src/hotspot/share/gc/epsilon/epsilonMemoryPool.hpp
author shade
Tue, 12 Jun 2018 15:03:00 +0200
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8204180: Implementation: JEP 318: Epsilon, A No-Op Garbage Collector Summary: Introduce Epsilon GC Reviewed-by: rkennke, ihse, pliden, eosterlund, lmesnik, jgeorge, stefank
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/*
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 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_GC_EPSILON_EPSILONMEMORYPOOL_HPP
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#define SHARE_VM_GC_EPSILON_EPSILONMEMORYPOOL_HPP
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#include "gc/epsilon/epsilonHeap.hpp"
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#include "services/memoryPool.hpp"
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#include "services/memoryUsage.hpp"
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#include "utilities/macros.hpp"
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class EpsilonMemoryPool : public CollectedMemoryPool {
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private:
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  EpsilonHeap* _heap;
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public:
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  EpsilonMemoryPool(EpsilonHeap* heap);
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  size_t committed_in_bytes() { return _heap->capacity();     }
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  size_t used_in_bytes()      { return _heap->used();         }
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  size_t max_size()     const { return _heap->max_capacity(); }
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  MemoryUsage get_memory_usage();
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};
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#endif // SHARE_VM_GC_EPSILON_EPSILONMEMORYPOOL_HPP