECK_LOCKED_BY_CURRENT_THREAD)
|
|
constexpr SdkMutex() : m_mutex{{AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CONSTANT_INITIALIZER}} { /* ... */ }
|
|
#else
|
|
constexpr SdkMutex() : m_mutex{nullptr, {AMS_OS_INTERNAL_CRITICAL_SECTION_IMPL_CONSTANT_INITIALIZER}} { /* ... */ }
|
|
#endif
|
|
|
|
ALWAYS_INLINE void Lock() { return os::LockSdkMutex(std::addressof(m_mutex)); }
|
|
ALWAYS_INLINE bool TryLock() { return os::TryLockSdkMutex(std::addressof(m_mutex)); }
|
|
ALWAYS_INLINE void Unlock() { return os::UnlockSdkMutex(std::addressof(m_mutex)); }
|
|
|
|
ALWAYS_INLINE bool IsLockedByCurrentThread() const { return os::IsSdkMutexLockedByCurrentThread(std::addressof(m_mutex)); }
|
|
|
|
ALWAYS_INLINE void lock() { return this->Lock(); }
|
|
ALWAYS_INLINE bool try_lock() { return this->TryLock(); }
|
|
ALWAYS_INLINE void unlock() { return this->Unlock(); }
|
|
};
|
|
|
|
}
|