---
title: sendDataAvailableNotification
framework: kernel
role: pseudoSymbol
path: kernel/iodataqueue/1810980-senddataavailablenotification
---

# sendDataAvailableNotification

Sends a dataAvailableNotification message to the specified mach port.

## Declaration

```occ
virtual void sendDataAvailableNotification(); 
```

## Overview

Overview This method sends a message to the mach port passed to setNotificationPort(). It is used to indicate that data is available in the queue.

## See Also

### Miscellaneous

- [enqueue](kernel/iodataqueue/1810927-enqueue.md)
- [getMemoryDescriptor](kernel/iodataqueue/1810939-getmemorydescriptor.md)
- [initWithCapacity](kernel/iodataqueue/1810950-initwithcapacity.md)
- [initWithEntries](kernel/iodataqueue/1810963-initwithentries.md)
- [setNotificationPort](kernel/iodataqueue/1810994-setnotificationport.md)
- [withCapacity](kernel/iodataqueue/1811001-withcapacity.md)
- [withEntries](kernel/iodataqueue/1811020-withentries.md)