#include <unistd.h>
#include <stdio.h>
#include <assert.h>
-#include <sys/syscall.h>
#include <sched.h>
#include <errno.h>
#include <urcu/arch.h>
+#ifdef __linux__
+#include <syscall.h>
+#endif
+
/* hardcoded number of CPUs */
#define NR_CPUS 16384
#define _LGPL_SOURCE
#endif
#include <urcu.h>
-#include <urcu/rculfqueue.h>
+#include <urcu/cds.h>
+#include <urcu-defer.h>
static volatile int test_go, test_stop;
}
-static void rcu_free_node(struct rcu_head *head)
-{
- struct cds_lfq_node_rcu *node =
- caa_container_of(head, struct cds_lfq_node_rcu, rcu_head);
- free(node);
-}
-
-static void ref_release_node(struct urcu_ref *ref)
-{
- struct cds_lfq_node_rcu *node =
- caa_container_of(ref, struct cds_lfq_node_rcu, ref);
- call_rcu(&node->rcu_head, rcu_free_node);
-}
-
void *thr_dequeuer(void *_count)
{
unsigned long long *count = _count;
set_affinity();
+ ret = rcu_defer_register_thread();
+ if (ret) {
+ printf("Error in rcu_defer_register_thread\n");
+ exit(-1);
+ }
rcu_register_thread();
while (!test_go)
rcu_read_unlock();
if (node) {
- urcu_ref_put(&node->ref, ref_release_node);
+ defer_rcu(free, node);
nr_successful_dequeues++;
}
}
rcu_unregister_thread();
+ rcu_defer_unregister_thread();
printf_verbose("dequeuer thread_end, thread id : %lx, tid %lu, "
"dequeues %llu, successful_dequeues %llu\n",
pthread_self(), (unsigned long)gettid(), nr_dequeues,
return ((void*)2);
}
-static void release_node(struct urcu_ref *ref)
-{
- struct cds_lfq_node_rcu *node = caa_container_of(ref, struct cds_lfq_node_rcu, ref);
- free(node);
-}
-
void test_end(struct cds_lfq_queue_rcu *q, unsigned long long *nr_dequeues)
{
struct cds_lfq_node_rcu *node;
node = cds_lfq_dequeue_rcu(q);
rcu_read_unlock();
if (node) {
- urcu_ref_put(&node->ref, release_node);
+ free(node); /* no more concurrent access */
(*nr_dequeues)++;
}
} while (node);
tid_dequeuer = malloc(sizeof(*tid_dequeuer) * nr_dequeuers);
count_enqueuer = malloc(2 * sizeof(*count_enqueuer) * nr_enqueuers);
count_dequeuer = malloc(2 * sizeof(*count_dequeuer) * nr_dequeuers);
- cds_lfq_init_rcu(&q, ref_release_node);
+ cds_lfq_init_rcu(&q, call_rcu);
next_aff = 0;
}
test_end(&q, &end_dequeues);
+ err = cds_lfq_destroy_rcu(&q);
+ assert(!err);
printf_verbose("total number of enqueues : %llu, dequeues %llu\n",
tot_enqueues, tot_dequeues);