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raft: return empty status if node is stopped

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If the node is stopped, then Status can hang forever because there is no
event loop to answer. So, just return empty status to avoid deadlocks.

Fix #6855

Signed-off-by: Alexander Morozov <lk4d4math@gmail.com>
This commit is contained in:
Alexander Morozov 2016-11-15 15:38:03 -08:00
parent 7c8f13aed7
commit 7afc490c95
1 changed files with 6 additions and 2 deletions
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8
raft/node.go
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@ -462,8 +462,12 @@ func (n *node) ApplyConfChange(cc pb.ConfChange) *pb.ConfState {
func (n *node) Status() Status {
c := make(chan Status)
n.status <- c
return <-c
select {
case n.status <- c:
return <-c
case <-n.done:
return Status{}
}
}
func (n *node) ReportUnreachable(id uint64) {