fix:fix data race in rolling_counter used by bbr (#697)

4 years ago · c99b1fdbcb
parent 5e3df708d8
commit c99b1fdbcb
1 changed files with 2 additions and 0 deletions
--- a/pkg/stat/metric/rolling_counter.go
+++ b/pkg/stat/metric/rolling_counter.go
@ -69,5 +69,7 @@ func (r *rollingCounter) Value() int64 {
 }

 func (r *rollingCounter) Timespan() int {
+	r.policy.mu.RLock()
+	defer r.policy.mu.RUnlock()
 	return r.policy.timespan()
 }