1 files changed, 23 insertions, 0 deletions
diff --git a/library/std/src/os/wasi/net/mod.rs b/library/std/src/os/wasi/net/mod.rs
new file mode 100644
index 000000000..73c097d4a
--- /dev/null
+++ b/library/std/src/os/wasi/net/mod.rs
@@ -0,0 +1,23 @@
+//! WASI-specific networking functionality
+
+#![unstable(feature = "wasi_ext", issue = "71213")]
+
+use crate::io;
+use crate::net;
+use crate::sys_common::AsInner;
+
+/// WASI-specific extensions to [`std::net::TcpListener`].
+///
+/// [`std::net::TcpListener`]: crate::net::TcpListener
+pub trait TcpListenerExt {
+    /// Accept a socket.
+    ///
+    /// This corresponds to the `sock_accept` syscall.
+    fn sock_accept(&self, flags: u16) -> io::Result<u32>;
+}
+
+impl TcpListenerExt for net::TcpListener {
+    fn sock_accept(&self, flags: u16) -> io::Result<u32> {
+        self.as_inner().as_inner().as_inner().sock_accept(flags)
+    }
+}