
{
{    The purpose of this request is suspend execution of the requesting
{  task until the completion of one of the specified activities.
{
{      OSP$AWAIT_ACTIVITY (WAIT_LIST, READY_INDEX, COMPLETE, STATUS)
{
{  WAIT_LIST: (input) This parameter specifies the activities that the
{        task is awaiting completion.  The activity, osc$null_activity, can
{        be used as a filler to manage the list of activities.
{
{  READY_INDEX: (output) This parameter specifies the activity in the
{      WAIT_LIST which caused the task to resume execution.
{
{  COMPLETE: (output) This parameter specifies whether the request completed
{       or the request was interrupted and must be re-issued.
{
{  STATUS: (output) This parameter specifies the request status.
{       CONDITION: ose$incorrect_activity.
{       IDENTIFIER: 'OS'.
{
{       CONDITION: pme$unknown_queue_identifier, pme$usage_bracket_error.
{       IDENTIFIER: pmc$program_management_id.
{
