Implement SpanContext::Clone (#138)

This was added to the opentracing API in opentracing/opentracing-cpp#56 Signed-off-by: Matt Eastman <[email protected]>
jaegertracing · Nov 21, 2018 · cefa941 · cefa941
1 parent ffdd052
commit cefa941
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/jaegertracing/SpanContext.h b/src/jaegertracing/SpanContext.h
@@ -19,6 +19,7 @@
 
 #include <iomanip>
 #include <iostream>
+#include <memory>
 #include <mutex>
 #include <string>
 #include <unordered_map>
@@ -164,6 +165,13 @@ class SpanContext : public opentracing::SpanContext {
         forEachBaggageItem(f);
     }
 
+    std::unique_ptr<opentracing::SpanContext> Clone() const noexcept
+    {
+        std::lock_guard<std::mutex> lock(_mutex);
+        return std::unique_ptr<opentracing::SpanContext>(
+            new SpanContext(*this));
+    }
+
     friend bool operator==(const SpanContext& lhs, const SpanContext& rhs)
     {
         {