Make lf stack push return if the stack was empty

[urcu.git] / rculfstack.c

diff --git a/rculfstack.c b/rculfstack.c
index 2c260460b690ee85e9f688a372feae56a1b5889d..f58628ce4ea06f55185fb75682cbc9f6b974ef36 100644 (file)
--- a/rculfstack.c
+++ b/rculfstack.c
@@ -21,10 +21,20 @@
  */
 
 /* Use the urcu symbols to select the appropriate rcu flavor at link time */
-#include "urcu.h"
+#define _LGPL_SOURCE
+
+#ifdef RCU_QSBR
+# include "urcu-qsbr.h"
+#elif defined(RCU_BP)
+# include "urcu-bp.h"
+#else
+# include "urcu.h"
+#endif
+
+#undef _LGPL_SOURCE
 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
 #include "urcu/rculfstack.h"
-#include "urcu/rculfstack-static.h"
+#include "urcu/static/rculfstack.h"
 
 /*
  * library wrappers to be used by non-LGPL compatible source code.
@@ -41,9 +51,10 @@ void cds_lfs_init_rcu(struct cds_lfs_stack_rcu *s)
        _cds_lfs_init_rcu(s);
 }
 
-void cds_lfs_push_rcu(struct cds_lfs_stack_rcu *s, struct cds_lfs_node_rcu *node)
+int cds_lfs_push_rcu(struct cds_lfs_stack_rcu *s,
+               struct cds_lfs_node_rcu *node)
 {
-       _cds_lfs_push_rcu(s, node);
+       return _cds_lfs_push_rcu(s, node);
 }
 
 struct cds_lfs_node_rcu *cds_lfs_pop_rcu(struct cds_lfs_stack_rcu *s)