1 /*
   2  * Copyright (c) 2018, 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_SHENANDOAHSATBMARKQUEUESET_HPP
  25 #define SHARE_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 protected:
  34   virtual void handle_completed_buffer();
  35 public:
  36   ShenandoahSATBMarkQueue(SATBMarkQueueSet* qset) : SATBMarkQueue(qset) {}
  37 };
  38 
  39 class ShenandoahSATBMarkQueueSet : public SATBMarkQueueSet {
  40 private:
  41   ShenandoahHeap* _heap;
  42   BufferNode::Allocator _satb_mark_queue_buffer_allocator;
  43 public:
  44   ShenandoahSATBMarkQueueSet();
  45 
  46   void initialize(ShenandoahHeap* const heap,
  47                   Monitor* cbl_mon,
  48                   int process_completed_threshold,
  49                   uint buffer_enqueue_threshold_percentage);
  50 
  51   virtual SATBMarkQueue& satb_queue_for_thread(Thread* const t) const;
  52   virtual void filter(SATBMarkQueue* queue);
  53 };
  54 
  55 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHSATBMARKQUEUESET_HPP