{
{   The purpose of this request is to post a signal that could not be
{ sent to the recipient because the recipient was rolled-out or the
{ signal buffer was full.
{
{       TMP$POST_MAINFRAME_SIGNAL (RECIPIENT, SIGNAL, STATUS)
{
{ RECIPIENT: (input) This parameter specifies the recipient task.
{
{ SIGNAL: (input) This parameter specifies the signal to be posted.
{
{ STATUS: This parameter specifies the request status.
{       CONDITION: ose$mainframe_pageable_full.
{       IDENTIFIER: pmc$program_management_id.
{
{
