get_current_time_chrono.inc 1007 B

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  1. // Copyright 2018 The Abseil Authors.
  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. // https://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. #include <chrono>
  15. #include <cstdint>
  16. namespace absl {
  17. ABSL_NAMESPACE_BEGIN
  18. namespace time_internal {
  19. static int64_t GetCurrentTimeNanosFromSystem() {
  20. return std::chrono::duration_cast<std::chrono::nanoseconds>(
  21. std::chrono::system_clock::now() -
  22. std::chrono::system_clock::from_time_t(0))
  23. .count();
  24. }
  25. } // namespace time_internal
  26. ABSL_NAMESPACE_END
  27. } // namespace absl