1 /******************************************************************************/
2 /* */
3 /* Copyright (c) International Business Machines Corp., 2001 */
4 /* Jan 8 2003 - Created - Manoj Iyer manjo@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 */
main(int argc,char * argv[])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