src/share/native/common/jni_util.h

@@ -276,10 +276,42 @@
  */
 
 #define IS_NULL(obj) ((obj) == NULL)
 #define JNU_IsNull(env,obj) ((obj) == NULL)
 
+/************************************************************************
+ * Miscellaneous utilities used by the class libraries to return from
+ * a function if a value is NULL or an exception is pending.
+ */
+
+#define CHECK_NULL(x)                           \
+    do {                                        \
+        if ((x) == NULL) {                      \
+            return;                             \
+        }                                       \
+    } while (0)                                 \
+
+#define CHECK_NULL_RETURN(x, y)                 \
+    do {                                        \
+        if ((x) == NULL) {                      \
+            return (y);                         \
+        }                                       \
+    } while (0)                                 \
+
+#define JNU_CHECK_EXCEPTION(env)                \
+    do {                                        \
+        if ((*env)->ExceptionCheck(env)) {      \
+            return;                             \
+        }                                       \
+    } while (0)                                 \
+
+#define JNU_CHECK_EXCEPTION_RETURN(env, y)      \
+    do {                                        \
+        if ((*env)->ExceptionCheck(env)) {      \
+            return (y);                         \
+        }                                       \
+    } while (0)
 
 /************************************************************************
  * Debugging utilities
  */