Don't wait for a full buffer when reading TCP

libnative erroneously would attempt to fill the entire buffer in a call to
`read` before returning, when rather it should return immediately because
there's not guaranteed to be any data that will ever be received again.

Close #11328

1 files changed, 4 insertions, 4 deletions

diff --git a/src/libnative/io/net.rs b/src/libnative/io/net.rs
index b26ac141192..adcd21f0ac4 100644
--- a/src/libnative/io/net.rs
+++ b/src/libnative/io/net.rs
@@ -275,12 +275,12 @@ impl TcpStream {
 
 impl rtio::RtioTcpStream for TcpStream {
     fn read(&mut self, buf: &mut [u8]) -> IoResult<uint> {
-        let ret = keep_going(buf, |buf, len| {
+        let ret = retry(|| {
             unsafe {
                 libc::recv(self.fd,
-                           buf as *mut libc::c_void,
-                           len as wrlen,
-                           0) as i64
+                           buf.as_ptr() as *mut libc::c_void,
+                           buf.len() as wrlen,
+                           0) as libc::c_int
             }
         });
         if ret == 0 {