1 /* 2 * Copyright (C) 2015 Intel Corporation 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 UTILS_HPP 18 #define UTILS_HPP 19 20 #include <time.h> 21 22 /** 23 * Get current timestamp in nanoseconds 24 * @return time in nanoseconds 25 */ 26 int64_t get_timestamp_monotonic(); 27 28 /** 29 * Populates a timespec data structure from a int64_t timestamp 30 * @param out what timespec to populate 31 * @param target_ns timestamp in nanoseconds 32 */ 33 void set_timestamp(struct timespec *out, int64_t target_ns); 34 35 #endif // UTILS_HPP 36