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_muxLock;
34
35 static const unsigned int TEST_COUNT = 5;
36 static int g_testInfo[5] = { 0 };
37 static int g_testToCount = 0;
38 static int g_testBackCount = 0;
39
ThreadFuncTest3(void * a)40 static void *ThreadFuncTest3(void *a)
41 {
42 int ret;
43 int tid = Gettid();
44 pthread_t thread = pthread_self();
45
46 ret = pthread_detach(thread);
47 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
48
49 g_testInfo[g_testToCount] = tid;
50 g_testToCount++;
51
52 ret = pthread_mutex_lock(&g_muxLock);
53 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
54
55 g_testBackCount--;
56
57 ret = pthread_mutex_unlock(&g_muxLock);
58 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
59
60 EXIT:
61 return nullptr;
62 }
63
Testcase(void)64 static int Testcase(void)
65 {
66 struct sched_param param = { 0 };
67 int ret;
68 pthread_attr_t a = { 0 };
69 pthread_t newPthread;
70 pthread_mutexattr_t mutex;
71 int index = 0;
72 int currThreadPri, currThreadPolicy;
73
74 pthread_mutexattr_settype(&mutex, PTHREAD_MUTEX_NORMAL);
75 pthread_mutex_init(&g_muxLock, &mutex);
76
77 param.sched_priority = 20; // 20, Set Priorities
78 ret = pthread_setschedparam(pthread_self(), SCHED_RR, ¶m);
79 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
80
81 ret = pthread_getschedparam(pthread_self(), &currThreadPolicy, ¶m);
82 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
83
84 currThreadPri = param.sched_priority;
85
86 while (index < 2) { // 2
87 g_testToCount = 0;
88 g_testBackCount = TEST_COUNT - 1;
89 ret = pthread_mutex_lock(&g_muxLock);
90 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
91
92 for (int count = 0; count < TEST_COUNT; count++) {
93 ret = pthread_attr_init(&a);
94 param.sched_priority = currThreadPri - count - 1;
95 if (param.sched_priority < 0) {
96 param.sched_priority = 0;
97 printf("sched_priority is zero !!!\n");
98 }
99 pthread_attr_setschedparam(&a, ¶m);
100 pthread_attr_setschedpolicy(&a, currThreadPolicy);
101 pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
102 ret = pthread_create(&newPthread, &a, ThreadFuncTest3, 0);
103 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
104 }
105
106 ret = pthread_mutex_unlock(&g_muxLock);
107 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
108
109 SLEEP_AND_YIELD(1);
110
111 ICUNIT_ASSERT_EQUAL(g_testBackCount, -1, g_testBackCount);
112 ICUNIT_ASSERT_EQUAL(g_testToCount, TEST_COUNT, g_testToCount);
113
114 index++;
115 }
116
117 pthread_mutex_destroy(&g_muxLock);
118 return 0;
119 }
120
ItTestPthreadMutex002(void)121 void ItTestPthreadMutex002(void)
122 {
123 TEST_ADD_CASE("IT_POSIX_PTHREAD_MUTEX_002", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
124 }
125