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-rw-r--r--vendor/go.opencensus.io/trace/trace_go11.go32
1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/go.opencensus.io/trace/trace_go11.go b/vendor/go.opencensus.io/trace/trace_go11.go
new file mode 100644
index 000000000..b7d8aaf28
--- /dev/null
+++ b/vendor/go.opencensus.io/trace/trace_go11.go
@@ -0,0 +1,32 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build go1.11
+
+package trace
+
+import (
+ "context"
+ t "runtime/trace"
+)
+
+func startExecutionTracerTask(ctx context.Context, name string) (context.Context, func()) {
+ if !t.IsEnabled() {
+ // Avoid additional overhead if
+ // runtime/trace is not enabled.
+ return ctx, func() {}
+ }
+ nctx, task := t.NewTask(ctx, name)
+ return nctx, task.End
+}