RCU list: add rcuhlist.h, add list_replace_rcu

[urcu.git] / urcu-static.h

diff --git a/urcu-static.h b/urcu-static.h
index b465ce40a3f020dcfbbfb4226c53356a6c56b953..f68dd7c8dc1231641d040d6aeebad2a5da56970f 100644 (file)
--- a/urcu-static.h
+++ b/urcu-static.h
@@ -59,7 +59,7 @@ extern "C" {
 # define MEMBARRIER_EXPEDITED          (1 << 0)
 # define MEMBARRIER_DELAYED            (1 << 1)
 # define MEMBARRIER_QUERY              (1 << 16)
-# define membarrier(...)               syscall(__NR_membarrier, __VA_ARGS__)
+# define membarrier(...)               syscall(SYS_membarrier, __VA_ARGS__)
 #else
 # undef RCU_MEMBARRIER
 # define RCU_MB
@@ -242,17 +242,15 @@ static inline void wake_up_gp(void)
        }
 }
 
-static inline int rcu_old_gp_ongoing(unsigned long *value)
+static inline int rcu_gp_ongoing(unsigned long *ctr)
 {
        unsigned long v;
 
-       if (value == NULL)
-               return 0;
        /*
         * Make sure both tests below are done on the same version of *value
         * to insure consistency.
         */
-       v = LOAD_SHARED(*value);
+       v = LOAD_SHARED(*ctr);
        return (v & RCU_GP_CTR_NEST_MASK) &&
                 ((v ^ rcu_gp_ctr) & RCU_GP_CTR_PHASE);
 }