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| author | Ian Lance Taylor <iant@golang.org> | 2022-07-19 15:09:21 -0700 |
|---|---|---|
| committer | Benny Siegert <bsiegert@gmail.com> | 2022-09-28 09:05:54 +0000 |
| commit | 2c4c2a5106e16a2ef51e3fc1d846e5d75d7ee6cc (patch) | |
| tree | adde2cef122a14b9374f3535ea22a59dc6eaddce /src/time | |
| parent | d268504fd90063328f484152585189db8374930d (diff) | |
| download | go-2c4c2a5106e16a2ef51e3fc1d846e5d75d7ee6cc.tar.xz | |
time: add comment explaining >>33 in Now
Change-Id: I022b617cd345b412bee0b50a862676a1dca94e01
Reviewed-on: https://go-review.googlesource.com/c/go/+/418376
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Diffstat (limited to 'src/time')
| -rw-r--r-- | src/time/time.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/time/time.go b/src/time/time.go index 0cd7a7e8a2..5da61510c1 100644 --- a/src/time/time.go +++ b/src/time/time.go @@ -1112,6 +1112,9 @@ func Now() Time { mono -= startNano sec += unixToInternal - minWall if uint64(sec)>>33 != 0 { + // Seconds field overflowed the 33 bits available when + // storing a monotonic time. This will be true after + // March 16, 2157. return Time{uint64(nsec), sec + minWall, Local} } return Time{hasMonotonic | uint64(sec)<<nsecShift | uint64(nsec), mono, Local} |