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 <errno.h>
18 #include <signal.h>
19 #include <time.h>
20 #include <unistd.h>
21
22 #include "test.h"
23 #define SIGNUM 40
24 static int count = 0;
25 static timer_t timerid;
26
handler(int sig)27 void handler(int sig)
28 {
29 count++;
30 usleep(1000000);
31 int ret = timer_getoverrun(timerid);
32 if (ret < 0) {
33 t_error("%s timer_getoverrun failed, ret is %d\n", __func__, ret);
34 }
35 return;
36 }
37
38 /**
39 * @tc.name : timer_getoverrun_0100
40 * @tc.desc : Get overrun count for a per-process timer
41 * @tc.level : Level 0
42 */
timer_getoverrun_0100(void)43 void timer_getoverrun_0100(void)
44 {
45 struct sigevent sev;
46
47 sev.sigev_notify = SIGEV_SIGNAL;
48 sev.sigev_signo = SIGNUM;
49 sev.sigev_value.sival_ptr = &timerid;
50
51 signal(SIGNUM, handler);
52
53 int result = timer_create(CLOCK_REALTIME, &sev, &timerid);
54 if (result != 0) {
55 t_error("%s failed: result = %d\n", __func__, result);
56 }
57
58 struct itimerspec its;
59 its.it_value.tv_sec = 0;
60 its.it_value.tv_nsec = 1000000;
61 its.it_interval.tv_sec = 0;
62 its.it_interval.tv_nsec = 0;
63
64 result = timer_settime(timerid, 0, &its, NULL);
65 if (result != 0) {
66 t_error("%s failed: result = %d\n", __func__, result);
67 }
68
69 while (count <= 0) {
70 sleep(1);
71 }
72 result = timer_delete(timerid);
73 if (result != 0) {
74 t_error("%s failed: result = %d\n", __func__, result);
75 }
76 }
77
78 /**
79 * @tc.name : timer_getoverrun_0200
80 * @tc.desc : Invalid timerid
81 * @tc.level : Level 2
82 */
timer_getoverrun_0200(void)83 void timer_getoverrun_0200(void)
84 {
85 int result = timer_getoverrun(NULL);
86 if (result != -1) {
87 t_error("%s timer_getoverrun failed, ret is %d\n", __func__, result);
88 }
89 }
90
main(int argc,char * argv[])91 int main(int argc, char *argv[])
92 {
93 timer_getoverrun_0100();
94 timer_getoverrun_0200();
95
96 return t_status;
97 }
98