---
name: "al_create_thread_with_stacksize"
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_create_thread_with_stacksize"
---

# al\_create\_thread\_with\_stacksize(3)

Allegro 5 API

## NAME

al\_create\_thread\_with\_stacksize - Allegro 5 API

## SYNOPSIS

-

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

## DESCRIPTION

Spawn a new thread with the give stacksize in bytes 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.

## SINCE

5\.2.5

*\[Unstable API\]:* New API, may want a better way to specify thread options.

## SEE ALSO

[al\_start\_thread(3)](/al_start_thread/3.md), [al\_join\_thread(3)](/al_join_thread/3.md).