New command -drive_access, new -as cdrecord option --drive_not_exclusive

xorriso/xorriso_private.h

@@ -288,6 +288,7 @@ struct XorrisO { /* the global context of xorriso */
  int read_fs;            /* bit0=norock , bit1=nojoliet */
 
  int drives_exclusive;   /* burn_preset_device_open() param exclusive */
+ int drives_access;      /* 0=readonly , 1=unrestricted */
 
  int linux_scsi_dev_family; /* 0= default, 1= sr, 2= scd, (3= st), 4= sg */
 
@@ -314,6 +315,7 @@ struct XorrisO { /* the global context of xorriso */
  void *in_volset_handle; /* interpreted only by libburnia oriented modules */
  char *in_charset;       /* The charset to interpret the filename bytes */
  int indev_is_exclusive;
+ int indev_access;              /* see drives_access */
  char indev_off_adr[SfileadrL]; /* Result of burn_drive_convert_fs_adr(indev)
                                    when indev gets acquired. */
 
@@ -345,6 +347,7 @@ struct XorrisO { /* the global context of xorriso */
                      connected to externaly perveived stdout.
                   */
  int outdev_is_exclusive;
+ int outdev_access;              /* see drives_access */
  char outdev_off_adr[SfileadrL]; /* Result of burn_drive_convert_fs_adr(outdev)
 		        	    when outdev gets acquired. */