Fix: futex.h: include headers outside extern C

[urcu.git] / include / urcu / wfcqueue.h

diff --git a/include/urcu/wfcqueue.h b/include/urcu/wfcqueue.h
index ad34d384a5fc86734e590539d5c3343640ee670f..bd920ca488b6b0feedb243383fe641b0741842a2 100644 (file)
--- a/include/urcu/wfcqueue.h
+++ b/include/urcu/wfcqueue.h
@@ -80,11 +80,21 @@ struct cds_wfcq_head {
  *
  * In C++, implement static inline wrappers using function overloading
  * to obtain an API similar to C.
+ *
+ * Avoid complaints from clang++ not knowing the transparent union
+ * attribute.
  */
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wignored-attributes"
+#endif
 typedef union {
        struct __cds_wfcq_head *_h;
        struct cds_wfcq_head *h;
-} caa_c_transparent_union cds_wfcq_head_ptr_t;
+} __attribute__((__transparent_union__)) cds_wfcq_head_ptr_t;
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
 
 #ifndef __cplusplus
 /*
@@ -504,137 +514,49 @@ static inline cds_wfcq_head_ptr_t cds_wfcq_head_cast_cpp(struct cds_wfcq_head *h
        return ret;
 }
 
-static inline bool cds_wfcq_empty(struct __cds_wfcq_head *head,
+template<typename T> static inline bool cds_wfcq_empty(T head,
                struct cds_wfcq_tail *tail)
 {
        return cds_wfcq_empty(cds_wfcq_head_cast_cpp(head), tail);
 }
 
-static inline bool cds_wfcq_empty(struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
-{
-       return cds_wfcq_empty(cds_wfcq_head_cast_cpp(head), tail);
-}
-
-static inline bool cds_wfcq_enqueue(struct __cds_wfcq_head *head,
+template<typename T> static inline bool cds_wfcq_enqueue(T head,
                struct cds_wfcq_tail *tail,
                struct cds_wfcq_node *node)
 {
        return cds_wfcq_enqueue(cds_wfcq_head_cast_cpp(head), tail, node);
 }
 
-static inline bool cds_wfcq_enqueue(struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail,
-               struct cds_wfcq_node *node)
-{
-       return cds_wfcq_enqueue(cds_wfcq_head_cast_cpp(head), tail, node);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_blocking(
-               struct __cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
-{
-       return __cds_wfcq_dequeue_blocking(cds_wfcq_head_cast_cpp(head), tail);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_blocking(
-               struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_dequeue_blocking(
+               T head, struct cds_wfcq_tail *tail)
 {
        return __cds_wfcq_dequeue_blocking(cds_wfcq_head_cast_cpp(head), tail);
 }
 
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_blocking(
-               struct __cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail,
-               int *state)
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_blocking(
+               T head, struct cds_wfcq_tail *tail, int *state)
 {
        return __cds_wfcq_dequeue_with_state_blocking(cds_wfcq_head_cast_cpp(head),
                        tail, state);
 }
 
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_blocking(
-               struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail,
-               int *state)
-{
-       return __cds_wfcq_dequeue_with_state_blocking(cds_wfcq_head_cast_cpp(head),
-                       tail, state);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_nonblocking(
-               struct __cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_dequeue_nonblocking(
+               T head, struct cds_wfcq_tail *tail)
 {
        return __cds_wfcq_dequeue_nonblocking(cds_wfcq_head_cast_cpp(head), tail);
 }
 
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_nonblocking(
-               struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
-{
-       return __cds_wfcq_dequeue_nonblocking(cds_wfcq_head_cast_cpp(head), tail);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_nonblocking(
-               struct __cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail,
-               int *state)
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_nonblocking(
+               T head, struct cds_wfcq_tail *tail, int *state)
 {
        return __cds_wfcq_dequeue_with_state_nonblocking(cds_wfcq_head_cast_cpp(head),
                        tail, state);
 }
 
-static inline struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_nonblocking(
-               struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail,
-               int *state)
-{
-       return __cds_wfcq_dequeue_with_state_nonblocking(cds_wfcq_head_cast_cpp(head),
-                       tail, state);
-}
-
-/* Support the power set of type combinations. */
-static inline 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(cds_wfcq_head_cast_cpp(dest_q_head),
-                       dest_q_tail,
-                       cds_wfcq_head_cast_cpp(src_q_head),
-                       src_q_tail);
-}
-
-static inline 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(cds_wfcq_head_cast_cpp(dest_q_head),
-                       dest_q_tail,
-                       cds_wfcq_head_cast_cpp(src_q_head),
-                       src_q_tail);
-}
-
-static inline 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(cds_wfcq_head_cast_cpp(dest_q_head),
-                       dest_q_tail,
-                       cds_wfcq_head_cast_cpp(src_q_head),
-                       src_q_tail);
-}
-
-static inline enum cds_wfcq_ret __cds_wfcq_splice_blocking(
-               struct cds_wfcq_head *dest_q_head,
+template<typename T, typename U> static inline enum cds_wfcq_ret __cds_wfcq_splice_blocking(
+               T dest_q_head,
                struct cds_wfcq_tail *dest_q_tail,
-               struct cds_wfcq_head *src_q_head,
+               U src_q_head,
                struct cds_wfcq_tail *src_q_tail)
 {
        return __cds_wfcq_splice_blocking(cds_wfcq_head_cast_cpp(dest_q_head),
@@ -643,23 +565,10 @@ static inline enum cds_wfcq_ret __cds_wfcq_splice_blocking(
                        src_q_tail);
 }
 
-/* Support the power set of type combinations. */
-static inline 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)
-{
-       return __cds_wfcq_splice_nonblocking(cds_wfcq_head_cast_cpp(dest_q_head),
-                       dest_q_tail,
-                       cds_wfcq_head_cast_cpp(src_q_head),
-                       src_q_tail);
-}
-
-static inline enum cds_wfcq_ret __cds_wfcq_splice_nonblocking(
-               struct cds_wfcq_head *dest_q_head,
+template<typename T, typename U> static inline enum cds_wfcq_ret __cds_wfcq_splice_nonblocking(
+               T dest_q_head,
                struct cds_wfcq_tail *dest_q_tail,
-               struct __cds_wfcq_head *src_q_head,
+               U *src_q_head,
                struct cds_wfcq_tail *src_q_tail)
 {
        return __cds_wfcq_splice_nonblocking(cds_wfcq_head_cast_cpp(dest_q_head),
@@ -668,84 +577,28 @@ static inline enum cds_wfcq_ret __cds_wfcq_splice_nonblocking(
                        src_q_tail);
 }
 
-static inline 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)
-{
-       return __cds_wfcq_splice_nonblocking(cds_wfcq_head_cast_cpp(dest_q_head),
-                       dest_q_tail,
-                       cds_wfcq_head_cast_cpp(src_q_head),
-                       src_q_tail);
-}
-
-static inline 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)
-{
-       return __cds_wfcq_splice_nonblocking(cds_wfcq_head_cast_cpp(dest_q_head),
-                       dest_q_tail,
-                       cds_wfcq_head_cast_cpp(src_q_head),
-                       src_q_tail);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_first_blocking(
-               struct __cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_first_blocking(
+               T head, struct cds_wfcq_tail *tail)
 {
        return __cds_wfcq_first_blocking(cds_wfcq_head_cast_cpp(head), tail);
 }
 
-static inline struct cds_wfcq_node *__cds_wfcq_first_blocking(
-               struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
-{
-       return __cds_wfcq_first_blocking(cds_wfcq_head_cast_cpp(head), tail);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_first_nonblocking(
-               struct __cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_first_nonblocking(
+               T head, struct cds_wfcq_tail *tail)
 {
        return __cds_wfcq_first_nonblocking(cds_wfcq_head_cast_cpp(head), tail);
 }
 
-static inline struct cds_wfcq_node *__cds_wfcq_first_nonblocking(
-               struct cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail)
-{
-       return __cds_wfcq_first_nonblocking(cds_wfcq_head_cast_cpp(head), tail);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_next_blocking(
-               struct __cds_wfcq_head *head,
-               struct cds_wfcq_tail *tail,
-               struct cds_wfcq_node *node)
-{
-       return __cds_wfcq_next_blocking(cds_wfcq_head_cast_cpp(head), tail, node);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_next_blocking(
-               struct cds_wfcq_head *head,
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_next_blocking(
+               T head,
                struct cds_wfcq_tail *tail,
                struct cds_wfcq_node *node)
 {
        return __cds_wfcq_next_blocking(cds_wfcq_head_cast_cpp(head), tail, node);
 }
 
-static inline 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(cds_wfcq_head_cast_cpp(head), tail, node);
-}
-
-static inline struct cds_wfcq_node *__cds_wfcq_next_nonblocking(
-               struct cds_wfcq_head *head,
+template<typename T> static inline struct cds_wfcq_node *__cds_wfcq_next_nonblocking(
+               T head,
                struct cds_wfcq_tail *tail,
                struct cds_wfcq_node *node)
 {