ladybird/Kernel/FileSystem/SysFS/Subsystems/DeviceIdentifiers/DeviceComponent.h
Liav A 6733f19b3c Kernel/SysFS: Reduce the responsibilities of the Registry object
Instead, let the /sys/dev/block and /sys/dev/char directories to handle
the registering part of SysFSDeviceComponents by themselves.
2022-07-15 12:29:23 +02:00

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C++

/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/IntrusiveList.h>
#include <Kernel/FileSystem/SysFS/Component.h>
#include <Kernel/KString.h>
namespace Kernel {
class SysFSDeviceComponent final
: public SysFSComponent
, public Weakable<SysFSDeviceComponent> {
friend class SysFSBlockDevicesDirectory;
friend class SysFSCharacterDevicesDirectory;
public:
static NonnullRefPtr<SysFSDeviceComponent> must_create(Device const&);
virtual StringView name() const override { return m_major_minor_formatted_device_name->view(); }
bool is_block_device() const { return m_block_device; }
private:
SysFSDeviceComponent(NonnullOwnPtr<KString> major_minor_formatted_device_name, Device const&);
IntrusiveListNode<SysFSDeviceComponent, NonnullRefPtr<SysFSDeviceComponent>> m_list_node;
bool m_block_device;
NonnullOwnPtr<KString> m_major_minor_formatted_device_name;
};
}