65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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_GC_G1_G1FULLGCCOMPACTIONPOINT_HPP
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#define SHARE_GC_G1_G1FULLGCCOMPACTIONPOINT_HPP
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#include "memory/allocation.hpp"
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#include "oops/oopsHierarchy.hpp"
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#include "utilities/growableArray.hpp"
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class HeapRegion;
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class G1FullGCCompactionPoint : public CHeapObj<mtGC> {
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HeapRegion* _current_region;
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HeapWord* _threshold;
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HeapWord* _compaction_top;
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GrowableArray<HeapRegion*>* _compaction_regions;
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GrowableArrayIterator<HeapRegion*> _compaction_region_iterator;
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bool object_will_fit(size_t size);
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void initialize_values(bool init_threshold);
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void switch_region();
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HeapRegion* next_region();
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public:
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G1FullGCCompactionPoint();
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~G1FullGCCompactionPoint();
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bool has_regions();
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bool is_initialized();
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void initialize(HeapRegion* hr, bool init_threshold);
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void update();
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void forward(oop object, size_t size);
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void add(HeapRegion* hr);
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void merge(G1FullGCCompactionPoint* other);
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HeapRegion* remove_last();
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HeapRegion* current_region();
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GrowableArray<HeapRegion*>* regions();
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};
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#endif // SHARE_GC_G1_G1FULLGCCOMPACTIONPOINT_HPP
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