---
title: iocompressionstats_notification_server
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 11.3+]
path: kernel/3727970-iocompressionstats_notification_
---

# iocompressionstats_notification_server

## Declaration

```occ
boolean_t iocompressionstats_notification_server(mach_msg_header_t *InHeadP, mach_msg_header_t *OutHeadP);
```