# SDL_SetLinuxThreadPriority Sets the UNIX nice value for a thread. ## Header File Defined in [<SDL3/SDL_system.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_system.h) ## Syntax ```c bool SDL_SetLinuxThreadPriority(Sint64 threadID, int priority); ``` ## Function Parameters | | | | | ---------------- | ------------ | ----------------------------------------- | | [Sint64](Sint64) | **threadID** | the Unix thread ID to change priority of. | | int | **priority** | the new, Unix-specific, priority value. | ## Return Value (bool) Returns true on success or false on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks This uses setpriority() if possible, and RealtimeKit if available. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategorySystem](CategorySystem)