jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <AK/Singleton.h>
8#include <AK/StringView.h>
9#include <Kernel/FileSystem/SysFS/Registry.h>
10#include <Kernel/Sections.h>
11
12namespace Kernel {
13
14static Singleton<SysFSComponentRegistry> s_the;
15
16SysFSComponentRegistry& SysFSComponentRegistry::the()
17{
18 return *s_the;
19}
20
21UNMAP_AFTER_INIT void SysFSComponentRegistry::initialize()
22{
23 VERIFY(!s_the.is_initialized());
24 s_the.ensure_instance();
25}
26
27UNMAP_AFTER_INIT SysFSComponentRegistry::SysFSComponentRegistry()
28 : m_root_directory(SysFSRootDirectory::create())
29{
30}
31
32UNMAP_AFTER_INIT void SysFSComponentRegistry::register_new_component(SysFSComponent& component)
33{
34 SpinlockLocker locker(m_root_directory_lock);
35 MUST(m_root_directory->m_child_components.with([&](auto& list) -> ErrorOr<void> {
36 list.append(component);
37 return {};
38 }));
39}
40
41SysFSBusDirectory& SysFSComponentRegistry::buses_directory()
42{
43 return *m_root_directory->m_buses_directory;
44}
45
46void SysFSComponentRegistry::register_new_bus_directory(SysFSDirectory& new_bus_directory)
47{
48 VERIFY(!m_root_directory->m_buses_directory.is_null());
49 MUST(m_root_directory->m_buses_directory->m_child_components.with([&](auto& list) -> ErrorOr<void> {
50 list.append(new_bus_directory);
51 return {};
52 }));
53}
54
55}