---
name: "al_destroy_mutex"
section: "3"
platform: "linux"
package: "allegro"
version: "5.2.11.3-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/al_destroy_mutex"
---

# al\_destroy\_mutex(3)

Allegro 5 API

## NAME

al\_destroy\_mutex - Allegro 5 API

## SYNOPSIS

-

  ```
  #include <allegro5/allegro.h>
  void al_destroy_mutex(ALLEGRO_MUTEX *mutex)
  ```

## DESCRIPTION

Free the resources used by the mutex. The mutex should be unlocked. Destroying a locked mutex results in undefined behaviour.

Does nothing if `mutex` is `NULL`.