Add C++ build tests

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

diff --git a/include/urcu/wfstack.h b/include/urcu/wfstack.h
index 1058fba9baa4dc0fa89b1250e68f5c2814e486e2..016d9f2207df89a37cca8d7ca49847b829c8bf23 100644 (file)
--- a/include/urcu/wfstack.h
+++ b/include/urcu/wfstack.h
@@ -57,7 +57,7 @@ extern "C" {
  * synchronization.
  */
 
-#define CDS_WFS_WOULDBLOCK     ((void *) -1UL)
+#define CDS_WFS_WOULDBLOCK     ((struct cds_wfs_node *) -1UL)
 
 enum cds_wfs_state {
        CDS_WFS_STATE_LAST =            (1U << 0),
@@ -95,11 +95,13 @@ struct cds_wfs_stack {
  * The transparent union allows calling functions that work on both
  * struct cds_wfs_stack and struct __cds_wfs_stack on any of those two
  * types.
+ *
+ * Avoid complaints from clang++ not knowing this attribute.
  */
 typedef union {
        struct __cds_wfs_stack *_s;
        struct cds_wfs_stack *s;
-} __attribute__((__transparent_union__)) cds_wfs_stack_ptr_t;
+} caa_c_transparent_union cds_wfs_stack_ptr_t;
 
 #ifdef _LGPL_SOURCE