TM_NONE
if (task->task_mgmt_function != TM_NONE) {
if (task->task_mgmt_function == TM_NONE) {
if (st->task_mgmt_function != TM_NONE) {
task->task_mgmt_function = TM_NONE;
ASSERT(task->task_mgmt_function == TM_NONE);
iu->iu_stmf_task->task_mgmt_function = TM_NONE;