--- /dev/null
+/*
+ * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TASK_MANAGER_INCLUDE_SHARE_TSKM_UTIL_H_
+#define TASK_MANAGER_INCLUDE_SHARE_TSKM_UTIL_H_
+
+#include "system_service/tskm_local_type.h"
+#include "tskm_main.h"
+
+// inline MACRO
+#define TSKM_ERR_CHK(ret, expect, lavel) \
+ if (ret != expect) {TSKM_ASSERT(0); goto lavel;}
+
+#define TSKM_ERR_CHK_DFT TSKM_ERR_CHK(tskmRet, TSKM_E_OK, ERROR)
+
+#define TSKM_MAX(a, b) ((a) > (b) ? (a) : (b))
+
+#endif // TASK_MANAGER_INCLUDE_SHARE_TSKM_UTIL_H_
+