---
name: "SDL_Mutex"
section: "3type"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_Mutex"
---

# SDL\_Mutex(3type)

A means to serialize access to a resource between threads.

## NAME

SDL\_Mutex - A means to serialize access to a resource between threads.

## HEADER FILE

Defined in SDL3/SDL\_mutex.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**typedef struct SDL\_Mutex SDL\_Mutex;**

## DESCRIPTION

Mutexes (short for "mutual exclusion") are a synchronization primitive that allows exactly one thread to proceed at a time.

Wikipedia has a thorough explanation of the concept:

https://en.wikipedia.org/wiki/Mutex

## AVAILABILITY

This struct is available since SDL 3.2.0.