hlist: implement cds_hlist_first_entry_rcu

[userspace-rcu.git] / urcu / rculfhash.h

diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h
index 0a8abff3c7d226bb6e38873569edc480cee07013..9c382120111c34d31d86fd80e9206d575626534a 100644 (file)
--- a/urcu/rculfhash.h
+++ b/urcu/rculfhash.h
@@ -439,6 +439,8 @@ int cds_lfht_is_node_deleted(struct cds_lfht_node *node);
  *
  * Threads calling this API need to be registered RCU read-side threads.
  * This function does not (necessarily) issue memory barriers.
+ * cds_lfht_resize should *not* be called from a RCU read-side critical
+ * section.
  */
 extern
 void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size);
@@ -482,6 +484,11 @@ void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size);
                        pos = caa_container_of(cds_lfht_iter_get_node(iter), \
                                        __typeof__(*(pos)), member))
 
+/*
+ * cds_lfht_rcu_flavor: get RCU flavor argument from hash table creation.
+ */
+const struct rcu_flavor_struct *cds_lfht_rcu_flavor(struct cds_lfht *ht);
+
 #ifdef __cplusplus
 }
 #endif