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serenity/Kernel/FileSystem/SysFS/Subsystems/Kernel/PowerStateSwitch.h

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C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <AK/Vector.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Kernel/Directory.h>
#include <Kernel/KBuffer.h>
#include <Kernel/Library/LockRefPtr.h>
#include <Kernel/Memory/MappedROM.h>
#include <Kernel/Memory/Region.h>
#include <Kernel/PhysicalAddress.h>
#include <Kernel/VirtualAddress.h>
namespace Kernel {
class SysFSPowerStateSwitchNode final : public SysFSComponent {
public:
virtual StringView name() const override { return "power_state"sv; }
static NonnullLockRefPtr<SysFSPowerStateSwitchNode> must_create(SysFSDirectory const&);
virtual mode_t permissions() const override;
virtual ErrorOr<size_t> write_bytes(off_t, size_t, UserOrKernelBuffer const&, OpenFileDescription*) override;
virtual ErrorOr<void> truncate(u64) override;
private:
explicit SysFSPowerStateSwitchNode(SysFSDirectory const&);
void reboot();
void poweroff();
};
}