---
title: kIOStorageSynchronizeOptionBarrier
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1644753-anonymous/kiostoragesynchronizeoptionbarrier
---

# kIOStorageSynchronizeOptionBarrier

## Declaration

```occ
kIOStorageSynchronizeOptionBarrier = 0x00000002
```