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_mutex045;
34
TaskF01(void *argument)35 static VOID *TaskF01(void *argument)
36 {
37 int ret;
38 ret = pthread_mutex_trylock(&g_mutex045);
39 ICUNIT_TRACK_EQUAL(ret, EBUSY, ret);
40 return NULL;
41 }
42
Testcasenull43 static UINT32 Testcase(VOID)
44 {
45 pthread_mutexattr_t mta;
46 int ret;
47 pthread_attr_t attr;
48 pthread_t newTh;
49
50 ret = pthread_mutexattr_init(&mta);
51 ret = pthread_mutex_init(&g_mutex045, &mta);
52
53 ret = pthread_mutex_trylock(&g_mutex045);
54 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
55
56 ret = pthread_mutex_trylock(&g_mutex045);
57 ICUNIT_ASSERT_EQUAL(ret, EBUSY, ret);
58
59 ret = PosixPthreadInit(&attr, 4); // 4, Set thread priority.
60 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
61
62 ret = pthread_create(&newTh, &attr, TaskF01, NULL);
63 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
64
65 ret = pthread_mutex_unlock(&g_mutex045);
66 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
67
68 pthread_mutex_destroy(&g_mutex045);
69 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
70
71 ret = pthread_join(newTh, NULL);
72 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
73
74 return LOS_OK;
75 }
76
77 /**
78 * @tc.name: ItPosixMux024
79 * @tc.desc: Test interface pthread_mutex_trylock
80 * @tc.type: FUNC
81 * @tc.require: issueI5WZI6
82 */
83
ItPosixMux024(void)84 VOID ItPosixMux024(void)
85 {
86 TEST_ADD_CASE("ItPosixMux024", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
87 }
88