---
title: "bitwiseXor(_:ordering:)"
framework: synchronization
role: symbol
role_heading: Instance Method
path: "synchronization/atomic/bitwisexor(_:ordering:)-4umey"
---

# bitwiseXor(_:ordering:)

Perform an atomic bitwise XOR operation and return the old and new value, applying the specified memory ordering.

## Declaration

```swift
@discardableResult func bitwiseXor(_ operand: Int, ordering: AtomicUpdateOrdering) -> (oldValue: Int, newValue: Int)
```

## Parameters

- `operand`: An integer value.
- `ordering`: The memory ordering to apply on this operation.

## Return Value

Return Value A tuple containing the original value before the operation and the new value after the operation.