diff --git a/trunk/cdrskin/cdrskin_timestamp.h b/trunk/cdrskin/cdrskin_timestamp.h
index c2b0f983..8f9f5a68 100644
--- a/trunk/cdrskin/cdrskin_timestamp.h
+++ b/trunk/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2006.09.27.115919"
+#define Cdrskin_timestamP "2006.09.27.120656"
diff --git a/trunk/libburn/drive.h b/trunk/libburn/drive.h
index 2714658a..0adaa5eb 100644
--- a/trunk/libburn/drive.h
+++ b/trunk/libburn/drive.h
@@ -35,6 +35,7 @@ struct mempage;
 	               SESSION_LEADOUT_ENTRY((d), (d)->toc->sessions-1))
 
 struct burn_drive *burn_drive_register(struct burn_drive *);
+int burn_drive_unregister(struct burn_drive *d);
 
 unsigned int burn_drive_count(void);
 void burn_wait_all(void);
diff --git a/trunk/libburn/init.c b/trunk/libburn/init.c
index 0997ff12..2e9c83d6 100644
--- a/trunk/libburn/init.c
+++ b/trunk/libburn/init.c
@@ -91,6 +91,7 @@ void burn_finish(void)
                      and try to mark them busy if opened sucessfully. (O_EXCL)
                      There are kernels which simply don't care about O_EXCL.
                      Some have it off, some have it on, some are switchable.
+                     Values: 0=off, 1=on, 2=on,O_EXCL scsi siblings (sr,scd,st)
     @param blocking  Try to wait for drives which do not open immediately but
                      also do not return an error as well. (O_NONBLOCK)
                      This might stall indefinitely with /dev/hdX hard disks.
@@ -104,7 +105,7 @@ void burn_preset_device_open(int exclusive, int blocking, int abort_on_busy)
 {
 	assert(burn_running);
 
-	burn_sg_open_o_excl= !!exclusive;
+	burn_sg_open_o_excl= exclusive;
 	burn_sg_open_o_nonblock= !blocking;
 	burn_sg_open_abort_busy= !!abort_on_busy;
 }
diff --git a/trunk/libburn/libburn.h b/trunk/libburn/libburn.h
index 7a659392..32a4bb39 100644
--- a/trunk/libburn/libburn.h
+++ b/trunk/libburn/libburn.h
@@ -1019,7 +1019,7 @@ void burn_version(int *major, int *minor, int *micro);
                           Default: "NEVER". If you queue messages then you
                           must consume them by burn_msgs_obtain().
     @param print_severity Does the same for messages to be printed directly
-                          to stderr.
+                          to stderr. Default: "FATAL".
     @param print_id       A text prefix to be printed before the message.
     @return               >0 for success, <=0 for error
 
diff --git a/trunk/libburn/transport.h b/trunk/libburn/transport.h
index fb71ad80..cbb50276 100644
--- a/trunk/libburn/transport.h
+++ b/trunk/libburn/transport.h
@@ -90,6 +90,8 @@ struct scsi_mode_data
 };
 
 
+#define LIBBURN_SG_MAX_SIBLINGS 16
+
 /** Gets initialized in enumerate_common() and burn_drive_register() */
 struct burn_drive
 {
@@ -100,6 +102,10 @@ struct burn_drive
 	char *devname;
 	int fd;
 
+	/* ts A60926 : trying to lock against growisofs /dev/srN, /dev/scdN */
+	int sibling_count;
+	int sibling_fds[LIBBURN_SG_MAX_SIBLINGS];
+
 	/* ts A60904 : ticket 62, contribution by elmom */
 	/**
 	    Tells the index in scanned burn_drive_info array.