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pkg/metrics: protect global vars in reset func

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This commit is contained in:
Yicheng Qin 2015-01-26 16:22:13 -08:00
parent f0c9a54edb
commit 8c932ff719
1 changed files with 2 additions and 0 deletions
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2
pkg/metrics/metrics.go
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@ -158,6 +158,8 @@ func Do(f func(expvar.KeyValue)) {
// for test only
func reset() {
mutex.Lock()
defer mutex.Unlock()
vars = make(map[string]expvar.Var)
varKeys = nil
}