/*

 * 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.

 *

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#ifndef SHARE_GC_G1_G1EDENREGIONS_HPP

#define SHARE_GC_G1_G1EDENREGIONS_HPP

#include "gc/g1/heapRegion.hpp"

#include "runtime/globals.hpp"

#include "utilities/debug.hpp"

class G1EdenRegions {

private:

  int    _length;

  // Sum of used bytes from all retired eden regions.

  // I.e. updated when mutator regions are retired.

  volatile size_t _used_bytes;

public:

    assert(!hr->is_eden(), "should not already be set");

    _length++;

  }

  uint length() const { return _length; }

  size_t used_bytes() const { return _used_bytes; }

  void add_used_bytes(size_t used_bytes) {

    _used_bytes += used_bytes;

  }

};

#endif // SHARE_GC_G1_G1EDENREGIONS_HPP