From 1155e806d942cda6505d6f7777d48764e1069046 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Thu, 8 Dec 2022 14:01:12 +1300
Subject: [PATCH] Add Windows support to `rsock_make_fd_nonblock`.

---
 ext/socket/init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ext/socket/init.c b/ext/socket/init.c
index 0e312b540e..38222b66be 100644
--- a/ext/socket/init.c
+++ b/ext/socket/init.c
@@ -12,6 +12,7 @@
 
 #ifdef _WIN32
 VALUE rb_w32_conv_from_wchar(const WCHAR *wstr, rb_encoding *enc);
+#include <ruby/win32.h>
 #endif
 
 VALUE rb_cBasicSocket;
@@ -610,7 +611,7 @@ void
 rsock_make_fd_nonblock(int fd)
 {
 #ifdef _WIN32
-    return;
+    rb_w32_set_nonblock(fd);
 #endif
 
     int flags;