src/hotspot/share/gc/shenandoah/shenandoahSATBMarkQueueSet.hpp
author kbarrett
Tue, 21 May 2019 19:19:44 -0400
changeset 54970 76d3d96a8bc2
parent 54256 aa937fac07f3
child 55498 e64383344f14
child 58678 9cf78a70fa4f
permissions -rw-r--r--
8224167: Refactor PtrQueue completed buffer processing Summary: Add handle_completed_buffer and refactor. Reviewed-by: tschatzl, shade

/*
 * Copyright (c) 2018, 2019, Red Hat, Inc. All rights reserved.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHSATBMARKQUEUESET_HPP
#define SHARE_GC_SHENANDOAH_SHENANDOAHSATBMARKQUEUESET_HPP

#include "gc/shared/satbMarkQueue.hpp"
#include "gc/shenandoah/shenandoahHeap.hpp"
#include "runtime/mutex.hpp"
#include "runtime/thread.hpp"

class ShenandoahSATBMarkQueue: public SATBMarkQueue {
protected:
  virtual void handle_completed_buffer();
public:
  ShenandoahSATBMarkQueue(SATBMarkQueueSet* qset) : SATBMarkQueue(qset) {}
};

class ShenandoahSATBMarkQueueSet : public SATBMarkQueueSet {
private:
  ShenandoahHeap* _heap;
  BufferNode::Allocator _satb_mark_queue_buffer_allocator;
public:
  ShenandoahSATBMarkQueueSet();

  void initialize(ShenandoahHeap* const heap,
                  Monitor* cbl_mon,
                  int process_completed_threshold,
                  uint buffer_enqueue_threshold_percentage);

  virtual SATBMarkQueue& satb_queue_for_thread(Thread* const t) const;
  virtual void filter(SATBMarkQueue* queue);
};

#endif // SHARE_GC_SHENANDOAH_SHENANDOAHSATBMARKQUEUESET_HPP