From 343114c3a17da630b3821ec31b9081af82ac13f1 Mon Sep 17 00:00:00 2001
From: klzgrad <kizdiv@gmail.com>
Date: Sun, 10 Mar 2024 10:30:35 +0800
Subject: [PATCH] net/socket: Use SO_REUSEPORT for server sockets

---
 src/net/socket/tcp_socket_posix.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/net/socket/tcp_socket_posix.cc b/src/net/socket/tcp_socket_posix.cc
index 5c2497770b..b7758c29b4 100644
--- a/src/net/socket/tcp_socket_posix.cc
+++ b/src/net/socket/tcp_socket_posix.cc
@@ -387,6 +387,17 @@ int TCPSocketPosix::GetPeerAddress(IPEndPoint* address) const {
 
 int TCPSocketPosix::SetDefaultOptionsForServer() {
   DCHECK(socket_);
+
+#if BUILDFLAG(IS_LINUX)
+  int reuseport = 1;
+  int rv =
+      setsockopt(socket_->socket_fd(), SOL_SOCKET, SO_REUSEPORT,
+                 reinterpret_cast<const char*>(&reuseport), sizeof(reuseport));
+  if (rv < 0) {
+    return MapSystemError(errno);
+  }
+#endif
+
   return AllowAddressReuse();
 }