/*

 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * 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_Z_ZDRIVER_HPP

#define SHARE_GC_Z_ZDRIVER_HPP

#include "gc/shared/concurrentGCThread.hpp"

#include "gc/shared/gcCause.hpp"

#include "gc/z/zMessagePort.hpp"

class VM_ZOperation;

class ZDriver : public ConcurrentGCThread {

private:

  ZMessagePort<GCCause::Cause> _gc_cycle_port;

  ZRendezvousPort              _gc_locker_port;

  template <typename T> bool pause();

  void pause_mark_start();

  void concurrent_mark();

  bool pause_mark_end();

  void concurrent_mark_continue();

  void concurrent_process_non_strong_references();

  void concurrent_reset_relocation_set();

  void pause_verify();

  void concurrent_select_relocation_set();

  void pause_relocate_start();

  void concurrent_relocate();

  void check_out_of_memory();

  void gc(GCCause::Cause cause);

protected:

  virtual void run_service();

  virtual void stop_service();

public:

  ZDriver();

  void collect(GCCause::Cause cause);

};

#endif // SHARE_GC_Z_ZDRIVER_HPP