rculfhash: output approximation of number of nodes in counting

[urcu.git] / urcu / rculfhash.h

diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h
index 7afd6244a97df896cc54af017e8f217edda926a5..1c1f03b51d904d3aab6c9e50c8e7aa8f47d47c2f 100644 (file)
--- a/urcu/rculfhash.h
+++ b/urcu/rculfhash.h
@@ -40,7 +40,7 @@ extern "C" {
 struct _cds_lfht_node {
        struct cds_lfht_node *next;     /* ptr | DUMMY_FLAG | REMOVED_FLAG */
        unsigned long reverse_hash;
-} __attribute__((aligned(8)));
+} __attribute__((aligned(4)));
 
 struct cds_lfht_node {
        /* cache-hot for iteration */
@@ -165,8 +165,10 @@ int cds_lfht_destroy(struct cds_lfht *ht, pthread_attr_t **attr);
  * Call with rcu_read_lock held.
  */
 void cds_lfht_count_nodes(struct cds_lfht *ht,
+               unsigned long *approx_before,
                unsigned long *count,
-               unsigned long *removed);
+               unsigned long *removed,
+               unsigned long *approx_after);
 
 /*
  * cds_lfht_lookup - lookup a node by key.