
{   The purpose of this request is to physically enable communication, signals,
{ system flags, and monitor faults, from monitor to the requesting task.
{
{   CAUTION: This request must not be issued prior to establishing the
{            task private segment.  Any non-stackable monitor fault or UCR
{            condition occuring before this request is issued will result
{            in a broken task.
{
{       TMP$ENABLE_PREEMPTIVE
{
