#ifdef RCU_MEMBARRIER
static int init_done;
-int has_sys_membarrier;
+int rcu_has_sys_membarrier;
void __attribute__((constructor)) rcu_init(void);
#endif
static pthread_mutex_t rcu_gp_lock = PTHREAD_MUTEX_INITIALIZER;
-int32_t gp_futex;
+int32_t rcu_gp_futex;
/*
* Global grace period counter.
DEFINE_URCU_TLS(struct rcu_reader, rcu_reader);
#ifdef DEBUG_YIELD
-unsigned int yield_active;
-DEFINE_URCU_TLS(unsigned int, rand_yield);
+unsigned int rcu_yield_active;
+DEFINE_URCU_TLS(unsigned int, rcu_rand_yield);
#endif
static CDS_LIST_HEAD(registry);
#ifdef RCU_MEMBARRIER
static void smp_mb_master(int group)
{
- if (caa_likely(has_sys_membarrier))
+ if (caa_likely(rcu_has_sys_membarrier))
membarrier(MEMBARRIER_EXPEDITED);
else
cmm_smp_mb();
{
/* Read reader_gp before read futex */
smp_mb_master(RCU_MB_GROUP);
- if (uatomic_read(&gp_futex) == -1)
- futex_async(&gp_futex, FUTEX_WAIT, -1,
+ if (uatomic_read(&rcu_gp_futex) == -1)
+ futex_async(&rcu_gp_futex, FUTEX_WAIT, -1,
NULL, NULL, 0);
}
for (;;) {
wait_loops++;
if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
- uatomic_dec(&gp_futex);
+ uatomic_dec(&rcu_gp_futex);
/* Write futex before read reader_gp */
smp_mb_master(RCU_MB_GROUP);
}
if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
/* Read reader_gp before write futex */
smp_mb_master(RCU_MB_GROUP);
- uatomic_set(&gp_futex, 0);
+ uatomic_set(&rcu_gp_futex, 0);
}
break;
} else {
if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
/* Read reader_gp before write futex */
smp_mb_master(RCU_MB_GROUP);
- uatomic_set(&gp_futex, 0);
+ uatomic_set(&rcu_gp_futex, 0);
}
break;
} else {
return;
init_done = 1;
if (!membarrier(MEMBARRIER_EXPEDITED | MEMBARRIER_QUERY))
- has_sys_membarrier = 1;
+ rcu_has_sys_membarrier = 1;
}
#endif