1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef CHPP_PLATFORM_TIME_H_
18 #define CHPP_PLATFORM_TIME_H_
19 
20 #include <stdint.h>
21 
22 #include "chpp/macros.h"
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 #define CHPP_TIMESPEC_TO_NS(time) \
29   ((uint64_t)time.tv_sec * CHPP_NSEC_PER_SEC + (uint64_t)time.tv_nsec)
30 
chppGetCurrentTimeNs(void)31 static inline uint64_t chppGetCurrentTimeNs(void) {
32   struct timespec now;
33   clock_gettime(CLOCK_REALTIME, &now);
34   return CHPP_TIMESPEC_TO_NS(now);
35 }
36 
37 #ifdef __cplusplus
38 }
39 #endif
40 
41 #endif  // CHPP_PLATFORM_TIME_H_
42