File 0717-Fix-missing-reuseport-reuseport_lb-support-in-socket.patch of Package erlang

From 2117f439311cdc4616e1afa645b89b3e0d5ad6a3 Mon Sep 17 00:00:00 2001
From: Takeru Ohta <phjgt308@gmail.com>
Date: Tue, 6 Jan 2026 15:55:03 +0900
Subject: [PATCH 1/2] Fix missing reuseport/reuseport_lb support in socket inet
 backend

---
 lib/kernel/src/gen_tcp_socket.erl | 2 ++
 lib/kernel/src/gen_udp_socket.erl | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/lib/kernel/src/gen_tcp_socket.erl b/lib/kernel/src/gen_tcp_socket.erl
index 9bd03c9d6b..81ddabcaa8 100644
--- a/lib/kernel/src/gen_tcp_socket.erl
+++ b/lib/kernel/src/gen_tcp_socket.erl
@@ -1280,6 +1280,8 @@ socket_opts() ->
           priority         => {socket, priority},
           recbuf           => {socket, rcvbuf},
           reuseaddr        => {socket, reuseaddr},
+          reuseport        => {socket, reuseport},
+          reuseport_lb     => {socket, reuseport_lb},
           sndbuf           => {socket, sndbuf},
 
           %%
diff --git a/lib/kernel/src/gen_udp_socket.erl b/lib/kernel/src/gen_udp_socket.erl
index 383568f384..0829bba272 100644
--- a/lib/kernel/src/gen_udp_socket.erl
+++ b/lib/kernel/src/gen_udp_socket.erl
@@ -1055,6 +1055,8 @@ opt_categories(Tag) when is_atom(Tag) ->
         %% open_opts is for the 'Opts' argument of the socket:open call
         debug       -> #{socket => [], start    => [], open_opts => []};
         ipv6_v6only -> #{socket => [], pre_bind => []};
+        reuseport   -> #{socket => [], pre_bind => []};
+        reuseport_lb-> #{socket => [], pre_bind => []};
 
         %% Some options may trigger us to choose recvmsg (instead of recvfrom)
         %% Or trigger us to choose recvfrom *if* was previously selected
@@ -1137,6 +1139,8 @@ socket_opt() ->
       %% The second can be seen as a side effect...
       recbuf           => [{socket, rcvbuf}, {otp, rcvbuf}],
       reuseaddr        => {socket, reuseaddr},
+      reuseport        => {socket, reuseport},
+      reuseport_lb     => {socket, reuseport_lb},
       sndbuf           => {socket, sndbuf},
 
       %%
-- 
2.51.0