1 /*
2 * Copyright (c) 2022 Meta
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <pthread.h>
8
9 #include <zephyr/ztest.h>
10
11 /**
12 * @brief Test to demonstrate limited condition variable resources
13 *
14 * @details Exactly CONFIG_MAX_PTHREAD_COND_COUNT can be in use at once.
15 */
ZTEST(cond,test_cond_resource_exhausted)16 ZTEST(cond, test_cond_resource_exhausted)
17 {
18 size_t i;
19 pthread_cond_t m[CONFIG_MAX_PTHREAD_COND_COUNT + 1];
20
21 for (i = 0; i < CONFIG_MAX_PTHREAD_COND_COUNT; ++i) {
22 zassert_ok(pthread_cond_init(&m[i], NULL), "failed to init cond %zu", i);
23 }
24
25 /* try to initialize one more than CONFIG_MAX_PTHREAD_COND_COUNT */
26 zassert_equal(i, CONFIG_MAX_PTHREAD_COND_COUNT);
27 zassert_not_equal(0, pthread_cond_init(&m[i], NULL), "should not have initialized cond %zu",
28 i);
29
30 for (; i > 0; --i) {
31 zassert_ok(pthread_cond_destroy(&m[i - 1]), "failed to destroy cond %zu", i - 1);
32 }
33 }
34
35 /**
36 * @brief Test to that there are no condition variable resource leaks
37 *
38 * @details Demonstrate that condition variables may be used over and over again.
39 */
ZTEST(cond,test_cond_resource_leak)40 ZTEST(cond, test_cond_resource_leak)
41 {
42 pthread_cond_t cond;
43
44 for (size_t i = 0; i < 2 * CONFIG_MAX_PTHREAD_COND_COUNT; ++i) {
45 zassert_ok(pthread_cond_init(&cond, NULL), "failed to init cond %zu", i);
46 zassert_ok(pthread_cond_destroy(&cond), "failed to destroy cond %zu", i);
47 }
48 }
49
ZTEST(cond,test_pthread_condattr)50 ZTEST(cond, test_pthread_condattr)
51 {
52 pthread_condattr_t att = {0};
53
54 zassert_ok(pthread_condattr_init(&att));
55
56 zassert_ok(pthread_condattr_destroy(&att));
57 }
58
59 /**
60 * @brief Test pthread_cond_init() with a pre-existing initialized attribute.
61 */
ZTEST(cond,test_cond_init_existing_initialized_condattr)62 ZTEST(cond, test_cond_init_existing_initialized_condattr)
63 {
64 pthread_cond_t cond;
65 pthread_condattr_t att = {0};
66
67 zassert_ok(pthread_condattr_init(&att));
68 zassert_ok(pthread_cond_init(&cond, &att), "pthread_cond_init failed with valid attr");
69
70 /* Clean up */
71 zassert_ok(pthread_cond_destroy(&cond));
72 zassert_ok(pthread_condattr_destroy(&att));
73 }
74
75 ZTEST_SUITE(cond, NULL, NULL, NULL, NULL, NULL);
76