version 0.3.4

[urcu.git] / urcu-defer.h

diff --git a/urcu-defer.h b/urcu-defer.h
index 75b600568bc7a2df852cb246e1a300732c6989b8..b7fe8bfda53b921844c2abde703a446a5c662407 100644 (file)
--- a/urcu-defer.h
+++ b/urcu-defer.h
@@ -32,7 +32,14 @@
 #include <stdlib.h>
 #include <pthread.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
+ * Note: the defer_rcu() API is currently EXPERIMENTAL. It may change in the
+ * future.
+ * 
  * Important !
  *
  * Each thread queuing memory reclamation must be registered with
@@ -43,10 +50,15 @@
  * primitive need to call synchronize_rcu() if the thread queue is full.
  */
 
-#define defer_rcu(fct, p)      defer_rcu_ratelimit(fct, p, NULL)
+extern void defer_rcu(void (*fct)(void *p), void *p);
 
-extern void defer_rcu_ratelimit(void (*fct)(void *p), void *p,
-                               int (*rl)(void *p));
+/*
+ * call_rcu will eventually be implemented with an API similar to the Linux
+ * kernel call_rcu(), which will allow its use within RCU read-side C.S.
+ * Generate an error if used for now.
+ */
+
+#define call_rcu       __error_call_rcu_not_implemented_please_use_defer_rcu
 
 /*
  * Thread registration for reclamation.
@@ -56,4 +68,8 @@ extern void rcu_defer_unregister_thread(void);
 extern void rcu_defer_barrier(void);
 extern void rcu_defer_barrier_thread(void);
 
+#ifdef __cplusplus 
+}
+#endif
+
 #endif /* _URCU_BATCH_H */