iokit/Kernel/IOService.cpp

1519         willNotify = (0 != (kIOServiceNotifyEnable & notify->state));
1682         notify->state = kIOServiceNotifyEnable;
1786     state &= ~kIOServiceNotifyEnable;
1801     ret = (0 != (kIOServiceNotifyEnable & state));
1802     state &= ~kIOServiceNotifyEnable;
1815         state |= kIOServiceNotifyEnable;
1817         state &= ~kIOServiceNotifyEnable;
2873     willNotify = (0 != (kIOServiceNotifyEnable & notify->state));
3434                          && (kIOServiceNotifyEnable & notify->state))
4093 	notify->state = kIOServiceNotifyEnable;
4357                   && (kIOServiceNotifyEnable & notify->state)) {
4564     state &= ~kIOServiceNotifyEnable;
4579     ret = (0 != (kIOServiceNotifyEnable & state));
4580     state &= ~kIOServiceNotifyEnable;
4593         state |= kIOServiceNotifyEnable;
4595         state &= ~kIOServiceNotifyEnable;