11 #define containerOf(__item, __type, __field)				\  argument
12       ((__type *)(((char *) (__item)) - offsetof(__type, __field)))
21 #define WSBMINITLISTHEAD(__item)		       \  argument
23 	(__item)->prev = (__item);		       \
24 	(__item)->next = (__item);		       \
27 #define WSBMLISTADD(__item, __list)		\  argument
29     (__item)->prev = (__list);			\
30     (__item)->next = (__list)->next;		\
31     (__list)->next->prev = (__item);		\
32     (__list)->next = (__item);			\
35 #define WSBMLISTADDTAIL(__item, __list)		\  argument
37     (__item)->next = (__list);			\
38     (__item)->prev = (__list)->prev;		\
39     (__list)->prev->next = (__item);		\
40     (__list)->prev = (__item);			\
43 #define WSBMLISTDEL(__item)			\  argument
45     (__item)->prev->next = (__item)->next;	\
46     (__item)->next->prev = (__item)->prev;	\
49 #define WSBMLISTDELINIT(__item)			\  argument
51     (__item)->prev->next = (__item)->next;	\
52     (__item)->next->prev = (__item)->prev;	\
53     (__item)->next = (__item);			\
54     (__item)->prev = (__item);			\
57 #define WSBMLISTFOREACH(__item, __list) \  argument
58     for((__item) = (__list)->next; (__item) != (__list); (__item) = (__item)->next)
60 #define WSBMLISTFOREACHPREV(__item, __list) \  argument
61     for((__item) = (__list)->prev; (__item) != (__list); (__item) = (__item)->prev)
63 #define WSBMLISTFOREACHSAFE(__item, __next, __list)		\  argument
64         for((__item) = (__list)->next, (__next) = (__item)->next;	\
65 	(__item) != (__list);					\
66 	(__item) = (__next), (__next) = (__item)->next)
68 #define WSBMLISTFOREACHPREVSAFE(__item, __prev, __list)		\  argument
69     for((__item) = (__list)->prev, (__prev) = (__item->prev);	\
70 	(__item) != (__list);					\
71 	(__item) = (__prev), (__prev) = (__item)->prev)
73 #define WSBMLISTENTRY(__item, __type, __field)			\  argument
74   containerOf(__item, __type, __field)