1 files changed, 0 insertions, 243 deletions
diff --git a/tokio-io/src/split.rs b/tokio-io/src/split.rs
deleted file mode 100644
index b9bd326b..00000000
--- a/tokio-io/src/split.rs
+++ /dev/null
@@ -1,243 +0,0 @@
-use crate::{AsyncRead, AsyncWrite};
-use bytes::{Buf, BufMut};
-use futures::sync::BiLock;
-use futures::{try_ready, Async, Poll};
-use std::io::{self, Read, Write};
-
-/// The readable half of an object returned from `AsyncRead::split`.
-#[derive(Debug)]
-pub struct ReadHalf<T> {
-    handle: BiLock<T>,
-}
-
-impl<T: AsyncRead + AsyncWrite> ReadHalf<T> {
-    /// Reunite with a previously split `WriteHalf`.
-    ///
-    /// # Panics
-    ///
-    /// If this `ReadHalf` and the given `WriteHalf` do not originate from
-    /// the same `AsyncRead::split` operation this method will panic.
-    pub fn unsplit(self, w: WriteHalf<T>) -> T {
-        if let Ok(x) = self.handle.reunite(w.handle) {
-            x
-        } else {
-            panic!("Unrelated `WriteHalf` passed to `ReadHalf::unsplit`.")
-        }
-    }
-}
-
-/// The writable half of an object returned from `AsyncRead::split`.
-#[derive(Debug)]
-pub struct WriteHalf<T> {
-    handle: BiLock<T>,
-}
-
-impl<T: AsyncRead + AsyncWrite> WriteHalf<T> {
-    /// Reunite with a previously split `ReadHalf`.
-    ///
-    /// # panics
-    ///
-    /// If this `WriteHalf` and the given `ReadHalf` do not originate from
-    /// the same `AsyncRead::split` operation this method will panic.
-    pub fn unsplit(self, r: ReadHalf<T>) -> T {
-        if let Ok(x) = self.handle.reunite(r.handle) {
-            x
-        } else {
-            panic!("Unrelated `ReadHalf` passed to `WriteHalf::unsplit`.")
-        }
-    }
-}
-
-pub fn split<T: AsyncRead + AsyncWrite>(t: T) -> (ReadHalf<T>, WriteHalf<T>) {
-    let (a, b) = BiLock::new(t);
-    (ReadHalf { handle: a }, WriteHalf { handle: b })
-}
-
-fn would_block() -> io::Error {
-    io::Error::new(io::ErrorKind::WouldBlock, "would block")
-}
-
-impl<T: AsyncRead> Read for ReadHalf<T> {
-    fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
-        match self.handle.poll_lock() {
-            Async::Ready(mut l) => l.read(buf),
-            Async::NotReady => Err(would_block()),
-        }
-    }
-}
-
-impl<T: AsyncRead> AsyncRead for ReadHalf<T> {
-    fn read_buf<B: BufMut>(&mut self, buf: &mut B) -> Poll<usize, io::Error> {
-        let mut l = try_ready!(wrap_as_io(self.handle.poll_lock()));
-        l.read_buf(buf)
-    }
-}
-
-impl<T: AsyncWrite> Write for WriteHalf<T> {
-    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
-        match self.handle.poll_lock() {
-            Async::Ready(mut l) => l.write(buf),
-            Async::NotReady => Err(would_block()),
-        }
-    }
-
-    fn flush(&mut self) -> io::Result<()> {
-        match self.handle.poll_lock() {
-            Async::Ready(mut l) => l.flush(),
-            Async::NotReady => Err(would_block()),
-        }
-    }
-}
-
-impl<T: AsyncWrite> AsyncWrite for WriteHalf<T> {
-    fn shutdown(&mut self) -> Poll<(), io::Error> {
-        let mut l = try_ready!(wrap_as_io(self.handle.poll_lock()));
-        l.shutdown()
-    }
-
-    fn write_buf<B: Buf>(&mut self, buf: &mut B) -> Poll<usize, io::Error>
-    where
-        Self: Sized,
-    {
-        let mut l = try_ready!(wrap_as_io(self.handle.poll_lock()));
-        l.write_buf(buf)
-    }
-}
-
-fn wrap_as_io<T>(t: Async<T>) -> Result<Async<T>, io::Error> {
-    Ok(t)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{AsyncRead, AsyncWrite, ReadHalf, WriteHalf};
-    use bytes::{BytesMut, IntoBuf};
-    use futures::sync::BiLock;
-    use futures::{future::lazy, future::ok, Async, Poll};
-    use std::io::{self, Read, Write};
-    use tokio_current_thread;
-
-    struct RW;
-
-    impl Read for RW {
-        fn read(&mut self, _: &mut [u8]) -> io::Result<usize> {
-            Ok(1)
-        }
-    }
-
-    impl AsyncRead for RW {}
-
-    impl Write for RW {
-        fn write(&mut self, _: &[u8]) -> io::Result<usize> {
-            Ok(1)
-        }
-
-        fn flush(&mut self) -> io::Result<()> {
-            Ok(())
-        }
-    }
-
-    impl AsyncWrite for RW {
-        fn shutdown(&mut self) -> Poll<(), io::Error> {
-            Ok(Async::Ready(()))
-        }
-    }
-
-    #[test]
-    fn split_readhalf_translate_wouldblock_to_not_ready() {
-        tokio_current_thread::block_on_all(lazy(move || {
-            let rw = RW {};
-            let (a, b) = BiLock::new(rw);
-            let mut rx = ReadHalf { handle: a };
-
-            let mut buf = BytesMut::with_capacity(64);
-
-            // First read is uncontended, should go through.
-            assert!(rx.read_buf(&mut buf).unwrap().is_ready());
-
-            // Take lock from write side.
-            let lock = b.poll_lock();
-
-            // Second read should be NotReady.
-            assert!(!rx.read_buf(&mut buf).unwrap().is_ready());
-
-            drop(lock);
-
-            // Back to uncontended.
-            assert!(rx.read_buf(&mut buf).unwrap().is_ready());
-
-            ok::<(), ()>(())
-        }))
-        .unwrap();
-    }
-
-    #[test]
-    fn split_writehalf_translate_wouldblock_to_not_ready() {
-        tokio_current_thread::block_on_all(lazy(move || {
-            let rw = RW {};
-            let (a, b) = BiLock::new(rw);
-            let mut tx = WriteHalf { handle: a };
-
-            let bufmut = BytesMut::with_capacity(64);
-            let mut buf = bufmut.into_buf();
-
-            // First write is uncontended, should go through.
-            assert!(tx.write_buf(&mut buf).unwrap().is_ready());
-
-            // Take lock from read side.
-            let lock = b.poll_lock();
-
-            // Second write should be NotReady.
-            assert!(!tx.write_buf(&mut buf).unwrap().is_ready());
-
-            drop(lock);
-
-            // Back to uncontended.
-            assert!(tx.write_buf(&mut buf).unwrap().is_ready());
-
-            ok::<(), ()>(())
-        }))
-        .unwrap();
-    }
-
-    #[test]
-    fn unsplit_ok() {
-        let (r, w) = RW.split();
-        r.unsplit(w);
-
-        let (r, w) = RW.split();
-        w.unsplit(r);
-    }
-
-    #[test]
-    #[should_panic]
-    fn unsplit_err1() {
-        let (r, _) = RW.split();
-        let (_, w) = RW.split();
-        r.unsplit(w);
-    }
-
-    #[test]
-    #[should_panic]
-    fn unsplit_err2() {
-        let (_, w) = RW.split();
-        let (r, _) = RW.split();
-        r.unsplit(w);
-    }
-
-    #[test]
-    #[should_panic]
-    fn unsplit_err3() {
-        let (_, w) = RW.split();
-        let (r, _) = RW.split();
-        w.unsplit(r);
-    }
-
-    #[test]
-    #[should_panic]
-    fn unsplit_err4() {
-        let (r, _) = RW.split();
-        let (_, w) = RW.split();
-        w.unsplit(r);
-    }
-}