Function SetTlsParentSpan

src/brpc/span.cpp:71–80

}

void SetTlsParentSpan(std::shared_ptr<Span> span) {
    using namespace bthread;
    LocalStorage ls = BAIDU_GET_VOLATILE_THREAD_LOCAL(tls_bls);
    if (ls.rpcz_parent_span) {
        *static_cast<std::weak_ptr<Span>*>(ls.rpcz_parent_span) = span;
    } else {
        ls.rpcz_parent_span = new std::weak_ptr<Span>(span);
        BAIDU_SET_VOLATILE_THREAD_LOCAL(tls_bls, ls);
    }
}

std::shared_ptr<Span> GetTlsParentSpan() {
    using namespace bthread;