1 /*****************************************************************************
2 * intf_eject.c: CD/DVD-ROM ejection handling functions
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: intf_eject.c,v 1.10 2002/05/06 22:59:46 massiot Exp $
7 * Author: Julien Blache <jb@technologeek.org> for the Linux part
8 * with code taken from the Linux "eject" command
9 * Jon Lech Johanson <jon-vl@nanocrew.net> for Darwin
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
26 #include <videolan/vlc.h>
45 #if defined(SYS_LINUX) && defined(HAVE_LINUX_VERSION_H)
46 # include <linux/version.h>
47 /* handy macro found in 2.1 kernels, but not in older ones */
48 # ifndef KERNEL_VERSION
49 # define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
52 # include <sys/types.h>
53 # include <sys/stat.h>
54 # include <sys/ioctl.h>
56 # include <sys/ioctl.h>
57 # include <sys/mount.h>
59 # include <linux/cdrom.h>
60 # if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0)
61 # include <linux/ucdrom.h>
64 # include <scsi/scsi.h>
66 # include <scsi/scsi_ioctl.h>
69 /*****************************************************************************
71 *****************************************************************************/
72 #if defined(SYS_LINUX) && defined(HAVE_LINUX_VERSION_H)
73 static int EjectSCSI ( int i_fd );
76 /*****************************************************************************
77 * intf_Eject: eject the CDRom
78 *****************************************************************************
79 * returns 0 on success
80 * returns 1 on failure
81 * returns -1 if not implemented
82 *****************************************************************************/
83 int intf_Eject( const char *psz_device )
93 * The only way to cleanly unmount the disc under MacOS X
94 * is to use the 'disktool' command line utility. It uses
95 * the non-public Disk Arbitration API, which can not be
96 * used by Cocoa or Carbon applications.
99 if( ( psz_disk = (char *)strstr( psz_device, "disk" ) ) != NULL &&
100 strlen( psz_disk ) > 4 )
102 #define EJECT_CMD "/usr/sbin/disktool -e %s 0"
103 snprintf( sz_cmd, sizeof(sz_cmd), EJECT_CMD, psz_disk );
106 if( ( p_eject = popen( sz_cmd, "r" ) ) != NULL )
108 char psz_result[0x200];
109 i_ret = fread( psz_result, 1, sizeof(psz_result) - 1, p_eject );
111 if( i_ret == 0 && ferror( p_eject ) != 0 )
119 psz_result[ i_ret ] = 0;
121 if( strstr( psz_result, "Disk Ejected" ) != NULL )
130 #else /* SYS_DARWIN */
134 /* This code could be extended to support CD/DVD-ROM chargers */
136 i_fd = open( psz_device, O_RDONLY | O_NONBLOCK );
140 intf_ErrMsg( "intf error: couldn't open device %s", psz_device );
144 #if defined(SYS_LINUX) && defined(HAVE_LINUX_VERSION_H)
145 /* Try a simple ATAPI eject */
146 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
150 i_ret = EjectSCSI( i_fd );
155 intf_ErrMsg( "intf error: couldn't eject %s", psz_device );
158 #elif defined (HAVE_DVD_H)
159 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
162 intf_ErrMsg( "intf error: CD-Rom ejection unsupported on this platform" );
172 /* The following functions are local */
174 #if defined(SYS_LINUX) && defined(HAVE_LINUX_VERSION_H)
175 /*****************************************************************************
176 * Eject using SCSI commands. Return 0 if successful
177 *****************************************************************************/
178 static int EjectSCSI( int i_fd )
191 scsi_cmd.cmd[0] = ALLOW_MEDIUM_REMOVAL;
197 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
205 scsi_cmd.cmd[0] = START_STOP;
211 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
219 scsi_cmd.cmd[0] = START_STOP;
225 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
231 /* Force kernel to reread partition table when new disc inserted */
232 i_status = ioctl( i_fd, BLKRRPART );