---
title: unlock()
framework: os
role: symbol
role_heading: Instance Method
path: os/osallocatedunfairlock/unlock()
---

# unlock()

Ends the lock.

## Declaration

```swift
func unlock()
```

## See Also

### Using locks

- [lock()](os/osallocatedunfairlock/lock().md)
- [lockIfAvailable()](os/osallocatedunfairlock/lockifavailable().md)