---
name: "al_create_thread"
section: "3alleg5"
platform: "linux"
package: "allegro5-doc"
version: "2:5.2.10.1+dfsg-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/al_create_thread/3alleg5"
---

# al\_create\_thread(3alleg5)

Allegro 5 API

## NAME

al\_create\_thread - Allegro 5 API

## SYNOPSIS

-

  ```
  #include <allegro5/allegro.h>
  ALLEGRO_THREAD *al_create_thread(
     void *(*proc)(ALLEGRO_THREAD *thread, void *arg), void *arg)
  ```

## DESCRIPTION

Spawn a new thread which begins executing `proc`. The new thread is passed its own thread handle and the value `arg`.

Returns a pointer to the thread on success. Otherwise, returns NULL if there was an error.

## SEE ALSO

al\_start\_thread(3alleg5), al\_join\_thread(3alleg5).