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_muxLock001;
34 static pthread_mutex_t g_muxLock002;
35 static pthread_mutex_t g_muxLock003;
36
37 static const unsigned int TEST_COUNT = 10;
38 static const unsigned int NEW_THREAD_COUNT = 10;
39
40 static volatile int g_testToCount001 = 0;
41 static volatile int g_testToCount002 = 0;
42 static volatile int g_testToCount000 = 0;
43
ThreadFuncTest2(void * a)44 static void *ThreadFuncTest2(void *a)
45 {
46 int ret;
47 pthread_t thread = pthread_self();
48 struct timespec time;
49 struct timeval timeVal = { 0 };
50
51 ret = pthread_detach(thread);
52 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
53
54 ret = pthread_mutex_lock(&g_muxLock001);
55 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
56
57 ret = pthread_mutex_unlock(&g_muxLock001);
58 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
59
60 g_testToCount002 = 1;
61
62 return nullptr;
63
64 EXIT:
65 g_testToCount002 = -1;
66 return nullptr;
67 }
68
ThreadFuncTest1(void * a)69 static void *ThreadFuncTest1(void *a)
70 {
71 int ret;
72 pthread_t thread = pthread_self();
73 struct timespec time;
74 struct timeval timeVal = { 0 };
75
76 ret = pthread_mutex_lock(&g_muxLock001);
77 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
78
79 while (g_testToCount002 != 1) {
80 if (g_testToCount002 == -1) {
81 return nullptr;
82 }
83 }
84
85 ret = pthread_mutex_unlock(&g_muxLock001);
86 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
87
88 g_testToCount001++;
89 return nullptr;
90
91 EXIT:
92 g_testToCount001 = -1;
93 return nullptr;
94 }
95
ThreadFuncTest0(void * a)96 static void *ThreadFuncTest0(void *a)
97 {
98 int ret;
99 pthread_t thread = pthread_self();
100 struct timespec time;
101 struct timeval timeVal = { 0 };
102
103 gettimeofday(&timeVal, nullptr);
104
105 time.tv_sec = timeVal.tv_sec + 0;
106 time.tv_nsec = (timeVal.tv_usec + 1000 * 10 * 10) * 1000; // 1000, 10 ms to ns
107
108 ret = pthread_mutex_timedlock(&g_muxLock001, &time);
109
110 while (g_testToCount002 != 1) {
111 if (g_testToCount002 == -1) {
112 return nullptr;
113 }
114 }
115
116 if (ret == 0) {
117 ret = pthread_mutex_unlock(&g_muxLock001);
118 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
119 }
120
121 g_testToCount000++;
122 return nullptr;
123
124 EXIT:
125 g_testToCount000 = -1;
126 return nullptr;
127 }
128
129 /* futexlist:
130 * 21(20) -> -1(-1) -> 28(22) -> 27(22) -> 26(22) -> 25(22) -> 24(22) -> 23(22) ->
131 * -1(-1) -> 28(22) -> 27(22) -> 26(22) -> 25(22) -> 24(22) -> 23(22) ->
132 * 27(22) -> 26(22) -> 25(22) -> 24(22) -> 23(22) ->
133 */
Testcase(void)134 static int Testcase(void)
135 {
136 struct sched_param param = { 0 };
137 int ret;
138 int threadCount;
139 void *res = nullptr;
140 pthread_attr_t a = { 0 };
141 pthread_t thread = pthread_self();
142 pthread_t newPthread[10], newPthread1;
143 pthread_mutexattr_t mutex;
144 int index = TEST_COUNT;
145 int gCurrThreadPri, gCurrThreadPolicy;
146 struct timeval time = { 0 };
147 struct timeval timeVal = { 0 };
148
149 ret = pthread_getschedparam(pthread_self(), &gCurrThreadPolicy, ¶m);
150 ICUNIT_ASSERT_EQUAL(ret, 0, -ret);
151
152 gCurrThreadPri = param.sched_priority;
153
154 ret = pthread_attr_init(&a);
155 // 2, Set the priority according to the task purpose,a smaller number means a higher priority.
156 param.sched_priority = gCurrThreadPri + 2;
157 pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
158 pthread_attr_setschedparam(&a, ¶m);
159
160 while (index) {
161 pthread_mutexattr_settype(&mutex, PTHREAD_MUTEX_NORMAL);
162 pthread_mutex_init(&g_muxLock001, &mutex);
163
164 g_testToCount001 = 0;
165 g_testToCount002 = 0;
166 g_testToCount000 = 0;
167 threadCount = 0;
168
169 ret = pthread_mutex_lock(&g_muxLock001);
170 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
171
172 ret = pthread_create(&newPthread[threadCount], &a, ThreadFuncTest0, 0);
173 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
174
175 threadCount = 1;
176 ret = pthread_create(&newPthread[threadCount], &a, ThreadFuncTest0, 0);
177 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
178
179 threadCount = 2; // 2
180 while (threadCount < NEW_THREAD_COUNT) {
181 ret = pthread_create(&newPthread[threadCount], &a, ThreadFuncTest1, 0);
182 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
183 threadCount++;
184 }
185
186 usleep(1000 * 10 * 8); // 1000, 10, 8
187
188 ret = pthread_create(&newPthread1, nullptr, ThreadFuncTest2, 0);
189 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
190
191 gettimeofday(&timeVal, nullptr);
192 while (1) {
193 gettimeofday(&time, nullptr);
194 if ((time.tv_sec - timeVal.tv_sec) >= 1) {
195 break;
196 }
197 }
198
199 ret = pthread_mutex_unlock(&g_muxLock001);
200 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
201
202 threadCount = 0;
203 while (threadCount < NEW_THREAD_COUNT) {
204 ret = pthread_join(newPthread[threadCount], nullptr);
205 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
206 threadCount++;
207 }
208
209 ICUNIT_ASSERT_NOT_EQUAL(g_testToCount001, -1, g_testToCount001);
210 ICUNIT_ASSERT_NOT_EQUAL(g_testToCount002, -1, g_testToCount002);
211 ICUNIT_ASSERT_EQUAL(g_testToCount001, NEW_THREAD_COUNT - 2, g_testToCount001); // 2, test value
212
213 pthread_mutex_destroy(&g_muxLock003);
214 index--;
215 }
216 return 0;
217 }
218
ItTestPthreadMutex020(void)219 void ItTestPthreadMutex020(void)
220 {
221 TEST_ADD_CASE("IT_POSIX_PTHREAD_MUTEX_020", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
222 }
223