Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_HINT_JOYSTICK_THREAD - A variable controlling whether a separate thread should be used for handling
joystick detection and raw input messages on Windows.
SYNOPSIS
#include <SDL3/SDL_hints.h>
#define SDL_HINT_JOYSTICK_THREAD "SDL_JOYSTICK_THREAD"
DESCRIPTION
The variable can be set to the following values:
• "0": A separate thread is not used.
• "1": A separate thread is used for handling raw input messages. (default)
This hint should be set before SDL is initialized.
AVAILABILITY
This hint is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_HINT_JOYSTICK_THREAD(3)