X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_hash.c;h=cbbddc8c8cef72d9d59a1ee08f1b6e970748bd69;hp=a6139c1a2d3c9894e39051ab1b2a08f8d09b0208;hb=1f689e13ea7e519b1afc001e9c55a7b1b60b599f;hpb=59e371e3c619d7f85698bd997ac556cea49632f3 diff --git a/tests/test_urcu_hash.c b/tests/test_urcu_hash.c index a6139c1..cbbddc8 100644 --- a/tests/test_urcu_hash.c +++ b/tests/test_urcu_hash.c @@ -350,10 +350,9 @@ static unsigned long test_hash(void *_key, size_t length, unsigned long seed) { unsigned long key = (unsigned long) _key; - unsigned long v; assert(length == sizeof(unsigned long)); - return hash_u32(&v, 1, seed); + return hash_u32(&key, 1, seed); } #else static @@ -515,15 +514,15 @@ void *thr_writer(void *_count) if ((addremove == AR_ADD || add_only) || (addremove == AR_RANDOM && rand_r(&rand_lookup) & 1)) { node = malloc(sizeof(struct cds_lfht_node)); - rcu_read_lock(); cds_lfht_node_init(node, (void *)(((unsigned long) rand_r(&rand_lookup) % write_pool_size) + write_pool_offset), sizeof(void *)); + rcu_read_lock(); if (add_unique) { ret_node = cds_lfht_add_unique(test_ht, node); } else { if (add_replace) - ret_node = cds_lfht_replace(test_ht, node); + ret_node = cds_lfht_add_replace(test_ht, node); else cds_lfht_add(test_ht, node); } @@ -545,13 +544,10 @@ void *thr_writer(void *_count) cds_lfht_lookup(test_ht, (void *)(((unsigned long) rand_r(&rand_lookup) % write_pool_size) + write_pool_offset), sizeof(void *), &iter); - node = cds_lfht_iter_get_node(&iter); - if (node) - ret = cds_lfht_del(test_ht, node); - else - ret = -ENOENT; + ret = cds_lfht_del(test_ht, &iter); rcu_read_unlock(); if (ret == 0) { + node = cds_lfht_iter_get_node(&iter); call_rcu(&node->head, free_node_cb); nr_del++; } else @@ -615,7 +611,7 @@ static int populate_hash(void) ret_node = cds_lfht_add_unique(test_ht, node); } else { if (add_replace) - ret_node = cds_lfht_replace(test_ht, node); + ret_node = cds_lfht_add_replace(test_ht, node); else cds_lfht_add(test_ht, node); } @@ -636,6 +632,26 @@ static int populate_hash(void) return 0; } +static +void test_delete_all_nodes(struct cds_lfht *ht) +{ + struct cds_lfht_iter iter; + struct cds_lfht_node *node; + unsigned long count = 0; + + cds_lfht_first(ht, &iter); + while ((node = cds_lfht_iter_get_node(&iter)) != NULL) { + int ret; + + ret = cds_lfht_del(test_ht, &iter); + assert(!ret); + call_rcu(&node->head, free_node_cb); + cds_lfht_next(ht, &iter); + count++; + } + printf("deleted %lu nodes.\n", count); +} + void show_usage(int argc, char **argv) { printf("Usage : %s nr_readers nr_writers duration (s)\n", argv[0]); @@ -933,19 +949,20 @@ int main(int argc, char **argv) if (err != 0) exit(1); - printf("Counting nodes... "); fflush(stdout); rcu_thread_online(); rcu_read_lock(); + printf("Counting nodes... "); cds_lfht_count_nodes(test_ht, &approx_before, &count, &removed, &approx_after); + printf("done.\n"); + test_delete_all_nodes(test_ht); rcu_read_unlock(); rcu_thread_offline(); - printf("done.\n"); if (count || removed) { printf("Approximation before node accounting: %ld nodes.\n", approx_before); - printf("WARNING: nodes left in the hash table upon destroy: " + printf("Nodes deleted from hash table before destroy: " "%lu nodes + %lu logically removed.\n", count, removed); printf("Approximation after node accounting: %ld nodes.\n",