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_mutex046;
34 static UINT32 g_nID;
35
TaskF01(void *arg)36 static void *TaskF01(void *arg)
37 {
38 int ret;
39 ret = pthread_mutex_trylock(&g_mutex046);
40 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
41
42 g_nID = OsCurrTaskGet()->taskID;
43 LOS_TaskSuspend(OsCurrTaskGet()->taskID);
44
45 ret = pthread_mutex_unlock(&g_mutex046);
46 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
47
48 EXIT:
49 return NULL;
50 }
51
Testcasenull52 static UINT32 Testcase(VOID)
53 {
54 int ret;
55 pthread_t newTh;
56 pthread_attr_t attr;
57
58 ret = pthread_mutex_init(&g_mutex046, NULL);
59 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
60
61 ret = pthread_mutex_trylock(&g_mutex046);
62 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
63
64 ret = pthread_mutex_trylock(&g_mutex046);
65 ICUNIT_ASSERT_EQUAL(ret, EBUSY, ret);
66
67 ret = pthread_mutex_unlock(&g_mutex046);
68 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
69
70 ret = PosixPthreadInit(&attr, MUTEX_TEST_HIGH_PRIO);
71 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
72
73 ret = pthread_create(&newTh, &attr, TaskF01, NULL);
74 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
75
76 ret = pthread_mutex_unlock(&g_mutex046);
77 ICUNIT_ASSERT_EQUAL(ret, EINVAL, ret);
78
79 LOS_TaskResume(g_nID);
80
81 ret = pthread_mutex_unlock(&g_mutex046);
82 ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
83
84 ret = pthread_mutex_destroy(&g_mutex046);
85 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
86
87 ret = pthread_join(newTh, NULL);
88 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
89
90 return LOS_OK;
91 }
92
93 /**
94 * @tc.name: ItPosixMux045
95 * @tc.desc: Test interface pthread_mutex_trylock
96 * @tc.type: FUNC
97 * @tc.require: issueI5YAEX
98 */
99
ItPosixMux045(void)100 VOID ItPosixMux045(void)
101 {
102 TEST_ADD_CASE("ItPosixMux045", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
103 }
104