Auto merge of #143157 - matthiaskrgr:rollup-90rtm3a, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang/rust#123476 (std::net: adding `unix_socket_exclbind` feature for solaris/illumos.)
 - rust-lang/rust#142708 (Do not include NUL-terminator in computed length)
 - rust-lang/rust#142963 (Skip unnecessary components in x64 try builds)
 - rust-lang/rust#142987 (rustdoc: show attributes on enum variants)
 - rust-lang/rust#143031 (Add windows-gnullvm hosts to the manifest)
 - rust-lang/rust#143082 (update internal `send_signal` comment)
 - rust-lang/rust#143110 (Use tidy to sort `sym::*` items)
 - rust-lang/rust#143111 (BTreeSet: remove duplicated code by reusing `from_sorted_iter`)
 - rust-lang/rust#143114 (Minor Documentation Improvements)

r? `@ghost`
`@rustbot` modify labels: rollup

try-job: dist-i586-gnu-i586-i686-musl

1 files changed, 50 insertions, 0 deletions

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)
+    }
+}