1 /******************************************************************************/ 2 /* */ 3 /* Copyright (c) International Business Machines Corp., 2001 */ 4 /* Jan 8 2003 - Created - Manoj Iyer manjo (at) mail.utexas.edu */ 5 /* */ 6 /* This program is free software; you can redistribute it and/or modify */ 7 /* it under the terms of the GNU General Public License as published by */ 8 /* the Free Software Foundation; either version 2 of the License, or */ 9 /* (at your option) any later version. */ 10 /* */ 11 /* This program is distributed in the hope that it will be useful, but */ 12 /* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY */ 13 /* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License */ 14 /* for more details. */ 15 /* */ 16 /* You should have received a copy of the GNU General Public License */ 17 /* along with this program; if not, write to the Free Software Foundation, */ 18 /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ 19 /******************************************************************************/ 20 21 /* 22 * 23 * Description: This program checks the status of the cdrom drive, it will 24 * return the status as to if the cdrom device is open or is 25 * ready for use. 26 */ 27 28 #include <sys/stat.h> 29 #include <fcntl.h> 30 #include <linux/cdrom.h> 31 #include <sys/ioctl.h> 32 #include <stdlib.h> 33 34 /* 35 * Exit Vaules: 36 * 0 - No information. 37 * 1 - No disk in the drive. 38 * 2 - CD tray is open. 39 * 3 - CD drive not ready. 40 * 4 - CD disk in drive & drive closed. 41 */ 42 int main(int argc, char *argv[]) 43 { 44 int fd; 45 46 if (argc != 2) 47 exit(-1); 48 49 if ((fd = open(argv[1], O_RDONLY | O_NONBLOCK)) == -1) 50 exit(-2); 51 52 exit(ioctl(fd, CDROM_DRIVE_STATUS)); 53 } 54
