}
}
-
/* Get typed element from list at a given position. */
#define cds_list_entry(ptr, type, member) \
((type *) ((char *) (ptr) - (unsigned long) (&((type *) 0)->member)))
+/* Get first entry from a list. */
+#define cds_list_first_entry(ptr, type, member) \
+ cds_list_entry((ptr)->next, type, member)
+
/* Iterate forward over the elements of the list. */
#define cds_list_for_each(pos, head) \
pos = p, p = pos->prev)
#define cds_list_for_each_entry(pos, head, member) \
- for (pos = cds_list_entry((head)->next, typeof(*pos), member); \
+ for (pos = cds_list_entry((head)->next, __typeof__(*pos), member); \
&pos->member != (head); \
- pos = cds_list_entry(pos->member.next, typeof(*pos), member))
+ pos = cds_list_entry(pos->member.next, __typeof__(*pos), member))
#define cds_list_for_each_entry_reverse(pos, head, member) \
- for (pos = cds_list_entry((head)->prev, typeof(*pos), member); \
+ for (pos = cds_list_entry((head)->prev, __typeof__(*pos), member); \
&pos->member != (head); \
- pos = cds_list_entry(pos->member.prev, typeof(*pos), member))
+ pos = cds_list_entry(pos->member.prev, __typeof__(*pos), member))
#define cds_list_for_each_entry_safe(pos, p, head, member) \
- for (pos = cds_list_entry((head)->next, typeof(*pos), member), \
- p = cds_list_entry(pos->member.next,typeof(*pos), member); \
+ for (pos = cds_list_entry((head)->next, __typeof__(*pos), member), \
+ p = cds_list_entry(pos->member.next, __typeof__(*pos), member); \
&pos->member != (head); \
- pos = p, p = cds_list_entry(pos->member.next, typeof(*pos), member))
+ pos = p, p = cds_list_entry(pos->member.next, __typeof__(*pos), member))
static inline int cds_list_empty(struct cds_list_head *head)
{