1/*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
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 <cstdio>
17#include <cstdlib>
18#include <ctime>
19#include <string>
20#include <vector>
21
22#define TOSTRING(x) #x
23
24struct ClockTime {
25    std::string name;
26    clockid_t clockId;
27    struct timespec ts;
28};
29
30int main()
31{
32    std::vector<ClockTime> times = {
33        { TOSTRING(CLOCK_REALTIME), CLOCK_REALTIME, { 0 } },
34        { TOSTRING(CLOCK_REALTIME_ALARM), CLOCK_REALTIME_ALARM, { 0 } },
35        { TOSTRING(CLOCK_REALTIME_COARSE), CLOCK_REALTIME_COARSE, { 0 } },
36        { TOSTRING(CLOCK_MONOTONIC), CLOCK_MONOTONIC, { 0 } },
37        { TOSTRING(CLOCK_MONOTONIC_COARSE), CLOCK_MONOTONIC_COARSE, { 0 } },
38        { TOSTRING(CLOCK_MONOTONIC_RAW), CLOCK_MONOTONIC_RAW, { 0 } },
39        { TOSTRING(CLOCK_BOOTTIME), CLOCK_BOOTTIME, { 0 } },
40        { TOSTRING(CLOCK_BOOTTIME_ALARM), CLOCK_BOOTTIME_ALARM, { 0 } },
41    };
42
43    for (auto& time : times) {
44        clock_gettime(time.clockId, &time.ts);
45    }
46
47    for (auto& time : times) {
48        printf("%-25s: %10lld.%09ld\n", time.name.c_str(),
49            static_cast<long long>(time.ts.tv_sec), time.ts.tv_nsec);
50    }
51    fflush(stdout);
52    return 0;
53}