1 /*
2 * Copyright (C) 2024 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 <stdlib.h>
18 #include "test.h"
19
20 static int exit_num = 0;
21 static int is_register = 0;
22
23 /**
24 * @tc.name : atexit_0100
25 * @tc.desc : Construct repeated call
26 * @tc.level : Level 0
27 */
atexit_0100(void)28 void atexit_0100(void)
29 {
30 printf("%s is registered\n", __func__);
31 }
32
33 /**
34 * @tc.name : atexit_0200
35 * @tc.desc : Register atexit_0100 when execute atexit_0200
36 * @tc.level : Level 0
37 */
atexit_0200(void)38 void atexit_0200(void)
39 {
40 exit_num++;
41 if (!is_register) {
42 int result = atexit(atexit_0100);
43 if (result != 0) {
44 t_error("atexit_0200 error get result is not 0\n");
45 }
46 is_register = 1;
47 }
48 }
49
50 /**
51 * @tc.name : atexit_0300
52 * @tc.desc : Execute atexit_0300 when exit to check whether atexit_0200 is double-call
53 * @tc.level : Level 0
54 */
atexit_0300(void)55 void atexit_0300(void)
56 {
57 if (exit_num > 1) {
58 t_error("exit_num from atexit_0200 error get result is not 1, now is %d\n", exit_num);
59 }
60 }
61
main(int argc, char *argv[])62 int main(int argc, char *argv[])
63 {
64 int result = 0;
65 result = atexit(atexit_0300);
66 if (result != 0) {
67 t_error("atexit_0300 error get result is not 0\n");
68 }
69 result = atexit(atexit_0200);
70 if (result != 0) {
71 t_error("atexit_0200 error get result is not 0\n");
72 }
73 return t_status;
74 }