[Xcb] xcb_set_screen_saver weird behavior

[Josh Triplett]

On Tue, Mar 11, 2014 at 12:32:58AM +0900, Philip Rushik wrote:
> I also see this struct in xcb/xproto.h
> 
> typedef struct xcb_set_screen_saver_request_t {
>     uint8_t  major_opcode; /**<  */
>     uint8_t  pad0; /**<  */
>     uint16_t length; /**<  */
>     int16_t  timeout; /**<  */
>     int16_t  interval; /**<  */
>     uint8_t  prefer_blanking; /**<  */
>     uint8_t  allow_exposures; /**<  */
> } xcb_set_screen_saver_request_t;
> 
> Although I can't figure out how or where it is meant to be used as this
> seems to be the only reference to it.
> 
> Anybody know what is happening here? What do the parameters of
> xcb_set_screen_saver mean? Is that struct defined but never used?

To answer your last question: that struct defines the layout of the
corresponding X11 request on the wire.  It gets used in the generated
code of xcb_set_screen_saver.

- Josh Triplett