From a431bce90f897f6d58b7c231d3973bcf6d5d4616 Mon Sep 17 00:00:00 2001
From: fakeshadow <24548779@qq.com>
Date: Fri, 22 Jan 2021 15:20:56 -0800
Subject: [PATCH] expose create_tcp_listener function. do not enable reuse_addr
 on windows

---
 actix-server/src/builder.rs | 9 +++++++--
 actix-server/src/lib.rs     | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/actix-server/src/builder.rs b/actix-server/src/builder.rs
index 13c164f1..f10d8c9f 100644
--- a/actix-server/src/builder.rs
+++ b/actix-server/src/builder.rs
@@ -472,13 +472,18 @@ pub(super) fn bind_addr<S: ToSocketAddrs>(
     }
 }
 
-fn create_tcp_listener(addr: StdSocketAddr, backlog: u32) -> io::Result<MioTcpListener> {
+pub fn create_tcp_listener(addr: StdSocketAddr, backlog: u32) -> io::Result<MioTcpListener> {
     let socket = match addr {
         StdSocketAddr::V4(_) => MioTcpSocket::new_v4()?,
         StdSocketAddr::V6(_) => MioTcpSocket::new_v6()?,
     };
 
-    socket.set_reuseaddr(true)?;
+    // https://github.com/actix/actix-web/issues/1913
+    #[cfg(not(windows))]
+    {
+        socket.set_reuseaddr(true)?;
+    }
+
     socket.bind(addr)?;
     socket.listen(backlog)
 }
diff --git a/actix-server/src/lib.rs b/actix-server/src/lib.rs
index 24129b5a..46962d05 100644
--- a/actix-server/src/lib.rs
+++ b/actix-server/src/lib.rs
@@ -15,7 +15,7 @@ mod test_server;
 mod waker_queue;
 mod worker;
 
-pub use self::builder::ServerBuilder;
+pub use self::builder::{create_tcp_listener, ServerBuilder};
 pub use self::config::{ServiceConfig, ServiceRuntime};
 pub use self::server::Server;
 pub use self::service::ServiceFactory;