vblank_toctou.c:52:18: warning: 'hpos' defined but not used [-Wunused-variable]
 static int vpos, hpos;  /* filled by the fake get_scanout_position */
                  ^~~~
vblank_toctou.c:52:12: warning: 'vpos' defined but not used [-Wunused-variable]
 static int vpos, hpos;  /* filled by the fake get_scanout_position */
            ^~~~
BUILD_EXIT=0
-rwxr-xr-x  1 maxx  wheel  9744 Sep 18 17:27 vblank_toctou