[go-nuts] Socket Priority affect Read Deadline?

[jlu . xzp]

Hi guys,

    I wrapped some code to do listen UDP port and set priority,  like this

func ListenUDP(t string, laddr *net.UDPAddr, priority int) (*net.UDPConn, 
error) {
    conn, err := net.ListenUDP(t, laddr)
    if err != nil {
        return nil, err
    }

    if priority < 0 {
        return conn, nil
    }

    file, err := conn.File()
    if err != nil {
        conn.Close()
        return nil, fmt.Errorf("error in getting file for the connection")
    }
    defer file.Close()

    err = syscall.SetsockoptInt(int(file.Fd()), syscall.SOL_SOCKET, 
syscall.SO_PRIORITY, priority)
    if err != nil {
        return nil, fmt.Errorf("error in setting priority option on socket: 
%s", err)
    }

    return conn, nil
}

    And, read data from that port with timeout

conn.SetReadDeadline(time.Now().Add(time.Second * 5))
    n, addr, err = conn.ReadFromUDP(buf)

    But, i found the deadline not work...

    Any good suggestions?

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