1 /*
2 * Copyright (c) 2017 Intel Corporation
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/ztest.h>
8 #include <zephyr/irq_offload.h>
9 #include "test_sched.h"
10
11 /* local variables */
12 static struct k_thread tdata;
13 static struct k_sem end_sema;
14
tIsr(const void * data)15 static void tIsr(const void *data)
16 {
17 /** TESTPOINT: The code is running at ISR. */
18 zassert_false(k_is_preempt_thread());
19 }
20
tpreempt_ctx(void * p1,void * p2,void * p3)21 static void tpreempt_ctx(void *p1, void *p2, void *p3)
22 {
23 /** TESTPOINT: The thread's priority is in the preemptible range. */
24 zassert_true(k_is_preempt_thread());
25 k_sched_lock();
26 /** TESTPOINT: The thread has locked the scheduler. */
27 zassert_false(k_is_preempt_thread());
28 k_sched_unlock();
29 /** TESTPOINT: The thread has not locked the scheduler. */
30 zassert_true(k_is_preempt_thread());
31 k_thread_priority_set(k_current_get(), K_PRIO_COOP(1));
32 /** TESTPOINT: The thread's priority is in the cooperative range. */
33 zassert_false(k_is_preempt_thread());
34 k_sem_give(&end_sema);
35 }
36
tcoop_ctx(void * p1,void * p2,void * p3)37 static void tcoop_ctx(void *p1, void *p2, void *p3)
38 {
39 /** TESTPOINT: The thread's priority is in the cooperative range. */
40 zassert_false(k_is_preempt_thread());
41 k_thread_priority_set(k_current_get(), K_PRIO_PREEMPT(1));
42 /** TESTPOINT: The thread's priority is in the preemptible range. */
43 zassert_true(k_is_preempt_thread());
44 k_sched_lock();
45 /** TESTPOINT: The thread has locked the scheduler. */
46 zassert_false(k_is_preempt_thread());
47 k_sched_unlock();
48 /** TESTPOINT: The thread has not locked the scheduler. */
49 zassert_true(k_is_preempt_thread());
50 k_sem_give(&end_sema);
51 }
52
53 /* test cases */
54
55 /**
56 * @brief Validate the correctness of k_is_preempt_thread()
57 *
58 * @details Create a preemptive thread, lock the scheduler
59 * and call k_is_preempt_thread(). Unlock the scheduler and
60 * call k_is_preempt_thread() again. Create a cooperative
61 * thread and lock the scheduler k_is_preempt_thread() and
62 * unlock the scheduler and call k_is_preempt_thread().
63 *
64 * @see k_is_preempt_thread()
65 *
66 * @ingroup kernel_sched_tests
67 */
ZTEST(threads_scheduling,test_sched_is_preempt_thread)68 ZTEST(threads_scheduling, test_sched_is_preempt_thread)
69 {
70 k_sem_init(&end_sema, 0, 1);
71
72 /* create preempt thread */
73 k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
74 tpreempt_ctx, NULL, NULL, NULL,
75 K_PRIO_PREEMPT(1), 0, K_NO_WAIT);
76 k_sem_take(&end_sema, K_FOREVER);
77 k_thread_abort(tid);
78
79 /* create coop thread */
80 tid = k_thread_create(&tdata, tstack, STACK_SIZE,
81 tcoop_ctx, NULL, NULL, NULL,
82 K_PRIO_COOP(1), 0, K_NO_WAIT);
83 k_sem_take(&end_sema, K_FOREVER);
84 k_thread_abort(tid);
85
86 /* invoke isr */
87 irq_offload(tIsr, NULL);
88 }
89
