internal.go 1.0 KB

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  1. // Copyright The OpenTelemetry 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. // 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. package internal // import "go.opentelemetry.io/otel/sdk/internal"
  15. import "time"
  16. // MonotonicEndTime returns the end time at present
  17. // but offset from start, monotonically.
  18. //
  19. // The monotonic clock is used in subtractions hence
  20. // the duration since start added back to start gives
  21. // end as a monotonic time.
  22. // See https://golang.org/pkg/time/#hdr-Monotonic_Clocks
  23. func MonotonicEndTime(start time.Time) time.Time {
  24. return start.Add(time.Since(start))
  25. }