urcu call_rcu: Use RCU read-side protection for per-cpu call_rcu data

[urcu.git] / urcu-call-rcu.h

diff --git a/urcu-call-rcu.h b/urcu-call-rcu.h
index f965911ebfc8b61e08e1af2b63b6c109c9e26a8b..5ea0c23b21d74698a1a2f1f1b913ad5bb50d0687 100644 (file)
--- a/urcu-call-rcu.h
+++ b/urcu-call-rcu.h
@@ -46,6 +46,8 @@ struct call_rcu_data;
 
 #define URCU_CALL_RCU_RT       0x1
 #define URCU_CALL_RCU_RUNNING  0x2
+#define URCU_CALL_RCU_STOP     0x4
+#define URCU_CALL_RCU_STOPPED  0x8
 
 /*
  * The rcu_head data structure is placed in the structure to be freed
@@ -60,17 +62,33 @@ struct rcu_head {
 /*
  * Exported functions
  */
+
+/*
+ * get_cpu_call_rcu_data should be called with RCU read-side lock held.
+ * Callers should be registered RCU read-side threads.
+ */
 struct call_rcu_data *get_cpu_call_rcu_data(int cpu);
 pthread_t get_call_rcu_thread(struct call_rcu_data *crdp);
-struct call_rcu_data *create_call_rcu_data(unsigned long flags);
+struct call_rcu_data *create_call_rcu_data(unsigned long flags,
+                                          int cpu_affinity);
 int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp);
 struct call_rcu_data *get_default_call_rcu_data(void);
+/*
+ * get_call_rcu_data should be called from registered RCU read-side
+ * threads.
+ */
 struct call_rcu_data *get_call_rcu_data(void);
 struct call_rcu_data *get_thread_call_rcu_data(void);
 void set_thread_call_rcu_data(struct call_rcu_data *crdp);
 int create_all_cpu_call_rcu_data(unsigned long flags);
+/*
+ * call_rcu should be called from registered RCU read-side threads.
+ */
 void call_rcu(struct rcu_head *head,
              void (*func)(struct rcu_head *head));
+void call_rcu_data_free(struct call_rcu_data *crdp);
+void free_all_cpu_call_rcu_data(void);
+void call_rcu_after_fork_child(void);
 
 #ifdef __cplusplus 
 }