1/*
2 * Copyright (C) 2008 The Android Open Source Project
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
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#pragma once
30
31#include "contexts.h"
32#include "prop_area.h"
33#include "prop_info.h"
34
35class ContextsPreSplit : public Contexts {
36 public:
37  virtual ~ContextsPreSplit() override {
38  }
39
40  // We'll never initialize this legacy option as writable, so don't even check the arg.
41  virtual bool Initialize(bool, const char* filename, bool*) override {
42    pre_split_prop_area_ = prop_area::map_prop_area(filename);
43    return pre_split_prop_area_ != nullptr;
44  }
45
46  virtual prop_area* GetPropAreaForName(const char*) override {
47    return pre_split_prop_area_;
48  }
49
50  virtual prop_area* GetSerialPropArea() override {
51    return pre_split_prop_area_;
52  }
53
54  virtual void ForEach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) override {
55    pre_split_prop_area_->foreach (propfn, cookie);
56  }
57
58  // This is a no-op for pre-split properties as there is only one property file and it is
59  // accessible by all domains
60  virtual void ResetAccess() override {
61  }
62
63  virtual void FreeAndUnmap() override {
64    prop_area::unmap_prop_area(&pre_split_prop_area_);
65  }
66
67 private:
68  prop_area* pre_split_prop_area_ = nullptr;
69};
70