1 /*
2 * Copyright (C) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <pthread.h>
17 #include <stdlib.h>
18 #include <unistd.h>
19 #include "functionalext.h"
20
21 static pthread_mutex_t g_mutex;
22
threadfuncA(void * arg)23 void *threadfuncA(void *arg)
24 {
25 int32_t ret = pthread_mutex_lock(&g_mutex);
26 ret = pthread_mutex_unlock(&g_mutex);
27 EXPECT_EQ("pthread_mutex_un_lock_0100", ret, 0);
28 return arg;
29 }
30
threadfuncB(void * arg)31 void *threadfuncB(void *arg)
32 {
33 pthread_mutex_lock(&g_mutex);
34 return arg;
35 }
36
threadfuncC(void * arg)37 void *threadfuncC(void *arg)
38 {
39 int32_t ret = pthread_mutex_unlock(&g_mutex);
40 EXPECT_EQ("pthread_mutex_un_lock_0200", ret, EPERM);
41 return arg;
42 }
43
44 /**
45 * @tc.name: pthread_mutex_un_lock_0100
46 * @tc.desc: Verify process pthread_mutex_un_lock once success.
47 * @tc.level: level 0.
48 */
pthread_mutex_un_lock_0100(void)49 void pthread_mutex_un_lock_0100(void)
50 {
51 int32_t type = PTHREAD_MUTEX_RECURSIVE;
52 pthread_mutex_init(&g_mutex, (pthread_mutexattr_t *)(&type));
53 pthread_t tid1;
54 pthread_create(&tid1, NULL, threadfuncA, NULL);
55 pthread_join(tid1, NULL);
56 }
57
58 /**
59 * @tc.name: pthread_mutex_un_lock_0200
60 * @tc.desc: Verify process pthread_mutex_un_lock fail. Because can not release a mutex pointed to a mutex
61 * that is not this thread.
62 * @tc.level: level 2.
63 */
pthread_mutex_un_lock_0200(void)64 void pthread_mutex_un_lock_0200(void)
65 {
66 int32_t type = PTHREAD_MUTEX_RECURSIVE;
67 pthread_mutex_init(&g_mutex, (pthread_mutexattr_t *)(&type));
68 pthread_t tid2, tid3;
69 pthread_create(&tid2, NULL, threadfuncB, NULL);
70 pthread_join(tid2, NULL);
71 pthread_create(&tid3, NULL, threadfuncC, NULL);
72 pthread_join(tid3, NULL);
73 pthread_mutex_destroy(&g_mutex);
74 }
75
main(void)76 int main(void)
77 {
78 pthread_mutex_un_lock_0100();
79 pthread_mutex_un_lock_0200();
80 return t_status;
81 }