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/***********************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../../LICENSE. */
/* */
/***********************************************************************/
#include "libgraph.h"
value caml_gr_sound(value vfreq, value vdur)
{
XKeyboardControl kbdcontrol;
caml_gr_check_open();
kbdcontrol.bell_pitch = Int_val(vfreq);
kbdcontrol.bell_duration = Int_val(vdur);
XChangeKeyboardControl(caml_gr_display, KBBellPitch | KBBellDuration,
&kbdcontrol);
XBell(caml_gr_display, 0);
kbdcontrol.bell_pitch = -1; /* restore default value */
kbdcontrol.bell_duration = -1; /* restore default value */
XChangeKeyboardControl(caml_gr_display, KBBellPitch | KBBellDuration,
&kbdcontrol);
XFlush(caml_gr_display);
return Val_unit;
}
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