1 /* 2 * Copyright (c) 2018, 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_VM_GC_SHENANDOAH_SHENANDOAHSATBMARKQUEUESET_HPP 25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHSATBMARKQUEUESET_HPP 26 27 #include "gc/shared/satbMarkQueue.hpp" 28 #include "gc/shenandoah/shenandoahHeap.hpp" 29 #include "runtime/mutex.hpp" 30 #include "runtime/thread.hpp" 31 32 class ShenandoahSATBMarkQueue: public SATBMarkQueue { 33 public: 34 ShenandoahSATBMarkQueue(SATBMarkQueueSet* qset) : SATBMarkQueue(qset, /* permanent = */ false) {} 35 virtual bool should_enqueue_buffer(); 36 }; 37 38 class ShenandoahSATBMarkQueueSet : public SATBMarkQueueSet { 39 private: 40 ShenandoahHeap* _heap; 41 BufferNode::Allocator _satb_mark_queue_buffer_allocator; 42 public: 43 ShenandoahSATBMarkQueueSet(); 44 45 void initialize(ShenandoahHeap* const heap, 46 Monitor* cbl_mon, 47 int process_completed_threshold, 48 uint buffer_enqueue_threshold_percentage, 49 Mutex* lock); 50 51 virtual SATBMarkQueue& satb_queue_for_thread(JavaThread* const t) const; 52 virtual void filter(SATBMarkQueue* queue); 53 }; 54 55 #endif