src/os/windows/vm/os_windows.hpp

*** 115,124 ****
--- 115,135 ----
    static address fast_jni_accessor_wrapper(BasicType);
  #endif
  
    // filter function to ignore faults on serializations page
    static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e);
+ 
+   // Fast access to current thread
+ protected:
+   static int _thread_ptr_offset;
+ private:
+   static void initialize_thread_ptr_offset();
+ public:
+   static inline void set_thread_ptr_offset(int offset) {
+     _thread_ptr_offset = offset; 
+   }
+   static inline int get_thread_ptr_offset() { return _thread_ptr_offset; }
  };
  
  /*
   * Crash protection for the watcher thread. Wrap the callback
   * with a __try { call() }