1 /*
2 * Copyright (c) 2017 Wind River Systems, Inc.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/kernel.h>
8 #include <zephyr/sys/printk.h>
9 #include <zephyr/ztest.h>
10
11 #define NUM_TIMEOUTS 3
12
13 static struct k_timer timer[NUM_TIMEOUTS];
14 static struct k_sem sem[NUM_TIMEOUTS];
15
16 static int results[NUM_TIMEOUTS], cur;
17
thread(void * p1,void * p2,void * p3)18 static void thread(void *p1, void *p2, void *p3)
19 {
20 ARG_UNUSED(p2);
21 ARG_UNUSED(p3);
22
23 uintptr_t id = (uintptr_t)p1;
24
25 k_timer_status_sync(&timer[id]);
26
27 /* no need to protect cur, all threads have the same prio */
28 results[cur++] = id;
29
30 k_sem_give(&sem[id]);
31 }
32
33 #define STACKSIZE (512 + CONFIG_TEST_EXTRA_STACK_SIZE)
34
35 static K_THREAD_STACK_ARRAY_DEFINE(stacks, NUM_TIMEOUTS, STACKSIZE);
36 static struct k_thread threads[NUM_TIMEOUTS];
37
38 /**
39 * @addtogroup kernel_common_tests
40 * @{
41 */
42
43 /**
44 * @brief Test timeout ordering
45 *
46 * @details Timeouts, when expiring on the same tick, should be handled
47 * in the same order they were queued.
48 *
49 * @see k_timer_start()
50 */
ZTEST(common_1cpu,test_timeout_order)51 ZTEST(common_1cpu, test_timeout_order)
52 {
53 int ii, prio = k_thread_priority_get(k_current_get()) + 1;
54
55 for (ii = 0; ii < NUM_TIMEOUTS; ii++) {
56 (void)k_thread_create(&threads[ii], stacks[ii], STACKSIZE,
57 thread, INT_TO_POINTER(ii), 0, 0,
58 prio, 0, K_NO_WAIT);
59 k_timer_init(&timer[ii], 0, 0);
60 k_sem_init(&sem[ii], 0, 1);
61 results[ii] = -1;
62 }
63
64
65 uint32_t uptime = k_uptime_get_32();
66
67 /* sync on tick */
68 while (uptime == k_uptime_get_32()) {
69 Z_SPIN_DELAY(50);
70 }
71
72 for (ii = 0; ii < NUM_TIMEOUTS; ii++) {
73 k_timer_start(&timer[ii], K_MSEC(100), K_NO_WAIT);
74 }
75
76 /* Wait for all timers to fire */
77 k_msleep(125);
78
79 /* Check results */
80 for (ii = 0; ii < NUM_TIMEOUTS; ii++) {
81 zassert_equal(results[ii], ii, "");
82 }
83
84 /* Clean up */
85 for (ii = 0; ii < NUM_TIMEOUTS; ii++) {
86 k_timer_stop(&timer[ii]);
87 k_thread_join(&threads[ii], K_FOREVER);
88 }
89 }
90
91 extern void *common_setup(void);
92 ZTEST_SUITE(common_1cpu, NULL, common_setup,
93 ztest_simple_1cpu_before, ztest_simple_1cpu_after, NULL);
94
95 /**
96 * @}
97 */
98
