Function send_impl

api/src/syscall/net/io.rs:19–46

(
    fd: i32,
    mut src: impl Read + IoBuf,
    flags: u32,
    addr: UserConstPtr<sockaddr>,
    addrlen: socklen_t,
    cmsg: Vec<CMsgData>,
)

};

fn send_impl(
    fd: i32,
    mut src: impl Read + IoBuf,
    flags: u32,
    addr: UserConstPtr<sockaddr>,
    addrlen: socklen_t,
    cmsg: Vec<CMsgData>,
) -> AxResult<isize> {
    let addr = if addr.is_null() || addrlen == 0 {
        None
    } else {
        Some(SocketAddrEx::read_from_user(addr, addrlen)?)
    };

    debug!("sys_send <= fd: {fd}, flags: {flags}, addr: {addr:?}");

    let socket = Socket::from_fd(fd)?;
    let sent = socket.send(
        &mut src,
        SendOptions {
            to: addr,
            flags: SendFlags::default(),
            cmsg,
        },
    )?;

    Ok(sent as isize)
}

pub fn sys_sendto(
    fd: i32,