-/*
- * returns urcu_parity.
- */
-static inline int rcu_read_lock(void)
-{
- int urcu_parity = get_urcu_qparity();
- urcu_active_readers[urcu_parity]++;
- /*
- * Increment active readers count before accessing the pointer.
- * See force_mb_all_threads().
- */
- barrier();
- return urcu_parity;
-}
-
-static inline void rcu_read_unlock(int urcu_parity)
-{
- barrier();
- /*
- * Finish using rcu before decrementing the pointer.
- * See force_mb_all_threads().
- */
- urcu_active_readers[urcu_parity]--;
-}
-
-extern void rcu_write_lock(void);
-extern void rcu_write_unlock(void);
-
-extern void *urcu_publish_content(void **ptr, void *new);