RTS_WPUT_PENDING
if (rts->rts_flag & (RTS_WPUT_PENDING)) {
rts->rts_flag &= ~RTS_WPUT_PENDING;
rts->rts_flag |= RTS_WPUT_PENDING;
while (rts->rts_flag & RTS_WPUT_PENDING)
rts->rts_flag &= ~(RTS_WPUT_PENDING | RTS_WRW_PENDING);
if (rts->rts_flag & RTS_WPUT_PENDING) {
rts->rts_flag &= ~RTS_WPUT_PENDING;