Fix: update ax_pthread macro to handle newer clang

[urcu.git] / urcu-bp.h

diff --git a/urcu-bp.h b/urcu-bp.h
index 833688f7b553089deb21e7a32187bb83d5b5fdf3..7a265dc5f91b1899ef35a73d31eb7782d4d2e5a3 100644 (file)
--- a/urcu-bp.h
+++ b/urcu-bp.h
@@ -74,6 +74,7 @@ extern "C" {
  */
 #define rcu_read_lock_bp               _rcu_read_lock
 #define rcu_read_unlock_bp             _rcu_read_unlock
+#define rcu_read_ongoing_bp            _rcu_read_ongoing
 
 #define rcu_dereference_bp             rcu_dereference
 #define rcu_cmpxchg_pointer_bp         rcu_cmpxchg_pointer
@@ -89,9 +90,11 @@ extern "C" {
 
 extern void rcu_read_lock(void);
 extern void rcu_read_unlock(void);
+extern int rcu_read_ongoing(void);
 
 extern void *rcu_dereference_sym_bp(void *p);
 #define rcu_dereference_bp(p)                                               \
+       __extension__                                                        \
        ({                                                                   \
                __typeof__(p) _________p1 = URCU_FORCE_CAST(__typeof__(p),   \
                        rcu_dereference_sym_bp(URCU_FORCE_CAST(void *, p))); \
@@ -100,6 +103,7 @@ extern void *rcu_dereference_sym_bp(void *p);
 
 extern void *rcu_cmpxchg_pointer_sym_bp(void **p, void *old, void *_new);
 #define rcu_cmpxchg_pointer_bp(p, old, _new)                                \
+       __extension__                                                        \
        ({                                                                   \
                __typeof__(*(p)) _________pold = (old);                      \
                __typeof__(*(p)) _________pnew = (_new);                     \
@@ -112,6 +116,7 @@ extern void *rcu_cmpxchg_pointer_sym_bp(void **p, void *old, void *_new);
 
 extern void *rcu_xchg_pointer_sym_bp(void **p, void *v);
 #define rcu_xchg_pointer_bp(p, v)                                           \
+       __extension__                                                        \
        ({                                                                   \
                __typeof__(*(p)) _________pv = (v);                          \
                __typeof__(*(p)) _________p1 = URCU_FORCE_CAST(__typeof__(*(p)),\
@@ -122,6 +127,7 @@ extern void *rcu_xchg_pointer_sym_bp(void **p, void *v);
 
 extern void *rcu_set_pointer_sym_bp(void **p, void *v);
 #define rcu_set_pointer_bp(p, v)                                            \
+       __extension__                                                        \
        ({                                                                   \
                __typeof__(*(p)) _________pv = (v);                          \
                __typeof__(*(p)) _________p1 = URCU_FORCE_CAST(__typeof__(*(p)), \
@@ -174,7 +180,7 @@ static inline void rcu_thread_online(void)
 {
 }
 
-#ifdef __cplusplus 
+#ifdef __cplusplus
 }
 #endif