51 
  52 public:
  53   SATBMarkQueue(SATBMarkQueueSet* qset, bool permanent = false);
  54 
  55   // Process queue entries and free resources.
  56   void flush();
  57 
  58   // Apply cl to the active part of the buffer.
  59   // Prerequisite: Must be at a safepoint.
  60   void apply_closure_and_empty(SATBBufferClosure* cl);
  61 
  62   // Overrides PtrQueue::should_enqueue_buffer(). See the method's
  63   // definition for more information.
  64   virtual bool should_enqueue_buffer();
  65 
  66 #ifndef PRODUCT
  67   // Helpful for debugging
  68   void print(const char* name);
  69   static void print(const char* name, void** buf, size_t index, size_t sz);
  70 #endif // PRODUCT

















  71 };
  72 
  73 class SATBMarkQueueSet: public PtrQueueSet {
  74   SATBMarkQueue _shared_satb_queue;
  75 
  76 #ifdef ASSERT
  77   void dump_active_states(bool expected_active);
  78   void verify_active_states(bool expected_active);
  79 #endif // ASSERT
  80 
  81 public:
  82   SATBMarkQueueSet();
  83 
  84   void initialize(Monitor* cbl_mon, Mutex* fl_lock,
  85                   int process_completed_threshold,
  86                   Mutex* lock);
  87 
  88   static void handle_zero_index_for_thread(JavaThread* t);
  89 
  90   // Apply "set_active(active)" to all SATB queues in the set. It should be

  51 
  52 public:
  53   SATBMarkQueue(SATBMarkQueueSet* qset, bool permanent = false);
  54 
  55   // Process queue entries and free resources.
  56   void flush();
  57 
  58   // Apply cl to the active part of the buffer.
  59   // Prerequisite: Must be at a safepoint.
  60   void apply_closure_and_empty(SATBBufferClosure* cl);
  61 
  62   // Overrides PtrQueue::should_enqueue_buffer(). See the method's
  63   // definition for more information.
  64   virtual bool should_enqueue_buffer();
  65 
  66 #ifndef PRODUCT
  67   // Helpful for debugging
  68   void print(const char* name);
  69   static void print(const char* name, void** buf, size_t index, size_t sz);
  70 #endif // PRODUCT
  71 
  72   // Compiler support.
  73   static ByteSize byte_offset_of_index() {
  74     return PtrQueue::byte_offset_of_index<SATBMarkQueue>();
  75   }
  76   using PtrQueue::byte_width_of_index;
  77 
  78   static ByteSize byte_offset_of_buf() {
  79     return PtrQueue::byte_offset_of_buf<SATBMarkQueue>();
  80   }
  81   using PtrQueue::byte_width_of_buf;
  82 
  83   static ByteSize byte_offset_of_active() {
  84     return PtrQueue::byte_offset_of_active<SATBMarkQueue>();
  85   }
  86   using PtrQueue::byte_width_of_active;
  87 
  88 };
  89 
  90 class SATBMarkQueueSet: public PtrQueueSet {
  91   SATBMarkQueue _shared_satb_queue;
  92 
  93 #ifdef ASSERT
  94   void dump_active_states(bool expected_active);
  95   void verify_active_states(bool expected_active);
  96 #endif // ASSERT
  97 
  98 public:
  99   SATBMarkQueueSet();
 100 
 101   void initialize(Monitor* cbl_mon, Mutex* fl_lock,
 102                   int process_completed_threshold,
 103                   Mutex* lock);
 104 
 105   static void handle_zero_index_for_thread(JavaThread* t);
 106 
 107   // Apply "set_active(active)" to all SATB queues in the set. It should be