X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=rculfhash.c;h=93514d429a5d4fe242fec8b102288101e9a1d78f;hb=59290e9dc90ce01920f1a18a8699dd6872c45ffc;hp=638432a90b3121ef3c4b1a9d870680e1f6ba98f9;hpb=91452a6aeb429d72aafaed0fd176cac5e742251d;p=urcu.git

diff --git a/rculfhash.c b/rculfhash.c
index 638432a..93514d4 100644
--- a/rculfhash.c
+++ b/rculfhash.c
@@ -1399,10 +1399,7 @@ void cds_lfht_next(struct cds_lfht *ht, struct cds_lfht_iter *iter)
 {
 	struct cds_lfht_node *node, *next;
 
-	node = iter->node;
-	next = iter->next;
-	node = clear_flag(next);
-
+	node = clear_flag(iter->next);
 	for (;;) {
 		if (unlikely(is_end(node))) {
 			node = next = NULL;
@@ -1429,7 +1426,7 @@ void cds_lfht_first(struct cds_lfht *ht, struct cds_lfht_iter *iter)
 	 * first node of the linked list.
 	 */
 	lookup = &ht->t.tbl[0]->nodes[0];
-	iter->node = (struct cds_lfht_node *) lookup;
+	iter->next = lookup->next;
 	cds_lfht_next(ht, iter);
 }
 
@@ -1545,7 +1542,8 @@ int cds_lfht_destroy(struct cds_lfht *ht, pthread_attr_t **attr)
 	int ret;
 
 	/* Wait for in-flight resize operations to complete */
-	CMM_STORE_SHARED(ht->in_progress_destroy, 1);
+	_CMM_STORE_SHARED(ht->in_progress_destroy, 1);
+	cmm_smp_mb();	/* Store destroy before load resize */
 	while (uatomic_read(&ht->in_progress_resize))
 		poll(NULL, 0, 100);	/* wait for 100ms */
 	ret = cds_lfht_delete_dummy(ht);
@@ -1721,7 +1719,9 @@ void cds_lfht_resize_lazy(struct cds_lfht *ht, unsigned long size, int growth)
 	cmm_smp_mb();
 	if (!CMM_LOAD_SHARED(ht->t.resize_initiated) && size < target_size) {
 		uatomic_inc(&ht->in_progress_resize);
-		cmm_smp_mb();	/* increment resize count before calling it */
+		cmm_smp_mb();	/* increment resize count before load destroy */
+		if (CMM_LOAD_SHARED(ht->in_progress_destroy))
+			return;
 		work = malloc(sizeof(*work));
 		work->ht = ht;
 		ht->cds_lfht_call_rcu(&work->head, do_resize_cb);
@@ -1744,7 +1744,9 @@ void cds_lfht_resize_lazy_count(struct cds_lfht *ht, unsigned long size,
 	cmm_smp_mb();
 	if (!CMM_LOAD_SHARED(ht->t.resize_initiated)) {
 		uatomic_inc(&ht->in_progress_resize);
-		cmm_smp_mb();	/* increment resize count before calling it */
+		cmm_smp_mb();	/* increment resize count before load destroy */
+		if (CMM_LOAD_SHARED(ht->in_progress_destroy))
+			return;
 		work = malloc(sizeof(*work));
 		work->ht = ht;
 		ht->cds_lfht_call_rcu(&work->head, do_resize_cb);