/*
 * Copyright (C) 2002 Philip Blundell <philb@gnu.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>

#include <X11/Xlib.h>
#include <X11/Xatom.h>

int
main (int argc, char *argv[])
{
  char b = 1;
  Atom atom;
  Display *dpy;
  Window root;

  if ((dpy = XOpenDisplay (NULL)) == NULL)
    {
      fprintf (stderr, "Cannot connect to X server.");
      exit (1);
    }
  
  root = RootWindow (dpy, 0);
  atom = XInternAtom (dpy, "GPE_DISPLAY_LOCKED", 0);
  
  XChangeProperty (dpy, root, atom, XA_INTEGER, 8, PropModeReplace, &b, 1);
  
  XCloseDisplay (dpy);
      
  exit (0);
}