## Type: SB-THREAD::SPINLOCK
[![package](https://img.shields.io/badge/Package-SB--THREAD-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Type-5f9ea0.svg?style=social&colorA=999999)](../#type) 

> The type SB-THREAD::SPINLOCK has been deprecated as of SBCL version 1.0.53.11.
> 
> Use SB-THREAD:MUTEX instead.
> 
> Spinlock type.