wfcqueue: enqueue and splice return queue state

[urcu.git] / wfcqueue.c

diff --git a/wfcqueue.c b/wfcqueue.c
index 1fa27ac0d71f329f9dea641e4fb1248e429f16c6..207df95a5b7a4c3347de699f2fc37886120ac346 100644 (file)
--- a/wfcqueue.c
+++ b/wfcqueue.c
@@ -47,23 +47,23 @@ bool cds_wfcq_empty(struct cds_wfcq_head *head,
        return _cds_wfcq_empty(head, tail);
 }
 
-void cds_wfcq_enqueue(struct cds_wfcq_head *head,
+bool cds_wfcq_enqueue(struct cds_wfcq_head *head,
                struct cds_wfcq_tail *tail,
                struct cds_wfcq_node *node)
 {
-       _cds_wfcq_enqueue(head, tail, node);
+       return _cds_wfcq_enqueue(head, tail, node);
 }
 
 void cds_wfcq_dequeue_lock(struct cds_wfcq_head *head,
                struct cds_wfcq_tail *tail)
 {
-       cds_wfcq_dequeue_lock(head, tail);
+       _cds_wfcq_dequeue_lock(head, tail);
 }
 
 void cds_wfcq_dequeue_unlock(struct cds_wfcq_head *head,
                struct cds_wfcq_tail *tail)
 {
-       cds_wfcq_dequeue_unlock(head, tail);
+       _cds_wfcq_dequeue_unlock(head, tail);
 }
 
 struct cds_wfcq_node *cds_wfcq_dequeue_blocking(
@@ -73,13 +73,13 @@ struct cds_wfcq_node *cds_wfcq_dequeue_blocking(
        return _cds_wfcq_dequeue_blocking(head, tail);
 }
 
-void cds_wfcq_splice_blocking(
+enum cds_wfcq_ret cds_wfcq_splice_blocking(
                struct cds_wfcq_head *dest_q_head,
                struct cds_wfcq_tail *dest_q_tail,
                struct cds_wfcq_head *src_q_head,
                struct cds_wfcq_tail *src_q_tail)
 {
-       _cds_wfcq_splice_blocking(dest_q_head, dest_q_tail,
+       return _cds_wfcq_splice_blocking(dest_q_head, dest_q_tail,
                                src_q_head, src_q_tail);
 }
 
@@ -90,13 +90,30 @@ struct cds_wfcq_node *__cds_wfcq_dequeue_blocking(
        return ___cds_wfcq_dequeue_blocking(head, tail);
 }
 
-void __cds_wfcq_splice_blocking(
+struct cds_wfcq_node *__cds_wfcq_dequeue_nonblocking(
+               struct cds_wfcq_head *head,
+               struct cds_wfcq_tail *tail)
+{
+       return ___cds_wfcq_dequeue_nonblocking(head, tail);
+}
+
+enum cds_wfcq_ret __cds_wfcq_splice_blocking(
+               struct cds_wfcq_head *dest_q_head,
+               struct cds_wfcq_tail *dest_q_tail,
+               struct cds_wfcq_head *src_q_head,
+               struct cds_wfcq_tail *src_q_tail)
+{
+       return ___cds_wfcq_splice_blocking(dest_q_head, dest_q_tail,
+                               src_q_head, src_q_tail);
+}
+
+enum cds_wfcq_ret __cds_wfcq_splice_nonblocking(
                struct cds_wfcq_head *dest_q_head,
                struct cds_wfcq_tail *dest_q_tail,
                struct cds_wfcq_head *src_q_head,
                struct cds_wfcq_tail *src_q_tail)
 {
-       ___cds_wfcq_splice_blocking(dest_q_head, dest_q_tail,
+       return ___cds_wfcq_splice_nonblocking(dest_q_head, dest_q_tail,
                                src_q_head, src_q_tail);
 }
 
@@ -107,6 +124,13 @@ struct cds_wfcq_node *__cds_wfcq_first_blocking(
        return ___cds_wfcq_first_blocking(head, tail);
 }
 
+struct cds_wfcq_node *__cds_wfcq_first_nonblocking(
+               struct cds_wfcq_head *head,
+               struct cds_wfcq_tail *tail)
+{
+       return ___cds_wfcq_first_nonblocking(head, tail);
+}
+
 struct cds_wfcq_node *__cds_wfcq_next_blocking(
                struct cds_wfcq_head *head,
                struct cds_wfcq_tail *tail,
@@ -114,3 +138,11 @@ struct cds_wfcq_node *__cds_wfcq_next_blocking(
 {
        return ___cds_wfcq_next_blocking(head, tail, node);
 }
+
+struct cds_wfcq_node *__cds_wfcq_next_nonblocking(
+               struct cds_wfcq_head *head,
+               struct cds_wfcq_tail *tail,
+               struct cds_wfcq_node *node)
+{
+       return ___cds_wfcq_next_nonblocking(head, tail, node);
+}