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Code Issues Releases Activity

Moreatomic: Fixed LoadOrStore sentinel bug

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diamondburned 2020-11-29 17:19:05 -08:00
parent 56d18a8972
commit 44909beb5b
1 changed files with 5 additions and 5 deletions
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10
internal/moreatomic/syncmap.go
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@ -31,13 +31,13 @@ func (sm *Map) Reset() error {
// LoadOrStore loads an existing value or stores a new value created from the // LoadOrStore loads an existing value or stores a new value created from the
// given constructor then return that value. // given constructor then return that value.
func (sm *Map) LoadOrStore(k interface{}) (v interface{}, loaded bool) { func (sm *Map) LoadOrStore(k interface{}) (lv interface{}, loaded bool) {
smap := sm.smap.Load().(*sync.Map) smap := sm.smap.Load().(*sync.Map)
v, loaded = smap.LoadOrStore(k, sentinel) lv, loaded = smap.LoadOrStore(k, sentinel)
if loaded { if !loaded {
v = sm.ctor() lv = sm.ctor()
smap.Store(k, v) smap.Store(k, lv)
} }
return return