X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_lfq.c;h=b61a7d4815788af2bcd9e197dc319a8eb053791a;hp=5fd0ff38cb0ecd15a462072394a18ac7598a3ae1;hb=6e5f88cf94a225b155719046d87bfd32ba47e06a;hpb=6ade67d5cb23ae9e2c18e7c2a62e3202552fb9e2 diff --git a/tests/test_urcu_lfq.c b/tests/test_urcu_lfq.c index 5fd0ff3..b61a7d4 100644 --- a/tests/test_urcu_lfq.c +++ b/tests/test_urcu_lfq.c @@ -34,12 +34,15 @@ #include #include #include -#include #include #include #include +#ifdef __linux__ +#include +#endif + /* hardcoded number of CPUs */ #define NR_CPUS 16384 @@ -62,7 +65,7 @@ static inline pid_t gettid(void) #define _LGPL_SOURCE #endif #include -#include +#include #include static volatile int test_go, test_stop; @@ -177,7 +180,9 @@ void *thr_enqueuer(void *_count) if (!node) goto fail; cds_lfq_node_init_rcu(node); + rcu_read_lock(); cds_lfq_enqueue_rcu(&q, node); + rcu_read_unlock(); nr_successful_enqueues++; if (unlikely(wdelay)) @@ -200,17 +205,10 @@ fail: } -static void rcu_release_node(struct urcu_ref *ref) -{ - struct cds_lfq_node_rcu *node = caa_container_of(ref, struct cds_lfq_node_rcu, ref); - defer_rcu(free, node); - //synchronize_rcu(); - //free(node); -} - void *thr_dequeuer(void *_count) { unsigned long long *count = _count; + int ret; printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", "dequeuer", pthread_self(), (unsigned long)gettid()); @@ -230,11 +228,14 @@ void *thr_dequeuer(void *_count) cmm_smp_mb(); for (;;) { - struct cds_lfq_node_rcu *node = cds_lfq_dequeue_rcu(&q, - rcu_release_node); + struct cds_lfq_node_rcu *node; + + rcu_read_lock(); + node = cds_lfq_dequeue_rcu(&q); + rcu_read_unlock(); if (node) { - urcu_ref_put(&node->ref, rcu_release_node); + defer_rcu(free, node); nr_successful_dequeues++; } @@ -247,7 +248,6 @@ void *thr_dequeuer(void *_count) 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, @@ -257,20 +257,16 @@ void *thr_dequeuer(void *_count) 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; do { - node = cds_lfq_dequeue_rcu(q, release_node); + rcu_read_lock(); + 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); @@ -367,7 +363,7 @@ int main(int argc, char **argv) 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); + cds_lfq_init_rcu(&q, call_rcu); next_aff = 0; @@ -412,6 +408,8 @@ int main(int argc, char **argv) } 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);