Kernel: Split the ProcFS core file into smaller components

1 files changed, 40 insertions, 0 deletions

diff --git a/Kernel/FileSystem/ProcFS/Inode.h b/Kernel/FileSystem/ProcFS/Inode.h
new file mode 100644
index 0000000000..3fcf5847c4
--- /dev/null
+++ b/Kernel/FileSystem/ProcFS/Inode.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <Kernel/FileSystem/Inode.h>
+#include <Kernel/FileSystem/OpenFileDescription.h>
+#include <Kernel/FileSystem/ProcFS/FileSystem.h>
+#include <Kernel/ProcessExposed.h>
+#include <Kernel/UnixTypes.h>
+
+namespace Kernel {
+
+class ProcFSInode : public Inode {
+    friend class ProcFS;
+
+public:
+    virtual ~ProcFSInode() override;
+
+protected:
+    ProcFSInode(ProcFS const&, InodeIndex);
+
+    ProcFS& procfs() { return static_cast<ProcFS&>(Inode::fs()); }
+    ProcFS const& procfs() const { return static_cast<ProcFS const&>(Inode::fs()); }
+
+    // ^Inode
+    virtual ErrorOr<void> attach(OpenFileDescription& description) override = 0;
+    virtual void did_seek(OpenFileDescription&, off_t) override = 0;
+    virtual ErrorOr<void> flush_metadata() override final;
+    virtual ErrorOr<NonnullLockRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override final;
+    virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override final;
+    virtual ErrorOr<void> remove_child(StringView name) override final;
+    virtual ErrorOr<void> chmod(mode_t) override final;
+    virtual ErrorOr<void> chown(UserID, GroupID) override final;
+};
+
+}