1 /* 2 * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates. 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_VM_GC_SHENANDOAH_SHENANDOAHPARTIALGC_HPP 25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHPARTIALGC_HPP 26 27 #include "memory/allocation.hpp" 28 #include "gc/shenandoah/shenandoahTaskqueue.hpp" 29 30 class Thread; 31 class ShenandoahHeapRegionSet; 32 class ShenandoahHeap; 33 34 class ShenandoahPartialGC : public CHeapObj<mtGC> { 35 private: 36 ShenandoahHeapRegionSet* _root_regions; 37 ShenandoahHeap* _heap; 38 SCMObjToScanQueueSet* _task_queues; 39 40 public: 41 ShenandoahPartialGC(ShenandoahHeap* heap, uint max_regions); 42 43 void reset(); 44 45 ShenandoahHeapRegionSet* root_regions(); 46 47 void prepare(); 48 void do_partial_collection(); 49 50 bool is_in_root_region(oop obj); 51 52 template <class T> 53 void process_oop(T* p, Thread* thread, SCMObjToScanQueue* queue, bool update_matrix); 54 55 SCMObjToScanQueueSet* task_queues(); 56 }; 57 58 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHPARTIALGC_HPP