---
title: free
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iointerruptdispatchsource/3438202-free
---

# free

Performs any final cleanup for the dispatch source.

## Declaration

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

## See Also

### Configuring the Interrupt Source

- [SetHandler](driverkit/iointerruptdispatchsource/sethandler.md)
- [Create](kernel/iointerruptdispatchsource/3438201-create.md)
- [init](kernel/iointerruptdispatchsource/3438203-init.md)