67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
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/*
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* Copyright (c) 2019, 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_G1PARALLELCLEANING_HPP
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#define SHARE_GC_G1_G1PARALLELCLEANING_HPP
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#include "gc/shared/parallelCleaning.hpp"
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#if INCLUDE_JVMCI
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class JVMCICleaningTask : public StackObj {
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volatile int _cleaning_claimed;
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public:
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JVMCICleaningTask();
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// Clean JVMCI metadata handles.
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void work(bool unloading_occurred);
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private:
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bool claim_cleaning_task();
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};
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#endif
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// Do cleanup of some weakly held data in the same parallel task.
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// Assumes a non-moving context.
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class G1ParallelCleaningTask : public AbstractGangTask {
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private:
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bool _unloading_occurred;
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StringDedupCleaningTask _string_dedup_task;
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CodeCacheUnloadingTask _code_cache_task;
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#if INCLUDE_JVMCI
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JVMCICleaningTask _jvmci_cleaning_task;
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#endif
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KlassCleaningTask _klass_cleaning_task;
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public:
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// The constructor is run in the VMThread.
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G1ParallelCleaningTask(BoolObjectClosure* is_alive,
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uint num_workers,
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bool unloading_occurred,
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bool resize_dedup_table);
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void work(uint worker_id);
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};
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#endif // SHARE_GC_G1_G1PARALLELCLEANING_HPP
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