1 /*****************************************************************************
2 * intf_eject.c: CD/DVD-ROM ejection handling functions
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: intf_eject.c,v 1.4 2002/01/12 02:02:44 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 *****************************************************************************/
30 #include <videolan/vlc.h>
41 # include <linux/version.h>
42 /* handy macro found in 2.1 kernels, but not in older ones */
43 # ifndef KERNEL_VERSION
44 # define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
47 # include <sys/types.h>
48 # include <sys/stat.h>
49 # include <sys/ioctl.h>
51 # include <sys/ioctl.h>
52 # include <linux/cdrom.h>
53 # if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0)
54 # include <linux/ucdrom.h>
57 # include <sys/mount.h>
58 # include <scsi/scsi.h>
60 # include <scsi/scsi_ioctl.h>
63 /*****************************************************************************
65 *****************************************************************************/
67 static int EjectSCSI ( int i_fd );
70 /*****************************************************************************
71 * intf_Eject: eject the CDRom
72 *****************************************************************************
73 * returns 0 on success
74 * returns 1 on failure
75 * returns -1 if not implemented
76 *****************************************************************************/
77 int intf_Eject( const char *psz_device )
88 * The only way to cleanly unmount the disc under MacOS X
89 * is to use the 'disktool' command line utility. It uses
90 * the non-public Disk Arbitration API, which can not be
91 * used by Cocoa or Carbon applications.
94 if( ( psz_disk = (char *)strstr( psz_device, "disk" ) ) != NULL &&
95 strlen( psz_disk ) > 4 )
97 #define EJECT_CMD "disktool -e %s 0"
98 snprintf( sz_cmd, sizeof(sz_cmd), EJECT_CMD, psz_disk );
101 if( ( p_eject = popen( sz_cmd, "r" ) ) != NULL )
103 char psz_result[0x200];
104 i_ret = fread( psz_result, 1, sizeof(psz_result), p_eject );
107 if( i_ret == 0 && ferror( p_eject ) != 0 )
112 if( strstr( psz_result, "Disk Ejected" ) != NULL )
123 /* This code could be extended to support CD/DVD-ROM chargers */
125 i_fd = open( psz_device, O_RDONLY | O_NONBLOCK );
129 intf_ErrMsg( "intf error: couldn't open device %s", psz_device );
134 /* Try a simple ATAPI eject */
135 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
139 i_ret = EjectSCSI( i_fd );
144 intf_ErrMsg( "intf error: couldn't eject %s", psz_device );
147 #elif defined (HAVE_DVD_H)
148 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
151 intf_ErrMsg( "intf error: CD-Rom ejection unsupported on this platform" );
160 /* The following functions are local */
163 /*****************************************************************************
164 * Eject using SCSI commands. Return 0 if successful
165 *****************************************************************************/
166 static int EjectSCSI( int i_fd )
179 scsi_cmd.cmd[0] = ALLOW_MEDIUM_REMOVAL;
185 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
193 scsi_cmd.cmd[0] = START_STOP;
199 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
207 scsi_cmd.cmd[0] = START_STOP;
213 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
219 /* Force kernel to reread partition table when new disc inserted */
220 i_status = ioctl( i_fd, BLKRRPART );