1 /*
   2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  24 
  25 #ifndef SHARE_GC_G1_G1SURVIVORREGIONS_HPP
  26 #define SHARE_GC_G1_G1SURVIVORREGIONS_HPP
  27 
  28 #include "runtime/globals.hpp"
  29 
  30 template <typename T>
  31 class GrowableArray;
  32 class HeapRegion;
  33 
  34 class G1SurvivorRegions {
  35 private:
  36   GrowableArray<HeapRegion*>* _regions;
  37 
  38 public:
  39   G1SurvivorRegions();
  40 
  41   void add(HeapRegion* hr);
  42 
  43   void convert_to_eden();
  44 
  45   void clear();
  46 
  47   uint length() const;
  48 
  49   const GrowableArray<HeapRegion*>* regions() const {
  50     return _regions;
  51   }
  52 };
  53 
  54 #endif // SHARE_GC_G1_G1SURVIVORREGIONS_HPP