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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2018 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
synchronousBeep (BeepFrequency frequency, BeepDuration duration) {
asynchronousBeep (BeepFrequency frequency, BeepDuration duration) {
FILE *console = getConsole();
if (console) {
bell.pitch = frequency;
bell.volume = 100;
bell.which = WSKBD_BELL_DOALL;
if (ioctl(fileno(console), WSKBDIO_COMPLEXBELL, &bell) != -1) return 1;
logSystemError("ioctl WSKBDIO_COMPLEXBELL");
return 0;
}
int
stopBeep (void) {
FILE *console = getConsole();
if (console) {
struct wskbd_bell_data bell;
bell.which = WSKBD_BELL_DOVOLUME | WSKBD_BELL_DOPERIOD;
bell.volume = 0;
bell.period = 0;
if (ioctl(fileno(console), WSKBDIO_COMPLEXBELL, &bell) != -1) return 1;
logSystemError("ioctl WSKBDIO_COMPLEXBELL");
}
return 0;
}
void
endBeep (void) {
}