34 class CLDClosure;
  35 class GenCollectorPolicy;
  36 class GCMemoryManager;
  37 class MemoryPool;
  38 class OopsInGenClosure;
  39 class outputStream;
  40 class StrongRootsScope;
  41 class ThreadClosure;
  42 class WorkGang;
  43 
  44 class CMSHeap : public GenCollectedHeap {
  45 
  46 protected:
  47   virtual void check_gen_kinds();
  48 
  49 public:
  50   CMSHeap(GenCollectorPolicy *policy);
  51 
  52   // Returns JNI_OK on success
  53   virtual jint initialize();

  54 
  55   // Convenience function to be used in situations where the heap type can be
  56   // asserted to be this type.
  57   static CMSHeap* heap();
  58 
  59   virtual Name kind() const {
  60     return CollectedHeap::CMS;
  61   }
  62 
  63   virtual const char* name() const {
  64     return "Concurrent Mark Sweep";
  65   }
  66 
  67   WorkGang* workers() const { return _workers; }
  68 
  69   virtual void print_gc_threads_on(outputStream* st) const;
  70   virtual void gc_threads_do(ThreadClosure* tc) const;
  71   virtual void print_on_error(outputStream* st) const;
  72 
  73   // Perform a full collection of the heap; intended for use in implementing

  34 class CLDClosure;
  35 class GenCollectorPolicy;
  36 class GCMemoryManager;
  37 class MemoryPool;
  38 class OopsInGenClosure;
  39 class outputStream;
  40 class StrongRootsScope;
  41 class ThreadClosure;
  42 class WorkGang;
  43 
  44 class CMSHeap : public GenCollectedHeap {
  45 
  46 protected:
  47   virtual void check_gen_kinds();
  48 
  49 public:
  50   CMSHeap(GenCollectorPolicy *policy);
  51 
  52   // Returns JNI_OK on success
  53   virtual jint initialize();
  54   virtual CardTableRS* create_rem_set(const MemRegion& reserved_region);
  55 
  56   // Convenience function to be used in situations where the heap type can be
  57   // asserted to be this type.
  58   static CMSHeap* heap();
  59 
  60   virtual Name kind() const {
  61     return CollectedHeap::CMS;
  62   }
  63 
  64   virtual const char* name() const {
  65     return "Concurrent Mark Sweep";
  66   }
  67 
  68   WorkGang* workers() const { return _workers; }
  69 
  70   virtual void print_gc_threads_on(outputStream* st) const;
  71   virtual void gc_threads_do(ThreadClosure* tc) const;
  72   virtual void print_on_error(outputStream* st) const;
  73 
  74   // Perform a full collection of the heap; intended for use in implementing