---
title: kIOAccelSurfaceReadLockOptions
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.3+]
path: kernel/eioaccelsurfacemethods/kioaccelsurfacereadlockoptions
---

# kIOAccelSurfaceReadLockOptions

## Declaration

```occ
kIOAccelSurfaceReadLockOptions
```