New option -signal_handling

libisoburn/trunk/xorriso/xorriso.h

@@ -136,6 +136,10 @@ char *Xorriso__get_patch_level_text(int flag);
                    1= use libburn signal handler. Most time with action
                       0. During writing, formatting, blanking: 0x30.
                       Only usable with a single xorriso object.
+                   2= Enable system default reaction on all signals
+                      @since 1.0.9
+                   3= Try to ignore nearly all signals
+                      @since 1.0.9
    @param flag     unused yet, submit 0
    @return         <= 0 is error, >0 is success
 */
@@ -1147,6 +1151,12 @@ int Xorriso_option_setfattr_listi(struct XorrisO *xorriso, char *path,
 int Xorriso_option_set_filter(struct XorrisO *xorriso, char *name,
                               int argc, char **argv, int *idx, int flag);
 
+/* Option -signal_handling */
+/* @param flag bit0= do not yet install the eventual handler
+*/
+int Xorriso_option_signal_handling(struct XorrisO *xorriso, char *mode,
+                                   int flag);
+
 /* Option -speed */
 int Xorriso_option_speed(struct XorrisO *xorriso, char *speed, int flag);