1 /* 2 * Copyright (c) 2017, 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_VM_GC_SHARED_GENMEMORYPOOLS_HPP 26 #define SHARE_VM_GC_SHARED_GENMEMORYPOOLS_HPP 27 28 #include "services/memoryPool.hpp" 29 30 class ContiguousSpace; 31 class DefNewGeneration; 32 class Generation; 33 34 class ContiguousSpacePool : public CollectedMemoryPool { 35 private: 36 ContiguousSpace* _space; 37 38 public: 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 49 class SurvivorContiguousSpacePool : public CollectedMemoryPool { 50 private: 51 DefNewGeneration* _young_gen; 52 53 public: 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 65 class GenerationPool : public CollectedMemoryPool { 66 private: 67 Generation* _gen; 68 public: 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_VM_GC_SHARED_GENMEMORYPOOLS_HPP