---
title: free
framework: driverkit
role: symbol
role_heading: Instance Method
path: driverkit/iointerruptdispatchsource/free
---

# free

Performs any final cleanup for the dispatch source.

## Declaration

```occ
virtual void free();
```

## See Also

### Configuring the Interrupt Source

- [Create](driverkit/iointerruptdispatchsource/create.md)
- [init](driverkit/iointerruptdispatchsource/init.md)
- [SetHandler](driverkit/iointerruptdispatchsource/sethandler.md)