---
title: task_test_sync_upcall
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 12.0+]
path: kernel/3753679-task_test_sync_upcall
---

# task_test_sync_upcall

## Declaration

```occ
kern_return_t task_test_sync_upcall(task_t task, mach_port_t port);
```