Function heavy_complete

rpc/test/test-ooo.cpp:112–117

}

int heavy_complete(void*, OutOfOrderContext* args) {
    while (processing_queue.empty()) { thread_yield(); } //waiting till something comming
    args->tag = processing_queue.front();
    processing_queue.pop();
    return 0;
}

int process_thread() {
    while (issue_list.size()) {