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
49 ret = pthread_detach(thread);
50 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
51
52 ret = pthread_mutex_lock(&g_muxLock001);
53 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
54
55 ret = pthread_mutex_unlock(&g_muxLock001);
56 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
57
58 g_testToCount002 = 1;
59
60 return nullptr;
61
62 EXIT:
63 g_testToCount002 = -1;
64 return nullptr;
65 }
66
ThreadFuncTest1(void * a)67 static void *ThreadFuncTest1(void *a)
68 {
69 int ret;
70
71 ret = pthread_mutex_lock(&g_muxLock001);
72 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
73
74 while (g_testToCount002 != 1) {
75 if (g_testToCount002 == -1) {
76 return nullptr;
77 }
78 }
79
80 ret = pthread_mutex_unlock(&g_muxLock001);
81 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
82
83 g_testToCount001++;
84 return nullptr;
85
86 EXIT:
87 g_testToCount001 = -1;
88 return nullptr;
89 }
90
ThreadFuncTest0(void * a)91 static void *ThreadFuncTest0(void *a)
92 {
93 int ret;
94 struct timespec time;
95 struct timeval timeVal = { 0 };
96
97 gettimeofday(&timeVal, nullptr);
98
99 time.tv_sec = timeVal.tv_sec + 0;
100 time.tv_nsec = (timeVal.tv_usec + 1000 * 10 * 10) * 1000; // 1000, 10 ms to ns
101
102 ret = pthread_mutex_timedlock(&g_muxLock001, &time);
103
104 while (g_testToCount002 != 1) {
105 if (g_testToCount002 == -1) {
106 return nullptr;
107 }
108 }
109
110 if (ret == 0) {
111 ret = pthread_mutex_unlock(&g_muxLock001);
112 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
113 }
114
115 g_testToCount000++;
116 return nullptr;
117
118 EXIT:
119 g_testToCount000 = -1;
120 return nullptr;
121 }
122
123 /* futexlist:
124 * 21(20) -> -1(-1) -> 28(22) -> 27(22) -> 26(22) -> 25(22) -> 24(22) -> 23(22) ->
125 * -1(-1) -> 28(22) -> 27(22) -> 26(22) -> 25(22) -> 24(22) -> 23(22) ->
126 * 27(22) -> 26(22) -> 25(22) -> 24(22) -> 23(22) ->
127 */
Testcase(void)128 static int Testcase(void)
129 {
130 struct sched_param param = { 0 };
131 int ret;
132 int threadCount;
133 pthread_attr_t a = { 0 };
134 pthread_t newPthread[10], newPthread1;
135 pthread_mutexattr_t mutex;
136 int index = TEST_COUNT;
137 int gCurrThreadPri, gCurrThreadPolicy;
138 struct timeval time = { 0 };
139 struct timeval timeVal = { 0 };
140
141 ret = pthread_getschedparam(pthread_self(), &gCurrThreadPolicy, ¶m);
142 ICUNIT_ASSERT_EQUAL(ret, 0, -ret);
143
144 gCurrThreadPri = param.sched_priority;
145
146 ret = pthread_attr_init(&a);
147 // 2, Set the priority according to the task purpose,a smaller number means a higher priority.
148 param.sched_priority = gCurrThreadPri + 2;
149 pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
150 pthread_attr_setschedparam(&a, ¶m);
151
152 while (index) {
153 pthread_mutexattr_settype(&mutex, PTHREAD_MUTEX_NORMAL);
154 pthread_mutex_init(&g_muxLock001, &mutex);
155
156 g_testToCount001 = 0;
157 g_testToCount002 = 0;
158 g_testToCount000 = 0;
159 threadCount = 0;
160
161 ret = pthread_mutex_lock(&g_muxLock001);
162 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
163
164 while (threadCount < NEW_THREAD_COUNT) {
165 if ((threadCount % 2) == 0) { // 2, for index
166 ret = pthread_create(&newPthread[threadCount], &a, ThreadFuncTest1, 0);
167 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
168 } else {
169 ret = pthread_create(&newPthread[threadCount], &a, ThreadFuncTest0, 0);
170 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
171 }
172 threadCount++;
173 }
174
175 usleep(1000 * 10 * 8); // 1000, 10, 8
176
177 ret = pthread_create(&newPthread1, nullptr, ThreadFuncTest2, 0);
178 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
179
180 gettimeofday(&timeVal, nullptr);
181 while (1) {
182 gettimeofday(&time, nullptr);
183 if ((time.tv_sec - timeVal.tv_sec) >= 1) {
184 break;
185 }
186 }
187
188 ret = pthread_mutex_unlock(&g_muxLock001);
189 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
190
191 threadCount = 0;
192 while (threadCount < NEW_THREAD_COUNT) {
193 ret = pthread_join(newPthread[threadCount], nullptr);
194 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
195 threadCount++;
196 }
197
198 ICUNIT_ASSERT_NOT_EQUAL(g_testToCount001, -1, g_testToCount001);
199 ICUNIT_ASSERT_NOT_EQUAL(g_testToCount002, -1, g_testToCount002);
200 ICUNIT_ASSERT_NOT_EQUAL(g_testToCount000, -1, g_testToCount000);
201
202 pthread_mutex_destroy(&g_muxLock003);
203 index--;
204 }
205 return 0;
206 }
207
ItTestPthreadMutex022(void)208 void ItTestPthreadMutex022(void)
209 {
210 TEST_ADD_CASE("IT_POSIX_PTHREAD_MUTEX_022", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
211 }
212