1 files changed, 551 insertions, 0 deletions
diff --git a/library/std/src/sys/unix/l4re.rs b/library/std/src/sys/unix/l4re.rs
new file mode 100644
index 000000000..996758893
--- /dev/null
+++ b/library/std/src/sys/unix/l4re.rs
@@ -0,0 +1,551 @@
+macro_rules! unimpl {
+    () => {
+        return Err(io::const_io_error!(
+            io::ErrorKind::Unsupported,
+            "No networking available on L4Re.",
+        ));
+    };
+}
+
+pub mod net {
+    #![allow(warnings)]
+    use crate::fmt;
+    use crate::io::{self, IoSlice, IoSliceMut};
+    use crate::net::{Ipv4Addr, Ipv6Addr, Shutdown, SocketAddr};
+    use crate::os::unix::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};
+    use crate::sys::fd::FileDesc;
+    use crate::sys_common::{AsInner, FromInner, IntoInner};
+    use crate::time::Duration;
+
+    #[allow(unused_extern_crates)]
+    pub extern crate libc as netc;
+
+    pub struct Socket(FileDesc);
+    impl Socket {
+        pub fn new(_: &SocketAddr, _: libc::c_int) -> io::Result<Socket> {
+            unimpl!();
+        }
+
+        pub fn new_raw(_: libc::c_int, _: libc::c_int) -> io::Result<Socket> {
+            unimpl!();
+        }
+
+        pub fn new_pair(_: libc::c_int, _: libc::c_int) -> io::Result<(Socket, Socket)> {
+            unimpl!();
+        }
+
+        pub fn connect_timeout(&self, _: &SocketAddr, _: Duration) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn accept(
+            &self,
+            _: *mut libc::sockaddr,
+            _: *mut libc::socklen_t,
+        ) -> io::Result<Socket> {
+            unimpl!();
+        }
+
+        pub fn duplicate(&self) -> io::Result<Socket> {
+            unimpl!();
+        }
+
+        pub fn read(&self, _: &mut [u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn read_vectored(&self, _: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn is_read_vectored(&self) -> bool {
+            false
+        }
+
+        pub fn peek(&self, _: &mut [u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn recv_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
+            unimpl!();
+        }
+
+        pub fn peek_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
+            unimpl!();
+        }
+
+        pub fn write(&self, _: &[u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn write_vectored(&self, _: &[IoSlice<'_>]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn is_write_vectored(&self) -> bool {
+            false
+        }
+
+        pub fn set_timeout(&self, _: Option<Duration>, _: libc::c_int) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn timeout(&self, _: libc::c_int) -> io::Result<Option<Duration>> {
+            unimpl!();
+        }
+
+        pub fn shutdown(&self, _: Shutdown) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn set_linger(&self, _: Option<Duration>) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn linger(&self) -> io::Result<Option<Duration>> {
+            unimpl!();
+        }
+
+        pub fn set_nodelay(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn nodelay(&self) -> io::Result<bool> {
+            unimpl!();
+        }
+
+        pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn take_error(&self) -> io::Result<Option<io::Error>> {
+            unimpl!();
+        }
+
+        // This is used by sys_common code to abstract over Windows and Unix.
+        pub fn as_raw(&self) -> RawFd {
+            self.as_raw_fd()
+        }
+    }
+
+    impl AsInner<FileDesc> for Socket {
+        fn as_inner(&self) -> &FileDesc {
+            &self.0
+        }
+    }
+
+    impl FromInner<FileDesc> for Socket {
+        fn from_inner(file_desc: FileDesc) -> Socket {
+            Socket(file_desc)
+        }
+    }
+
+    impl IntoInner<FileDesc> for Socket {
+        fn into_inner(self) -> FileDesc {
+            self.0
+        }
+    }
+
+    impl AsFd for Socket {
+        fn as_fd(&self) -> BorrowedFd<'_> {
+            self.0.as_fd()
+        }
+    }
+
+    impl AsRawFd for Socket {
+        fn as_raw_fd(&self) -> RawFd {
+            self.0.as_raw_fd()
+        }
+    }
+
+    impl IntoRawFd for Socket {
+        fn into_raw_fd(self) -> RawFd {
+            self.0.into_raw_fd()
+        }
+    }
+
+    impl FromRawFd for Socket {
+        unsafe fn from_raw_fd(raw_fd: RawFd) -> Self {
+            Self(FromRawFd::from_raw_fd(raw_fd))
+        }
+    }
+
+    pub struct TcpStream {
+        inner: Socket,
+    }
+
+    impl TcpStream {
+        pub fn connect(_: io::Result<&SocketAddr>) -> io::Result<TcpStream> {
+            unimpl!();
+        }
+
+        pub fn connect_timeout(_: &SocketAddr, _: Duration) -> io::Result<TcpStream> {
+            unimpl!();
+        }
+
+        pub fn socket(&self) -> &Socket {
+            &self.inner
+        }
+
+        pub fn into_socket(self) -> Socket {
+            self.inner
+        }
+
+        pub fn set_read_timeout(&self, _: Option<Duration>) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn set_write_timeout(&self, _: Option<Duration>) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
+            unimpl!();
+        }
+
+        pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
+            unimpl!();
+        }
+
+        pub fn peek(&self, _: &mut [u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn read(&self, _: &mut [u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn read_vectored(&self, _: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn is_read_vectored(&self) -> bool {
+            false
+        }
+
+        pub fn write(&self, _: &[u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn write_vectored(&self, _: &[IoSlice<'_>]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn is_write_vectored(&self) -> bool {
+            false
+        }
+
+        pub fn peer_addr(&self) -> io::Result<SocketAddr> {
+            unimpl!();
+        }
+
+        pub fn socket_addr(&self) -> io::Result<SocketAddr> {
+            unimpl!();
+        }
+
+        pub fn shutdown(&self, _: Shutdown) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn duplicate(&self) -> io::Result<TcpStream> {
+            unimpl!();
+        }
+
+        pub fn set_linger(&self, _: Option<Duration>) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn linger(&self) -> io::Result<Option<Duration>> {
+            unimpl!();
+        }
+
+        pub fn set_nodelay(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn nodelay(&self) -> io::Result<bool> {
+            unimpl!();
+        }
+
+        pub fn set_ttl(&self, _: u32) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn ttl(&self) -> io::Result<u32> {
+            unimpl!();
+        }
+
+        pub fn take_error(&self) -> io::Result<Option<io::Error>> {
+            unimpl!();
+        }
+
+        pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+    }
+
+    impl FromInner<Socket> for TcpStream {
+        fn from_inner(socket: Socket) -> TcpStream {
+            TcpStream { inner: socket }
+        }
+    }
+
+    impl fmt::Debug for TcpStream {
+        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+            write!(f, "No networking support available on L4Re")
+        }
+    }
+
+    pub struct TcpListener {
+        inner: Socket,
+    }
+
+    impl TcpListener {
+        pub fn bind(_: io::Result<&SocketAddr>) -> io::Result<TcpListener> {
+            unimpl!();
+        }
+
+        pub fn socket(&self) -> &Socket {
+            &self.inner
+        }
+
+        pub fn into_socket(self) -> Socket {
+            self.inner
+        }
+
+        pub fn socket_addr(&self) -> io::Result<SocketAddr> {
+            unimpl!();
+        }
+
+        pub fn accept(&self) -> io::Result<(TcpStream, SocketAddr)> {
+            unimpl!();
+        }
+
+        pub fn duplicate(&self) -> io::Result<TcpListener> {
+            unimpl!();
+        }
+
+        pub fn set_ttl(&self, _: u32) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn ttl(&self) -> io::Result<u32> {
+            unimpl!();
+        }
+
+        pub fn set_only_v6(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn only_v6(&self) -> io::Result<bool> {
+            unimpl!();
+        }
+
+        pub fn take_error(&self) -> io::Result<Option<io::Error>> {
+            unimpl!();
+        }
+
+        pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+    }
+
+    impl FromInner<Socket> for TcpListener {
+        fn from_inner(socket: Socket) -> TcpListener {
+            TcpListener { inner: socket }
+        }
+    }
+
+    impl fmt::Debug for TcpListener {
+        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+            write!(f, "No networking support available on L4Re.")
+        }
+    }
+
+    pub struct UdpSocket {
+        inner: Socket,
+    }
+
+    impl UdpSocket {
+        pub fn bind(_: io::Result<&SocketAddr>) -> io::Result<UdpSocket> {
+            unimpl!();
+        }
+
+        pub fn socket(&self) -> &Socket {
+            &self.inner
+        }
+
+        pub fn into_socket(self) -> Socket {
+            self.inner
+        }
+
+        pub fn peer_addr(&self) -> io::Result<SocketAddr> {
+            unimpl!();
+        }
+
+        pub fn socket_addr(&self) -> io::Result<SocketAddr> {
+            unimpl!();
+        }
+
+        pub fn recv_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
+            unimpl!();
+        }
+
+        pub fn peek_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
+            unimpl!();
+        }
+
+        pub fn send_to(&self, _: &[u8], _: &SocketAddr) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn duplicate(&self) -> io::Result<UdpSocket> {
+            unimpl!();
+        }
+
+        pub fn set_read_timeout(&self, _: Option<Duration>) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn set_write_timeout(&self, _: Option<Duration>) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
+            unimpl!();
+        }
+
+        pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
+            unimpl!();
+        }
+
+        pub fn set_broadcast(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn broadcast(&self) -> io::Result<bool> {
+            unimpl!();
+        }
+
+        pub fn set_multicast_loop_v4(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn multicast_loop_v4(&self) -> io::Result<bool> {
+            unimpl!();
+        }
+
+        pub fn set_multicast_ttl_v4(&self, _: u32) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn multicast_ttl_v4(&self) -> io::Result<u32> {
+            unimpl!();
+        }
+
+        pub fn set_multicast_loop_v6(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn multicast_loop_v6(&self) -> io::Result<bool> {
+            unimpl!();
+        }
+
+        pub fn join_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn join_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn leave_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn leave_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn set_ttl(&self, _: u32) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn ttl(&self) -> io::Result<u32> {
+            unimpl!();
+        }
+
+        pub fn take_error(&self) -> io::Result<Option<io::Error>> {
+            unimpl!();
+        }
+
+        pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
+            unimpl!();
+        }
+
+        pub fn recv(&self, _: &mut [u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn peek(&self, _: &mut [u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn send(&self, _: &[u8]) -> io::Result<usize> {
+            unimpl!();
+        }
+
+        pub fn connect(&self, _: io::Result<&SocketAddr>) -> io::Result<()> {
+            unimpl!();
+        }
+    }
+
+    impl FromInner<Socket> for UdpSocket {
+        fn from_inner(socket: Socket) -> UdpSocket {
+            UdpSocket { inner: socket }
+        }
+    }
+
+    impl fmt::Debug for UdpSocket {
+        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+            write!(f, "No networking support on L4Re available.")
+        }
+    }
+
+    pub struct LookupHost {
+        original: *mut libc::addrinfo,
+        cur: *mut libc::addrinfo,
+    }
+
+    impl Iterator for LookupHost {
+        type Item = SocketAddr;
+        fn next(&mut self) -> Option<SocketAddr> {
+            None
+        }
+    }
+
+    impl LookupHost {
+        pub fn port(&self) -> u16 {
+            0 // unimplemented
+        }
+    }
+
+    unsafe impl Sync for LookupHost {}
+    unsafe impl Send for LookupHost {}
+
+    impl TryFrom<&str> for LookupHost {
+        type Error = io::Error;
+
+        fn try_from(_v: &str) -> io::Result<LookupHost> {
+            unimpl!();
+        }
+    }
+
+    impl<'a> TryFrom<(&'a str, u16)> for LookupHost {
+        type Error = io::Error;
+
+        fn try_from(_v: (&'a str, u16)) -> io::Result<LookupHost> {
+            unimpl!();
+        }
+    }
+}