Merge "init: Convert a single-element array into a scalar" am: ab3bc215

  private:

    bool PollIn(uint32_t* timeout_ms) {

        struct pollfd ufds[1];

        ufds[0].fd = socket_;

        ufds[0].events = POLLIN;

        ufds[0].revents = 0;

        struct pollfd ufd = {

                .fd = socket_,

                .events = POLLIN,

        };

        while (*timeout_ms > 0) {

            auto start_time = std::chrono::steady_clock::now();

            int nr = poll(ufds, 1, *timeout_ms);

            int nr = poll(&ufd, 1, *timeout_ms);

            auto now = std::chrono::steady_clock::now();

            auto time_elapsed =

                std::chrono::duration_cast<std::chrono::milliseconds>(now - start_time);