(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_GetCurrentThreadID

Get the thread identifier for the current thread.

Header File

Syntax

SDL_ThreadID SDL_GetCurrentThreadID(void);

Return Value

(SDL_ThreadID) Returns the ID of the current thread.

Remarks

This thread identifier is as reported by the underlying operating system. If SDL is running on a platform that does not support threads the return value will always be zero.

This function also returns a valid thread ID when called from the main thread.

Version

This function is available since SDL 3.1.3.