X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-call-rcu.h;h=98807ea134f8e177bf2e3d432ace5f6a0f98a367;hp=d00bb4ae6d8c111cdfa68987bc8b59e5622174d8;hb=dcb9c05a081e2c8d4fe0250f3700e3efb1200cac;hpb=897f675a4542ef8f6b88882e271e64cbb014d805

diff --git a/urcu-call-rcu.h b/urcu-call-rcu.h
index d00bb4a..98807ea 100644
--- a/urcu-call-rcu.h
+++ b/urcu-call-rcu.h
@@ -32,7 +32,7 @@
 #include <stdlib.h>
 #include <pthread.h>
 
-#include <urcu/wfqueue.h>
+#include <urcu/wfcqueue.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -44,10 +44,12 @@ struct call_rcu_data;
 
 /* Flag values. */
 
-#define URCU_CALL_RCU_RT	0x1
-#define URCU_CALL_RCU_RUNNING	0x2
-#define URCU_CALL_RCU_STOP	0x4
-#define URCU_CALL_RCU_STOPPED	0x8
+#define URCU_CALL_RCU_RT	(1U << 0)
+#define URCU_CALL_RCU_RUNNING	(1U << 1)
+#define URCU_CALL_RCU_STOP	(1U << 2)
+#define URCU_CALL_RCU_STOPPED	(1U << 3)
+#define URCU_CALL_RCU_PAUSE	(1U << 4)
+#define URCU_CALL_RCU_PAUSED	(1U << 5)
 
 /*
  * The rcu_head data structure is placed in the structure to be freed
@@ -55,42 +57,43 @@ struct call_rcu_data;
  */
 
 struct rcu_head {
-	struct cds_wfq_node next;
+	struct cds_wfcq_node next;
 	void (*func)(struct rcu_head *head);
 };
 
 /*
  * Exported functions
+ *
+ * Important: see rcu-api.md in userspace-rcu documentation for
+ * call_rcu family of functions usage detail, including the surrounding
+ * RCU usage required when using these primitives.
  */
 
-/*
- * 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);
+void call_rcu(struct rcu_head *head,
+	      void (*func)(struct rcu_head *head));
+
 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);
+void call_rcu_data_free(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. For the QSBR flavor, the caller should be online.
- */
-struct call_rcu_data *get_call_rcu_data(void);
+struct call_rcu_data *get_cpu_call_rcu_data(int cpu);
 struct call_rcu_data *get_thread_call_rcu_data(void);
+struct call_rcu_data *get_call_rcu_data(void);
+pthread_t get_call_rcu_thread(struct call_rcu_data *crdp);
+
 void set_thread_call_rcu_data(struct call_rcu_data *crdp);
+int set_cpu_call_rcu_data(int cpu, 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.
- * For the QSBR flavor, the caller should be online.
- */
-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_before_fork(void);
+void call_rcu_after_fork_parent(void);
 void call_rcu_after_fork_child(void);
 
+void rcu_barrier(void);
+
 #ifdef __cplusplus 
 }
 #endif