Function GetTlsParentSpan

src/brpc/span.cpp:82–91

}

std::shared_ptr<Span> GetTlsParentSpan() {
    using namespace bthread;
    LocalStorage ls = BAIDU_GET_VOLATILE_THREAD_LOCAL(tls_bls);
    if (!ls.rpcz_parent_span) {
        return nullptr;
    }

    auto* weak_ptr = static_cast<std::weak_ptr<Span>*>(ls.rpcz_parent_span);
    return weak_ptr->lock();
}

void ClearTlsParentSpan() {
    using namespace bthread;