lnx_bell.c (1654B)
1 /* 2 * Copyright © 2006 Daniel Stone 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * Author: Daniel Stone <daniel@fooishbar.org> 24 */ 25 26 #ifdef HAVE_XORG_CONFIG_H 27 #include <xorg-config.h> 28 #endif 29 30 #include <sys/ioctl.h> 31 #include <linux/kd.h> 32 33 #include "xf86.h" 34 #include "xf86Priv.h" 35 #include "xf86_OSproc.h" 36 37 void 38 xf86OSRingBell(int loudness, int pitch, int duration) 39 { 40 if (xf86Info.consoleFd == -1 || !pitch || !loudness) 41 return; 42 43 ioctl(xf86Info.consoleFd, KDMKTONE, 44 ((1193190 / pitch) & 0xffff) | 45 (((unsigned long) duration * loudness / 50) << 16)); 46 }