---
title: kCallInterfaceOpenWithGate
framework: IOKit
role: symbol
role_heading: Macro
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/kcallinterfaceopenwithgate
---

# kCallInterfaceOpenWithGate

## Declaration

```occ
#define kCallInterfaceOpenWithGate
```

## Discussion

Discussion If the USB Device has this property, drivers for any of its interfaces will have their handleOpen method called while holding the workloop gate.