src/share/vm/runtime/thread.hpp

rev 6562 : 8043224: -Xcheck:jni improvements to exception checking and excessive local refs
Summary: Warning when not checking exceptions from function that require so, also when local refs expand beyond capacity.
Reviewed-by: zgu, coleenp, hseigel

*** 913,922 ****
--- 913,925 ----
    volatile int     _is_method_handle_return;     // true (== 1) if the current exception PC is a MethodHandle call site.
  
    // support for JNI critical regions
    jint    _jni_active_critical;                  // count of entries into JNI critical region
  
+   // Checked JNI: function name requires exception check
+   char* _pending_jni_exception_check_fn;
+ 
    // For deadlock detection.
    int _depth_first_number;
  
    // JVMTI PopFrame support
    // This is set to popframe_pending to signal that top Java frame should be popped immediately
*** 1398,1407 ****
--- 1401,1416 ----
                                   "this must be current thread");
                            _jni_active_critical--;
                            assert(_jni_active_critical >= 0,
                                   "JNI critical nesting problem?"); }
  
+   // Checked JNI, is the programmer required to check for exceptions, specify which function name
+   bool is_pending_jni_exception_check() const { return _pending_jni_exception_check_fn != NULL; }
+   void clear_pending_jni_exception_check() { _pending_jni_exception_check_fn = NULL; }
+   const char* get_pending_jni_exception_check() const { return _pending_jni_exception_check_fn; }
+   void set_pending_jni_exception_check(const char* fn_name) { _pending_jni_exception_check_fn = (char*) fn_name; }
+ 
    // For deadlock detection
    int depth_first_number() { return _depth_first_number; }
    void set_depth_first_number(int dfn) { _depth_first_number = dfn; }
  
   private: