claunia/libcdio-osx
Archived
1
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases Wiki Activity

More information around access modes for specific drivers.

Browse Source
This commit is contained in:
R. Bernstein
2010-01-18 03:39:33 -05:00
parent fa897e85b9
commit 9c96d2c448
4 changed files with 16 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
doc/libcdio.texi
View File

@@ -2137,18 +2137,22 @@ really access modes and should probably be redone/rethought. They are
just different ways to run the read command. But for completeness just different ways to run the read command. But for completeness
These are ``READ_CD'' and ``READ_10''. These are ``READ_CD'' and ``READ_10''.
Writing/burning to a drive is supported via access modes
@code{MMC_RDWR_EXCL} or @code{MMC_RDWR}.
@node Microsoft @node Microsoft
@section Microsoft Windows ioctl and ASPI @section Microsoft Windows ioctl and ASPI
There are two CD drive access methods on Microsoft Windows platforms: There are two CD drive access methods on Microsoft Windows platforms:
ioctl and ASPI. ioctl and ASPI.
The ASPI interface specification was developed by Adaptec for The ASPI interface specification was developed by Adaptec for sending
sending commands to a SCSI host adapter (such as those controlling CD commands to a SCSI host adapter (such as those controlling CD and DVD
and DVD drives) and used on Window 9x/NT and later. Emulation for drives) and used on Window 9x/NT and later. Emulation for ATAPI drives
ATAPI drives was added so that the same sets of commands worked those was added so that the same sets of commands worked those even though
even though the drives might not be SCSI nor might there even be a the drives might not be SCSI nor might there even be a SCSI controller
SCSI controller attached. attached. The DLL is not part of Microsoft Windows and has to be
downloaded and installed separately.
However in Windows NT/2K/XP, Microsoft provides their Win32 ioctl However in Windows NT/2K/XP, Microsoft provides their Win32 ioctl
interface, and has taken steps to make using ASPI more inaccessible interface, and has taken steps to make using ASPI more inaccessible
@@ -2167,12 +2171,13 @@ one needs to have root access for ATAPI.
@node FreeBSD @node FreeBSD
@section FreeBSD ioctl and CAM @section FreeBSD ioctl and CAM
There are two CD drive access methods on Solaris: ioctl and CAM There are two classes of access methods on Solaris: ioctl and CAM
(common access method). CAM is preferred when possible, especially on (common access method). CAM is preferred when possible, especially on
newer releases. However CAM is right now sort of a hybrid and includes newer releases. However CAM is right now sort of a hybrid and includes
some ioctl code. some ioctl code.
More work on this driver is needed. Volunteers? Writing/burning to a drive is supported via access modes
@code{MMC_RDWR_EXCL} or @code{MMC_RDWR} which underneath use CAM access.
@node OS X @node OS X
@section OS X (non-exclusive access) @section OS X (non-exclusive access)

3
example/cdchange.c
View File

@@ -1,5 +1,6 @@
/* /*
Copyright (C) 2005, 2006, 2007, 2008, 2009 Rocky Bernstein <rocky@gnu.org> Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
Rocky Bernstein <rocky@gnu.org>
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by

2
lib/driver/aix.c
View File

@@ -1,6 +1,4 @@
/* /*
$Id: aix.c,v 1.3 2008/04/22 15:29:11 karl Exp $
Copyright (C) 2004, 2005, 2006, 2008, 2010 Rocky Bernstein <rocky@gnu.org> Copyright (C) 2004, 2005, 2006, 2008, 2010 Rocky Bernstein <rocky@gnu.org>
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify

2
lib/driver/gnu_linux.c
View File

@@ -1,6 +1,6 @@
/* /*
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org> Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2008, 2009 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010
Rocky Bernstein <rocky@gnu.org> Rocky Bernstein <rocky@gnu.org>
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify