/*
 * Copyright (c) 2016, 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
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 */

#ifndef SHARE_VM_GC_SHARED_GC_HPP
#define SHARE_VM_GC_SHARED_GC_HPP

#include "memory/allocation.hpp"
#include "utilities/globalDefinitions.hpp"

class CollectedHeap;
class GCServicabilitySupport;

class GC : public CHeapObj<mtGC> {
private:
  static GC* _gc;

  CollectedHeap* _heap;
  GCServicabilitySupport* _servicability;

protected:
  virtual CollectedHeap* create_heap() = 0;
  virtual GCServicabilitySupport* create_servicability_support() = 0;

public:
  static jint initialize();
  static bool is_initialized();
  static GC* gc();

  jint initialize_heap();

  CollectedHeap* heap() const;
  GCServicabilitySupport* servicability_support();

  virtual void initialize_flags();
  virtual size_t conservative_max_heap_alignment() = 0;

  virtual void synchronize_safepoint();
  virtual void desynchronize_safepoint();
};

#endif // SHARE_VM_GC_SHARED_GC_HPP