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Fix: tunnel UDP race condition (#1043)

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This commit is contained in:
Jason Lyu
2020-10-28 21:26:50 +08:00
committed by GitHub
parent ba060bd0ee
commit 2cd1b890ce
2 changed files with 52 additions and 44 deletions
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6
component/nat/table.go
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@ -22,9 +22,9 @@ func (t *Table) Get(key string) C.PacketConn {
return item.(C.PacketConn)
}
func (t *Table) GetOrCreateLock(key string) (*sync.WaitGroup, bool) {
item, loaded := t.mapping.LoadOrStore(key, &sync.WaitGroup{})
return item.(*sync.WaitGroup), loaded
func (t *Table) GetOrCreateLock(key string) (*sync.Cond, bool) {
item, loaded := t.mapping.LoadOrStore(key, sync.NewCond(&sync.Mutex{}))
return item.(*sync.Cond), loaded
}
func (t *Table) Delete(key string) {