blob: 6273b66bd659728da5ebb1a3d0affa0c2e9c4166 [file] [log] [blame]
David K. Bainbridgebd6b2882021-08-26 13:31:02 +00001// Copyright (c) 2020 Uber Technologies, Inc.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in
11// all copies or substantial portions of the Software.
12//
13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19// THE SOFTWARE.
20
21package atomic
22
23import "time"
24
25//go:generate bin/gen-atomicwrapper -name=Duration -type=time.Duration -wrapped=Int64 -pack=int64 -unpack=time.Duration -cas -swap -json -imports time -file=duration.go
26
27// Add atomically adds to the wrapped time.Duration and returns the new value.
28func (d *Duration) Add(n time.Duration) time.Duration {
29 return time.Duration(d.v.Add(int64(n)))
30}
31
32// Sub atomically subtracts from the wrapped time.Duration and returns the new value.
33func (d *Duration) Sub(n time.Duration) time.Duration {
34 return time.Duration(d.v.Sub(int64(n)))
35}
36
37// String encodes the wrapped value as a string.
38func (d *Duration) String() string {
39 return d.Load().String()
40}