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networkdb: fix race in access to nodes len

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Signed-off-by: Alexander Morozov <lk4d4math@gmail.com>
This commit is contained in:
Alexander Morozov 2016-10-04 09:35:45 -07:00
parent ef5f9395a6
commit 03088ace1b
1 changed files with 8 additions and 2 deletions
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10
libnetwork/networkdb/cluster.go
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@ -112,14 +112,20 @@ func (nDB *NetworkDB) clusterInit() error {
nDB.networkBroadcasts = &memberlist.TransmitLimitedQueue{
NumNodes: func() int {
return len(nDB.nodes)
nDB.RLock()
num := len(nDB.nodes)
nDB.RUnlock()
return num
},
RetransmitMult: config.RetransmitMult,
}
nDB.nodeBroadcasts = &memberlist.TransmitLimitedQueue{
NumNodes: func() int {
return len(nDB.nodes)
nDB.RLock()
num := len(nDB.nodes)
nDB.RUnlock()
return num
},
RetransmitMult: config.RetransmitMult,
}