From a07f2498031d5f4c53ddc03d61a8a41a6b77baca Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@atdot.net>
Date: Fri, 18 Dec 2020 11:23:16 +0900
Subject: [PATCH] socket is ractor-safe.

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

diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index 189e5c2784..3d8c65032c 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -1894,6 +1894,8 @@ socket_s_ip_address_list(VALUE self)
 void
 Init_socket(void)
 {
+    rb_ext_ractor_safe(true);
+
     rsock_init_basicsocket();
 
     /*