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spin locker

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charlie
2022-06-07 10:57:42 +08:00
parent f36b4fabd6
commit 4e97d13d20
1 changed files with 4 additions and 0 deletions
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4
locker/spin_locker.go
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@ -11,6 +11,10 @@ func NewSpinLocker() *spinLock {
return new(spinLock) return new(spinLock)
} }
func (sl *spinLock) TryLock() bool {
return atomic.CompareAndSwapUint32((*uint32)(sl), 0, 1)
}
func (sl *spinLock) Lock() { func (sl *spinLock) Lock() {
for !atomic.CompareAndSwapUint32((*uint32)(sl), 0, 1) { for !atomic.CompareAndSwapUint32((*uint32)(sl), 0, 1) {
runtime.Gosched() runtime.Gosched()