---
title: SO_TRACKER_ATTRIBUTE_INVALID
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 12.0+]
path: kernel/so_tracker_attribute/so_tracker_attribute_invalid
---

# SO_TRACKER_ATTRIBUTE_INVALID

## Declaration

```occ
SO_TRACKER_ATTRIBUTE_INVALID = 0
```