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Atmosphere/libraries/libstratosphere/source/os/os_interrupt_event.cpp

73 lines
2.7 KiB
C++

/*
* Copyright (c) 2018-2020 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 <stratosphere.hpp>
#include "impl/os_interrupt_event_impl.hpp"
#include "impl/os_waitable_holder_impl.hpp"
#include "impl/os_waitable_object_list.hpp"
namespace ams::os {
void InitializeInterruptEvent(InterruptEventType *event, InterruptName name, EventClearMode clear_mode) {
/* Initialize member variables. */
event->clear_mode = static_cast<u8>(clear_mode);
/* Initialize implementation. */
new (GetPointer(event->impl)) impl::InterruptEventImpl(name, clear_mode);
/* Mark initialized. */
event->state = InterruptEventType::State_Initialized;
}
void FinalizeInterruptEvent(InterruptEventType *event) {
AMS_ASSERT(event->state == InterruptEventType::State_Initialized);
/* Mark uninitialized. */
event->state = InterruptEventType::State_NotInitialized;
/* Destroy objects. */
GetReference(event->impl).~InterruptEventImpl();
}
void WaitInterruptEvent(InterruptEventType *event) {
AMS_ASSERT(event->state == InterruptEventType::State_Initialized);
return GetReference(event->impl).Wait();
}
bool TryWaitInterruptEvent(InterruptEventType *event) {
AMS_ASSERT(event->state == InterruptEventType::State_Initialized);
return GetReference(event->impl).TryWait();
}
bool TimedWaitInterruptEvent(InterruptEventType *event, TimeSpan timeout) {
AMS_ASSERT(event->state == InterruptEventType::State_Initialized);
AMS_ASSERT(timeout.GetNanoSeconds() >= 0);
return GetReference(event->impl).TimedWait(timeout);
}
void ClearInterruptEvent(InterruptEventType *event) {
AMS_ASSERT(event->state == InterruptEventType::State_Initialized);
return GetReference(event->impl).Clear();
}
void InitializeWaitableHolder(WaitableHolderType *waitable_holder, InterruptEventType *event) {
AMS_ASSERT(event->state == InterruptEventType::State_Initialized);
new (GetPointer(waitable_holder->impl_storage)) impl::WaitableHolderOfInterruptEvent(event);
waitable_holder->user_data = 0;
}
}