
{
{   The purpose of this request is to send a task orginated signal to
{ another task.  The other task must be known, otherwise the request
{ is in error. If the recipient task is in another job, the request
{ must be issued from ring 1, otherwise the request is in error.
{
{   The signal handler, corresponding to signal_id, is guaranteed to
{ preempt any non-NOS/VE code in the recipent task.
{
{   **** This request DOES NOT issue a PMP$WAIT request. ****
{
{       PMP$SEND_SIGNAL (RECIPIENT, SIGNAL, STATUS)
{
{ RECIPIENT: (input) This parameter specifies the task to be signaled.
{
{ SIGNAL: (input) This parameter specifies the signal to be sent to the
{       recipient task.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITION: pme$invalid_task_origin_signal,
{                  pme$invalid_identifier,
{                  pme$unknown_recipient_task,
{                  pme$insufficient_privilege.
{       IDENTIFIER: pmc$program_management_id.
{
