mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-05 07:49:09 +00:00
151 lines
5.2 KiB
C++
151 lines
5.2 KiB
C++
/*
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* Copyright (c) 2018-2020 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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#include <stratosphere.hpp>
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#include "impl/os_waitable_manager_impl.hpp"
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#include "impl/os_waitable_holder_base.hpp"
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#include "impl/os_waitable_holder_impl.hpp"
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namespace ams::os {
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namespace {
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ALWAYS_INLINE impl::WaitableManagerImpl &GetWaitableManagerImpl(WaitableManagerType *manager) {
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return GetReference(manager->impl_storage);
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}
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ALWAYS_INLINE WaitableHolderType *ReinterpretAsWaitableHolder(impl::WaitableHolderBase *base) {
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return reinterpret_cast<WaitableHolderType *>(base);
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}
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}
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void InitializeWaitableManager(WaitableManagerType *manager) {
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/* Initialize storage. */
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new (std::addressof(GetWaitableManagerImpl(manager))) impl::WaitableManagerImpl;
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/* Mark initialized. */
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manager->state = WaitableManagerType::State_Initialized;
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}
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void FinalizeWaitableManager(WaitableManagerType *manager) {
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auto &impl = GetWaitableManagerImpl(manager);
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AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
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AMS_ASSERT(impl.IsEmpty());
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/* Mark not initialized. */
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manager->state = WaitableManagerType::State_NotInitialized;
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/* Destroy. */
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impl.~WaitableManagerImpl();
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}
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WaitableHolderType *WaitAny(WaitableManagerType *manager) {
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auto &impl = GetWaitableManagerImpl(manager);
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AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
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AMS_ASSERT(!impl.IsEmpty());
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auto *holder = ReinterpretAsWaitableHolder(impl.WaitAny());
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AMS_ASSERT(holder != nullptr);
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return holder;
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}
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WaitableHolderType *TryWaitAny(WaitableManagerType *manager) {
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auto &impl = GetWaitableManagerImpl(manager);
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AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
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AMS_ASSERT(!impl.IsEmpty());
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auto *holder = ReinterpretAsWaitableHolder(impl.TryWaitAny());
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return holder;
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}
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WaitableHolderType *TimedWaitAny(WaitableManagerType *manager, TimeSpan timeout) {
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auto &impl = GetWaitableManagerImpl(manager);
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AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
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AMS_ASSERT(!impl.IsEmpty());
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AMS_ASSERT(timeout.GetNanoSeconds() >= 0);
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auto *holder = ReinterpretAsWaitableHolder(impl.TimedWaitAny(timeout));
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return holder;
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}
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void FinalizeWaitableHolder(WaitableHolderType *holder) {
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auto *holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(holder->impl_storage));
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AMS_ASSERT(!holder_base->IsLinkedToManager());
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holder_base->~WaitableHolderBase();
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}
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void LinkWaitableHolder(WaitableManagerType *manager, WaitableHolderType *holder) {
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auto &impl = GetWaitableManagerImpl(manager);
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auto *holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(holder->impl_storage));
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AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
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AMS_ASSERT(!holder_base->IsLinkedToManager());
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impl.LinkWaitableHolder(*holder_base);
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holder_base->SetManager(&impl);
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}
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void UnlinkWaitableHolder(WaitableHolderType *holder) {
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auto *holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(holder->impl_storage));
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/* Don't allow unlinking of an unlinked holder. */
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AMS_ABORT_UNLESS(holder_base->IsLinkedToManager());
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holder_base->GetManager()->UnlinkWaitableHolder(*holder_base);
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holder_base->SetManager(nullptr);
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}
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void UnlinkAllWaitableHolder(WaitableManagerType *manager) {
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auto &impl = GetWaitableManagerImpl(manager);
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AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
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return impl.UnlinkAll();
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}
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void MoveAllWaitableHolder(WaitableManagerType *_dst, WaitableManagerType *_src) {
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auto &dst = GetWaitableManagerImpl(_dst);
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auto &src = GetWaitableManagerImpl(_src);
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AMS_ASSERT(_dst->state == WaitableManagerType::State_Initialized);
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AMS_ASSERT(_src->state == WaitableManagerType::State_Initialized);
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return dst.MoveAllFrom(src);
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}
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void SetWaitableHolderUserData(WaitableHolderType *holder, uintptr_t user_data) {
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holder->user_data = user_data;
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}
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uintptr_t GetWaitableHolderUserData(const WaitableHolderType *holder) {
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return holder->user_data;
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}
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void InitializeWaitableHolder(WaitableHolderType *holder, Handle handle) {
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AMS_ASSERT(handle != svc::InvalidHandle);
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new (GetPointer(holder->impl_storage)) impl::WaitableHolderOfHandle(handle);
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holder->user_data = 0;
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}
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}
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