1 /*
2 * Copyright (c) 2018 Intel Corporation
3 * Copyright (c) 2025 Tenstorrent AI ULC
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 */
7
8 #include <pthread.h>
9 #include <time.h>
10
11 #include <zephyr/logging/log.h>
12 #include <zephyr/sys/util.h>
13 #include <zephyr/ztest.h>
14
15 #define SELECT_NANOSLEEP 1
16 #define SELECT_CLOCK_NANOSLEEP 0
17
18 void common_lower_bound_check(int selection, clockid_t clock_id, int flags, const uint32_t s,
19 uint32_t ns);
20 int select_nanosleep(int selection, clockid_t clock_id, int flags, const struct timespec *rqtp,
21 struct timespec *rmtp);
22
ZTEST(posix_clock_selection,test_clock_nanosleep_execution)23 ZTEST(posix_clock_selection, test_clock_nanosleep_execution)
24 {
25 struct timespec ts;
26
27 clock_gettime(CLOCK_MONOTONIC, &ts);
28
29 /* absolute sleeps with the monotonic clock and reference time ts */
30
31 /* until 1s + 1ns past the reference time */
32 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_MONOTONIC, TIMER_ABSTIME,
33 ts.tv_sec + 1, 1);
34
35 /* until 1s + 1us past the reference time */
36 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_MONOTONIC, TIMER_ABSTIME,
37 ts.tv_sec + 1, 1000);
38
39 /* until 1s + 500000000ns past the reference time */
40 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_MONOTONIC, TIMER_ABSTIME,
41 ts.tv_sec + 1, 500000000);
42
43 /* until 2s past the reference time */
44 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_MONOTONIC, TIMER_ABSTIME,
45 ts.tv_sec + 2, 0);
46
47 /* until 2s + 1ns past the reference time */
48 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_MONOTONIC, TIMER_ABSTIME,
49 ts.tv_sec + 2, 1);
50
51 /* until 2s + 1us + 1ns past reference time */
52 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_MONOTONIC, TIMER_ABSTIME,
53 ts.tv_sec + 2, 1001);
54
55 clock_gettime(CLOCK_REALTIME, &ts);
56
57 /* absolute sleeps with the real time clock and adjusted reference time ts */
58
59 /* until 1s + 1ns past the reference time */
60 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_REALTIME, TIMER_ABSTIME,
61 ts.tv_sec + 1, 1);
62
63 /* until 1s + 1us past the reference time */
64 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_REALTIME, TIMER_ABSTIME,
65 ts.tv_sec + 1, 1000);
66
67 /* until 1s + 500000000ns past the reference time */
68 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_REALTIME, TIMER_ABSTIME,
69 ts.tv_sec + 1, 500000000);
70
71 /* until 2s past the reference time */
72 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_REALTIME, TIMER_ABSTIME,
73 ts.tv_sec + 2, 0);
74
75 /* until 2s + 1ns past the reference time */
76 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_REALTIME, TIMER_ABSTIME,
77 ts.tv_sec + 2, 1);
78
79 /* until 2s + 1us + 1ns past the reference time */
80 common_lower_bound_check(SELECT_CLOCK_NANOSLEEP, CLOCK_REALTIME, TIMER_ABSTIME,
81 ts.tv_sec + 2, 1001);
82 }
83
ZTEST(posix_clock_selection,test_pthread_condattr_getclock)84 ZTEST(posix_clock_selection, test_pthread_condattr_getclock)
85 {
86 clockid_t clock_id;
87 pthread_condattr_t att = {0};
88
89 zassert_ok(pthread_condattr_init(&att));
90
91 zassert_ok(pthread_condattr_getclock(&att, &clock_id), "pthread_condattr_getclock failed");
92 zassert_equal(clock_id, CLOCK_REALTIME, "clock attribute not set correctly");
93
94 zassert_ok(pthread_condattr_destroy(&att));
95 }
96
ZTEST(posix_clock_selection,test_pthread_condattr_setclock)97 ZTEST(posix_clock_selection, test_pthread_condattr_setclock)
98 {
99 clockid_t clock_id;
100 pthread_condattr_t att = {0};
101
102 zassert_ok(pthread_condattr_init(&att));
103
104 zassert_ok(pthread_condattr_setclock(&att, CLOCK_MONOTONIC),
105 "pthread_condattr_setclock failed");
106
107 zassert_ok(pthread_condattr_getclock(&att, &clock_id), "pthread_condattr_setclock failed");
108 zassert_equal(clock_id, CLOCK_MONOTONIC, "clock attribute not set correctly");
109
110 zassert_equal(pthread_condattr_setclock(&att, 42), -EINVAL,
111 "pthread_condattr_setclock did not return EINVAL");
112
113 zassert_ok(pthread_condattr_destroy(&att));
114 }
115
116 ZTEST_SUITE(posix_clock_selection, NULL, NULL, NULL, NULL, NULL);
117
