Function pollSocket

3ds/source/transfer.cpp:538–546

Waits up to timeoutMs for `events` on sock. Returns 1 if ready, 0 on timeout, -1 on error.

    // Waits up to timeoutMs for `events` on sock. Returns 1 if ready, 0 on
    // timeout, -1 on error.
    int pollSocket(int sock, short events, int timeoutMs)
    {
        struct pollfd pfd;
        pfd.fd      = sock;
        pfd.events  = events;
        pfd.revents = 0;
        int rc      = poll(&pfd, 1, timeoutMs);
        return rc > 0 ? 1 : rc;
    }

    bool sendAll(int sock, const void* data, size_t len)
    {