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Atmosphere/libraries/libstratosphere/source/os/os_waitable_manager.cpp
Michael Scire 0105455086 git subrepo clone https://github.com/Atmosphere-NX/Atmosphere-libs libraries
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"
2019-12-09 18:54:29 -08:00

88 lines
2.8 KiB
C++

/*
* 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 {
WaitableManager::WaitableManager() {
/* Initialize storage. */
new (GetPointer(this->impl_storage)) impl::WaitableManagerImpl();
}
WaitableManager::~WaitableManager() {
auto &impl = GetReference(this->impl_storage);
/* Don't allow destruction of a non-empty waitable holder. */
AMS_ASSERT(impl.IsEmpty());
impl.~WaitableManagerImpl();
}
/* Wait. */
WaitableHolder *WaitableManager::WaitAny() {
auto &impl = GetReference(this->impl_storage);
/* Don't allow waiting on empty list. */
AMS_ASSERT(!impl.IsEmpty());
return reinterpret_cast<WaitableHolder *>(impl.WaitAny());
}
WaitableHolder *WaitableManager::TryWaitAny() {
auto &impl = GetReference(this->impl_storage);
/* Don't allow waiting on empty list. */
AMS_ASSERT(!impl.IsEmpty());
return reinterpret_cast<WaitableHolder *>(impl.TryWaitAny());
}
WaitableHolder *WaitableManager::TimedWaitAny(u64 timeout) {
auto &impl = GetReference(this->impl_storage);
/* Don't allow waiting on empty list. */
AMS_ASSERT(!impl.IsEmpty());
return reinterpret_cast<WaitableHolder *>(impl.TimedWaitAny(timeout));
}
/* Link. */
void WaitableManager::LinkWaitableHolder(WaitableHolder *holder) {
auto &impl = GetReference(this->impl_storage);
auto holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(holder->impl_storage));
/* Don't allow double-linking a holder. */
AMS_ASSERT(!holder_base->IsLinkedToManager());
impl.LinkWaitableHolder(*holder_base);
holder_base->SetManager(&impl);
}
void WaitableManager::UnlinkAll() {
auto &impl = GetReference(this->impl_storage);
impl.UnlinkAll();
}
void WaitableManager::MoveAllFrom(WaitableManager *other) {
auto &dst_impl = GetReference(this->impl_storage);
auto &src_impl = GetReference(other->impl_storage);
dst_impl.MoveAllFrom(src_impl);
}
}