= SDL_hid_set_nonblocking = Set the device handle to be non-blocking. == Syntax == int SDL_hid_set_nonblocking(SDL_hid_device *dev, int nonblock); == Function Parameters == {| |'''dev''' |A device handle returned from [[SDL_hid_open]](). |- |'''nonblock''' |enable or not the nonblocking reads - 1 to enable nonblocking - 0 to disable nonblocking. |} == Return Value == Returns 0 on success and -1 on error. == Remarks == In non-blocking mode calls to [[SDL_hid_read]]() will return immediately with a value of 0 if there is no data to be read. In blocking mode, [[SDL_hid_read]]() will wait (block) until there is data to read before returning. Nonblocking can be turned on and off at any time. == Version == This function is available since SDL 2.0.18. ---- [[CategoryAPI]]