ladybird/Kernel/FileSystem/TmpFS/FileSystem.h

41 lines
997 B
C++

/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/FileSystem/FileSystem.h>
#include <Kernel/FileSystem/Inode.h>
#include <Kernel/Forward.h>
namespace Kernel {
class TmpFS final : public FileSystem {
friend class TmpFSInode;
public:
virtual ~TmpFS() override;
static ErrorOr<NonnullLockRefPtr<FileSystem>> try_create();
virtual ErrorOr<void> initialize() override;
virtual StringView class_name() const override { return "TmpFS"sv; }
virtual bool supports_watchers() const override { return true; }
virtual Inode& root_inode() override;
private:
TmpFS();
LockRefPtr<TmpFSInode> m_root_inode;
// NOTE: We start by assigning InodeIndex of 2, because 0 is invalid and 1
// is reserved for the root directory inode.
unsigned m_next_inode_index { 2 };
unsigned next_inode_index();
};
}