From 96370ba4ce9ea5564f094354579d5539af8bbc9d Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Fri, 31 Dec 2021 19:25:50 +0900
Subject: [PATCH] net: add `TcpSocket::take_error` (#4364)

---
 tokio/src/net/tcp/socket.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tokio/src/net/tcp/socket.rs b/tokio/src/net/tcp/socket.rs
index fc240e052..84c255b9b 100644
--- a/tokio/src/net/tcp/socket.rs
+++ b/tokio/src/net/tcp/socket.rs
@@ -409,6 +409,11 @@ impl TcpSocket {
             .map(|addr| addr.as_socket().unwrap())
     }
 
+    /// Returns the value of the `SO_ERROR` option.
+    pub fn take_error(&self) -> io::Result<Option<io::Error>> {
+        self.inner.take_error()
+    }
+
     /// Binds the socket to the given address.
     ///
     /// This calls the `bind(2)` operating-system function. Behavior is