exec-task <<exec-task-name>> { period: <number>; delay: <number>; priority: <<number>>; stack_size: <<number>>; c_init_func: <codel>; c_end_func: <codel>; c_func: <codel>; cs_client_from: <module-name>, ...; poster_client_from: <module-name>::<poster-name>, ...; fail_msg: <msg-name>, ...; }