{   The purpose of this request is to process signals sent from one task
{ to another by the nos/ve interactive facility routines.  The tasks involved
{ are:
{     - interactive executive (one per system)
{     - job monitor (one per job)
{     - user tasks (n per job)
{
{        IFP$HANDLE_SIGNAL (ORIGINATOR, SIGNAL)
{
{ ORIGINATOR: (input) This parameter specifies the sender of the signal.
{
{ SIGNAL: (input) This parameter specifies the received signal.
{
