---
name: "SDL_ThreadID"
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_ThreadID/3type"
---

# SDL\_ThreadID(3type)

A unique numeric ID that identifies a thread.

## NAME

SDL\_ThreadID - A unique numeric ID that identifies a thread.

## HEADER FILE

Defined in SDL3/SDL\_thread.h

## SYNOPSIS

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

**typedef Uint64 SDL\_ThreadID;**

## DESCRIPTION

These are different from  **SDL\_Thread**\
  objects, which are generally what an application will operate on, but having a way to uniquely identify a thread can be useful at times.

## AVAILABILITY

This datatype is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_GetThreadID**(3)](/SDL_GetThreadID/3.md), **•**(3), [**SDL\_GetCurrentThreadID**(3)](/SDL_GetCurrentThreadID/3.md)