container_t process_container = PJ_container_get (instr_process_id(MSG_process_self(), str, len));
type_t type = PJ_type_get ("MSG_PROCESS_STATE", process_container->type);
val_t value = PJ_value_get ("task_execute", type);
container_t process_container = PJ_container_get (instr_process_id(MSG_process_self(), str, len));
type_t type = PJ_type_get ("MSG_PROCESS_STATE", process_container->type);
val_t value = PJ_value_get ("task_execute", type);