---
title: catch_mach_exc_subsystem
framework: Kernel
role: symbol
role_heading: Global Variable
platforms: [macOS 10.6+]
path: kernel/catch_mach_exc_subsystem
---

# catch_mach_exc_subsystem

## Declaration

```occ
const struct catch_mach_exc_subsystem catch_mach_exc_subsystem;
```