1 // Copyright (C) 2021 The Android Open Source Project
2 //
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 #pragma once
16 
17 #include <cstdint>
18 #include <ctime>
19 
20 #include <iomanip>
21 
22 int64_t TimespecToNanos(const timespec& t);
23 double TimespecToDoubleNanos(const timespec& t);
24 std::vector<int64_t> TimespecToNanos(const std::vector<timespec>& tv);
25 std::vector<double> TimespecToDoubleNanos(const std::vector<timespec>& tv);
26 timespec NanosToTimespec(int64_t time_ns);
27 timespec MicrosToTimespec(int64_t time_us);
28 std::string TimespecToString(const timespec& ts);
29 
30 bool operator==(const timespec& t1, const timespec& t2);
31 bool operator!=(const timespec& t1, const timespec& t2);
32 bool operator<(const timespec& t1, const timespec& t2);
33 bool operator<=(const timespec& t1, const timespec& t2);
34 bool operator>(const timespec& t1, const timespec& t2);
35 bool operator>=(const timespec& t1, const timespec& t2);
36 timespec operator-(const timespec& t1, const timespec& t2);
37 timespec operator+(const timespec& t1, const timespec& t2);
38 timespec operator/(const timespec& t1, uint64_t n);
39 timespec operator/(const timespec& t1, const timespec& t2);
40