#define rcu_assert(args...)
#endif
-#ifdef DEBUG_YIELD
-#include <sched.h>
-#include <time.h>
-#include <pthread.h>
-#include <unistd.h>
-
-#define RCU_YIELD_READ (1 << 0)
-#define RCU_YIELD_WRITE (1 << 1)
-
-/*
- * Updates with RCU_SIGNAL are much slower. Account this in the delay.
- */
-#ifdef RCU_SIGNAL
-/* maximum sleep delay, in us */
-#define MAX_SLEEP 30000
-#else
-#define MAX_SLEEP 50
-#endif
-
-extern unsigned int rcu_yield_active;
-extern DECLARE_URCU_TLS(unsigned int, rcu_rand_yield);
-
-static inline void rcu_debug_yield_read(void)
-{
- if (rcu_yield_active & RCU_YIELD_READ)
- if (rand_r(&URCU_TLS(rcu_rand_yield)) & 0x1)
- usleep(rand_r(&URCU_TLS(rcu_rand_yield)) % MAX_SLEEP);
-}
-
-static inline void rcu_debug_yield_write(void)
-{
- if (rcu_yield_active & RCU_YIELD_WRITE)
- if (rand_r(&URCU_TLS(rcu_rand_yield)) & 0x1)
- usleep(rand_r(&URCU_TLS(rcu_rand_yield)) % MAX_SLEEP);
-}
-
-static inline void rcu_debug_yield_init(void)
-{
- URCU_TLS(rcu_rand_yield) = time(NULL) ^ (unsigned long) pthread_self();
-}
-#else
-static inline void rcu_debug_yield_read(void)
-{
-}
-
-static inline void rcu_debug_yield_write(void)
-{
-}
-
-static inline void rcu_debug_yield_init(void)
-{
-
-}
-#endif
-
/*
* RCU memory barrier broadcast group. Currently, only broadcast to all process
* threads is supported (group 0).
{
if (caa_unlikely(uatomic_read(&rcu_gp.futex) == -1)) {
uatomic_set(&rcu_gp.futex, 0);
- futex_async(&rcu_gp.futex, FUTEX_WAKE, 1,
- NULL, NULL, 0);
+ /*
+ * Ignoring return value until we can make this function
+ * return something (because urcu_die() is not publicly
+ * exposed).
+ */
+ (void) futex_async(&rcu_gp.futex, FUTEX_WAKE, 1,
+ NULL, NULL, 0);
}
}