src/share/vm/memory/referenceProcessor.hpp

rev 7522 : * * *
8066827: Remove ReferenceProcessor::clean_up_discovered_references()
Summary: Abandon rather than clean up discovered references.
Reviewed-by:

*** 351,373 ****
                                        VoidClosure*       complete_gc,
                                        YieldClosure*      yield,
                                        GCTimer*           gc_timer,
                                        GCId               gc_id);
  
-   // Delete entries in the discovered lists that have
-   // either a null referent or are not active. Such
-   // Reference objects can result from the clearing
-   // or enqueueing of Reference objects concurrent
-   // with their discovery by a (concurrent) collector.
-   // For a definition of "active" see java.lang.ref.Reference;
-   // Refs are born active, become inactive when enqueued,
-   // and never become active again. The state of being
-   // active is encoded as follows: A Ref is active
-   // if and only if its "next" field is NULL.
-   void clean_up_discovered_references();
-   void clean_up_discovered_reflist(DiscoveredList& refs_list);
- 
    // Returns the name of the discovered reference list
    // occupying the i / _num_q slot.
    const char* list_name(uint i);
  
    void enqueue_discovered_reflists(HeapWord* pending_list_addr, AbstractRefProcTaskExecutor* task_executor);
--- 351,360 ----
*** 437,447 ****
    // get and set span
    MemRegion span()                   { return _span; }
    void      set_span(MemRegion span) { _span = span; }
  
    // start and stop weak ref discovery
!   void enable_discovery(bool verify_disabled, bool check_no_refs);
    void disable_discovery()  { _discovering_refs = false; }
    bool discovery_enabled()  { return _discovering_refs;  }
  
    // whether discovery is atomic wrt other collectors
    bool discovery_is_atomic() const { return _discovery_is_atomic; }
--- 424,434 ----
    // get and set span
    MemRegion span()                   { return _span; }
    void      set_span(MemRegion span) { _span = span; }
  
    // start and stop weak ref discovery
!   void enable_discovery(bool check_no_refs = true);
    void disable_discovery()  { _discovering_refs = false; }
    bool discovery_enabled()  { return _discovering_refs;  }
  
    // whether discovery is atomic wrt other collectors
    bool discovery_is_atomic() const { return _discovery_is_atomic; }
*** 515,525 ****
      }
    }
  
    ~NoRefDiscovery() {
      if (_was_discovering_refs) {
!       _rp->enable_discovery(true /*verify_disabled*/, false /*check_no_refs*/);
      }
    }
  };
  
  
--- 502,512 ----
      }
    }
  
    ~NoRefDiscovery() {
      if (_was_discovering_refs) {
!       _rp->enable_discovery(false /*check_no_refs*/);
      }
    }
  };