abool/bool.go

38 lines
786 B
Go

package abool
import "sync/atomic"
// New creates a pointer to an AtomicBool
func New() *AtomicBool {
return new(AtomicBool)
}
// AtomicBool is a atomic boolean
// Note: When embedding into a struct, one should always use
// *AtomicBool to avoid copy
type AtomicBool int32
// SetTo sets the boolean with given bool
func (ab *AtomicBool) SetTo(yes bool) {
if yes {
atomic.StoreInt32((*int32)(ab), 1)
} else {
atomic.StoreInt32((*int32)(ab), 0)
}
}
// Set sets the bool to true
func (ab *AtomicBool) Set() {
atomic.StoreInt32((*int32)(ab), 1)
}
// UnSet sets the bool to false
func (ab *AtomicBool) UnSet() {
atomic.StoreInt32((*int32)(ab), 0)
}
// IsSet returns whether the bool is true
func (ab *AtomicBool) IsSet() bool {
return atomic.LoadInt32((*int32)(ab)) == 1
}