---
title: OSActionCancelHandler
framework: kernel
role: symbol
role_heading: Type Alias
path: kernel/osactioncancelhandler
---

# OSActionCancelHandler

## Declaration

```occ
typedef void (^OSActionCancelHandler)(void);
```

## See Also

### Callback Methods

- [OSActionAbortedHandler](kernel/osactionabortedhandler.md)
- [OSDispatchMethod](kernel/osdispatchmethod.md)
- [OSKextRequestResourceCallback](kernel/oskextrequestresourcecallback.md)
- [OSObjectApplierFunction](kernel/osobjectapplierfunction.md)
- [OSSerializerBlock](kernel/osserializerblock.md)
- [OSSerializerCallback](kernel/osserializercallback.md)