1 /***********************************************************************/
5 /* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
7 /* Copyright 1996 Institut National de Recherche en Informatique et */
8 /* en Automatique. All rights reserved. This file is distributed */
9 /* under the terms of the GNU Library General Public License, with */
10 /* the special exception on linking described in file ../../LICENSE. */
12 /***********************************************************************/
18 value
caml_gr_sound(value vfreq
, value vdur
)
20 XKeyboardControl kbdcontrol
;
23 kbdcontrol
.bell_pitch
= Int_val(vfreq
);
24 kbdcontrol
.bell_duration
= Int_val(vdur
);
25 XChangeKeyboardControl(caml_gr_display
, KBBellPitch
| KBBellDuration
,
27 XBell(caml_gr_display
, 0);
28 kbdcontrol
.bell_pitch
= -1; /* restore default value */
29 kbdcontrol
.bell_duration
= -1; /* restore default value */
30 XChangeKeyboardControl(caml_gr_display
, KBBellPitch
| KBBellDuration
,
32 XFlush(caml_gr_display
);