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net/id: when dup id, wait on it.

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This commit is contained in:
Juan Batiz-Benet
2014-12-24 03:38:44 -08:00
parent ef0c25f463
commit 900c1fbfa2
1 changed files with 3 additions and 2 deletions
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5
net/id.go
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@ -38,10 +38,11 @@ func NewIDService(n Network) *IDService {
func (ids *IDService) IdentifyConn(c Conn) {
ids.currmu.Lock()
if _, found := ids.currid[c]; found {
if wait, found := ids.currid[c]; found {
ids.currmu.Unlock()
log.Debugf("IdentifyConn called twice on: %s", c)
return // already identifying it.
<-wait // already identifying it. wait for it.
return
}
ids.currid[c] = make(chan struct{})
ids.currmu.Unlock()