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gitea/vendor/go.uber.org/atomic/int32.go
zeripath 1cd4a3b963
Update caddyserver/certmagic (#16789)
Fixes issue with windows users & letsencrypt

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2021-08-23 18:07:40 -04:00

102 lines
2.9 KiB
Go
Vendored

// @generated Code generated by gen-atomicint.
// Copyright (c) 2020-2021 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package atomic
import (
"encoding/json"
"strconv"
"sync/atomic"
)
// Int32 is an atomic wrapper around int32.
type Int32 struct {
_ nocmp // disallow non-atomic comparison
v int32
}
// NewInt32 creates a new Int32.
func NewInt32(val int32) *Int32 {
return &Int32{v: val}
}
// Load atomically loads the wrapped value.
func (i *Int32) Load() int32 {
return atomic.LoadInt32(&i.v)
}
// Add atomically adds to the wrapped int32 and returns the new value.
func (i *Int32) Add(delta int32) int32 {
return atomic.AddInt32(&i.v, delta)
}
// Sub atomically subtracts from the wrapped int32 and returns the new value.
func (i *Int32) Sub(delta int32) int32 {
return atomic.AddInt32(&i.v, -delta)
}
// Inc atomically increments the wrapped int32 and returns the new value.
func (i *Int32) Inc() int32 {
return i.Add(1)
}
// Dec atomically decrements the wrapped int32 and returns the new value.
func (i *Int32) Dec() int32 {
return i.Sub(1)
}
// CAS is an atomic compare-and-swap.
func (i *Int32) CAS(old, new int32) (swapped bool) {
return atomic.CompareAndSwapInt32(&i.v, old, new)
}
// Store atomically stores the passed value.
func (i *Int32) Store(val int32) {
atomic.StoreInt32(&i.v, val)
}
// Swap atomically swaps the wrapped int32 and returns the old value.
func (i *Int32) Swap(val int32) (old int32) {
return atomic.SwapInt32(&i.v, val)
}
// MarshalJSON encodes the wrapped int32 into JSON.
func (i *Int32) MarshalJSON() ([]byte, error) {
return json.Marshal(i.Load())
}
// UnmarshalJSON decodes JSON into the wrapped int32.
func (i *Int32) UnmarshalJSON(b []byte) error {
var v int32
if err := json.Unmarshal(b, &v); err != nil {
return err
}
i.Store(v)
return nil
}
// String encodes the wrapped value as a string.
func (i *Int32) String() string {
v := i.Load()
return strconv.FormatInt(int64(v), 10)
}