Build urcu-qsbr.so library, update README

[urcu.git] / urcu-static.h

diff --git a/urcu-static.h b/urcu-static.h
index 91d37470fe785ffffd13dc7ebbebeb1357170cd7..0f3eba113d0efe8471b34d6d094496311c69ac12 100644 (file)
--- a/urcu-static.h
+++ b/urcu-static.h
@@ -81,7 +81,9 @@
  * data read before the pointer read by speculating the value of the pointer.
  * Correct ordering is ensured because the pointer is read as a volatile access.
  * This acts as a global side-effect operation, which forbids reordering of
- * dependent memory operations.
+ * dependent memory operations. Note that such concern about dependency-breaking
+ * optimizations will eventually be taken care of by the "memory_order_consume"
+ * addition to forthcoming C++ standard.
  *
  * Should match rcu_assign_pointer() or rcu_xchg_pointer().
  */
@@ -115,6 +117,12 @@
  */
 #define KICK_READER_LOOPS 10000
 
+#ifdef DEBUG_RCU
+#define rcu_assert(args...)    assert(args)
+#else
+#define rcu_assert(args...)
+#endif
+
 #ifdef DEBUG_YIELD
 #include <sched.h>
 #include <time.h>