* Iterate through elements of the list.
* This must be done while rcu_read_lock() is held.
*/
+#define cds_hlist_for_each_rcu(pos, head) \
+ for (pos = rcu_dereference((head)->next); pos != NULL; \
+ pos = rcu_dereference(pos->next))
+
+/*
+ * cds_hlist_for_each_entry_rcu takes 4 arguments, while the Linux
+ * kernel API only takes 3.
+ * We implement cds_hlist_for_each_entry_rcu_2() to follow the Linux
+ * kernel APIs.
+ */
#define cds_hlist_for_each_entry_rcu(entry, pos, head, member) \
for (pos = rcu_dereference((head)->next), \
entry = cds_hlist_entry(pos, __typeof__(*entry), member); \
pos = rcu_dereference(pos->next), \
entry = cds_hlist_entry(pos, __typeof__(*entry), member))
+#define cds_hlist_for_each_entry_rcu_2(entry, head, member) \
+ for (entry = cds_hlist_entry(rcu_dereference((head)->next), \
+ __typeof__(*entry), member); \
+ &entry->member != NULL; \
+ entry = cds_hlist_entry(rcu_dereference(entry->member.next), \
+ __typeof__(*entry), member))
+
#endif /* _URCU_RCUHLIST_H */