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https://github.com/Atmosphere-NX/Atmosphere.git
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81 lines
2 KiB
C++
81 lines
2 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mesosphere.hpp>
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namespace ams::kern {
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void KReadableEvent::Initialize(KEvent *parent) {
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MESOSPHERE_ASSERT_THIS();
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m_is_signaled = false;
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m_parent = parent;
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if (m_parent != nullptr) {
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m_parent->Open();
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}
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}
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bool KReadableEvent::IsSignaled() const {
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MESOSPHERE_ASSERT_THIS();
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MESOSPHERE_ASSERT(KScheduler::IsSchedulerLockedByCurrentThread());
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return m_is_signaled;
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}
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void KReadableEvent::Destroy() {
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MESOSPHERE_ASSERT_THIS();
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if (m_parent) {
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{
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KScopedSchedulerLock sl;
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m_parent->OnReadableEventDestroyed();
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}
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m_parent->Close();
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}
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}
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Result KReadableEvent::Signal() {
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MESOSPHERE_ASSERT_THIS();
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KScopedSchedulerLock lk;
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if (!m_is_signaled) {
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m_is_signaled = true;
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this->NotifyAvailable();
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}
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return ResultSuccess();
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}
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Result KReadableEvent::Clear() {
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MESOSPHERE_ASSERT_THIS();
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this->Reset();
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return ResultSuccess();
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}
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Result KReadableEvent::Reset() {
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MESOSPHERE_ASSERT_THIS();
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KScopedSchedulerLock lk;
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R_UNLESS(m_is_signaled, svc::ResultInvalidState());
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m_is_signaled = false;
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return ResultSuccess();
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}
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}
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