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

107 lines
3.4 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/>.
*/
#include <stratosphere.hpp>
#include "impl/os_timeout_helper.hpp"
#if defined(ATMOSPHERE_OS_HORIZON)
#include "impl/os_internal_light_event_impl.os.horizon.hpp"
#else
#error "Unknown OS for ams::os::impl::InternalLightEventImpl"
#endif
namespace ams::os {
bool is_auto_clear;
bool is_initialized;
impl::InternalLightEventStorage storage;
void InitializeLightEvent(LightEventType *event, bool signaled, EventClearMode clear_mode) {
/* Set member variables. */
event->is_auto_clear = clear_mode == EventClearMode_AutoClear;
event->is_initialized = true;
/* Create object. */
util::ConstructAt(event->storage, signaled);
}
void FinalizeLightEvent(LightEventType *event) {
/* Set not-initialized. */
event->is_initialized = false;
/* Destroy object. */
util::DestroyAt(event->storage);
}
void SignalLightEvent(LightEventType *event) {
/* Check pre-conditions. */
AMS_ASSERT(event->is_initialized);
/* Signal. */
if (event->is_auto_clear) {
return util::GetReference(event->storage).SignalWithAutoClear();
} else {
return util::GetReference(event->storage).SignalWithManualClear();
}
}
void WaitLightEvent(LightEventType *event) {
/* Check pre-conditions. */
AMS_ASSERT(event->is_initialized);
/* Wait. */
if (event->is_auto_clear) {
return util::GetReference(event->storage).WaitWithAutoClear();
} else {
return util::GetReference(event->storage).WaitWithManualClear();
}
}
bool TryWaitLightEvent(LightEventType *event) {
/* Check pre-conditions. */
AMS_ASSERT(event->is_initialized);
/* Wait. */
if (event->is_auto_clear) {
return util::GetReference(event->storage).TryWaitWithAutoClear();
} else {
return util::GetReference(event->storage).TryWaitWithManualClear();
}
}
bool TimedWaitLightEvent(LightEventType *event, TimeSpan timeout) {
/* Check pre-conditions. */
AMS_ASSERT(event->is_initialized);
AMS_ASSERT(timeout.GetNanoSeconds() >= 0);
/* Create timeout helper. */
impl::TimeoutHelper timeout_helper(timeout);
/* Wait. */
if (event->is_auto_clear) {
return util::GetReference(event->storage).TimedWaitWithAutoClear(timeout_helper);
} else {
return util::GetReference(event->storage).TimedWaitWithManualClear(timeout_helper);
}
}
void ClearLightEvent(LightEventType *event) {
/* Check pre-conditions. */
AMS_ASSERT(event->is_initialized);
return util::GetReference(event->storage).Clear();
}
}