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fix concurrent map writes (#2079)

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Co-authored-by: wero <wero@werodeMacBook-Pro.local>
This commit is contained in:
givemeafish
2022-07-01 23:07:25 +08:00
committed by GitHub
parent f2cef2b963
commit 6a4885ba64
1 changed files with 2 additions and 0 deletions
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2
core/discov/internal/registry.go
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@@ -191,9 +191,11 @@ func (c *cluster) handleWatchEvents(key string, events []*clientv3.Event) {
}) })
} }
case clientv3.EventTypeDelete: case clientv3.EventTypeDelete:
c.lock.Lock()
if vals, ok := c.values[key]; ok { if vals, ok := c.values[key]; ok {
delete(vals, string(ev.Kv.Key)) delete(vals, string(ev.Kv.Key))
} }
c.lock.Unlock()
for _, l := range listeners { for _, l := range listeners {
l.OnDelete(KV{ l.OnDelete(KV{
Key: string(ev.Kv.Key), Key: string(ev.Kv.Key),