# SDL_TLSCleanup Cleanup all TLS data for this thread. ## Header File Defined in [SDL_thread.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_thread.h) ## Syntax ```c void SDL_TLSCleanup(void); ``` ## Version This function is available since SDL 2.0.16. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryThread](CategoryThread)