src/hotspot/share/runtime/safepoint.hpp

rev 47589 : Introduce SafepointMechanism

*** 157,177 ****
    // Query
    inline static bool is_at_safepoint()   { return _state == _synchronized;  }
    inline static bool is_synchronizing()  { return _state == _synchronizing;  }
    inline static int safepoint_counter()  { return _safepoint_counter; }
  
-   inline static bool do_call_back() {
-     return (_state != _not_synchronized);
-   }
- 
    inline static void increment_jni_active_count() {
      assert_locked_or_safepoint(Safepoint_lock);
      _current_jni_active_count++;
    }
  
    // Called when a thread voluntarily blocks
    static void   block(JavaThread *thread);
    static void   signal_thread_at_safepoint()              { _waiting_to_block--; }
  
    // Exception handling for page polling
    static void handle_polling_page_exception(JavaThread *thread);
  
--- 157,182 ----
    // Query
    inline static bool is_at_safepoint()   { return _state == _synchronized;  }
    inline static bool is_synchronizing()  { return _state == _synchronizing;  }
    inline static int safepoint_counter()  { return _safepoint_counter; }
  
    inline static void increment_jni_active_count() {
      assert_locked_or_safepoint(Safepoint_lock);
      _current_jni_active_count++;
    }
  
+ private:
+   inline static bool do_call_back() {
+     return (_state != _not_synchronized);
+   }
+ 
    // Called when a thread voluntarily blocks
    static void   block(JavaThread *thread);
+ 
+   friend class SafepointMechanism;
+ 
+ public:
    static void   signal_thread_at_safepoint()              { _waiting_to_block--; }
  
    // Exception handling for page polling
    static void handle_polling_page_exception(JavaThread *thread);