QUE_BUSY_COMMAND
rval = QUE_BUSY_COMMAND;
rval = QUE_BUSY_COMMAND;
rval = QUE_BUSY_COMMAND;
action = QUE_BUSY_COMMAND;
case QUE_BUSY_COMMAND:
if (action != QUE_BUSY_COMMAND && action != QUE_COMMAND) {
case QUE_BUSY_COMMAND: