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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 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 = 1;
38 static volatile int g_testToCount001 = 0;
39 static volatile int g_testToCount002 = 0;
40 static volatile int g_testToCount003 = 0;
41 
ThreadFuncTest3(void * a)42 static void *ThreadFuncTest3(void *a)
43 {
44     int ret;
45     pthread_t thread = pthread_self();
46     int currThreadPri, currThreadPolicy;
47     struct sched_param param = { 0 };
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     gettimeofday(&timeVal, nullptr);
55 
56     time.tv_sec = timeVal.tv_sec + 10; // 10, for test
57     time.tv_nsec = timeVal.tv_usec + 0;
58 
59     ret = pthread_mutex_timedlock(&g_muxLock003, &time);
60     ICUNIT_GOTO_EQUAL(ret, ETIMEDOUT, ret, EXIT);
61 
62     g_testToCount003++;
63 
64     while (g_testToCount002 == 0) {
65         SLEEP_AND_YIELD(2); // 2, delay enouge time
66     }
67 
68     ret = pthread_mutex_unlock(&g_muxLock003);
69     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
70 
71     return nullptr;
72 
73 EXIT:
74     g_testToCount003 = -1;
75     return nullptr;
76 }
77 
ThreadFuncTest2(void * a)78 static void *ThreadFuncTest2(void *a)
79 {
80     int ret;
81     pthread_t thread = pthread_self();
82     struct timespec time;
83     struct timeval timeVal = { 0 };
84 
85     ret = pthread_detach(thread);
86     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
87 
88     gettimeofday(&timeVal, nullptr);
89 
90     time.tv_sec = timeVal.tv_sec + 5; // 5, for test
91     time.tv_nsec = timeVal.tv_usec + 0;
92 
93     ret = pthread_mutex_timedlock(&g_muxLock002, &time);
94     ICUNIT_GOTO_EQUAL(ret, ETIMEDOUT, ret, EXIT);
95 
96     g_testToCount002++;
97 
98     while (g_testToCount001 == 0) {
99         SLEEP_AND_YIELD(2); // 2, delay enouge time
100     }
101 
102     ret = pthread_mutex_unlock(&g_muxLock002);
103     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
104 
105     return nullptr;
106 
107 EXIT:
108     g_testToCount002 = -1;
109     return nullptr;
110 }
111 
ThreadFuncTest1(void * a)112 static void *ThreadFuncTest1(void *a)
113 {
114     int ret;
115     pthread_t thread = pthread_self();
116     struct timespec time;
117     struct timeval timeVal = { 0 };
118 
119     ret = pthread_detach(thread);
120     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
121 
122     gettimeofday(&timeVal, nullptr);
123 
124     time.tv_sec = timeVal.tv_sec + 2; // 2, for test
125     time.tv_nsec = timeVal.tv_usec + 0;
126 
127     ret = pthread_mutex_timedlock(&g_muxLock001, &time);
128     ICUNIT_GOTO_EQUAL(ret, ETIMEDOUT, ret, EXIT);
129 
130     g_testToCount001++;
131 
132     ret = pthread_mutex_unlock(&g_muxLock001);
133     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
134 
135     return nullptr;
136 
137 EXIT:
138     g_testToCount001 = -1;
139     return nullptr;
140 }
141 
Testcase(void)142 static int Testcase(void)
143 {
144     struct sched_param param = { 0 };
145     int ret;
146     void *res = nullptr;
147     pthread_attr_t a = { 0 };
148     pthread_t thread = pthread_self();
149     pthread_t newPthread, newPthread1;
150     pthread_mutexattr_t mutex = { 0 };
151     int index = TEST_COUNT;
152 
153     while (index) {
154         pthread_mutexattr_settype(&mutex, PTHREAD_MUTEX_NORMAL);
155         pthread_mutex_init(&g_muxLock001, &mutex);
156         pthread_mutex_init(&g_muxLock002, &mutex);
157         pthread_mutex_init(&g_muxLock003, &mutex);
158 
159         g_testToCount001 = 0;
160         g_testToCount002 = 0;
161         g_testToCount003 = 0;
162 
163         ret = pthread_mutex_lock(&g_muxLock001);
164         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
165 
166         ret = pthread_mutex_lock(&g_muxLock002);
167         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
168 
169         ret = pthread_mutex_lock(&g_muxLock003);
170         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
171 
172         ret = pthread_create(&newPthread, nullptr, ThreadFuncTest1, 0);
173         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
174 
175         ret = pthread_create(&newPthread, nullptr, ThreadFuncTest2, 0);
176         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
177 
178         ret = pthread_create(&newPthread, nullptr, ThreadFuncTest3, 0);
179         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
180 
181         while (g_testToCount001 == 0 || g_testToCount002 == 0 || g_testToCount003 == 0) {
182         }
183 
184         ICUNIT_ASSERT_NOT_EQUAL(g_testToCount001, -1, g_testToCount001);
185         ICUNIT_ASSERT_NOT_EQUAL(g_testToCount002, -1, g_testToCount002);
186         ICUNIT_ASSERT_NOT_EQUAL(g_testToCount003, -1, g_testToCount003);
187 
188         ret = pthread_mutex_unlock(&g_muxLock001);
189         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
190 
191         ret = pthread_mutex_unlock(&g_muxLock002);
192         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
193 
194         ret = pthread_mutex_unlock(&g_muxLock003);
195         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
196         index--;
197 
198         SLEEP_AND_YIELD(2); // 2, delay enouge time
199     }
200 
201     pthread_mutex_destroy(&g_muxLock001);
202     pthread_mutex_destroy(&g_muxLock002);
203     pthread_mutex_destroy(&g_muxLock003);
204     return 0;
205 }
206 
ItTestPthreadMutex007(void)207 void ItTestPthreadMutex007(void)
208 {
209     TEST_ADD_CASE("IT_POSIX_PTHREAD_MUTEX_007", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
210 }
211