4 files changed, 102 insertions, 0 deletions
diff --git a/library/std/src/os/illumos/mod.rs b/library/std/src/os/illumos/mod.rs
index e61926f8935..5fbe352e7cf 100644
--- a/library/std/src/os/illumos/mod.rs
+++ b/library/std/src/os/illumos/mod.rs
@@ -3,4 +3,5 @@
 #![stable(feature = "raw_ext", since = "1.1.0")]
 
 pub mod fs;
+pub mod net;
 pub mod raw;
diff --git a/library/std/src/os/illumos/net.rs b/library/std/src/os/illumos/net.rs
new file mode 100644
index 00000000000..5ef4e1ec89e
--- /dev/null
+++ b/library/std/src/os/illumos/net.rs
@@ -0,0 +1,50 @@
+//! illumos-specific networking functionality.
+
+#![unstable(feature = "unix_socket_exclbind", issue = "123481")]
+
+use crate::io;
+use crate::os::unix::net;
+use crate::sealed::Sealed;
+use crate::sys_common::AsInner;
+
+/// illumos-specific functionality for `AF_UNIX` sockets [`UnixDatagram`]
+/// and [`UnixStream`].
+///
+/// [`UnixDatagram`]: net::UnixDatagram
+/// [`UnixStream`]: net::UnixStream
+#[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+pub trait UnixSocketExt: Sealed {
+    /// Enables exclusive binding on the socket.
+    ///
+    /// If true and if the socket had been set with `SO_REUSEADDR`,
+    /// it neutralises its effect.
+    /// See [`man 3 tcp`](https://docs.oracle.com/cd/E88353_01/html/E37843/setsockopt-3c.html)
+    #[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+    fn so_exclbind(&self, excl: bool) -> io::Result<()>;
+
+    /// Get the bind exclusivity bind state of the socket.
+    #[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+    fn exclbind(&self) -> io::Result<bool>;
+}
+
+#[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+impl UnixSocketExt for net::UnixDatagram {
+    fn exclbind(&self) -> io::Result<bool> {
+        self.as_inner().exclbind()
+    }
+
+    fn so_exclbind(&self, excl: bool) -> io::Result<()> {
+        self.as_inner().set_exclbind(excl)
+    }
+}
+
+#[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+impl UnixSocketExt for net::UnixStream {
+    fn exclbind(&self) -> io::Result<bool> {
+        self.as_inner().exclbind()
+    }
+
+    fn so_exclbind(&self, excl: bool) -> io::Result<()> {
+        self.as_inner().set_exclbind(excl)
+    }
+}
diff --git a/library/std/src/os/solaris/mod.rs b/library/std/src/os/solaris/mod.rs
index e4cfd53291a..b4e83620849 100644
--- a/library/std/src/os/solaris/mod.rs
+++ b/library/std/src/os/solaris/mod.rs
@@ -3,4 +3,5 @@
 #![stable(feature = "raw_ext", since = "1.1.0")]
 
 pub mod fs;
+pub mod net;
 pub mod raw;
diff --git a/library/std/src/os/solaris/net.rs b/library/std/src/os/solaris/net.rs
new file mode 100644
index 00000000000..ca841f15b0e
--- /dev/null
+++ b/library/std/src/os/solaris/net.rs
@@ -0,0 +1,50 @@
+//! solaris-specific networking functionality.
+
+#![unstable(feature = "unix_socket_exclbind", issue = "123481")]
+
+use crate::io;
+use crate::os::unix::net;
+use crate::sealed::Sealed;
+use crate::sys_common::AsInner;
+
+/// solaris-specific functionality for `AF_UNIX` sockets [`UnixDatagram`]
+/// and [`UnixStream`].
+///
+/// [`UnixDatagram`]: net::UnixDatagram
+/// [`UnixStream`]: net::UnixStream
+#[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+pub trait UnixSocketExt: Sealed {
+    /// Enables exclusive binding on the socket.
+    ///
+    /// If true and if the socket had been set with `SO_REUSEADDR`,
+    /// it neutralises its effect.
+    /// See [`man 3 tcp`](https://docs.oracle.com/cd/E88353_01/html/E37843/setsockopt-3c.html)
+    #[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+    fn so_exclbind(&self, excl: bool) -> io::Result<()>;
+
+    /// Get the bind exclusivity bind state of the socket.
+    #[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+    fn exclbind(&self) -> io::Result<bool>;
+}
+
+#[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+impl UnixSocketExt for net::UnixDatagram {
+    fn exclbind(&self) -> io::Result<bool> {
+        self.as_inner().exclbind()
+    }
+
+    fn so_exclbind(&self, excl: bool) -> io::Result<()> {
+        self.as_inner().set_exclbind(excl)
+    }
+}
+
+#[unstable(feature = "unix_socket_exclbind", issue = "123481")]
+impl UnixSocketExt for net::UnixStream {
+    fn exclbind(&self) -> io::Result<bool> {
+        self.as_inner().exclbind()
+    }
+
+    fn so_exclbind(&self, excl: bool) -> io::Result<()> {
+        self.as_inner().set_exclbind(excl)
+    }
+}