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 #ifndef PLATFORMS_UNIX_LIBPANDABASE_TIME_H 17 #define PLATFORMS_UNIX_LIBPANDABASE_TIME_H 18 19 #include <chrono> 20 21 namespace panda::os::time { 22 23 template <class T> GetClockTime(clockid_t clock)24static uint64_t GetClockTime(clockid_t clock) 25 { 26 struct timespec time = {0, 0}; 27 if (clock_gettime(clock, &time) != -1) { 28 auto duration = std::chrono::seconds {time.tv_sec} + std::chrono::nanoseconds {time.tv_nsec}; 29 return std::chrono::duration_cast<T>(duration).count(); 30 } 31 return 0; 32 } 33 34 } // namespace panda::os::time 35 36 #endif // PLATFORMS_UNIX_LIBPANDABASE_TIME_H 37