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avoid deadlock

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This commit is contained in:
Konstantin Lebedev 2022-07-21 17:15:10 +05:00
parent 03a0936556
commit 3c42814b58
1 changed files with 10 additions and 2 deletions
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12
weed/server/master_server.go
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@ -368,8 +368,16 @@ func (ms *MasterServer) OnPeerUpdate(update *master_pb.ClusterNodeUpdate, startF
} }
} }
ms.onPeerUpdateLock.RLock() ms.onPeerUpdateLock.RLock()
if len(ms.onPeerUpdateDoneCns) > 0 { isGtZero := len(ms.onPeerUpdateDoneCns) > 0
for _, onPeerUpdateDoneCn := range ms.onPeerUpdateDoneCns { ms.onPeerUpdateLock.RUnlock()
if isGtZero {
var chanPtrs []*chan string
ms.onPeerUpdateLock.RLock()
for _, cn := range ms.onPeerUpdateDoneCns {
chanPtrs = append(chanPtrs, cn)
}
ms.onPeerUpdateLock.RUnlock()
for _, onPeerUpdateDoneCn := range chanPtrs {
*onPeerUpdateDoneCn <- peerName *onPeerUpdateDoneCn <- peerName
} }
} }