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 <stdlib.h>
20 #include <sys/timerfd.h>
21 #include <time.h>
22 #include "test.h"
23
24 #define NANOSECOND (1000000000)
25 #define MICROSECONDS (1000000)
26
27 extern int __timerfd_gettime64(int, struct itimerspec *);
28
29 /**
30 * @tc.name : timerfd_gettime_0100
31 * @tc.desc : Get the time left by the timer until the next supermarket
32 * @tc.level : Level 0
33 */
timerfd_gettime_0100(void)34 void timerfd_gettime_0100(void)
35 {
36 struct itimerspec its = {{0, 0}, {2, 0}};
37 struct itimerspec val;
38 int fd, result;
39
40 fd = timerfd_create(CLOCK_REALTIME, 0);
41 if (fd < 0) {
42 t_error("%s timerfd_create failed", __func__);
43 return;
44 }
45
46 result = timerfd_settime(fd, 0, &its, NULL);
47 if (result != 0) {
48 t_error("%s timerfd_settime failed", __func__);
49 return;
50 }
51
52 result = usleep(MICROSECONDS);
53 if (result != 0) {
54 t_error("%s usleep failed", __func__);
55 return;
56 }
57
58 result = timerfd_gettime(fd, &val);
59 if (result != 0) {
60 t_error("%s timerfd_gettime failed", __func__);
61 return;
62 }
63 if (val.it_value.tv_nsec > NANOSECOND) {
64 t_error("%s timerfd error");
65 }
66 }
67
68 /**
69 * @tc.name : timerfd_gettime_0200
70 * @tc.desc : arms the timerfd with invalid parameters
71 * @tc.level : Level 2
72 */
timerfd_gettime_0200(void)73 void timerfd_gettime_0200(void)
74 {
75 int result = timerfd_gettime(-1, NULL);
76 if (result != -1) {
77 t_error("%s failed, result is %d", __func__, result);
78 }
79 }
80
81 /**
82 * @tc.name : timerfd_gettime64_0100
83 * @tc.desc : Get the time left by the timer until the next supermarket
84 * @tc.level : Level 0
85 */
timerfd_gettime64_0100(void)86 void timerfd_gettime64_0100(void)
87 {
88 struct itimerspec its = {{0, 0}, {2, 0}};
89 struct itimerspec val;
90 int fd, result;
91
92 fd = timerfd_create(CLOCK_REALTIME, 0);
93 if (fd < 0) {
94 t_error("%s timerfd_create failed", __func__);
95 return;
96 }
97
98 result = timerfd_settime(fd, 0, &its, NULL);
99 if (result != 0) {
100 t_error("%s timerfd_settime failed", __func__);
101 return;
102 }
103
104 result = usleep(MICROSECONDS);
105 if (result != 0) {
106 t_error("%s usleep failed", __func__);
107 return;
108 }
109
110 result = __timerfd_gettime64(fd, &val);
111 if (result != 0) {
112 t_error("%s __timerfd_gettime64 failed", __func__);
113 return;
114 }
115 if (val.it_value.tv_nsec > NANOSECOND) {
116 t_error("%s timerfd error");
117 }
118 }
119
main(int argc,char * argv[])120 int main(int argc, char *argv[])
121 {
122 timerfd_gettime_0100();
123 timerfd_gettime_0200();
124 timerfd_gettime64_0100();
125 return t_status;
126 }