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2152
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1 /*
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2 * copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP
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26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP
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27
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28 #include "gc_implementation/g1/heapRegionSet.inline.hpp"
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29
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30 //////////////////// FreeRegionList ////////////////////
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31
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32 class FreeRegionList : public HeapRegionLinkedList {
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33 protected:
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34 virtual const char* verify_region_extra(HeapRegion* hr);
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35
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36 virtual bool regions_humongous() { return false; }
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37 virtual bool regions_empty() { return true; }
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38
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39 public:
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40 FreeRegionList(const char* name) : HeapRegionLinkedList(name) { }
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41 };
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42
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43 //////////////////// MasterFreeRegionList ////////////////////
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44
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45 class MasterFreeRegionList : public FreeRegionList {
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46 protected:
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47 virtual bool check_mt_safety();
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48
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49 public:
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50 MasterFreeRegionList(const char* name) : FreeRegionList(name) { }
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51 };
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52
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53 //////////////////// SecondaryFreeRegionList ////////////////////
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54
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55 class SecondaryFreeRegionList : public FreeRegionList {
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56 protected:
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57 virtual bool check_mt_safety();
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58
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59 public:
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60 SecondaryFreeRegionList(const char* name) : FreeRegionList(name) { }
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61 };
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62
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63 //////////////////// HumongousRegionSet ////////////////////
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64
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65 class HumongousRegionSet : public HeapRegionSet {
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66 protected:
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67 virtual const char* verify_region_extra(HeapRegion* hr);
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68
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69 virtual bool regions_humongous() { return true; }
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70 virtual bool regions_empty() { return false; }
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71
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72 public:
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73 HumongousRegionSet(const char* name) : HeapRegionSet(name) { }
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74 };
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75
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76 //////////////////// MasterHumongousRegionSet ////////////////////
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77
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78 class MasterHumongousRegionSet : public HumongousRegionSet {
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79 protected:
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80 virtual bool check_mt_safety();
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81
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82 public:
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83 MasterHumongousRegionSet(const char* name) : HumongousRegionSet(name) { }
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84 };
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85
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86 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP
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