>
> +/*
> + * Wait until a lcore finished its job by pthread condition.
> + */
> +int
> +rte_eal_wait_lcore_sleep(unsigned slave_id)
> +{
> + if (lcore_config[slave_id].state == WAIT)
> + return 0;
> +
> + pthread_mutex_lock(&rte_eal_thread_mutex[slave_id]);
> + while (lcore_config[slave_id].state != WAIT &&
> + lcore_config[slave_id].state != FINISHED)
> + pthread_cond_wait(&rte_eal_thread_cond[slave_id],
> + &rte_eal_thread_mutex[slave_id]);
> + pthread_mutex_unlock(&rte_eal_thread_mutex[slave_id]);
> +
> + /* we are in finished state, go to wait state */
> + lcore_config[slave_id].state = WAIT;
> + return lcore_config[slave_id].ret;
> +}
> +
Actually, another question - could that 2 or more threads wait for the same
core simultaneously?
If yes, then 2-nd thread in that function might stuck forever.
In that case it is better to use cond_timed_wait() here and cond_broadcast()
above.
Konstantin
