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 static pthread_mutex_t g_mutexLock;
34
35 static int g_testToCount = 0;
36 static int g_testBackCount = 0;
37
ThreadFuncTest3(void * a)38 static void *ThreadFuncTest3(void *a)
39 {
40 int ret;
41 int tid = Gettid();
42 pthread_t thread = pthread_self();
43
44 ret = pthread_detach(thread);
45 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
46
47 g_testToCount++;
48 ret = pthread_mutex_lock(&g_mutexLock);
49 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
50
51 g_testToCount++;
52 ret = pthread_mutex_unlock(&g_mutexLock);
53 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
54
55 EXIT:
56 return nullptr;
57 }
58
ThreadFuncTest2(void * a)59 static void *ThreadFuncTest2(void *a)
60 {
61 int ret;
62 int tid = Gettid();
63 pthread_t thread = pthread_self();
64
65 g_testBackCount++;
66 ret = pthread_mutex_lock(&g_mutexLock);
67 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
68
69 g_testBackCount++;
70 ret = pthread_mutex_unlock(&g_mutexLock);
71 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
72
73 EXIT:
74 return nullptr;
75 }
76
TestCase(void)77 static int TestCase(void)
78 {
79 struct sched_param param = { 0 };
80 int ret;
81 void *res = nullptr;
82 int currThreadPri, currThreadPolicy;
83 pthread_attr_t a = { 0 };
84 pthread_t thread = pthread_self();
85 pthread_t newPthread;
86 pthread_mutexattr_t mutex;
87 pthread_mutexattr_settype(&mutex, PTHREAD_MUTEX_NORMAL);
88 pthread_mutex_init(&g_mutexLock, &mutex);
89
90 g_testToCount = 0;
91 g_testBackCount = 0;
92
93 SLEEP_AND_YIELD(1);
94
95 ret = pthread_mutex_lock(&g_mutexLock);
96 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
97
98 ret = pthread_getschedparam(pthread_self(), &currThreadPolicy, ¶m);
99 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
100
101 currThreadPri = param.sched_priority;
102
103 // 2, Set the priority according to the task purpose,a smaller number means a higher priority.
104 param.sched_priority = currThreadPri - 2;
105 pthread_attr_init(&a);
106 pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
107 pthread_attr_setschedparam(&a, ¶m);
108 pthread_attr_setschedpolicy(&a, currThreadPolicy);
109 ret = pthread_create(&newPthread, &a, ThreadFuncTest3, 0);
110 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
111
112 SLEEP_AND_YIELD(5); // 5, delay enouge time
113
114 ICUNIT_ASSERT_EQUAL(g_testToCount, 1, g_testToCount);
115
116 ret = pthread_create(&newPthread, nullptr, ThreadFuncTest2, 0);
117 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
118
119 SLEEP_AND_YIELD(5); // 5, delay enouge time
120
121 ICUNIT_ASSERT_EQUAL(g_testBackCount, 1, g_testBackCount);
122
123 ret = pthread_mutex_unlock(&g_mutexLock);
124 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
125
126 ret = pthread_join(newPthread, nullptr);
127 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
128
129 ICUNIT_ASSERT_EQUAL(g_testBackCount, 2, g_testBackCount); // 2,The expected value
130 ICUNIT_ASSERT_EQUAL(g_testToCount, 2, g_testToCount); // 2,The expected value
131
132 pthread_mutex_destroy(&g_mutexLock);
133 return 0;
134 }
135
ItTestPthreadMutex017(void)136 void ItTestPthreadMutex017(void)
137 {
138 TEST_ADD_CASE("IT_POSIX_PTHREAD_MUTEX_017", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
139 }
140