/*

 * Copyright (c) 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_SHENANDOAHPARALLELCLEANING_HPP

#define SHARE_GC_SHENANDOAH_SHENANDOAHPARALLELCLEANING_HPP

#include "gc/shared/parallelCleaning.hpp"

#include "gc/shared/weakProcessor.hpp"

#include "gc/shared/weakProcessorPhaseTimes.hpp"

#include "gc/shared/workgroup.hpp"

#include "memory/iterator.hpp"

// Perform weak root cleaning at a pause

template <typename IsAlive, typename KeepAlive>

class ShenandoahParallelWeakRootsCleaningTask : public AbstractGangTask {

protected:

  WeakProcessor::Task     _weak_processing_task;

  IsAlive*                _is_alive;

  KeepAlive*              _keep_alive;

public:

  ShenandoahParallelWeakRootsCleaningTask(IsAlive* is_alive, KeepAlive* keep_alive, uint num_workers);

  ~ShenandoahParallelWeakRootsCleaningTask();

  void work(uint worker_id);

};

// Perform class unloading at a pause

class ShenandoahClassUnloadingTask : public AbstractGangTask {

private:

  bool                            _unloading_occurred;

  CodeCacheUnloadingTask          _code_cache_task;

  KlassCleaningTask               _klass_cleaning_task;

public:

  ShenandoahClassUnloadingTask(BoolObjectClosure* is_alive,

                               uint num_workers,

                               bool unloading_occurred);

  void work(uint worker_id);

};

#endif // SHARE_GC_SHENANDOAH_SHENANDOAHPARALLELCLEANING_HPP