Fix: handle sys_futex() FUTEX_WAIT interrupted by signal

[urcu.git] / urcu.h

diff --git a/urcu.h b/urcu.h
index 5728c07d3ce4cac45a11e4540c6c5f3a934a6837..b8ca700ddcdb750270c5e39bd86080b559102363 100644 (file)
--- a/urcu.h
+++ b/urcu.h
@@ -74,12 +74,15 @@ extern "C" {
 #ifdef RCU_MEMBARRIER
 #define rcu_read_lock_memb             _rcu_read_lock
 #define rcu_read_unlock_memb           _rcu_read_unlock
+#define rcu_read_ongoing_memb          _rcu_read_ongoing
 #elif defined(RCU_SIGNAL)
 #define rcu_read_lock_sig              _rcu_read_lock
 #define rcu_read_unlock_sig            _rcu_read_unlock
+#define rcu_read_ongoing_sig           _rcu_read_ongoing
 #elif defined(RCU_MB)
 #define rcu_read_lock_mb               _rcu_read_lock
 #define rcu_read_unlock_mb             _rcu_read_unlock
+#define rcu_read_ongoing_mb            _rcu_read_ongoing
 #endif
 
 #else /* !_LGPL_SOURCE */
@@ -91,6 +94,7 @@ extern "C" {
 
 extern void rcu_read_lock(void);
 extern void rcu_read_unlock(void);
+extern int rcu_read_ongoing(void);
 
 #endif /* !_LGPL_SOURCE */
 
@@ -107,11 +111,27 @@ extern void rcu_unregister_thread(void);
  */
 extern void rcu_init(void);
 
+/*
+ * Q.S. reporting are no-ops for these URCU flavors.
+ */
+static inline void rcu_quiescent_state(void)
+{
+}
+
+static inline void rcu_thread_offline(void)
+{
+}
+
+static inline void rcu_thread_online(void)
+{
+}
+
 #ifdef __cplusplus 
 }
 #endif
 
 #include <urcu-call-rcu.h>
 #include <urcu-defer.h>
+#include <urcu-flavor.h>
 
 #endif /* _URCU_H */