Changes imported from Abseil "staging" branch:

- 28631b3dbc582cb88a637cc4c70886e38a4be0cf Refactoring to support production kernel Futex implementa... by Derek Mauro <dmauro@google.com>
  - 411e7bb779c32bbc02b5fa6f516087a02fcb0812 Update comments about leap smearing. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 28631b3dbc582cb88a637cc4c70886e38a4be0cf
Change-Id: I0506aa2705212cd466460cae60182b0c2c667972
This commit is contained in:
Abseil Team 2017-11-10 06:33:50 -08:00 committed by katzdm
parent 778abb7c27
commit 9e94e488f5
4 changed files with 55 additions and 33 deletions

View file

@ -506,9 +506,7 @@ std::string UnparseFlag(Duration d);
//
// `absl::Time` assumes there are 60 seconds in a minute, which means the
// underlying time scales must be "smeared" to eliminate leap seconds.
// POSIX, for example, legislates that a `time_t` value of `536457599` shall
// correspond to "1986-12-31 23:59:59 +0000".
//
// See https://developers.google.com/time/smear.
//
// Even though `absl::Time` supports a wide range of timestamps, exercise
// caution when using values in the distant past. `absl::Time` uses the