Atmosphere/libraries/libmesosphere/source/kern_k_readable_event.cpp

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2020-02-07 19:51:58 +00:00
/*
* 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 <mesosphere.hpp>
namespace ams::kern {
bool KReadableEvent::IsSignaled() const {
MESOSPHERE_ASSERT_THIS();
MESOSPHERE_ASSERT(KScheduler::IsSchedulerLockedByCurrentThread());
return this->is_signaled;
}
void KReadableEvent::Destroy() {
MESOSPHERE_ASSERT_THIS();
if (this->parent_event) {
this->parent_event->Close();
}
}
Result KReadableEvent::Signal() {
MESOSPHERE_ASSERT_THIS();
KScopedSchedulerLock lk;
if (!this->is_signaled) {
this->is_signaled = true;
this->NotifyAvailable();
}
return ResultSuccess();
}
Result KReadableEvent::Clear() {
MESOSPHERE_ASSERT_THIS();
this->Reset();
return ResultSuccess();
}
Result KReadableEvent::Reset() {
MESOSPHERE_ASSERT_THIS();
KScopedSchedulerLock lk;
R_UNLESS(this->is_signaled, svc::ResultInvalidState());
this->is_signaled = false;
return ResultSuccess();
}
}