Method get_new_id

tools/server/server-queue.cpp:71–75

}

int server_queue::get_new_id() {
    std::unique_lock<std::mutex> lock(mutex_tasks);
    int new_id = id++;
    return new_id;
}

void server_queue::pop_deferred_task(int id_slot) {
    std::unique_lock<std::mutex> lock(mutex_tasks);