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Code Issues Releases Activity

Support use of synchronous instruments in async callbacks (#725)

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* Support use of synchronous instruments in async callbacks

* Add a test
This commit is contained in:
Joshua MacDonald
2020-05-19 21:33:10 -07:00
committed by GitHub
parent c5f2252c48
commit 1fab21ddbf
13 changed files with 78 additions and 47 deletions
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example/basic/main.go
+1 -1
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@@ -73,7 +73,7 @@ func main() {
commonLabels := []kv.KeyValue{lemonsKey.Int(10), kv.String("A", "1"), kv.String("B", "2"), kv.String("C", "3")}
oneMetricCB := func(result metric.Float64ObserverResult) {
oneMetricCB := func(_ context.Context, result metric.Float64ObserverResult) {
result.Observe(1, commonLabels...)
}
_ = metric.Must(meter).RegisterFloat64ValueObserver("ex.com.one", oneMetricCB,
example/prometheus/main.go
+1 -1
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@@ -52,7 +52,7 @@ func main() {
observerLock := new(sync.RWMutex)
observerValueToReport := new(float64)
observerLabelsToReport := new([]kv.KeyValue)
cb := func(result metric.Float64ObserverResult) {
cb := func(_ context.Context, result metric.Float64ObserverResult) {
(*observerLock).RLock()
value := *observerValueToReport
labels := *observerLabelsToReport