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-rw-r--r--regressions/ck_rwlock/validate/validate.c447
1 files changed, 447 insertions, 0 deletions
diff --git a/regressions/ck_rwlock/validate/validate.c b/regressions/ck_rwlock/validate/validate.c
new file mode 100644
index 0000000..8a32e08
--- /dev/null
+++ b/regressions/ck_rwlock/validate/validate.c
@@ -0,0 +1,447 @@
+/*
+ * Copyright 2011-2015 Samy Al Bahra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <inttypes.h>
+#include <pthread.h>
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+#include <ck_pr.h>
+#include <ck_rwlock.h>
+
+#include "../../common.h"
+
+#ifndef ITERATE
+#define ITERATE 1000000
+#endif
+
+static struct affinity a;
+static unsigned int locked;
+static unsigned int tid = 2;
+static int nthr;
+static ck_rwlock_t lock = CK_RWLOCK_INITIALIZER;
+static ck_rwlock_recursive_t r_lock = CK_RWLOCK_RECURSIVE_INITIALIZER;
+
+static void *
+thread_recursive(void *null CK_CC_UNUSED)
+{
+ int i = ITERATE;
+ unsigned int l;
+ unsigned int t = ck_pr_faa_uint(&tid, 1);
+
+ if (aff_iterate(&a)) {
+ perror("ERROR: Could not affine thread");
+ exit(EXIT_FAILURE);
+ }
+
+ while (i--) {
+ while (ck_rwlock_recursive_write_trylock(&r_lock, t) == false)
+ ck_pr_stall();
+
+ ck_rwlock_recursive_write_lock(&r_lock, t);
+ ck_rwlock_recursive_write_lock(&r_lock, t);
+ ck_rwlock_recursive_write_lock(&r_lock, t);
+
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 8) {
+ ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l);
+ }
+
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ ck_rwlock_recursive_write_unlock(&r_lock);
+ ck_rwlock_recursive_write_unlock(&r_lock);
+ ck_rwlock_recursive_write_unlock(&r_lock);
+ ck_rwlock_recursive_write_unlock(&r_lock);
+
+ ck_rwlock_recursive_read_lock(&r_lock);
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ ck_rwlock_recursive_read_unlock(&r_lock);
+ }
+
+ return (NULL);
+}
+
+#ifdef CK_F_PR_RTM
+static void *
+thread_rtm_adaptive(void *null CK_CC_UNUSED)
+{
+ unsigned int i = ITERATE;
+ unsigned int l;
+ struct ck_elide_config config = CK_ELIDE_CONFIG_DEFAULT_INITIALIZER;
+ struct ck_elide_stat st = CK_ELIDE_STAT_INITIALIZER;
+
+ if (aff_iterate(&a)) {
+ perror("ERROR: Could not affine thread");
+ exit(EXIT_FAILURE);
+ }
+
+ while (i--) {
+ CK_ELIDE_LOCK_ADAPTIVE(ck_rwlock_write, &st, &config, &lock);
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 8) {
+ ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l);
+ }
+
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ CK_ELIDE_UNLOCK_ADAPTIVE(ck_rwlock_write, &st, &lock);
+
+ CK_ELIDE_LOCK(ck_rwlock_read, &lock);
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ CK_ELIDE_UNLOCK(ck_rwlock_read, &lock);
+ }
+
+ return NULL;
+}
+
+static void *
+thread_rtm_mix(void *null CK_CC_UNUSED)
+{
+ unsigned int i = ITERATE;
+ unsigned int l;
+
+ if (aff_iterate(&a)) {
+ perror("ERROR: Could not affine thread");
+ exit(EXIT_FAILURE);
+ }
+
+ while (i--) {
+ if (i & 1) {
+ CK_ELIDE_LOCK(ck_rwlock_write, &lock);
+ } else {
+ ck_rwlock_write_lock(&lock);
+ }
+
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 8) {
+ ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l);
+ }
+
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+
+ if (i & 1) {
+ CK_ELIDE_UNLOCK(ck_rwlock_write, &lock);
+ } else {
+ ck_rwlock_write_unlock(&lock);
+ }
+
+ if (i & 1) {
+ CK_ELIDE_LOCK(ck_rwlock_read, &lock);
+ } else {
+ ck_rwlock_read_lock(&lock);
+ }
+
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+
+ if (i & 1) {
+ CK_ELIDE_UNLOCK(ck_rwlock_read, &lock);
+ } else {
+ ck_rwlock_read_unlock(&lock);
+ }
+ }
+
+ return (NULL);
+}
+
+static void *
+thread_rtm(void *null CK_CC_UNUSED)
+{
+ unsigned int i = ITERATE;
+ unsigned int l;
+
+ if (aff_iterate(&a)) {
+ perror("ERROR: Could not affine thread");
+ exit(EXIT_FAILURE);
+ }
+
+ while (i--) {
+ CK_ELIDE_LOCK(ck_rwlock_write, &lock);
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 8) {
+ ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l);
+ }
+
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ CK_ELIDE_UNLOCK(ck_rwlock_write, &lock);
+
+ CK_ELIDE_LOCK(ck_rwlock_read, &lock);
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ CK_ELIDE_UNLOCK(ck_rwlock_read, &lock);
+ }
+
+ return (NULL);
+}
+#endif /* CK_F_PR_RTM */
+
+static void *
+thread(void *null CK_CC_UNUSED)
+{
+ unsigned int i = ITERATE;
+ unsigned int l;
+
+ if (aff_iterate(&a)) {
+ perror("ERROR: Could not affine thread");
+ exit(EXIT_FAILURE);
+ }
+
+ while (i--) {
+ ck_rwlock_write_lock(&lock);
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+ ck_pr_inc_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 8) {
+ ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l);
+ }
+
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+ ck_pr_dec_uint(&locked);
+
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ ck_rwlock_write_unlock(&lock);
+
+ ck_rwlock_read_lock(&lock);
+ {
+ l = ck_pr_load_uint(&locked);
+ if (l != 0) {
+ ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l);
+ }
+ }
+ ck_rwlock_read_unlock(&lock);
+ }
+
+ return (NULL);
+}
+
+static void
+rwlock_test(pthread_t *threads, void *(*f)(void *), const char *test)
+{
+ int i;
+
+ fprintf(stderr, "Creating threads (%s)...", test);
+ for (i = 0; i < nthr; i++) {
+ if (pthread_create(&threads[i], NULL, f, NULL)) {
+ ck_error("ERROR: Could not create thread %d\n", i);
+ }
+ }
+ fprintf(stderr, ".");
+
+ for (i = 0; i < nthr; i++)
+ pthread_join(threads[i], NULL);
+ fprintf(stderr, "done (passed)\n");
+ return;
+}
+
+int
+main(int argc, char *argv[])
+{
+ pthread_t *threads;
+
+ if (argc != 3) {
+ ck_error("Usage: validate <number of threads> <affinity delta>\n");
+ }
+
+ nthr = atoi(argv[1]);
+ if (nthr <= 0) {
+ ck_error("ERROR: Number of threads must be greater than 0\n");
+ }
+
+ threads = malloc(sizeof(pthread_t) * nthr);
+ if (threads == NULL) {
+ ck_error("ERROR: Could not allocate thread structures\n");
+ }
+
+ a.delta = atoi(argv[2]);
+
+ rwlock_test(threads, thread, "regular");
+#ifdef CK_F_PR_RTM
+ rwlock_test(threads, thread_rtm, "rtm");
+ rwlock_test(threads, thread_rtm_mix, "rtm-mix");
+ rwlock_test(threads, thread_rtm_adaptive, "rtm-adaptive");
+#endif
+ rwlock_test(threads, thread_recursive, "recursive");
+ return 0;
+}
+
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