---
title: task_register_hardened_exception_handler
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 15.0+]
path: kernel/4360028-task_register_hardened_exception
---

# task_register_hardened_exception_handler

## Declaration

```occ
kern_return_t task_register_hardened_exception_handler(task_t task, uint32_t signed_pc_key, exception_mask_t exceptions_allowed, exception_behavior_t behaviors_allowed, thread_state_flavor_t flavors_allowed, mach_port_t new_exception_port);
```