dsync: use refresh timer properly to avoid leaks (#11820)

timer pattern should always involve a 'Stop()/Reset()' otherwise
 `time.NewTimer(duration).C` will always leak.
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Harshavardhana 2021-03-17 16:37:13 -07:00 committed by GitHub
parent add3cd4e44
commit eed3b66d98
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@ -220,11 +220,17 @@ func (dm *DRWMutex) startContinousLockRefresh(lockLossCallback func(), id, sourc
go func() { go func() {
defer cancel() defer cancel()
refreshTimer := time.NewTimer(drwMutexRefreshInterval)
defer refreshTimer.Stop()
for { for {
select { select {
case <-ctx.Done(): case <-ctx.Done():
return return
case <-time.NewTimer(drwMutexRefreshInterval).C: case <-refreshTimer.C:
refreshTimer.Reset(drwMutexRefreshInterval)
refreshed, err := refresh(ctx, dm.clnt, id, source, quorum, dm.Names...) refreshed, err := refresh(ctx, dm.clnt, id, source, quorum, dm.Names...)
if err == nil && !refreshed { if err == nil && !refreshed {
if lockLossCallback != nil { if lockLossCallback != nil {