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locker

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charlie
2022-05-12 14:32:36 +08:00
parent 08309e4a49
commit 8e33d9dd92
5 changed files with 75 additions and 16 deletions
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13
locker/empty_locker.go
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@ -1,8 +1,9 @@
package locker
import "sync"
// 空锁
var _ sync.Locker = &emptyLocker{}
var _ Locker = &emptyLocker{}
var _ RWLocker = &emptyLocker{}
type emptyLocker struct{}
@ -10,6 +11,14 @@ func NewEmptyLocker() *emptyLocker {
return &emptyLocker{}
}
func (l *emptyLocker) RLock() {}
func (l *emptyLocker) RUnlock() {}
func (l *emptyLocker) Lock() {}
func (l *emptyLocker) Unlock() {}
func (l *emptyLocker) TryLock() bool { return true }
func (l *emptyLocker) TryRLock() bool { return true }