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Merge pull request #12 from cnrancher/release/2.4-ent

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[Backport] Fix map concurrent read/write
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Denise 2020-11-18 12:09:14 -08:00 committed by GitHub
commit 36fcb689bc
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1 changed files with 7 additions and 2 deletions
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9
pkg/schemaserver/subscribe/watcher.go
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@ -126,8 +126,13 @@ func (s *WatchSession) watch(conn *websocket.Conn, resp chan types.APIEvent) err
if sub.Stop { if sub.Stop {
s.stop(sub.ResourceType, resp) s.stop(sub.ResourceType, resp)
} else if _, ok := s.watchers[sub.ResourceType]; !ok { } else {
s.add(sub.ResourceType, sub.ResourceVersion, resp) s.Lock()
_, ok := s.watchers[sub.ResourceType]
s.Unlock()
if !ok {
s.add(sub.ResourceType, sub.ResourceVersion, resp)
}
} }
} }
} }