1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include "it_mutex_test.h"
32
33
34 static pthread_mutex_t g_muxLock;
35
TaskF01(void * arg)36 static void *TaskF01(void *arg)
37 {
38 unsigned int ret;
39 ret = pthread_mutex_trylock(&g_muxLock);
40 ICUNIT_TRACK_EQUAL(ret, EBUSY, ret);
41
42 g_testCount++;
43
44 ret = pthread_mutex_lock(&g_muxLock);
45 ICUNIT_TRACK_EQUAL(ret, 0, ret);
46
47 ret = pthread_mutex_unlock(&g_muxLock);
48 ICUNIT_TRACK_EQUAL(ret, 0, ret);
49 g_testCount++;
50
51 return nullptr;
52 }
53
TestCase(void)54 static unsigned int TestCase(void)
55 {
56 unsigned int ret;
57 pthread_t newThread;
58 pthread_attr_t attr;
59 pthread_mutexattr_t mutexAttr;
60 struct sched_param sp;
61
62 g_testCount = 0;
63
64 pthread_mutexattr_init(&mutexAttr);
65 pthread_mutexattr_settype(&mutexAttr, PTHREAD_MUTEX_ERRORCHECK);
66
67 ret = pthread_mutex_init(&g_muxLock, &mutexAttr);
68 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
69
70 ret = pthread_mutex_lock(&g_muxLock);
71 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
72
73 ret = pthread_attr_init(&attr);
74 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
75 sp.sched_priority = 4; // 4, Set the priority according to the task purpose,a smaller number means a higher priority.
76 ret = pthread_attr_setschedparam(&attr, &sp);
77 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
78
79 pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
80 ret = pthread_create(&newThread, &attr, TaskF01, nullptr);
81 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
82
83 LosTaskDelay(5); // 5, delay enouge time
84 ICUNIT_ASSERT_EQUAL(g_testCount, 1, g_testCount);
85
86 ret = pthread_mutex_unlock(&g_muxLock);
87 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
88
89 #ifdef LOSCFG_USER_TEST_SMP
90 LosTaskDelay(5); // 5, delay enouge time
91 #endif
92 ICUNIT_ASSERT_EQUAL(g_testCount, 2, g_testCount); // 2,The expected value
93
94 ret = pthread_mutex_lock(&g_muxLock);
95 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
96
97 ret = pthread_mutex_lock(&g_muxLock);
98 ICUNIT_ASSERT_EQUAL(ret, EDEADLK, ret);
99
100 ret = pthread_mutex_lock(&g_muxLock);
101 ICUNIT_ASSERT_EQUAL(ret, EDEADLK, ret);
102
103 ret = pthread_mutex_unlock(&g_muxLock);
104 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
105
106 ret = pthread_mutex_unlock(&g_muxLock);
107 ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
108
109 ret = pthread_mutex_unlock(&g_muxLock);
110 ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
111
112 ret = pthread_mutex_destroy(&g_muxLock);
113 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
114
115 ret = pthread_join(newThread, nullptr);
116 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
117 return 0;
118 }
119
ItTestPthreadMutex009(void)120 void ItTestPthreadMutex009(void)
121 {
122 TEST_ADD_CASE("IT_POSIX_PTHREAD_MUTEX_009", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
123 }
124