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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 <signal.h>
17 
18 #include "test.h"
19 
20 /**
21  * @tc.name      : sigwait_0100
22  * @tc.desc      : wait for a signal
23  * @tc.level     : Level 0
24  */
sigwait_0100(void)25 void sigwait_0100(void)
26 {
27     sigset_t set = {0};
28     int result = sigemptyset(&set);
29     if (result != 0) {
30         t_error("%s failed: result = %d\n", __func__, result);
31     }
32 
33     int sig = SIGALRM;
34     result = sigaddset(&set, sig);
35     if (result != 0) {
36         t_error("%s failed: result = %d\n", __func__, result);
37     }
38 
39     result = sigprocmask(SIG_BLOCK, &set, NULL);
40     if (result != 0) {
41         t_error("%s failed: result = %d\n", __func__, result);
42     }
43 
44     union sigval sigval = {.sival_int = 1};
45     result = sigqueue(getpid(), sig, sigval);
46     if (result != 0) {
47         t_error("%s failed: result = %d\n", __func__, result);
48     }
49 
50     sig = 0;
51     result = sigwait(&set, &sig);
52     if (result != 0) {
53         t_error("%s failed: result = %d\n", __func__, result);
54     }
55 
56     if (sig != SIGALRM) {
57         t_error("%s failed: sig = %d\n", __func__, sig);
58     }
59 }
60 
main(int argc,char * argv[])61 int main(int argc, char *argv[])
62 {
63     sigwait_0100();
64 
65     return t_status;
66 }
67