---
title: processor_idle_t
framework: Kernel
role: symbol
role_heading: Type Alias
platforms: [macOS 11.0+]
path: kernel/processor_idle_t
---

# processor_idle_t

## Declaration

```occ
typedef void (*processor_idle_t)(cpu_id_t cpu_id, boolean_t enter, uint64_t *new_timeout_ticks);
```