src/share/vm/gc/g1/g1MarkSweep.hpp
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src/share/vm/gc/g1/g1MarkSweep.hpp

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  89 
  90 class G1PrepareCompactClosure : public HeapRegionClosure {
  91  protected:
  92   G1CollectedHeap* _g1h;
  93   ModRefBarrierSet* _mrbs;
  94   CompactPoint _cp;
  95   uint _humongous_regions_removed;
  96 
  97   virtual void prepare_for_compaction(HeapRegion* hr, HeapWord* end);
  98   void prepare_for_compaction_work(CompactPoint* cp, HeapRegion* hr, HeapWord* end);
  99   void free_humongous_region(HeapRegion* hr);
 100   bool is_cp_initialized() const { return _cp.space != NULL; }
 101 
 102  public:
 103   G1PrepareCompactClosure() :
 104     _g1h(G1CollectedHeap::heap()),
 105     _mrbs(_g1h->g1_barrier_set()),
 106     _humongous_regions_removed(0) { }
 107 
 108   void update_sets();
 109   bool doHeapRegion(HeapRegion* hr);
 110 };
 111 
 112 // G1ArchiveRegionMap is a boolean array used to mark G1 regions as
 113 // archive regions.  This allows a quick check for whether an object
 114 // should not be marked because it is in an archive region.
 115 class G1ArchiveRegionMap : public G1BiasedMappedArray<bool> {
 116 protected:
 117   bool default_value() const { return false; }
 118 };
 119 
 120 #endif // SHARE_VM_GC_G1_G1MARKSWEEP_HPP


  89 
  90 class G1PrepareCompactClosure : public HeapRegionClosure {
  91  protected:
  92   G1CollectedHeap* _g1h;
  93   ModRefBarrierSet* _mrbs;
  94   CompactPoint _cp;
  95   uint _humongous_regions_removed;
  96 
  97   virtual void prepare_for_compaction(HeapRegion* hr, HeapWord* end);
  98   void prepare_for_compaction_work(CompactPoint* cp, HeapRegion* hr, HeapWord* end);
  99   void free_humongous_region(HeapRegion* hr);
 100   bool is_cp_initialized() const { return _cp.space != NULL; }
 101 
 102  public:
 103   G1PrepareCompactClosure() :
 104     _g1h(G1CollectedHeap::heap()),
 105     _mrbs(_g1h->g1_barrier_set()),
 106     _humongous_regions_removed(0) { }
 107 
 108   void update_sets();
 109   void doHeapRegion(HeapRegion* hr);
 110 };
 111 
 112 // G1ArchiveRegionMap is a boolean array used to mark G1 regions as
 113 // archive regions.  This allows a quick check for whether an object
 114 // should not be marked because it is in an archive region.
 115 class G1ArchiveRegionMap : public G1BiasedMappedArray<bool> {
 116 protected:
 117   bool default_value() const { return false; }
 118 };
 119 
 120 #endif // SHARE_VM_GC_G1_G1MARKSWEEP_HPP
src/share/vm/gc/g1/g1MarkSweep.hpp
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