Fix: handle sys_futex() FUTEX_WAIT interrupted by signal

[urcu.git] / urcu / rculfstack.h

diff --git a/urcu/rculfstack.h b/urcu/rculfstack.h
index a33fcb1a7eaa29a7d80b798906c84b6303048623..c7e5599d07fa12f13573c6dd877432be08a120e9 100644 (file)
--- a/urcu/rculfstack.h
+++ b/urcu/rculfstack.h
@@ -23,39 +23,73 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <urcu/compiler.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-struct rcu_lfs_node {
-       struct rcu_lfs_node *next;
+#ifndef CDS_LFS_RCU_DEPRECATED
+#define CDS_LFS_RCU_DEPRECATED \
+       CDS_DEPRECATED("urcu/rculfstack.h is deprecated. Please use urcu/lfstack.h instead.")
+#endif
+
+struct cds_lfs_node_rcu {
+       struct cds_lfs_node_rcu *next;
 };
 
-struct rcu_lfs_stack {
-       struct rcu_lfs_node *head;
+struct cds_lfs_stack_rcu {
+       struct cds_lfs_node_rcu *head;
 };
 
 #ifdef _LGPL_SOURCE
 
-#include <urcu/rculfstack-static.h>
+#include <urcu/static/rculfstack.h>
 
-#define rcu_lfs_node_init      _rcu_lfs_node_init
-#define rcu_lfs_init           _rcu_lfs_init
-#define rcu_lfs_push           _rcu_lfs_push
-#define rcu_lfs_pop            _rcu_lfs_pop
+static inline CDS_LFS_RCU_DEPRECATED
+void cds_lfs_node_init_rcu(struct cds_lfs_node_rcu *node)
+{
+       _cds_lfs_node_init_rcu(node);
+}
+
+static inline
+void cds_lfs_init_rcu(struct cds_lfs_stack_rcu *s)
+{
+       _cds_lfs_init_rcu(s);
+}
+
+static inline CDS_LFS_RCU_DEPRECATED
+int cds_lfs_push_rcu(struct cds_lfs_stack_rcu *s,
+                       struct cds_lfs_node_rcu *node)
+{
+       return _cds_lfs_push_rcu(s, node);
+}
+
+static inline CDS_LFS_RCU_DEPRECATED
+struct cds_lfs_node_rcu *cds_lfs_pop_rcu(struct cds_lfs_stack_rcu *s)
+{
+       return _cds_lfs_pop_rcu(s);
+}
 
 #else /* !_LGPL_SOURCE */
 
-extern void rcu_lfs_node_init(struct rcu_lfs_node *node);
-extern void rcu_lfs_init(struct rcu_lfs_stack *s);
-extern void rcu_lfs_push(struct rcu_lfs_stack *s, struct rcu_lfs_node *node);
+extern CDS_LFS_RCU_DEPRECATED
+void cds_lfs_node_init_rcu(struct cds_lfs_node_rcu *node);
+extern CDS_LFS_RCU_DEPRECATED
+void cds_lfs_init_rcu(struct cds_lfs_stack_rcu *s);
+extern CDS_LFS_RCU_DEPRECATED
+int cds_lfs_push_rcu(struct cds_lfs_stack_rcu *s,
+                       struct cds_lfs_node_rcu *node);
 
 /*
+ * Should be called under rcu read lock critical section.
+ *
  * The caller must wait for a grace period to pass before freeing the returned
- * node or modifying the rcu_lfs_node structure.
+ * node or modifying the cds_lfs_node_rcu structure.
  * Returns NULL if stack is empty.
  */
-extern struct rcu_lfs_node *rcu_lfs_pop(struct rcu_lfs_stack *s);
+extern CDS_LFS_RCU_DEPRECATED
+struct cds_lfs_node_rcu *cds_lfs_pop_rcu(struct cds_lfs_stack_rcu *s);
 
 #endif /* !_LGPL_SOURCE */