Add abstract namespace support for Unix domain sockets

1 files changed, 31 insertions, 0 deletions

diff --git a/library/std/src/os/unix/net/stream.rs b/library/std/src/os/unix/net/stream.rs
index 4119de3c03c..00a713f0732 100644
--- a/library/std/src/os/unix/net/stream.rs
+++ b/library/std/src/os/unix/net/stream.rs
@@ -106,6 +106,37 @@ impl UnixStream {
         }
     }
 
+    /// Connects to the socket specified by [`address`].
+    ///
+    /// [`address`]: crate::os::unix::net::SocketAddr
+    ///
+    /// # Examples
+    ///
+    /// ```no_run
+    /// #![feature(unix_socket_abstract)]
+    /// use std::os::unix::net::{UnixStream, SocketAddr};
+    ///
+    /// fn main() -> std::io::Result<()> {
+    ///     let addr = SocketAddr::from_abstract_namespace(b"hidden")?; // Linux only
+    ///     match UnixStream::connect_addr(&addr) {
+    ///         Ok(sock) => sock,
+    ///         Err(e) => {
+    ///             println!("Couldn't connect: {:?}", e);
+    ///             return Err(e)
+    ///         }
+    ///     };
+    ///     Ok(())
+    /// }
+    /// ````
+    #[unstable(feature = "unix_socket_abstract", issue = "42048")]
+    pub fn connect_addr(socket_addr: &SocketAddr) -> io::Result<UnixStream> {
+        unsafe {
+            let inner = Socket::new_raw(libc::AF_UNIX, libc::SOCK_STREAM)?;
+            cvt(libc::connect(*inner.as_inner(), &socket_addr.addr as *const _ as *const _, socket_addr.len))?;
+            Ok(UnixStream(inner))
+        }
+    }
+
     /// Creates an unnamed pair of connected sockets.
     ///
     /// Returns two `UnixStream`s which are connected to each other.