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git subrepo clone https://github.com/Atmosphere-NX/Atmosphere-libs libraries

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subrepo:
  subdir:   "libraries"
  merged:   "07af583b"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "07af583b"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
This commit is contained in:
Michael Scire 2019-12-09 03:57:37 -08:00 • committed by SciresM
parent 28717bfd27
commit 0105455086
294 changed files with 29915 additions and 0 deletions
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116
libraries/libstratosphere/source/os/os_waitable_holder.cpp Normal file
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/*
* Copyright (c) 2018-2019 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/>.
*/
#include "impl/os_waitable_holder_impl.hpp"
#include "impl/os_waitable_manager_impl.hpp"
namespace ams::os {
WaitableHolder::WaitableHolder(Handle handle) {
/* Don't allow invalid handles. */
AMS_ASSERT(handle != INVALID_HANDLE);
/* Initialize appropriate holder. */
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfHandle(handle);
/* Set user-data. */
this->user_data = 0;
}
WaitableHolder::WaitableHolder(Event *event) {
/* Initialize appropriate holder. */
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfEvent(event);
/* Set user-data. */
this->user_data = 0;
}
WaitableHolder::WaitableHolder(SystemEvent *event) {
/* Initialize appropriate holder. */
switch (event->GetState()) {
case SystemEventState::Event:
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfEvent(&event->GetEvent());
break;
case SystemEventState::InterProcessEvent:
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfInterProcessEvent(&event->GetInterProcessEvent());
break;
case SystemEventState::Uninitialized:
AMS_UNREACHABLE_DEFAULT_CASE();
}
/* Set user-data. */
this->user_data = 0;
}
WaitableHolder::WaitableHolder(InterruptEvent *event) {
/* Initialize appropriate holder. */
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfInterruptEvent(event);
/* Set user-data. */
this->user_data = 0;
}
WaitableHolder::WaitableHolder(Thread *thread) {
/* Initialize appropriate holder. */
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfThread(thread);
/* Set user-data. */
this->user_data = 0;
}
WaitableHolder::WaitableHolder(Semaphore *semaphore) {
/* Initialize appropriate holder. */
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfSemaphore(semaphore);
/* Set user-data. */
this->user_data = 0;
}
WaitableHolder::WaitableHolder(MessageQueue *message_queue, MessageQueueWaitKind wait_kind) {
/* Initialize appropriate holder. */
switch (wait_kind) {
case MessageQueueWaitKind::ForNotFull:
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfMessageQueueForNotFull(message_queue);
break;
case MessageQueueWaitKind::ForNotEmpty:
new (GetPointer(this->impl_storage)) impl::WaitableHolderOfMessageQueueForNotEmpty(message_queue);
break;
AMS_UNREACHABLE_DEFAULT_CASE();
}
/* Set user-data. */
this->user_data = 0;
}
WaitableHolder::~WaitableHolder() {
auto holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(this->impl_storage));
/* Don't allow destruction of a linked waitable holder. */
AMS_ASSERT(!holder_base->IsLinkedToManager());
holder_base->~WaitableHolderBase();
}
void WaitableHolder::UnlinkFromWaitableManager() {
auto holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(this->impl_storage));
/* Don't allow unlinking of an unlinked holder. */
AMS_ASSERT(holder_base->IsLinkedToManager());
holder_base->GetManager()->UnlinkWaitableHolder(*holder_base);
holder_base->SetManager(nullptr);
}
}