2 * eject implementation for busybox
4 * Copyright (C) 2004 Peter Willis <psyphreak@phreaker.net>
5 * Copyright (C) 2005 Tito Ragusa <farmatito@tiscali.it>
7 * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
12 * This is a simple hack of eject based on something Erik posted in #uclibc.
13 * Most of the dirty work blatantly ripped off from cat.c =)
17 #include <sys/ioctl.h>
19 #include <sys/mount.h>
23 /* various defines swiped from linux/cdrom.h */
24 #define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */
25 #define CDROMEJECT 0x5309 /* Ejects the cdrom media */
26 #define DEFAULT_CDROM "/dev/cdrom"
28 int eject_main(int argc, char **argv)
34 flags = bb_getopt_ulflags(argc, argv, "t");
35 device = argv[optind] ? : DEFAULT_CDROM;
37 if ((m = find_mount_point(device, bb_path_mtab_file))) {
38 if (umount(m->mnt_dir)) {
39 bb_error_msg_and_die("Can't umount");
40 } else if (ENABLE_FEATURE_MTAB_SUPPORT) {
41 erase_mtab(m->mnt_fsname);
44 if (ioctl(bb_xopen(device, (O_RDONLY | O_NONBLOCK)),
45 (flags ? CDROMCLOSETRAY : CDROMEJECT))) {
46 bb_perror_msg_and_die("%s", device);
48 return (EXIT_SUCCESS);