--- old/usr/src/head/libzonecfg.h	Wed Feb 11 09:21:12 2009
+++ new/usr/src/head/libzonecfg.h	Wed Feb 11 09:21:12 2009
@@ -558,6 +558,7 @@
 extern void zonecfg_init_lock_file(const char *, char **);
 extern void zonecfg_release_lock_file(const char *, int);
 extern int zonecfg_grab_lock_file(const char *, int *);
+extern boolean_t zonecfg_lock_file_held(int *);
 extern int zonecfg_ping_zoneadmd(const char *);
 extern int zonecfg_call_zoneadmd(const char *, zone_cmd_arg_t *, char *,
     boolean_t);