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make sure we don't replace an existing listener

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This commit is contained in:
Arceliar 2019-03-08 18:51:07 -06:00
parent 917ca6c1c5
commit 426d157025
1 changed files with 8 additions and 2 deletions
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6
src/yggdrasil/tcp.go
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@ -155,8 +155,14 @@ func (t *tcp) listener(l *tcpListener, listenaddr string) {
}
// Track the listener so that we can find it again in future
t.mutex.Lock()
if _, isIn := t.listeners[listenaddr]; isIn {
t.mutex.Unlock()
l.listener.Close()
return
} else {
t.listeners[listenaddr] = l
t.mutex.Unlock()
}
// And here we go!
accepted := make(chan bool)
defer func() {