Kernel: Split the ProcFS core file into smaller components

Kernel/FileSystem/ProcFS/ComponentRegistry.cpp

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2021, Spencer Dixon <spencercdixon@gmail.com>
+ * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/Singleton.h>
+#include <Kernel/ProcessExposed.h>
+#include <Kernel/Sections.h>
+
+namespace Kernel {
+
+static Singleton<ProcFSComponentRegistry> s_the;
+
+ProcFSComponentRegistry& ProcFSComponentRegistry::the()
+{
+    return *s_the;
+}
+
+UNMAP_AFTER_INIT void ProcFSComponentRegistry::initialize()
+{
+    VERIFY(!s_the.is_initialized());
+    s_the.ensure_instance();
+}
+
+UNMAP_AFTER_INIT ProcFSComponentRegistry::ProcFSComponentRegistry()
+    : m_root_directory(ProcFSRootDirectory::must_create())
+{
+}
+
+}