Support urcu 0.6.6 with the likely/unlikely API change

[lttng-tools.git] / hashtable / rculfhash.c

diff --git a/hashtable/rculfhash.c b/hashtable/rculfhash.c
index 27c0eeb10ee0b15fc2f23b4fb2ae1e4246b34715..2e8315314a93722e0c35ef71cb35883aed1a063e 100644 (file)
--- a/hashtable/rculfhash.c
+++ b/hashtable/rculfhash.c
@@ -605,7 +605,7 @@ int ht_get_split_count_index(unsigned long hash)
 
        assert(split_count_mask >= 0);
        cpu = sched_getcpu();
-       if (unlikely(cpu < 0))
+       if (caa_unlikely(cpu < 0))
                return hash & split_count_mask;
        else
                return cpu & split_count_mask;
@@ -624,11 +624,11 @@ void ht_count_add(struct cds_lfht *ht, unsigned long size, unsigned long hash)
        unsigned long split_count;
        int index;
 
-       if (unlikely(!ht->split_count))
+       if (caa_unlikely(!ht->split_count))
                return;
        index = ht_get_split_count_index(hash);
        split_count = uatomic_add_return(&ht->split_count[index].add, 1);
-       if (unlikely(!(split_count & ((1UL << COUNT_COMMIT_ORDER) - 1)))) {
+       if (caa_unlikely(!(split_count & ((1UL << COUNT_COMMIT_ORDER) - 1)))) {
                long count;
 
                dbg_printf("add split count %lu\n", split_count);
@@ -651,11 +651,11 @@ void ht_count_del(struct cds_lfht *ht, unsigned long size, unsigned long hash)
        unsigned long split_count;
        int index;
 
-       if (unlikely(!ht->split_count))
+       if (caa_unlikely(!ht->split_count))
                return;
        index = ht_get_split_count_index(hash);
        split_count = uatomic_add_return(&ht->split_count[index].del, 1);
-       if (unlikely(!(split_count & ((1UL << COUNT_COMMIT_ORDER) - 1)))) {
+       if (caa_unlikely(!(split_count & ((1UL << COUNT_COMMIT_ORDER) - 1)))) {
                long count;
 
                dbg_printf("del split count %lu\n", split_count);
@@ -807,12 +807,12 @@ void _cds_lfht_gc_bucket(struct cds_lfht_node *dummy, struct cds_lfht_node *node
                 */
                assert(dummy != node);
                for (;;) {
-                       if (unlikely(is_end(iter)))
+                       if (caa_unlikely(is_end(iter)))
                                return;
-                       if (likely(clear_flag(iter)->p.reverse_hash > node->p.reverse_hash))
+                       if (caa_likely(clear_flag(iter)->p.reverse_hash > node->p.reverse_hash))
                                return;
                        next = rcu_dereference(clear_flag(iter)->p.next);
-                       if (likely(is_removed(next)))
+                       if (caa_likely(is_removed(next)))
                                break;
                        iter_prev = clear_flag(iter);
                        iter = next;
@@ -916,9 +916,9 @@ void _cds_lfht_add(struct cds_lfht *ht,
                iter = rcu_dereference(iter_prev->p.next);
                assert(iter_prev->p.reverse_hash <= node->p.reverse_hash);
                for (;;) {
-                       if (unlikely(is_end(iter)))
+                       if (caa_unlikely(is_end(iter)))
                                goto insert;
-                       if (likely(clear_flag(iter)->p.reverse_hash > node->p.reverse_hash))
+                       if (caa_likely(clear_flag(iter)->p.reverse_hash > node->p.reverse_hash))
                                goto insert;
 
                        /* dummy node is the first node of the identical-hash-value chain */
@@ -926,7 +926,7 @@ void _cds_lfht_add(struct cds_lfht *ht,
                                goto insert;
 
                        next = rcu_dereference(clear_flag(iter)->p.next);
-                       if (unlikely(is_removed(next)))
+                       if (caa_unlikely(is_removed(next)))
                                goto gc_node;
 
                        /* uniquely add */
@@ -1016,7 +1016,7 @@ int _cds_lfht_del(struct cds_lfht *ht, unsigned long size,
                struct cds_lfht_node *new_next;
 
                next = old;
-               if (unlikely(is_removed(next)))
+               if (caa_unlikely(is_removed(next)))
                        return -ENOENT;
                if (dummy_removal)
                        assert(is_dummy(next));
@@ -1409,20 +1409,20 @@ void cds_lfht_lookup(struct cds_lfht *ht, void *key, size_t key_len,
        node = rcu_dereference(dummy_node->p.next);
        node = clear_flag(node);
        for (;;) {
-               if (unlikely(is_end(node))) {
+               if (caa_unlikely(is_end(node))) {
                        node = next = NULL;
                        break;
                }
-               if (unlikely(node->p.reverse_hash > reverse_hash)) {
+               if (caa_unlikely(node->p.reverse_hash > reverse_hash)) {
                        node = next = NULL;
                        break;
                }
                next = rcu_dereference(node->p.next);
                assert(node == clear_flag(node));
-               if (likely(!is_removed(next))
+               if (caa_likely(!is_removed(next))
                    && !is_dummy(next)
                    && node->p.reverse_hash == reverse_hash
-                   && likely(!ht->compare_fct(node->key, node->key_len, key, key_len))) {
+                   && caa_likely(!ht->compare_fct(node->key, node->key_len, key, key_len))) {
                                break;
                }
                node = clear_flag(next);
@@ -1447,18 +1447,18 @@ void cds_lfht_next_duplicate(struct cds_lfht *ht, struct cds_lfht_iter *iter)
        node = clear_flag(next);
 
        for (;;) {
-               if (unlikely(is_end(node))) {
+               if (caa_unlikely(is_end(node))) {
                        node = next = NULL;
                        break;
                }
-               if (unlikely(node->p.reverse_hash > reverse_hash)) {
+               if (caa_unlikely(node->p.reverse_hash > reverse_hash)) {
                        node = next = NULL;
                        break;
                }
                next = rcu_dereference(node->p.next);
-               if (likely(!is_removed(next))
+               if (caa_likely(!is_removed(next))
                    && !is_dummy(next)
-                   && likely(!ht->compare_fct(node->key, node->key_len, key, key_len))) {
+                   && caa_likely(!ht->compare_fct(node->key, node->key_len, key, key_len))) {
                                break;
                }
                node = clear_flag(next);
@@ -1474,12 +1474,12 @@ void cds_lfht_next(struct cds_lfht *ht, struct cds_lfht_iter *iter)
 
        node = clear_flag(iter->next);
        for (;;) {
-               if (unlikely(is_end(node))) {
+               if (caa_unlikely(is_end(node))) {
                        node = next = NULL;
                        break;
                }
                next = rcu_dereference(node->p.next);
-               if (likely(!is_removed(next))
+               if (caa_likely(!is_removed(next))
                    && !is_dummy(next)) {
                                break;
                }