Atmosphere/libraries/libmesosphere/include/mesosphere/kern_k_readable_event.hpp
Michael Scire 3bc1951820 ams: mark ams::Result [[nodiscard]] (partially complete).
NOTE: This work is not yet fully complete; kernel is done, but
it was taking an exceedingly long time to get through libstratosphere.
Thus, I've temporarily added -Wno-error=unused-result for libstratosphere/stratosphere.

All warnings should be fixed to do the same thing Nintendo does as relevant, but this
is taking a phenomenally long time and is not actually the most important work to do,
so it can be put off for some time to prioritize other tasks for 21.0.0 support.
2025-11-15 12:31:07 -07:00

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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/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_synchronization_object.hpp>
namespace ams::kern {
class KEvent;
class KReadableEvent : public KSynchronizationObject {
MESOSPHERE_AUTOOBJECT_TRAITS(KReadableEvent, KSynchronizationObject);
private:
bool m_is_signaled;
KEvent *m_parent;
public:
constexpr explicit KReadableEvent(util::ConstantInitializeTag) : KSynchronizationObject(util::ConstantInitialize), m_is_signaled(), m_parent() { MESOSPHERE_ASSERT_THIS(); }
explicit KReadableEvent() { /* ... */ }
void Initialize(KEvent *parent);
constexpr KEvent *GetParent() const { return m_parent; }
void Signal();
Result Reset();
void Clear() {
MESOSPHERE_ASSERT_THIS();
/* Try to perform a reset, ignoring whether it succeeds. */
static_cast<void>(this->Reset());
}
virtual bool IsSignaled() const override;
virtual void Destroy() override;
/* NOTE: This is a virtual function in Nintendo's kernel. */
/* virtual Result Reset(); */
};
}