Updates for jaeger tracing client.

vendor/github.com/uber/jaeger-client-go/jaeger_thrift_span.go

@@ -1,22 +1,16 @@
 // Copyright (c) 2017 Uber Technologies, Inc.
 //
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
+// 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
 //
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
+// 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.
 
 package jaeger
 
@@ -31,6 +25,8 @@ import (
 
 // BuildJaegerThrift builds jaeger span based on internal span.
 func BuildJaegerThrift(span *Span) *j.Span {
+	span.Lock()
+	defer span.Unlock()
 	startTime := utils.TimeToMicrosecondsSinceEpochInt64(span.startTime)
 	duration := span.duration.Nanoseconds() / int64(time.Microsecond)
 	jaegerSpan := &j.Span{
@@ -51,6 +47,8 @@ func BuildJaegerThrift(span *Span) *j.Span {
 
 // BuildJaegerProcessThrift creates a thrift Process type.
 func BuildJaegerProcessThrift(span *Span) *j.Process {
+	span.Lock()
+	defer span.Unlock()
 	return buildJaegerProcessThrift(span.tracer)
 }
 
@@ -59,6 +57,9 @@ func buildJaegerProcessThrift(tracer *Tracer) *j.Process {
 		ServiceName: tracer.serviceName,
 		Tags:        buildTags(tracer.tags),
 	}
+	if tracer.process.UUID != "" {
+		process.Tags = append(process.Tags, &j.Tag{Key: TracerUUIDTagKey, VStr: &tracer.process.UUID, VType: j.TagType_STRING})
+	}
 	return process
 }