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 <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-1.28.2/src/net/unix/stream.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>stream.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../normalize.css"><link rel="stylesheet" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../dark.css" disabled><link rel="stylesheet" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../../tokio/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../tokio/index.html"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span>
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 </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">crate</span>::future::poll_fn;
 <span class="kw">use </span><span class="kw">crate</span>::io::{AsyncRead, AsyncWrite, Interest, PollEvented, ReadBuf, Ready};
 <span class="kw">use </span><span class="kw">crate</span>::net::unix::split::{split, ReadHalf, WriteHalf};
 <span class="kw">use </span><span class="kw">crate</span>::net::unix::split_owned::{split_owned, OwnedReadHalf, OwnedWriteHalf};
 <span class="kw">use </span><span class="kw">crate</span>::net::unix::ucred::{<span class="self">self</span>, UCred};
 <span class="kw">use </span><span class="kw">crate</span>::net::unix::SocketAddr;

 <span class="kw">use </span>std::fmt;
 <span class="kw">use </span>std::io::{<span class="self">self</span>, Read, Write};
 <span class="kw">use </span>std::net::Shutdown;
 <span class="attribute">#[cfg(not(tokio_no_as_fd))]
 </span><span class="kw">use </span>std::os::unix::io::{AsFd, BorrowedFd};
 <span class="kw">use </span>std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
 <span class="kw">use </span>std::os::unix::net;
 <span class="kw">use </span>std::path::Path;
 <span class="kw">use </span>std::pin::Pin;
 <span class="kw">use </span>std::task::{Context, Poll};

 <span class="macro">cfg_io_util! </span>{
     <span class="kw">use </span>bytes::BufMut;
 }

 <span class="macro">cfg_net_unix! </span>{
     <span class="doccomment">/// A structure representing a connected Unix socket.
     ///
     /// This socket can be connected directly with [`UnixStream::connect`] or accepted
     /// from a listener with [`UnixListener::accept`]. Additionally, a pair of
     /// anonymous Unix sockets can be created with `UnixStream::pair`.
     ///
     /// To shut down the stream in the write direction, you can call the
     /// [`shutdown()`] method. This will cause the other peer to receive a read of
     /// length 0, indicating that no more data will be sent. This only closes
     /// the stream in one direction.
     ///
     /// [`shutdown()`]: fn@crate::io::AsyncWriteExt::shutdown
     /// [`UnixListener::accept`]: crate::net::UnixListener::accept
     </span><span class="kw">pub struct </span>UnixStream {
         io: PollEvented&lt;mio::net::UnixStream&gt;,
     }
 }

 <span class="kw">impl </span>UnixStream {
     <span class="doccomment">/// Connects to the socket named by `path`.
     ///
     /// This function will create a new Unix socket and connect to the path
     /// specified, associating the returned stream with the default event loop&#39;s
     /// handle.
     </span><span class="kw">pub async fn </span>connect&lt;P&gt;(path: P) -&gt; io::Result&lt;UnixStream&gt;
     <span class="kw">where
         </span>P: AsRef&lt;Path&gt;,
     {
         <span class="kw">let </span>stream = mio::net::UnixStream::connect(path)<span class="question-mark">?</span>;
         <span class="kw">let </span>stream = UnixStream::new(stream)<span class="question-mark">?</span>;

         poll_fn(|cx| stream.io.registration().poll_write_ready(cx)).<span class="kw">await</span><span class="question-mark">?</span>;

         <span class="kw">if let </span><span class="prelude-val">Some</span>(e) = stream.io.take_error()<span class="question-mark">? </span>{
             <span class="kw">return </span><span class="prelude-val">Err</span>(e);
         }

         <span class="prelude-val">Ok</span>(stream)
     }

     <span class="doccomment">/// Waits for any of the requested ready states.
     ///
     /// This function is usually paired with `try_read()` or `try_write()`. It
     /// can be used to concurrently read / write to the same socket on a single
     /// task without splitting the socket.
     ///
     /// The function may complete without the socket being ready. This is a
     /// false-positive and attempting an operation will return with
     /// `io::ErrorKind::WouldBlock`. The function can also return with an empty
     /// [`Ready`] set, so you should always check the returned value and possibly
     /// wait again if the requested states are not set.
     ///
     /// # Cancel safety
     ///
     /// This method is cancel safe. Once a readiness event occurs, the method
     /// will continue to return immediately until the readiness event is
     /// consumed by an attempt to read or write that fails with `WouldBlock` or
     /// `Poll::Pending`.
     ///
     /// # Examples
     ///
     /// Concurrently read and write to the stream on the same task without
     /// splitting.
     ///
     /// ```no_run
     /// use tokio::io::Interest;
     /// use tokio::net::UnixStream;
     /// use std::error::Error;
     /// use std::io;
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///     let stream = UnixStream::connect(bind_path).await?;
     ///
     ///     loop {
     ///         let ready = stream.ready(Interest::READABLE | Interest::WRITABLE).await?;
     ///
     ///         if ready.is_readable() {
     ///             let mut data = vec![0; 1024];
     ///             // Try to read data, this may still fail with `WouldBlock`
     ///             // if the readiness event is a false positive.
     ///             match stream.try_read(&amp;mut data) {
     ///                 Ok(n) =&gt; {
     ///                     println!(&quot;read {} bytes&quot;, n);
     ///                 }
     ///                 Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                     continue;
     ///                 }
     ///                 Err(e) =&gt; {
     ///                     return Err(e.into());
     ///                 }
     ///             }
     ///
     ///         }
     ///
     ///         if ready.is_writable() {
     ///             // Try to write data, this may still fail with `WouldBlock`
     ///             // if the readiness event is a false positive.
     ///             match stream.try_write(b&quot;hello world&quot;) {
     ///                 Ok(n) =&gt; {
     ///                     println!(&quot;write {} bytes&quot;, n);
     ///                 }
     ///                 Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                     continue;
     ///                 }
     ///                 Err(e) =&gt; {
     ///                     return Err(e.into());
     ///                 }
     ///             }
     ///         }
     ///     }
     /// }
     /// ```
     </span><span class="kw">pub async fn </span>ready(<span class="kw-2">&amp;</span><span class="self">self</span>, interest: Interest) -&gt; io::Result&lt;Ready&gt; {
         <span class="kw">let </span>event = <span class="self">self</span>.io.registration().readiness(interest).<span class="kw">await</span><span class="question-mark">?</span>;
         <span class="prelude-val">Ok</span>(event.ready)
     }

     <span class="doccomment">/// Waits for the socket to become readable.
     ///
     /// This function is equivalent to `ready(Interest::READABLE)` and is usually
     /// paired with `try_read()`.
     ///
     /// # Cancel safety
     ///
     /// This method is cancel safe. Once a readiness event occurs, the method
     /// will continue to return immediately until the readiness event is
     /// consumed by an attempt to read that fails with `WouldBlock` or
     /// `Poll::Pending`.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     /// use std::error::Error;
     /// use std::io;
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     // Connect to a peer
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///     let stream = UnixStream::connect(bind_path).await?;
     ///
     ///     let mut msg = vec![0; 1024];
     ///
     ///     loop {
     ///         // Wait for the socket to be readable
     ///         stream.readable().await?;
     ///
     ///         // Try to read data, this may still fail with `WouldBlock`
     ///         // if the readiness event is a false positive.
     ///         match stream.try_read(&amp;mut msg) {
     ///             Ok(n) =&gt; {
     ///                 msg.truncate(n);
     ///                 break;
     ///             }
     ///             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                 continue;
     ///             }
     ///             Err(e) =&gt; {
     ///                 return Err(e.into());
     ///             }
     ///         }
     ///     }
     ///
     ///     println!(&quot;GOT = {:?}&quot;, msg);
     ///     Ok(())
     /// }
     /// ```
     </span><span class="kw">pub async fn </span>readable(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; io::Result&lt;()&gt; {
         <span class="self">self</span>.ready(Interest::READABLE).<span class="kw">await</span><span class="question-mark">?</span>;
         <span class="prelude-val">Ok</span>(())
     }

     <span class="doccomment">/// Polls for read readiness.
     ///
     /// If the unix stream is not currently ready for reading, this method will
     /// store a clone of the `Waker` from the provided `Context`. When the unix
     /// stream becomes ready for reading, `Waker::wake` will be called on the
     /// waker.
     ///
     /// Note that on multiple calls to `poll_read_ready` or `poll_read`, only
     /// the `Waker` from the `Context` passed to the most recent call is
     /// scheduled to receive a wakeup. (However, `poll_write_ready` retains a
     /// second, independent waker.)
     ///
     /// This function is intended for cases where creating and pinning a future
     /// via [`readable`] is not feasible. Where possible, using [`readable`] is
     /// preferred, as this supports polling from multiple tasks at once.
     ///
     /// # Return value
     ///
     /// The function returns:
     ///
     /// * `Poll::Pending` if the unix stream is not ready for reading.
     /// * `Poll::Ready(Ok(()))` if the unix stream is ready for reading.
     /// * `Poll::Ready(Err(e))` if an error is encountered.
     ///
     /// # Errors
     ///
     /// This function may encounter any standard I/O error except `WouldBlock`.
     ///
     /// [`readable`]: method@Self::readable
     </span><span class="kw">pub fn </span>poll_read_ready(<span class="kw-2">&amp;</span><span class="self">self</span>, cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; Poll&lt;io::Result&lt;()&gt;&gt; {
         <span class="self">self</span>.io.registration().poll_read_ready(cx).map_ok(|<span class="kw">_</span>| ())
     }

     <span class="doccomment">/// Try to read data from the stream into the provided buffer, returning how
     /// many bytes were read.
     ///
     /// Receives any pending data from the socket but does not wait for new data
     /// to arrive. On success, returns the number of bytes read. Because
     /// `try_read()` is non-blocking, the buffer does not have to be stored by
     /// the async task and can exist entirely on the stack.
     ///
     /// Usually, [`readable()`] or [`ready()`] is used with this function.
     ///
     /// [`readable()`]: UnixStream::readable()
     /// [`ready()`]: UnixStream::ready()
     ///
     /// # Return
     ///
     /// If data is successfully read, `Ok(n)` is returned, where `n` is the
     /// number of bytes read. If `n` is `0`, then it can indicate one of two scenarios:
     ///
     /// 1. The stream&#39;s read half is closed and will no longer yield data.
     /// 2. The specified buffer was 0 bytes in length.
     ///
     /// If the stream is not ready to read data,
     /// `Err(io::ErrorKind::WouldBlock)` is returned.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     /// use std::error::Error;
     /// use std::io;
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     // Connect to a peer
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///     let stream = UnixStream::connect(bind_path).await?;
     ///
     ///     loop {
     ///         // Wait for the socket to be readable
     ///         stream.readable().await?;
     ///
     ///         // Creating the buffer **after** the `await` prevents it from
     ///         // being stored in the async task.
     ///         let mut buf = [0; 4096];
     ///
     ///         // Try to read data, this may still fail with `WouldBlock`
     ///         // if the readiness event is a false positive.
     ///         match stream.try_read(&amp;mut buf) {
     ///             Ok(0) =&gt; break,
     ///             Ok(n) =&gt; {
     ///                 println!(&quot;read {} bytes&quot;, n);
     ///             }
     ///             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                 continue;
     ///             }
     ///             Err(e) =&gt; {
     ///                 return Err(e.into());
     ///             }
     ///         }
     ///     }
     ///
     ///     Ok(())
     /// }
     /// ```
     </span><span class="kw">pub fn </span>try_read(<span class="kw-2">&amp;</span><span class="self">self</span>, buf: <span class="kw-2">&amp;mut </span>[u8]) -&gt; io::Result&lt;usize&gt; {
         <span class="self">self</span>.io
             .registration()
             .try_io(Interest::READABLE, || (<span class="kw-2">&amp;*</span><span class="self">self</span>.io).read(buf))
     }

     <span class="doccomment">/// Tries to read data from the stream into the provided buffers, returning
     /// how many bytes were read.
     ///
     /// Data is copied to fill each buffer in order, with the final buffer
     /// written to possibly being only partially filled. This method behaves
     /// equivalently to a single call to [`try_read()`] with concatenated
     /// buffers.
     ///
     /// Receives any pending data from the socket but does not wait for new data
     /// to arrive. On success, returns the number of bytes read. Because
     /// `try_read_vectored()` is non-blocking, the buffer does not have to be
     /// stored by the async task and can exist entirely on the stack.
     ///
     /// Usually, [`readable()`] or [`ready()`] is used with this function.
     ///
     /// [`try_read()`]: UnixStream::try_read()
     /// [`readable()`]: UnixStream::readable()
     /// [`ready()`]: UnixStream::ready()
     ///
     /// # Return
     ///
     /// If data is successfully read, `Ok(n)` is returned, where `n` is the
     /// number of bytes read. `Ok(0)` indicates the stream&#39;s read half is closed
     /// and will no longer yield data. If the stream is not ready to read data
     /// `Err(io::ErrorKind::WouldBlock)` is returned.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     /// use std::error::Error;
     /// use std::io::{self, IoSliceMut};
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     // Connect to a peer
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///     let stream = UnixStream::connect(bind_path).await?;
     ///
     ///     loop {
     ///         // Wait for the socket to be readable
     ///         stream.readable().await?;
     ///
     ///         // Creating the buffer **after** the `await` prevents it from
     ///         // being stored in the async task.
     ///         let mut buf_a = [0; 512];
     ///         let mut buf_b = [0; 1024];
     ///         let mut bufs = [
     ///             IoSliceMut::new(&amp;mut buf_a),
     ///             IoSliceMut::new(&amp;mut buf_b),
     ///         ];
     ///
     ///         // Try to read data, this may still fail with `WouldBlock`
     ///         // if the readiness event is a false positive.
     ///         match stream.try_read_vectored(&amp;mut bufs) {
     ///             Ok(0) =&gt; break,
     ///             Ok(n) =&gt; {
     ///                 println!(&quot;read {} bytes&quot;, n);
     ///             }
     ///             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                 continue;
     ///             }
     ///             Err(e) =&gt; {
     ///                 return Err(e.into());
     ///             }
     ///         }
     ///     }
     ///
     ///     Ok(())
     /// }
     /// ```
     </span><span class="kw">pub fn </span>try_read_vectored(<span class="kw-2">&amp;</span><span class="self">self</span>, bufs: <span class="kw-2">&amp;mut </span>[io::IoSliceMut&lt;<span class="lifetime">&#39;_</span>&gt;]) -&gt; io::Result&lt;usize&gt; {
         <span class="self">self</span>.io
             .registration()
             .try_io(Interest::READABLE, || (<span class="kw-2">&amp;*</span><span class="self">self</span>.io).read_vectored(bufs))
     }

     <span class="macro">cfg_io_util! </span>{
         <span class="doccomment">/// Tries to read data from the stream into the provided buffer, advancing the
         /// buffer&#39;s internal cursor, returning how many bytes were read.
         ///
         /// Receives any pending data from the socket but does not wait for new data
         /// to arrive. On success, returns the number of bytes read. Because
         /// `try_read_buf()` is non-blocking, the buffer does not have to be stored by
         /// the async task and can exist entirely on the stack.
         ///
         /// Usually, [`readable()`] or [`ready()`] is used with this function.
         ///
         /// [`readable()`]: UnixStream::readable()
         /// [`ready()`]: UnixStream::ready()
         ///
         /// # Return
         ///
         /// If data is successfully read, `Ok(n)` is returned, where `n` is the
         /// number of bytes read. `Ok(0)` indicates the stream&#39;s read half is closed
         /// and will no longer yield data. If the stream is not ready to read data
         /// `Err(io::ErrorKind::WouldBlock)` is returned.
         ///
         /// # Examples
         ///
         /// ```no_run
         /// use tokio::net::UnixStream;
         /// use std::error::Error;
         /// use std::io;
         ///
         /// #[tokio::main]
         /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
         ///     // Connect to a peer
         ///     let dir = tempfile::tempdir().unwrap();
         ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
         ///     let stream = UnixStream::connect(bind_path).await?;
         ///
         ///     loop {
         ///         // Wait for the socket to be readable
         ///         stream.readable().await?;
         ///
         ///         let mut buf = Vec::with_capacity(4096);
         ///
         ///         // Try to read data, this may still fail with `WouldBlock`
         ///         // if the readiness event is a false positive.
         ///         match stream.try_read_buf(&amp;mut buf) {
         ///             Ok(0) =&gt; break,
         ///             Ok(n) =&gt; {
         ///                 println!(&quot;read {} bytes&quot;, n);
         ///             }
         ///             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
         ///                 continue;
         ///             }
         ///             Err(e) =&gt; {
         ///                 return Err(e.into());
         ///             }
         ///         }
         ///     }
         ///
         ///     Ok(())
         /// }
         /// ```
         </span><span class="kw">pub fn </span>try_read_buf&lt;B: BufMut&gt;(<span class="kw-2">&amp;</span><span class="self">self</span>, buf: <span class="kw-2">&amp;mut </span>B) -&gt; io::Result&lt;usize&gt; {
             <span class="self">self</span>.io.registration().try_io(Interest::READABLE, || {
                 <span class="kw">use </span>std::io::Read;

                 <span class="kw">let </span>dst = buf.chunk_mut();
                 <span class="kw">let </span>dst =
                     <span class="kw">unsafe </span>{ <span class="kw-2">&amp;mut *</span>(dst <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_ as </span><span class="kw-2">*mut </span>[std::mem::MaybeUninit&lt;u8&gt;] <span class="kw">as </span><span class="kw-2">*mut </span>[u8]) };

                 <span class="comment">// Safety: We trust `UnixStream::read` to have filled up `n` bytes in the
                 // buffer.
                 </span><span class="kw">let </span>n = (<span class="kw-2">&amp;*</span><span class="self">self</span>.io).read(dst)<span class="question-mark">?</span>;

                 <span class="kw">unsafe </span>{
                     buf.advance_mut(n);
                 }

                 <span class="prelude-val">Ok</span>(n)
             })
         }
     }

     <span class="doccomment">/// Waits for the socket to become writable.
     ///
     /// This function is equivalent to `ready(Interest::WRITABLE)` and is usually
     /// paired with `try_write()`.
     ///
     /// # Cancel safety
     ///
     /// This method is cancel safe. Once a readiness event occurs, the method
     /// will continue to return immediately until the readiness event is
     /// consumed by an attempt to write that fails with `WouldBlock` or
     /// `Poll::Pending`.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     /// use std::error::Error;
     /// use std::io;
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     // Connect to a peer
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///     let stream = UnixStream::connect(bind_path).await?;
     ///
     ///     loop {
     ///         // Wait for the socket to be writable
     ///         stream.writable().await?;
     ///
     ///         // Try to write data, this may still fail with `WouldBlock`
     ///         // if the readiness event is a false positive.
     ///         match stream.try_write(b&quot;hello world&quot;) {
     ///             Ok(n) =&gt; {
     ///                 break;
     ///             }
     ///             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                 continue;
     ///             }
     ///             Err(e) =&gt; {
     ///                 return Err(e.into());
     ///             }
     ///         }
     ///     }
     ///
     ///     Ok(())
     /// }
     /// ```
     </span><span class="kw">pub async fn </span>writable(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; io::Result&lt;()&gt; {
         <span class="self">self</span>.ready(Interest::WRITABLE).<span class="kw">await</span><span class="question-mark">?</span>;
         <span class="prelude-val">Ok</span>(())
     }

     <span class="doccomment">/// Polls for write readiness.
     ///
     /// If the unix stream is not currently ready for writing, this method will
     /// store a clone of the `Waker` from the provided `Context`. When the unix
     /// stream becomes ready for writing, `Waker::wake` will be called on the
     /// waker.
     ///
     /// Note that on multiple calls to `poll_write_ready` or `poll_write`, only
     /// the `Waker` from the `Context` passed to the most recent call is
     /// scheduled to receive a wakeup. (However, `poll_read_ready` retains a
     /// second, independent waker.)
     ///
     /// This function is intended for cases where creating and pinning a future
     /// via [`writable`] is not feasible. Where possible, using [`writable`] is
     /// preferred, as this supports polling from multiple tasks at once.
     ///
     /// # Return value
     ///
     /// The function returns:
     ///
     /// * `Poll::Pending` if the unix stream is not ready for writing.
     /// * `Poll::Ready(Ok(()))` if the unix stream is ready for writing.
     /// * `Poll::Ready(Err(e))` if an error is encountered.
     ///
     /// # Errors
     ///
     /// This function may encounter any standard I/O error except `WouldBlock`.
     ///
     /// [`writable`]: method@Self::writable
     </span><span class="kw">pub fn </span>poll_write_ready(<span class="kw-2">&amp;</span><span class="self">self</span>, cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; Poll&lt;io::Result&lt;()&gt;&gt; {
         <span class="self">self</span>.io.registration().poll_write_ready(cx).map_ok(|<span class="kw">_</span>| ())
     }

     <span class="doccomment">/// Tries to write a buffer to the stream, returning how many bytes were
     /// written.
     ///
     /// The function will attempt to write the entire contents of `buf`, but
     /// only part of the buffer may be written.
     ///
     /// This function is usually paired with `writable()`.
     ///
     /// # Return
     ///
     /// If data is successfully written, `Ok(n)` is returned, where `n` is the
     /// number of bytes written. If the stream is not ready to write data,
     /// `Err(io::ErrorKind::WouldBlock)` is returned.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     /// use std::error::Error;
     /// use std::io;
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     // Connect to a peer
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///     let stream = UnixStream::connect(bind_path).await?;
     ///
     ///     loop {
     ///         // Wait for the socket to be writable
     ///         stream.writable().await?;
     ///
     ///         // Try to write data, this may still fail with `WouldBlock`
     ///         // if the readiness event is a false positive.
     ///         match stream.try_write(b&quot;hello world&quot;) {
     ///             Ok(n) =&gt; {
     ///                 break;
     ///             }
     ///             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                 continue;
     ///             }
     ///             Err(e) =&gt; {
     ///                 return Err(e.into());
     ///             }
     ///         }
     ///     }
     ///
     ///     Ok(())
     /// }
     /// ```
     </span><span class="kw">pub fn </span>try_write(<span class="kw-2">&amp;</span><span class="self">self</span>, buf: <span class="kw-2">&amp;</span>[u8]) -&gt; io::Result&lt;usize&gt; {
         <span class="self">self</span>.io
             .registration()
             .try_io(Interest::WRITABLE, || (<span class="kw-2">&amp;*</span><span class="self">self</span>.io).write(buf))
     }

     <span class="doccomment">/// Tries to write several buffers to the stream, returning how many bytes
     /// were written.
     ///
     /// Data is written from each buffer in order, with the final buffer read
     /// from possible being only partially consumed. This method behaves
     /// equivalently to a single call to [`try_write()`] with concatenated
     /// buffers.
     ///
     /// This function is usually paired with `writable()`.
     ///
     /// [`try_write()`]: UnixStream::try_write()
     ///
     /// # Return
     ///
     /// If data is successfully written, `Ok(n)` is returned, where `n` is the
     /// number of bytes written. If the stream is not ready to write data,
     /// `Err(io::ErrorKind::WouldBlock)` is returned.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     /// use std::error::Error;
     /// use std::io;
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     // Connect to a peer
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///     let stream = UnixStream::connect(bind_path).await?;
     ///
     ///     let bufs = [io::IoSlice::new(b&quot;hello &quot;), io::IoSlice::new(b&quot;world&quot;)];
     ///
     ///     loop {
     ///         // Wait for the socket to be writable
     ///         stream.writable().await?;
     ///
     ///         // Try to write data, this may still fail with `WouldBlock`
     ///         // if the readiness event is a false positive.
     ///         match stream.try_write_vectored(&amp;bufs) {
     ///             Ok(n) =&gt; {
     ///                 break;
     ///             }
     ///             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock =&gt; {
     ///                 continue;
     ///             }
     ///             Err(e) =&gt; {
     ///                 return Err(e.into());
     ///             }
     ///         }
     ///     }
     ///
     ///     Ok(())
     /// }
     /// ```
     </span><span class="kw">pub fn </span>try_write_vectored(<span class="kw-2">&amp;</span><span class="self">self</span>, buf: <span class="kw-2">&amp;</span>[io::IoSlice&lt;<span class="lifetime">&#39;_</span>&gt;]) -&gt; io::Result&lt;usize&gt; {
         <span class="self">self</span>.io
             .registration()
             .try_io(Interest::WRITABLE, || (<span class="kw-2">&amp;*</span><span class="self">self</span>.io).write_vectored(buf))
     }

     <span class="doccomment">/// Tries to read or write from the socket using a user-provided IO operation.
     ///
     /// If the socket is ready, the provided closure is called. The closure
     /// should attempt to perform IO operation on the socket by manually
     /// calling the appropriate syscall. If the operation fails because the
     /// socket is not actually ready, then the closure should return a
     /// `WouldBlock` error and the readiness flag is cleared. The return value
     /// of the closure is then returned by `try_io`.
     ///
     /// If the socket is not ready, then the closure is not called
     /// and a `WouldBlock` error is returned.
     ///
     /// The closure should only return a `WouldBlock` error if it has performed
     /// an IO operation on the socket that failed due to the socket not being
     /// ready. Returning a `WouldBlock` error in any other situation will
     /// incorrectly clear the readiness flag, which can cause the socket to
     /// behave incorrectly.
     ///
     /// The closure should not perform the IO operation using any of the methods
     /// defined on the Tokio `UnixStream` type, as this will mess with the
     /// readiness flag and can cause the socket to behave incorrectly.
     ///
     /// This method is not intended to be used with combined interests.
     /// The closure should perform only one type of IO operation, so it should not
     /// require more than one ready state. This method may panic or sleep forever
     /// if it is called with a combined interest.
     ///
     /// Usually, [`readable()`], [`writable()`] or [`ready()`] is used with this function.
     ///
     /// [`readable()`]: UnixStream::readable()
     /// [`writable()`]: UnixStream::writable()
     /// [`ready()`]: UnixStream::ready()
     </span><span class="kw">pub fn </span>try_io&lt;R&gt;(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         interest: Interest,
         f: <span class="kw">impl </span>FnOnce() -&gt; io::Result&lt;R&gt;,
     ) -&gt; io::Result&lt;R&gt; {
         <span class="self">self</span>.io
             .registration()
             .try_io(interest, || <span class="self">self</span>.io.try_io(f))
     }

     <span class="doccomment">/// Reads or writes from the socket using a user-provided IO operation.
     ///
     /// The readiness of the socket is awaited and when the socket is ready,
     /// the provided closure is called. The closure should attempt to perform
     /// IO operation on the socket by manually calling the appropriate syscall.
     /// If the operation fails because the socket is not actually ready,
     /// then the closure should return a `WouldBlock` error. In such case the
     /// readiness flag is cleared and the socket readiness is awaited again.
     /// This loop is repeated until the closure returns an `Ok` or an error
     /// other than `WouldBlock`.
     ///
     /// The closure should only return a `WouldBlock` error if it has performed
     /// an IO operation on the socket that failed due to the socket not being
     /// ready. Returning a `WouldBlock` error in any other situation will
     /// incorrectly clear the readiness flag, which can cause the socket to
     /// behave incorrectly.
     ///
     /// The closure should not perform the IO operation using any of the methods
     /// defined on the Tokio `UnixStream` type, as this will mess with the
     /// readiness flag and can cause the socket to behave incorrectly.
     ///
     /// This method is not intended to be used with combined interests.
     /// The closure should perform only one type of IO operation, so it should not
     /// require more than one ready state. This method may panic or sleep forever
     /// if it is called with a combined interest.
     </span><span class="kw">pub async fn </span>async_io&lt;R&gt;(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         interest: Interest,
         <span class="kw-2">mut </span>f: <span class="kw">impl </span>FnMut() -&gt; io::Result&lt;R&gt;,
     ) -&gt; io::Result&lt;R&gt; {
         <span class="self">self</span>.io
             .registration()
             .async_io(interest, || <span class="self">self</span>.io.try_io(<span class="kw-2">&amp;mut </span>f))
             .<span class="kw">await
     </span>}

     <span class="doccomment">/// Creates new `UnixStream` from a `std::os::unix::net::UnixStream`.
     ///
     /// This function is intended to be used to wrap a UnixStream from the
     /// standard library in the Tokio equivalent.
     ///
     /// # Notes
     ///
     /// The caller is responsible for ensuring that the stream is in
     /// non-blocking mode. Otherwise all I/O operations on the stream
     /// will block the thread, which will cause unexpected behavior.
     /// Non-blocking mode can be set using [`set_nonblocking`].
     ///
     /// [`set_nonblocking`]: std::os::unix::net::UnixStream::set_nonblocking
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     /// use std::os::unix::net::UnixStream as StdUnixStream;
     /// # use std::error::Error;
     ///
     /// # async fn dox() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     /// let std_stream = StdUnixStream::connect(&quot;/path/to/the/socket&quot;)?;
     /// std_stream.set_nonblocking(true)?;
     /// let stream = UnixStream::from_std(std_stream)?;
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// # Panics
     ///
     /// This function panics if it is not called from within a runtime with
     /// IO enabled.
     ///
     /// The runtime is usually set implicitly when this function is called
     /// from a future driven by a tokio runtime, otherwise runtime can be set
     /// explicitly with [`Runtime::enter`](crate::runtime::Runtime::enter) function.
     </span><span class="attribute">#[track_caller]
     </span><span class="kw">pub fn </span>from_std(stream: net::UnixStream) -&gt; io::Result&lt;UnixStream&gt; {
         <span class="kw">let </span>stream = mio::net::UnixStream::from_std(stream);
         <span class="kw">let </span>io = PollEvented::new(stream)<span class="question-mark">?</span>;

         <span class="prelude-val">Ok</span>(UnixStream { io })
     }

     <span class="doccomment">/// Turns a [`tokio::net::UnixStream`] into a [`std::os::unix::net::UnixStream`].
     ///
     /// The returned [`std::os::unix::net::UnixStream`] will have nonblocking
     /// mode set as `true`.  Use [`set_nonblocking`] to change the blocking
     /// mode if needed.
     ///
     /// # Examples
     ///
     /// ```
     /// use std::error::Error;
     /// use std::io::Read;
     /// use tokio::net::UnixListener;
     /// # use tokio::net::UnixStream;
     /// # use tokio::io::AsyncWriteExt;
     ///
     /// #[tokio::main]
     /// async fn main() -&gt; Result&lt;(), Box&lt;dyn Error&gt;&gt; {
     ///     let dir = tempfile::tempdir().unwrap();
     ///     let bind_path = dir.path().join(&quot;bind_path&quot;);
     ///
     ///     let mut data = [0u8; 12];
     ///     let listener = UnixListener::bind(&amp;bind_path)?;
     /// #   let handle = tokio::spawn(async {
     /// #       let mut stream = UnixStream::connect(bind_path).await.unwrap();
     /// #       stream.write(b&quot;Hello world!&quot;).await.unwrap();
     /// #   });
     ///     let (tokio_unix_stream, _) = listener.accept().await?;
     ///     let mut std_unix_stream = tokio_unix_stream.into_std()?;
     /// #   handle.await.expect(&quot;The task being joined has panicked&quot;);
     ///     std_unix_stream.set_nonblocking(false)?;
     ///     std_unix_stream.read_exact(&amp;mut data)?;
     /// #   assert_eq!(b&quot;Hello world!&quot;, &amp;data);
     ///     Ok(())
     /// }
     /// ```
     /// [`tokio::net::UnixStream`]: UnixStream
     /// [`std::os::unix::net::UnixStream`]: std::os::unix::net::UnixStream
     /// [`set_nonblocking`]: fn@std::os::unix::net::UnixStream::set_nonblocking
     </span><span class="kw">pub fn </span>into_std(<span class="self">self</span>) -&gt; io::Result&lt;std::os::unix::net::UnixStream&gt; {
         <span class="self">self</span>.io
             .into_inner()
             .map(|io| io.into_raw_fd())
             .map(|raw_fd| <span class="kw">unsafe </span>{ std::os::unix::net::UnixStream::from_raw_fd(raw_fd) })
     }

     <span class="doccomment">/// Creates an unnamed pair of connected sockets.
     ///
     /// This function will create a pair of interconnected Unix sockets for
     /// communicating back and forth between one another. Each socket will
     /// be associated with the default event loop&#39;s handle.
     </span><span class="kw">pub fn </span>pair() -&gt; io::Result&lt;(UnixStream, UnixStream)&gt; {
         <span class="kw">let </span>(a, b) = mio::net::UnixStream::pair()<span class="question-mark">?</span>;
         <span class="kw">let </span>a = UnixStream::new(a)<span class="question-mark">?</span>;
         <span class="kw">let </span>b = UnixStream::new(b)<span class="question-mark">?</span>;

         <span class="prelude-val">Ok</span>((a, b))
     }

     <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(stream: mio::net::UnixStream) -&gt; io::Result&lt;UnixStream&gt; {
         <span class="kw">let </span>io = PollEvented::new(stream)<span class="question-mark">?</span>;
         <span class="prelude-val">Ok</span>(UnixStream { io })
     }

     <span class="doccomment">/// Returns the socket address of the local half of this connection.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     ///
     /// # async fn dox() -&gt; Result&lt;(), Box&lt;dyn std::error::Error&gt;&gt; {
     /// let dir = tempfile::tempdir().unwrap();
     /// let bind_path = dir.path().join(&quot;bind_path&quot;);
     /// let stream = UnixStream::connect(bind_path).await?;
     ///
     /// println!(&quot;{:?}&quot;, stream.local_addr()?);
     /// # Ok(())
     /// # }
     /// ```
     </span><span class="kw">pub fn </span>local_addr(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; io::Result&lt;SocketAddr&gt; {
         <span class="self">self</span>.io.local_addr().map(SocketAddr)
     }

     <span class="doccomment">/// Returns the socket address of the remote half of this connection.
     ///
     /// # Examples
     ///
     /// ```no_run
     /// use tokio::net::UnixStream;
     ///
     /// # async fn dox() -&gt; Result&lt;(), Box&lt;dyn std::error::Error&gt;&gt; {
     /// let dir = tempfile::tempdir().unwrap();
     /// let bind_path = dir.path().join(&quot;bind_path&quot;);
     /// let stream = UnixStream::connect(bind_path).await?;
     ///
     /// println!(&quot;{:?}&quot;, stream.peer_addr()?);
     /// # Ok(())
     /// # }
     /// ```
     </span><span class="kw">pub fn </span>peer_addr(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; io::Result&lt;SocketAddr&gt; {
         <span class="self">self</span>.io.peer_addr().map(SocketAddr)
     }

     <span class="doccomment">/// Returns effective credentials of the process which called `connect` or `pair`.
     </span><span class="kw">pub fn </span>peer_cred(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; io::Result&lt;UCred&gt; {
         ucred::get_peer_cred(<span class="self">self</span>)
     }

     <span class="doccomment">/// Returns the value of the `SO_ERROR` option.
     </span><span class="kw">pub fn </span>take_error(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; io::Result&lt;<span class="prelude-ty">Option</span>&lt;io::Error&gt;&gt; {
         <span class="self">self</span>.io.take_error()
     }

     <span class="doccomment">/// Shuts down the read, write, or both halves of this connection.
     ///
     /// This function will cause all pending and future I/O calls on the
     /// specified portions to immediately return with an appropriate value
     /// (see the documentation of `Shutdown`).
     </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>shutdown_std(<span class="kw-2">&amp;</span><span class="self">self</span>, how: Shutdown) -&gt; io::Result&lt;()&gt; {
         <span class="self">self</span>.io.shutdown(how)
     }

     <span class="comment">// These lifetime markers also appear in the generated documentation, and make
     // it more clear that this is a *borrowed* split.
     </span><span class="attribute">#[allow(clippy::needless_lifetimes)]
     </span><span class="doccomment">/// Splits a `UnixStream` into a read half and a write half, which can be used
     /// to read and write the stream concurrently.
     ///
     /// This method is more efficient than [`into_split`], but the halves cannot be
     /// moved into independently spawned tasks.
     ///
     /// [`into_split`]: Self::into_split()
     </span><span class="kw">pub fn </span>split&lt;<span class="lifetime">&#39;a</span>&gt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span><span class="kw-2">mut </span><span class="self">self</span>) -&gt; (ReadHalf&lt;<span class="lifetime">&#39;a</span>&gt;, WriteHalf&lt;<span class="lifetime">&#39;a</span>&gt;) {
         split(<span class="self">self</span>)
     }

     <span class="doccomment">/// Splits a `UnixStream` into a read half and a write half, which can be used
     /// to read and write the stream concurrently.
     ///
     /// Unlike [`split`], the owned halves can be moved to separate tasks, however
     /// this comes at the cost of a heap allocation.
     ///
     /// **Note:** Dropping the write half will shut down the write half of the
     /// stream. This is equivalent to calling [`shutdown()`] on the `UnixStream`.
     ///
     /// [`split`]: Self::split()
     /// [`shutdown()`]: fn@crate::io::AsyncWriteExt::shutdown
     </span><span class="kw">pub fn </span>into_split(<span class="self">self</span>) -&gt; (OwnedReadHalf, OwnedWriteHalf) {
         split_owned(<span class="self">self</span>)
     }
 }

 <span class="kw">impl </span>TryFrom&lt;net::UnixStream&gt; <span class="kw">for </span>UnixStream {
     <span class="kw">type </span>Error = io::Error;

     <span class="doccomment">/// Consumes stream, returning the tokio I/O object.
     ///
     /// This is equivalent to
     /// [`UnixStream::from_std(stream)`](UnixStream::from_std).
     </span><span class="kw">fn </span>try_from(stream: net::UnixStream) -&gt; io::Result&lt;<span class="self">Self</span>&gt; {
         <span class="self">Self</span>::from_std(stream)
     }
 }

 <span class="kw">impl </span>AsyncRead <span class="kw">for </span>UnixStream {
     <span class="kw">fn </span>poll_read(
         <span class="self">self</span>: Pin&lt;<span class="kw-2">&amp;mut </span><span class="self">Self</span>&gt;,
         cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;,
         buf: <span class="kw-2">&amp;mut </span>ReadBuf&lt;<span class="lifetime">&#39;_</span>&gt;,
     ) -&gt; Poll&lt;io::Result&lt;()&gt;&gt; {
         <span class="self">self</span>.poll_read_priv(cx, buf)
     }
 }

 <span class="kw">impl </span>AsyncWrite <span class="kw">for </span>UnixStream {
     <span class="kw">fn </span>poll_write(
         <span class="self">self</span>: Pin&lt;<span class="kw-2">&amp;mut </span><span class="self">Self</span>&gt;,
         cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;,
         buf: <span class="kw-2">&amp;</span>[u8],
     ) -&gt; Poll&lt;io::Result&lt;usize&gt;&gt; {
         <span class="self">self</span>.poll_write_priv(cx, buf)
     }

     <span class="kw">fn </span>poll_write_vectored(
         <span class="self">self</span>: Pin&lt;<span class="kw-2">&amp;mut </span><span class="self">Self</span>&gt;,
         cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;,
         bufs: <span class="kw-2">&amp;</span>[io::IoSlice&lt;<span class="lifetime">&#39;_</span>&gt;],
     ) -&gt; Poll&lt;io::Result&lt;usize&gt;&gt; {
         <span class="self">self</span>.poll_write_vectored_priv(cx, bufs)
     }

     <span class="kw">fn </span>is_write_vectored(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
         <span class="bool-val">true
     </span>}

     <span class="kw">fn </span>poll_flush(<span class="self">self</span>: Pin&lt;<span class="kw-2">&amp;mut </span><span class="self">Self</span>&gt;, <span class="kw">_</span>: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; Poll&lt;io::Result&lt;()&gt;&gt; {
         Poll::Ready(<span class="prelude-val">Ok</span>(()))
     }

     <span class="kw">fn </span>poll_shutdown(<span class="self">self</span>: Pin&lt;<span class="kw-2">&amp;mut </span><span class="self">Self</span>&gt;, <span class="kw">_</span>: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; Poll&lt;io::Result&lt;()&gt;&gt; {
         <span class="self">self</span>.shutdown_std(std::net::Shutdown::Write)<span class="question-mark">?</span>;
         Poll::Ready(<span class="prelude-val">Ok</span>(()))
     }
 }

 <span class="kw">impl </span>UnixStream {
     <span class="comment">// == Poll IO functions that takes `&amp;self` ==
     //
     // To read or write without mutable access to the `UnixStream`, combine the
     // `poll_read_ready` or `poll_write_ready` methods with the `try_read` or
     // `try_write` methods.

     </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>poll_read_priv(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;,
         buf: <span class="kw-2">&amp;mut </span>ReadBuf&lt;<span class="lifetime">&#39;_</span>&gt;,
     ) -&gt; Poll&lt;io::Result&lt;()&gt;&gt; {
         <span class="comment">// Safety: `UnixStream::read` correctly handles reads into uninitialized memory
         </span><span class="kw">unsafe </span>{ <span class="self">self</span>.io.poll_read(cx, buf) }
     }

     <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>poll_write_priv(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;,
         buf: <span class="kw-2">&amp;</span>[u8],
     ) -&gt; Poll&lt;io::Result&lt;usize&gt;&gt; {
         <span class="self">self</span>.io.poll_write(cx, buf)
     }

     <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>poll_write_vectored_priv(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         cx: <span class="kw-2">&amp;mut </span>Context&lt;<span class="lifetime">&#39;_</span>&gt;,
         bufs: <span class="kw-2">&amp;</span>[io::IoSlice&lt;<span class="lifetime">&#39;_</span>&gt;],
     ) -&gt; Poll&lt;io::Result&lt;usize&gt;&gt; {
         <span class="self">self</span>.io.poll_write_vectored(cx, bufs)
     }
 }

 <span class="kw">impl </span>fmt::Debug <span class="kw">for </span>UnixStream {
     <span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, f: <span class="kw-2">&amp;mut </span>fmt::Formatter&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; fmt::Result {
         <span class="self">self</span>.io.fmt(f)
     }
 }

 <span class="kw">impl </span>AsRawFd <span class="kw">for </span>UnixStream {
     <span class="kw">fn </span>as_raw_fd(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; RawFd {
         <span class="self">self</span>.io.as_raw_fd()
     }
 }

 <span class="attribute">#[cfg(not(tokio_no_as_fd))]
 </span><span class="kw">impl </span>AsFd <span class="kw">for </span>UnixStream {
     <span class="kw">fn </span>as_fd(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; BorrowedFd&lt;<span class="lifetime">&#39;_</span>&gt; {
         <span class="kw">unsafe </span>{ BorrowedFd::borrow_raw(<span class="self">self</span>.as_raw_fd()) }
     }
 }
 </code></pre></div>
 </section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="tokio" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>