_IDLE
static int _rpcsvcstate = _IDLE; /* Set when a request is serviced */
if (_rpcsvcstate == _IDLE) {
_rpcsvcstate = _IDLE;
_rpcsvcstate = _IDLE;
if (_rpcsvcstate == _IDLE) {
if (_rpcsvcstate == _IDLE) {
_rpcsvcstate = _IDLE;
if (_rpcsvcstate == _IDLE) {
_rpcsvcstate = _IDLE;