1// 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(delta time.Duration) time.Duration { 29 return time.Duration(d.v.Add(int64(delta))) 30} 31 32// Sub atomically subtracts from the wrapped time.Duration and returns the new value. 33func (d *Duration) Sub(delta time.Duration) time.Duration { 34 return time.Duration(d.v.Sub(int64(delta))) 35} 36 37// String encodes the wrapped value as a string. 38func (d *Duration) String() string { 39 return d.Load().String() 40} 41