New -osirrox sub-options o_excl_on/off. Program osirrox starts with o_excl_off.

libisoburn/trunk/xorriso/xorriso.1

@@ -2,7 +2,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "Aug 31, 2009"
+.TH XORRISO 1 "Sep 19, 2009"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -2752,6 +2752,14 @@ allows to restore large numbers of hard links without exhausting
 -temp_mem_limit. It does not preserve directory mtime and it needs
 -osirrox option auto_chmod_on in order to extract directories which offer no
 write permission. Default is "sort_lba_off".
+.br
+Option "o_excl_on" is the default unless the program was started with leafname
+"osirrox". On Linux it tries to avoid using drives which are mounted or in
+use by other libburn programs.
+Option "o_excl_off" allows on Linux to access such drives. Drives which
+get aquired while "o_excl_off" will refuse to get blanked, formatted, 
+written, or ejected. But be aware that even harmless inquiries can spoil
+ongoing burns of CD-R[W] and DVD-R[W].
 .TP
 \fB\-extract\fR iso_rr_path disk_path
 Restore the file objects at and underneath iso_rr_path to their corresponding
@@ -2946,13 +2954,17 @@ X of Y MB written (fifo nn%) [buf mmm%]
 .br
 nn% done, estimate finish Tue Jul 15 20:13:28 2008
 .TP
-\fB\-scdbackup_tag\fR name timestamp
-Set the parameters "name" and "timestamp" for an scdbackup checksum tag.
-It will be appended to the -md5 session tag if the image starts at LBA 0,
-which is the case if output gets written as first session onto a sequential
-media, or piped into a program, named pipe or character device. 
+\fB\-scdbackup_tag\fR list_path record_name
+Set the parameter "name" for a scdbackup checksum record.
+It will be appended in an scdbackup checksum tag to the -md5 session tag if
+the image starts at LBA 0. This is the case if it gets written as first
+session onto a sequential media, or piped into a program, named pipe or
+character device.
 .br
-Program scdbackup_verify will recognize and verify these tags.
+If list_path is not empty then the record will also be appended to the
+data file given by this path.
+.br
+Program scdbackup_verify will recognize and verify tag resp. record.
 .TP
 .B Scripting, dialog and program control features:
 .TP