---
title: kIOAccelSurfaceReadLock
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.1+]
path: kernel/eioaccelsurfacemethods/kioaccelsurfacereadlock
---

# kIOAccelSurfaceReadLock

## Declaration

```occ
kIOAccelSurfaceReadLock
```