---
title: OSAddAtomic64
framework: kernel
role: symbol
role_heading: Function
path: kernel/1576451-osaddatomic64
---

# OSAddAtomic64

64-bit atomic add operation.

## Declaration

```occ
SInt64 OSAddAtomic64(SInt64 theAmount, volatile SInt64 *address);
```

## Discussion

Discussion See OSAddAtomic.

## See Also

### Additions

- [OSAddAtomic](kernel/1576452-osaddatomic.md)
- [OSAddAtomic8](kernel/1576483-osaddatomic8.md)
- [OSAddAtomic16](kernel/1576475-osaddatomic16.md)