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p2p/nodestate: fix deadlock during shutdown of les server (#21927)

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This PR fixes a deadlock reported here: #21925

The cause is that many operations may be pending, but if the close happens, only one of them gets awoken and exits, the others remain waiting for a signal that never comes.
This commit is contained in:
Martin Holst Swende 2020-11-30 18:58:47 +01:00 committed by GitHub
parent a1ddd9e1d3
commit e7db1dbc96
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1 changed files with 1 additions and 1 deletions
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p2p/nodestate/nodestate.go
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@ -725,7 +725,7 @@ func (ns *NodeStateMachine) opFinish() {
}
ns.opPending = nil
ns.opFlag = false
ns.opWait.Signal()
ns.opWait.Broadcast()
}
// Operation calls the given function as an operation callback. This allows the caller