1/*
2 * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef SHARE_GC_SHARED_GENMEMORYPOOLS_HPP
26#define SHARE_GC_SHARED_GENMEMORYPOOLS_HPP
27
28#include "services/memoryPool.hpp"
29
30class ContiguousSpace;
31class DefNewGeneration;
32class Generation;
33
34class ContiguousSpacePool : public CollectedMemoryPool {
35private:
36 ContiguousSpace* _space;
37
38public:
39 ContiguousSpacePool(ContiguousSpace* space,
40 const char* name,
41 size_t max_size,
42 bool support_usage_threshold);
43
44 ContiguousSpace* space() { return _space; }
45 MemoryUsage get_memory_usage();
46 size_t used_in_bytes();
47};
48
49class SurvivorContiguousSpacePool : public CollectedMemoryPool {
50private:
51 DefNewGeneration* _young_gen;
52
53public:
54 SurvivorContiguousSpacePool(DefNewGeneration* young_gen,
55 const char* name,
56 size_t max_size,
57 bool support_usage_threshold);
58
59 MemoryUsage get_memory_usage();
60
61 size_t used_in_bytes();
62 size_t committed_in_bytes();
63};
64
65class GenerationPool : public CollectedMemoryPool {
66private:
67 Generation* _gen;
68public:
69 GenerationPool(Generation* gen, const char* name, bool support_usage_threshold);
70
71 MemoryUsage get_memory_usage();
72 size_t used_in_bytes();
73};
74
75#endif // SHARE_GC_SHARED_GENMEMORYPOOLS_HPP
76