1 /*
 2  * Copyright (c) 2013, 2019, Red Hat, Inc. 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_SHENANDOAH_SHENANDOAHMEMORYPOOL_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHMEMORYPOOL_HPP
27 
28 #ifndef SERIALGC
29 #include "gc/shenandoah/shenandoahHeap.hpp"
30 #include "services/memoryPool.hpp"
31 #include "services/memoryUsage.hpp"
32 #endif
33 
34 class ShenandoahMemoryPool : public CollectedMemoryPool {
35 protected:
36    ShenandoahHeap* _heap;
37 
38 public:
39   ShenandoahMemoryPool(ShenandoahHeap* pool,
40                       const char* name = "Shenandoah");
41   virtual MemoryUsage get_memory_usage();
42   virtual size_t used_in_bytes();
43   virtual size_t max_size() const;
44 
45 protected:
46   ShenandoahMemoryPool(ShenandoahHeap* pool,
47                        const char* name,
48                        size_t initial_capacity,
49                        size_t max_capacity);
50 };
51 
52 class ShenandoahYoungGenMemoryPool : public ShenandoahMemoryPool {
53 public:
54   ShenandoahYoungGenMemoryPool(ShenandoahHeap* pool);
55   MemoryUsage get_memory_usage() override;
56   size_t used_in_bytes() override;
57   size_t max_size() const override;
58 };
59 
60 class ShenandoahOldGenMemoryPool : public ShenandoahMemoryPool {
61 public:
62   ShenandoahOldGenMemoryPool(ShenandoahHeap* pool);
63   MemoryUsage get_memory_usage() override;
64   size_t used_in_bytes() override;
65   size_t max_size() const override;
66 };
67 
68 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHMEMORYPOOL_HPP