Small fixes (#508)

* Make Shutdown public
* Remove unused import
* Fix documentation mistake
* Fix typo

src/reactor/mod.rs

@@ -81,7 +81,7 @@
 //! ## Implementation
 //!
 //! The reactor implementation uses [`mio`] to interface with the operating
-//! system's event queue. A call to [`Reactor::poll`] results in in a single
+//! system's event queue. A call to [`Reactor::poll`] results in a single
 //! call to [`Poll::poll`] which in turn results in a single call to the
 //! operating system's selector.
 //!
@@ -107,8 +107,8 @@
 //! There are a couple of ways to do this.
 //!
 //! If the custom I/O resource implements [`mio::Evented`] and implements
-//! [`std::Read`] and / or [`std::Write`], then [`PollEvented`] is the most
-//! suited.
+//! [`std::io::Read`] and / or [`std::io::Write`], then [`PollEvented`] is the
+//! most suited.
 //!
 //! Otherwise, [`Registration`] can be used directly. This provides the lowest
 //! level primitive needed for integrating with the reactor: a stream of

tokio-reactor/src/lib.rs

@@ -49,7 +49,7 @@ mod registration;
 
 // ===== Public re-exports =====
 
-pub use self::background::Background;
+pub use self::background::{Background, Shutdown};
 pub use self::registration::Registration;
 pub use self::poll_evented::PollEvented;
 
@@ -61,7 +61,7 @@ use tokio_executor::Enter;
 use tokio_executor::park::{Park, Unpark};
 
 use std::{fmt, usize};
-use std::io::{self, ErrorKind};
+use std::io;
 use std::mem;
 use std::cell::RefCell;
 use std::sync::atomic::Ordering::{Relaxed, SeqCst};
@@ -353,7 +353,6 @@ impl Reactor {
         // happened.
         match self.inner.io.poll(&mut self.events, max_wait) {
             Ok(_) => {}
-            Err(ref e) if e.kind() == ErrorKind::Interrupted => return Ok(()),
             Err(e) => return Err(e),
         }
 

tokio-reactor/src/poll_evented.rs

@@ -52,7 +52,7 @@ use std::sync::atomic::Ordering::Relaxed;
 ///
 /// This allows the caller to implement additional functions. For example,
 /// [`TcpListener`] implements poll_accept by using [`poll_read_ready`] and
-/// [`clear_write_ready`].
+/// [`clear_read_ready`].
 ///
 /// ```rust,ignore
 /// pub fn poll_accept(&mut self) -> Poll<(net::TcpStream, SocketAddr), io::Error> {
@@ -85,7 +85,7 @@ use std::sync::atomic::Ordering::Relaxed;
 /// [`Registration`]: struct.Registration.html
 /// [`TcpListener`]: ../net/struct.TcpListener.html
 /// [`clear_read_ready`]: #method.clear_read_ready
-/// [`clear_write_ready`]: #method.clear_write_ready
+/// [`clear_read_ready`]: #method.clear_read_ready
 /// [`poll_read_ready`]: #method.poll_read_ready
 /// [`poll_write_ready`]: #method.poll_write_ready
 pub struct PollEvented<E: Evented> {
@@ -342,7 +342,7 @@ where E: Evented
     /// cannot be cleared as it is a final state.
     ///
     /// After calling this function, `poll_write_ready(Ready::writable())` will
-    /// return `NotReady` until a new read readiness event has been received.
+    /// return `NotReady` until a new write readiness event has been received.
     ///
     /// # Panics
     ///