opentelemetry-cpp/api/test/singleton/component_h.cc

53 lines
1.1 KiB
C++

// 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<trace::Tracer> 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();
}