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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_mutexLock001;
35 static pthread_mutex_t g_mutexLock002;
36 
TaskF01(void * arg)37 static void *TaskF01(void *arg)
38 {
39     unsigned int ret;
40     ret = pthread_mutex_lock(&g_mutexLock001);
41     ICUNIT_TRACK_EQUAL(ret, 0, ret);
42 
43     ret = pthread_mutex_unlock(&g_mutexLock001);
44     ICUNIT_TRACK_EQUAL(ret, 0, ret);
45 
46     return nullptr;
47 }
48 
TestCase(void)49 static unsigned int TestCase(void)
50 {
51     unsigned int ret;
52     pthread_t newThread;
53     pthread_attr_t attr;
54     pthread_mutexattr_t mutexAttr;
55     struct sched_param sp;
56 
57     g_testCount = 0;
58 
59     pthread_mutexattr_init(&mutexAttr);
60 
61     pthread_mutexattr_settype(&mutexAttr, PTHREAD_MUTEX_ERRORCHECK);
62 
63     ret = pthread_mutex_init(&g_mutexLock001, &mutexAttr);
64     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
65 
66     ret = pthread_mutex_init(&g_mutexLock002, nullptr);
67     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
68 
69     ret = pthread_mutex_lock(&g_mutexLock001);
70     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
71 
72     ret = pthread_mutex_lock(&g_mutexLock001);
73     ICUNIT_ASSERT_EQUAL(ret, EDEADLK, ret);
74 
75     ret = pthread_mutex_unlock(&g_mutexLock001);
76     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
77 
78     ret = pthread_attr_init(&attr);
79     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
80     sp.sched_priority = 4; // 4, Set the priority according to the task purpose,a smaller number means a higher priority.
81     ret = pthread_attr_setschedparam(&attr, &sp);
82     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
83 
84     pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
85     ret = pthread_create(&newThread, &attr, TaskF01, nullptr);
86     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
87 
88     LosTaskDelay(5); // 5, delay enouge time
89 
90     ret = pthread_mutex_destroy(&g_mutexLock001);
91     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
92 
93     ret = pthread_mutex_unlock(&g_mutexLock001);
94     ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
95 
96     ret = pthread_mutex_destroy(&g_mutexLock001);
97     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
98 
99     ret = pthread_mutex_destroy(&g_mutexLock001);
100     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
101 
102     ret = pthread_mutex_destroy(&g_mutexLock002);
103     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
104 
105     ret = pthread_join(newThread, nullptr);
106     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
107 
108     ret = pthread_attr_destroy(&attr);
109     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
110 
111     return 0;
112 }
113 
ItTestPthreadMutex010(void)114 void ItTestPthreadMutex010(void)
115 {
116     TEST_ADD_CASE("IT_POSIX_PTHREAD_MUTEX_010", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
117 }
118