---
title: eIOAccelSurfaceLockBits
framework: IOKit
role: symbol
role_heading: Enumeration
platforms: [Mac Catalyst 18.4+, macOS 10.3+]
path: iokit/eioaccelsurfacelockbits
---

# eIOAccelSurfaceLockBits

## Declaration

```occ
typedef enum eIOAccelSurfaceLockBits : unsigned int {
    ...
} eIOAccelSurfaceLockBits;
```

## Topics

### Constants

- [kIOAccelSurfaceLockInAccel](iokit/eioaccelsurfacelockbits/kioaccelsurfacelockinaccel.md)
- [kIOAccelSurfaceLockInBacking](iokit/eioaccelsurfacelockbits/kioaccelsurfacelockinbacking.md)
- [kIOAccelSurfaceLockInDontCare](iokit/eioaccelsurfacelockbits/kioaccelsurfacelockindontcare.md)
- [kIOAccelSurfaceLockInMask](iokit/eioaccelsurfacelockbits/kioaccelsurfacelockinmask.md)