1 /*****************************************************************************
2 * intf_eject.c: CD/DVD-ROM ejection handling functions
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: intf_eject.c,v 1.7 2002/04/04 00:23:36 jlj Exp $
7 * Author: Julien Blache <jb@technologeek.org> for the Linux part
8 * with code taken from the Linux "eject" command
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 #include <videolan/vlc.h>
45 # include <linux/version.h>
46 /* handy macro found in 2.1 kernels, but not in older ones */
47 # ifndef KERNEL_VERSION
48 # define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
51 # include <sys/types.h>
52 # include <sys/stat.h>
53 # include <sys/ioctl.h>
55 # include <sys/ioctl.h>
56 # include <linux/cdrom.h>
57 # if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0)
58 # include <linux/ucdrom.h>
61 # include <sys/mount.h>
62 # include <scsi/scsi.h>
64 # ifdef HAVE_SCSI_SCSI_IOCTL_H
65 # include <scsi/scsi_ioctl.h>
69 /*****************************************************************************
71 *****************************************************************************/
72 #if defined(SYS_LINUX) && defined(HAVE_SCSI_SCSI_IOCTL_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 )
94 * The only way to cleanly unmount the disc under MacOS X
95 * is to use the 'disktool' command line utility. It uses
96 * the non-public Disk Arbitration API, which can not be
97 * used by Cocoa or Carbon applications.
100 if( ( psz_disk = (char *)strstr( psz_device, "disk" ) ) != NULL &&
101 strlen( psz_disk ) > 4 )
103 #define EJECT_CMD "disktool -e %s 0"
104 snprintf( sz_cmd, sizeof(sz_cmd), EJECT_CMD, psz_disk );
107 if( ( p_eject = popen( sz_cmd, "r" ) ) != NULL )
109 char psz_result[0x200];
110 i_ret = fread( psz_result, 1, sizeof(psz_result) - 1, p_eject );
112 if( i_ret == 0 && ferror( p_eject ) != 0 )
120 psz_result[ i_ret ] = 0;
122 if( strstr( psz_result, "Disk Ejected" ) != NULL )
133 /* This code could be extended to support CD/DVD-ROM chargers */
135 i_fd = open( psz_device, O_RDONLY | O_NONBLOCK );
139 intf_ErrMsg( "intf error: couldn't open device %s", psz_device );
144 /* Try a simple ATAPI eject */
145 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
147 #ifdef HAVE_SCSI_SCSI_IOCTL_H
150 i_ret = EjectSCSI( i_fd );
156 intf_ErrMsg( "intf error: couldn't eject %s", psz_device );
159 #elif defined (HAVE_DVD_H)
160 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
163 intf_ErrMsg( "intf error: CD-Rom ejection unsupported on this platform" );
172 /* The following functions are local */
174 #if defined(SYS_LINUX) && defined(HAVE_SCSI_SCSI_IOCTL_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 );