{
{  This request is used to either define the requesting task as a
{  specific special system task or it is used to perform a ready_task
{  on a task already defined as the desired system task.
{
{  TYPE
{    TMT$RB_MANAGE_SYSTEM_TASKS = RECORD
{      REQCODE,
{      STATUS,
{      STID,
{      SAVE_TASK_ID,
{      CRITICAL_TASK,
{    RECEND;
{
{  REQCODE: (input) The value of this parameter is SYC$RC_MANAGE_SYSTEM_TASKS.
{
{  STATUS: (output) This parameter is the standard monitor status.
{
{  STID: (input) This parameter specifies the desired system task id.
{
{  SAVE_TASK_ID: (input) This parameter specifies that the requesting task
{         wishes to be defined as a system task if TRUE, or that the specified
{         system task should be made ready via a ready_task.
{
{  CRITICAL_TASK: (input) This parameter specifies that the system task being
{       defined is a critical task and if it should fail NOS/ve should halt.
