1/*
2 * Copyright (C) 2014-2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef VMHeap_h
27#define VMHeap_h
28
29#include "Chunk.h"
30#include "FixedVector.h"
31#include "HeapKind.h"
32#include "LargeRange.h"
33#include "Map.h"
34#include "StaticPerProcess.h"
35#include "Vector.h"
36#if BOS(DARWIN)
37#include "Zone.h"
38#endif
39
40namespace bmalloc {
41
42class BeginTag;
43class EndTag;
44class Heap;
45
46typedef enum { Sync, Async } ScavengeMode;
47
48class VMHeap : public StaticPerProcess<VMHeap> {
49public:
50 VMHeap(std::lock_guard<Mutex>&);
51
52 LargeRange tryAllocateLargeChunk(size_t alignment, size_t);
53};
54DECLARE_STATIC_PER_PROCESS_STORAGE(VMHeap);
55
56} // namespace bmalloc
57
58#endif // VMHeap_h
59