ladybird/Kernel/FileSystem/SysFS/Subsystems/Bus/USB/BusDirectory.cpp
Andreas Kling 11eee67b85 Kernel: Make self-contained locking smart pointers their own classes
Until now, our kernel has reimplemented a number of AK classes to
provide automatic internal locking:

- RefPtr
- NonnullRefPtr
- WeakPtr
- Weakable

This patch renames the Kernel classes so that they can coexist with
the original AK classes:

- RefPtr => LockRefPtr
- NonnullRefPtr => NonnullLockRefPtr
- WeakPtr => LockWeakPtr
- Weakable => LockWeakable

The goal here is to eventually get rid of the Lock* classes in favor of
using external locking.
2022-08-20 17:20:43 +02:00

48 lines
1.4 KiB
C++

/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/FileSystem/SysFS/Registry.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/USB/BusDirectory.h>
#include <Kernel/KBufferBuilder.h>
namespace Kernel {
static SysFSUSBBusDirectory* s_sysfs_usb_bus_directory;
void SysFSUSBBusDirectory::plug(Badge<USB::Hub>, SysFSUSBDeviceInformation& new_device_info_node)
{
MUST(m_child_components.with([&](auto& list) -> ErrorOr<void> {
list.append(new_device_info_node);
return {};
}));
}
void SysFSUSBBusDirectory::unplug(Badge<USB::Hub>, SysFSUSBDeviceInformation& removed_device_info_node)
{
MUST(m_child_components.with([&](auto& list) -> ErrorOr<void> {
list.remove(removed_device_info_node);
return {};
}));
}
SysFSUSBBusDirectory& SysFSUSBBusDirectory::the()
{
VERIFY(s_sysfs_usb_bus_directory);
return *s_sysfs_usb_bus_directory;
}
UNMAP_AFTER_INIT SysFSUSBBusDirectory::SysFSUSBBusDirectory(SysFSBusDirectory& buses_directory)
: SysFSDirectory(buses_directory)
{
}
UNMAP_AFTER_INIT void SysFSUSBBusDirectory::initialize()
{
auto directory = adopt_lock_ref(*new SysFSUSBBusDirectory(SysFSComponentRegistry::the().buses_directory()));
SysFSComponentRegistry::the().register_new_bus_directory(directory);
s_sysfs_usb_bus_directory = directory;
}
}