1 /* 2 * Copyright (c) 2019, 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_GC_SHENANDOAH_SHENANDOAHPARALLELCLEANING_HPP 25 #define SHARE_GC_SHENANDOAH_SHENANDOAHPARALLELCLEANING_HPP 26 27 #include "gc/shared/parallelCleaning.hpp" 28 #include "gc/shared/workgroup.hpp" 29 #include "gc/shenandoah/shenandoahRootProcessor.hpp" 30 #include "memory/iterator.hpp" 31 32 // Perform weak root cleaning at a pause 33 template <typename IsAlive, typename KeepAlive> 34 class ShenandoahParallelWeakRootsCleaningTask : public AbstractGangTask { 35 protected: 36 ShenandoahPhaseTimings::Phase _phase; 37 ShenandoahWeakRoots _weak_roots; 38 IsAlive* _is_alive; 39 KeepAlive* _keep_alive; 40 public: 41 ShenandoahParallelWeakRootsCleaningTask(ShenandoahPhaseTimings::Phase phase, 42 IsAlive* is_alive, 43 KeepAlive* keep_alive, 44 uint num_workers); 45 ~ShenandoahParallelWeakRootsCleaningTask(); 46 47 void work(uint worker_id); 48 }; 49 50 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHPARALLELCLEANING_HPP