---
title: arcade_upcall_subsystem
framework: Kernel
role: symbol
platforms: [macOS 10.15+]
path: kernel/arcade_upcall_subsystem-4t8
---

# arcade_upcall_subsystem

## Declaration

```occ
struct arcade_upcall_subsystem {
    ...
};
```

## Topics

### Instance Properties

- [end](kernel/arcade_upcall_subsystem/3281833-end.md)
- [maxsize](kernel/arcade_upcall_subsystem/3281834-maxsize.md)
- [reserved](kernel/arcade_upcall_subsystem/3281835-reserved.md)
- [routine](kernel/arcade_upcall_subsystem/3281836-routine.md)
- [server](kernel/arcade_upcall_subsystem/3281837-server.md)
- [start](kernel/arcade_upcall_subsystem/3281838-start.md)