diff options
Diffstat (limited to 'vendor/go.uber.org/atomic/atomic.go')
| -rw-r--r-- | vendor/go.uber.org/atomic/atomic.go | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/vendor/go.uber.org/atomic/atomic.go b/vendor/go.uber.org/atomic/atomic.go index 1db6849f..ad5fa098 100644 --- a/vendor/go.uber.org/atomic/atomic.go +++ b/vendor/go.uber.org/atomic/atomic.go @@ -250,11 +250,16 @@ func (b *Bool) Swap(new bool) bool { // Toggle atomically negates the Boolean and returns the previous value. func (b *Bool) Toggle() bool { - return truthy(atomic.AddUint32(&b.v, 1) - 1) + for { + old := b.Load() + if b.CAS(old, !old) { + return old + } + } } func truthy(n uint32) bool { - return n&1 == 1 + return n == 1 } func boolToInt(b bool) uint32 { |