---
title: vfs_set_thread_fs_private
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 11.3+]
path: kernel/3736299-vfs_set_thread_fs_private
---

# vfs_set_thread_fs_private

## Declaration

```occ
int vfs_set_thread_fs_private(uint8_t tag, uint64_t fs_private);
```