// Copyright The OpenTelemetry Authors // SPDX-License-Identifier: Apache-2.0 #include "opentelemetry/nostd/shared_ptr.h" #include "opentelemetry/nostd/string_view.h" #include "opentelemetry/trace/provider.h" #include "opentelemetry/trace/scope.h" #include "opentelemetry/trace/tracer.h" #include "opentelemetry/trace/tracer_provider.h" namespace trace = opentelemetry::trace; namespace nostd = opentelemetry::nostd; static nostd::shared_ptr get_tracer() { auto provider = trace::Provider::GetTracerProvider(); return provider->GetTracer("H", "80.8"); } static void f1() { auto scoped_span = trace::Scope(get_tracer()->StartSpan("H::f1")); } static void f2() { auto scoped_span = trace::Scope(get_tracer()->StartSpan("H::f2")); f1(); f1(); } extern "C" #if defined(_MSC_VER) // component_h is a DLL __declspec(dllexport) #else // component_h is a shared library (*.so) // component_h is compiled with visibility("hidden"), __attribute__((visibility("default"))) #endif void do_something_in_h() { auto scoped_span = trace::Scope(get_tracer()->StartSpan("H::library")); f2(); }