server: Added unlink_named_object function.

server/object.c

@@ -217,6 +217,13 @@ void dump_object_name( struct object *obj )
     }
 }
 
+/* unlink a named object from its namespace, without freeing the object itself */
+void unlink_named_object( struct object *obj )
+{
+    if (obj->name) free_name( obj );
+    obj->name = NULL;
+}
+
 /* grab an object (i.e. increment its refcount) and return the object */
 struct object *grab_object( void *ptr )
 {

server/object.h

@@ -109,6 +109,7 @@ extern void *create_object( struct namespace *namespace, const struct object_ops
                             const struct unicode_str *name, struct object *parent );
 extern void *create_named_object( struct namespace *namespace, const struct object_ops *ops,
                                   const struct unicode_str *name, unsigned int attributes );
+extern void unlink_named_object( struct object *obj );
 extern struct namespace *create_namespace( unsigned int hash_size );
 /* grab/release_object can take any pointer, but you better make sure */
 /* that the thing pointed to starts with a struct object... */