---
title: nowInProgress
framework: system
role: symbol
role_heading: Type Property
path: system/errno/nowinprogress
---

# nowInProgress

Operation now in progress.

## Declaration

```swift
static var nowInProgress: Errno { get }
```

## Mentioned in

Adopting Swift Error Constants

## Discussion

Discussion You attempted an operation that takes a long time to complete, such as connect(2) or connectx(2), on a nonblocking object. See also fcntl(2). The corresponding C error is EINPROGRESS.

## See Also

### System Call Errors

- [alreadyInProcess](system/errno/alreadyinprocess.md)
- [badAddress](system/errno/badaddress.md)
- [interrupted](system/errno/interrupted.md)
- [invalidArgument](system/errno/invalidargument.md)
- [noFunction](system/errno/nofunction.md)
- [resourceBusy](system/errno/resourcebusy.md)
- [resourceTemporarilyUnavailable](system/errno/resourcetemporarilyunavailable.md)