MPI2_FUNCTION_EVENT_NOTIFICATION
if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
case MPI2_FUNCTION_EVENT_NOTIFICATION:
event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;