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_once_t g_once = PTHREAD_ONCE_INIT;
22 static int32_t g_count = 0;
23 
OnceRun(void)24 void OnceRun(void)
25 {
26     g_count++;
27 }
28 
threadfuncA(void *arg)29 void *threadfuncA(void *arg)
30 {
31     int32_t ret = pthread_once(&g_once, OnceRun);
32     EXPECT_EQ("pthread_once_0100", ret, 0);
33     return arg;
34 }
35 
threadfuncB(void *arg)36 void *threadfuncB(void *arg)
37 {
38     int32_t ret = pthread_once(&g_once, OnceRun);
39     EXPECT_EQ("pthread_once_0100", ret, 0);
40     return arg;
41 }
42 
43 /**
44  * @tc.name:      pthread_once_0100
45  * @tc.desc:      Verify process pthread_mutex_once success.
46  * @tc.level:     level 0.
47  */
pthread_once_0100(void)48 void pthread_once_0100(void)
49 {
50     pthread_t tid1, tid2;
51     pthread_create(&tid1, NULL, threadfuncA, NULL);
52     pthread_create(&tid2, NULL, threadfuncB, NULL);
53     pthread_join(tid1, NULL);
54     pthread_join(tid2, NULL);
55 }
56 
main(void)57 int main(void)
58 {
59     pthread_once_0100();
60     return t_status;
61 }