---
title: OSAllocatedUnfairLock.Ownership
framework: os
role: symbol
role_heading: Enumeration
path: os/osallocatedunfairlock/ownership
---

# OSAllocatedUnfairLock.Ownership

An enumeration that represents the ownership status of an unfair lock.

## Declaration

```swift
@frozen enum Ownership
```

## Topics

### Specifying ownership

- [OSAllocatedUnfairLock.Ownership.owner](os/osallocatedunfairlock/ownership/owner.md)
- [OSAllocatedUnfairLock.Ownership.notOwner](os/osallocatedunfairlock/ownership/notowner.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Copyable](swift/copyable.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Determining lock ownership

- [precondition(_:)](os/osallocatedunfairlock/precondition(_:).md)