JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity))

  {- -------------------------------------------
  (1) (デバッグ用の処理)
      (See: JNIWrapper)
      ---------------------------------------- -}

      JNIWrapper("EnsureLocalCapacity");

  {- -------------------------------------------
  (1) (DTrace のフック点)
      ---------------------------------------- -}

      DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity);

  {- -------------------------------------------
  (1) 引数で指定された容量が 0 以上 MAX_REASONABLE_LOCAL_CAPACITY 以下であれば, 返値は JNI_OK とする.
      そうでなければ, 返値は JNI_ERR とする.
      ---------------------------------------- -}

      jint ret;
      if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) {
        ret = JNI_OK;
      } else {
        ret = JNI_ERR;
      }

  {- -------------------------------------------
  (1) (DTrace のフック点)
      ---------------------------------------- -}

      DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret);

  {- -------------------------------------------
  (1) 結果をリターン
      ---------------------------------------- -}

      return ret;
    JNI_END