X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-static.h;h=857d30cd729ca7b47accc94e0654807a299719a0;hp=1eeb2e6b03319c313d051ef71a3148add48ff264;hb=18c3778a6e548f0926cada96db00f8da7cc81454;hpb=b95a001f50047ab146becf9b9e514ab0639f67cd diff --git a/urcu-static.h b/urcu-static.h index 1eeb2e6..857d30c 100644 --- 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 @@ -222,7 +222,7 @@ struct rcu_reader { unsigned long ctr; char need_mb; /* Data used for registry */ - struct list_head head __attribute__((aligned(CACHE_LINE_SIZE))); + struct list_head node __attribute__((aligned(CACHE_LINE_SIZE))); pthread_t tid; }; @@ -242,17 +242,15 @@ static inline void wake_up_gp(void) } } -static inline int rcu_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); }