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 <stdio.h>
17 #include <pthread.h>
18 #include <time.h>
19 #include "test.h"
20
21 #define TEST(c, ...) ((c) || (t_error(#c " failed: " __VA_ARGS__), 0))
22 #define SLEEP_20_MS (20000)
23
24 pthread_rwlock_t g_rwlock1;
25 static int number = 0;
26
pthreadRdlockR1(void * arg)27 static void *pthreadRdlockR1(void *arg)
28 {
29 TEST(pthread_rwlock_rdlock(&g_rwlock1) == 0);
30 number++;
31 TEST(pthread_rwlock_unlock(&g_rwlock1) == 0);
32 return arg;
33 }
34
pthreadRdlockR2(void * arg)35 static void *pthreadRdlockR2(void *arg)
36 {
37 usleep(SLEEP_20_MS);
38 TEST(pthread_rwlock_rdlock(&g_rwlock1) == 0);
39 number--;
40 TEST(pthread_rwlock_unlock(&g_rwlock1) == 0);
41 return arg;
42 }
43
44 /**
45 * @tc.name : pthread_rwlock_rdlock_0100
46 * @tc.desc : Verify read lock read-write lock success
47 * @tc.level : Level 0
48 */
pthread_rwlock_rdlock_0100(void)49 void pthread_rwlock_rdlock_0100(void)
50 {
51 pthread_t thread;
52 TEST(pthread_rwlock_init(&g_rwlock1, NULL) == 0);
53 TEST(pthread_rwlock_rdlock(&g_rwlock1) == 0);
54 TEST(pthread_rwlock_unlock(&g_rwlock1) == 0);
55 TEST(pthread_rwlock_destroy(&g_rwlock1) == 0);
56 }
57
58 /**
59 * @tc.name : pthread_rwlock_rdlock_0200
60 * @tc.desc : Verify that the read lock is successful for multiple read-write locks
61 * @tc.level : Level 1
62 */
pthread_rwlock_rdlock_0200(void)63 void pthread_rwlock_rdlock_0200(void)
64 {
65 pthread_t thread;
66 TEST(pthread_rwlock_init(&g_rwlock1, NULL) == 0);
67 TEST(pthread_rwlock_rdlock(&g_rwlock1) == 0);
68 TEST(pthread_rwlock_rdlock(&g_rwlock1) == 0);
69 TEST(pthread_rwlock_unlock(&g_rwlock1) == 0);
70 TEST(pthread_rwlock_unlock(&g_rwlock1) == 0);
71 TEST(pthread_rwlock_destroy(&g_rwlock1) == 0);
72 }
73
74 /**
75 * @tc.name : pthread_rwlock_rdlock_0300
76 * @tc.desc : Verify that the read lock read-write lock is successfully set multiple times
77 * @tc.level : Level 1
78 */
pthread_rwlock_rdlock_0300(void)79 void pthread_rwlock_rdlock_0300(void)
80 {
81 pthread_t tid[2];
82 TEST(pthread_rwlock_init(&g_rwlock1, NULL) == 0);
83
84 TEST(pthread_create(&tid[0], NULL, pthreadRdlockR1, NULL) == 0);
85 TEST(pthread_create(&tid[1], NULL, pthreadRdlockR2, NULL) == 0);
86 TEST(pthread_join(tid[0], NULL) == 0);
87 TEST(pthread_join(tid[1], NULL) == 0);
88 TEST(number == 0);
89 TEST(pthread_rwlock_destroy(&g_rwlock1) == 0);
90 }
91
main(int argc,char * argv[])92 int main(int argc, char *argv[])
93 {
94 pthread_rwlock_rdlock_0100();
95 pthread_rwlock_rdlock_0200();
96 pthread_rwlock_rdlock_0300();
97 return t_status;
98 }