c8c4924aa3
To improve performance of self-forwarding fixup during evacuation failure, coalesce the work done for dead objects. Reviewed-by: mgerdin, tbenson, tonyp
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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* Copyright (c) 2012, 2015, 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_VM_GC_G1_G1EVACFAILURE_HPP
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#define SHARE_VM_GC_G1_G1EVACFAILURE_HPP
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#include "gc/g1/g1OopClosures.hpp"
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#include "gc/g1/heapRegionManager.hpp"
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#include "gc/shared/workgroup.hpp"
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#include "utilities/globalDefinitions.hpp"
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class G1CollectedHeap;
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// Task to fixup self-forwarding pointers
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// installed as a result of an evacuation failure.
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class G1ParRemoveSelfForwardPtrsTask: public AbstractGangTask {
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protected:
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G1CollectedHeap* _g1h;
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HeapRegionClaimer _hrclaimer;
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public:
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G1ParRemoveSelfForwardPtrsTask();
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void work(uint worker_id);
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};
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#endif // SHARE_VM_GC_G1_G1EVACFAILURE_HPP
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