mirror of https://github.com/perkeep/perkeep.git
38 lines
836 B
Go
38 lines
836 B
Go
/*
|
|
Copyright 2012 Google Inc.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package atomics
|
|
|
|
import (
|
|
"sync/atomic"
|
|
)
|
|
|
|
type Bool struct {
|
|
v uint32 // 0 or 1, atomically
|
|
}
|
|
|
|
func (b *Bool) Get() bool {
|
|
return atomic.LoadUint32(&b.v) != 0
|
|
}
|
|
|
|
func (b *Bool) Set(v bool) {
|
|
if v {
|
|
atomic.StoreUint32(&b.v, 1)
|
|
return
|
|
}
|
|
atomic.StoreUint32(&b.v, 0)
|
|
}
|