1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification,
5  * are permitted provided that the following conditions are met:
6  *
7  * 1. Redistributions of source code must retain the above copyright notice, this list of
8  * conditions and the following disclaimer.
9  *
10  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11  * of conditions and the following disclaimer in the documentation and/or other materials
12  * provided with the distribution.
13  *
14  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15  * to endorse or promote products derived from this software without specific prior written
16  * permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "It_posix_mutex.h"
32 
33 static pthread_mutex_t g_mutex066;
34 
TaskF01(void *argv)35 static void *TaskF01(void *argv)
36 {
37     UINT32 ret;
38     g_testCount++;
39 
40     ret = pthread_mutex_trylock(&g_mutex066);
41     ICUNIT_TRACK_EQUAL(ret, 0, ret);
42 
43     ret = pthread_mutex_trylock(&g_mutex066);
44     ICUNIT_TRACK_EQUAL(ret, EBUSY, ret);
45 
46     LOS_TaskDelay(2); // 2, set delay time.
47 
48     ret = pthread_mutex_unlock(&g_mutex066);
49     ICUNIT_TRACK_EQUAL(ret, 0, ret);
50 
51     ret = pthread_mutex_unlock(&g_mutex066);
52     ICUNIT_TRACK_NOT_EQUAL(ret, 0, ret);
53 
54     g_testCount++;
55 
56     return NULL;
57 }
58 
Testcasenull59 static UINT32 Testcase(VOID)
60 {
61     UINT32 ret;
62     pthread_t newTh;
63     pthread_attr_t attr;
64 
65     g_testCount = 0;
66 
67     ret = pthread_mutex_init(&g_mutex066, NULL);
68     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
69 
70     ret = PosixPthreadInit(&attr, MUTEX_TEST_HIGH_PRIO);
71     ICUNIT_ASSERT_EQUAL(ret, LOS_OK, ret);
72 
73     ret = pthread_create(&newTh, &attr, TaskF01, NULL);
74     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
75 
76     ICUNIT_ASSERT_EQUAL(g_testCount, 1, g_testCount);
77 
78     ret = pthread_mutex_destroy(&g_mutex066);
79     ICUNIT_ASSERT_EQUAL(ret, EBUSY, ret);
80 
81     LOS_TaskDelay(3); // 3, set delay time.
82 
83     ICUNIT_ASSERT_EQUAL(g_testCount, 2, g_testCount); // 2, Assert that g_testCount.
84 
85     ret = pthread_mutex_destroy(&g_mutex066);
86     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
87 
88     ret = PosixPthreadDestroy(&attr, newTh);
89     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
90 
91     return LOS_OK;
92 }
93 
94 /**
95  * @tc.name: ItPosixMux040
96  * @tc.desc: Test interface pthread_mutex_trylock
97  * @tc.type: FUNC
98  * @tc.require: issueI5YAEX
99  */
100 
ItPosixMux040(void)101 VOID ItPosixMux040(void)
102 {
103     TEST_ADD_CASE("ItPosixMux040", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
104 }
105