1 /* 2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #ifndef SHARE_VM_GC_EPSILON_EPSILONMEMORYPOOL_HPP 25 #define SHARE_VM_GC_EPSILON_EPSILONMEMORYPOOL_HPP 26 27 #include "utilities/macros.hpp" 28 #if INCLUDE_ALL_GCS 29 #include "gc/epsilon/epsilonHeap.hpp" 30 #include "services/memoryPool.hpp" 31 #include "services/memoryUsage.hpp" 32 #endif // INCLUDE_ALL_GCS 33 34 class EpsilonMemoryPool : public CollectedMemoryPool { 35 private: 36 EpsilonHeap* _heap; 37 38 public: 39 EpsilonMemoryPool(EpsilonHeap* heap); 40 size_t committed_in_bytes() { return _heap->capacity(); } 41 size_t used_in_bytes() { return _heap->used(); } 42 size_t max_size() const { return _heap->max_capacity(); } 43 MemoryUsage get_memory_usage(); 44 }; 45 46 #endif // SHARE_VM_GC_EPSILON_EPSILONMEMORYPOOL_HPP