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Serenity Operating System
1/*
2 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <AK/Bitmap.h>
30#include <Kernel/UnixTypes.h>
31#include <Kernel/VM/InodeVMObject.h>
32
33namespace Kernel {
34
35class PrivateInodeVMObject final : public InodeVMObject {
36 AK_MAKE_NONMOVABLE(PrivateInodeVMObject);
37
38public:
39 virtual ~PrivateInodeVMObject() override;
40
41 static NonnullRefPtr<PrivateInodeVMObject> create_with_inode(Inode&);
42 virtual NonnullRefPtr<VMObject> clone() override;
43
44private:
45 virtual bool is_private_inode() const override { return true; }
46
47 explicit PrivateInodeVMObject(Inode&, size_t);
48 explicit PrivateInodeVMObject(const PrivateInodeVMObject&);
49
50 virtual const char* class_name() const override { return "PrivateInodeVMObject"; }
51
52 PrivateInodeVMObject& operator=(const PrivateInodeVMObject&) = delete;
53};
54
55}