---
title: IOServiceStateNotificationDispatchSource
framework: driverkit
role: symbol
role_heading: Class
path: driverkit/ioservicestatenotificationdispatchsource
---

# IOServiceStateNotificationDispatchSource

## Declaration

```occ
class IOServiceStateNotificationDispatchSource;
```

## Topics

### Instance Methods

- [Cancel](driverkit/ioservicestatenotificationdispatchsource/cancel.md)
- [SetEnableWithCompletion](driverkit/ioservicestatenotificationdispatchsource/setenablewithcompletion.md)
- [SetHandler](driverkit/ioservicestatenotificationdispatchsource/sethandler.md)
- [StateNotificationBegin](driverkit/ioservicestatenotificationdispatchsource/statenotificationbegin.md)
- [StateNotificationReady](driverkit/ioservicestatenotificationdispatchsource/statenotificationready.md)
- [free](driverkit/ioservicestatenotificationdispatchsource/free.md)
- [init](driverkit/ioservicestatenotificationdispatchsource/init.md)

### Type Methods

- [Create](driverkit/ioservicestatenotificationdispatchsource/create.md)

## Relationships

### Inherits From

- [IODispatchSource](driverkit/iodispatchsource.md)

## See Also

### Classes

- [IOHistogramReporter](driverkit/iohistogramreporter.md)
- [IOReportLegend](driverkit/ioreportlegend.md)
- [IOReporter](driverkit/ioreporter.md)
- [IOSimpleReporter](driverkit/iosimplereporter.md)
- [IOStateReporter](driverkit/iostatereporter.md)
- [OSBundle](driverkit/osbundle.md)
- [OSMappedFile](driverkit/osmappedfile.md)