---
title: CFStreamStatus.opening
framework: corefoundation
role: symbol
role_heading: Case
path: corefoundation/cfstreamstatus/opening
---

# CFStreamStatus.opening

The stream is being opened for reading or for writing.

## Declaration

```swift
case opening
```

## See Also

### Constants

- [CFStreamStatus.notOpen](corefoundation/cfstreamstatus/notopen.md)
- [CFStreamStatus.open](corefoundation/cfstreamstatus/open.md)
- [CFStreamStatus.reading](corefoundation/cfstreamstatus/reading.md)
- [CFStreamStatus.writing](corefoundation/cfstreamstatus/writing.md)
- [CFStreamStatus.atEnd](corefoundation/cfstreamstatus/atend.md)
- [CFStreamStatus.closed](corefoundation/cfstreamstatus/closed.md)
- [CFStreamStatus.error](corefoundation/cfstreamstatus/error.md)