1 files changed, 6 insertions, 5 deletions
diff --git a/src/libstd/io/net/tcp.rs b/src/libstd/io/net/tcp.rs
index 7b1dd114d34..e343fdcd325 100644
--- a/src/libstd/io/net/tcp.rs
+++ b/src/libstd/io/net/tcp.rs
@@ -20,9 +20,10 @@
 #[deny(missing_doc)];
 
 use clone::Clone;
+use io::IoResult;
 use io::net::ip::SocketAddr;
 use io::{Reader, Writer, Listener, Acceptor};
-use io::IoResult;
+use kinds::Send;
 use rt::rtio::{IoFactory, LocalIo, RtioSocket, RtioTcpListener};
 use rt::rtio::{RtioTcpAcceptor, RtioTcpStream};
 
@@ -45,11 +46,11 @@ use rt::rtio::{RtioTcpAcceptor, RtioTcpStream};
 /// drop(stream); // close the connection
 /// ```
 pub struct TcpStream {
-    priv obj: ~RtioTcpStream
+    priv obj: ~RtioTcpStream:Send
 }
 
 impl TcpStream {
-    fn new(s: ~RtioTcpStream) -> TcpStream {
+    fn new(s: ~RtioTcpStream:Send) -> TcpStream {
         TcpStream { obj: s }
     }
 
@@ -127,7 +128,7 @@ impl Writer for TcpStream {
 /// # }
 /// ```
 pub struct TcpListener {
-    priv obj: ~RtioTcpListener
+    priv obj: ~RtioTcpListener:Send
 }
 
 impl TcpListener {
@@ -160,7 +161,7 @@ impl Listener<TcpStream, TcpAcceptor> for TcpListener {
 /// a `TcpListener`'s `listen` method, and this object can be used to accept new
 /// `TcpStream` instances.
 pub struct TcpAcceptor {
-    priv obj: ~RtioTcpAcceptor
+    priv obj: ~RtioTcpAcceptor:Send
 }
 
 impl Acceptor<TcpStream> for TcpAcceptor {