From 4f9bdf4e06465205dc13715b07b428a2cc4a87c2 Mon Sep 17 00:00:00 2001
From: Guantao Liu <guantaol@google.com>
Date: Fri, 9 Nov 2018 16:22:21 -0800
Subject: [PATCH] Enable SO_REUSEADDR in client sockets

---
 src/core/lib/iomgr/tcp_client_posix.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/lib/iomgr/tcp_client_posix.cc b/src/core/lib/iomgr/tcp_client_posix.cc
index 8553ed0db4e..0bff74e88b3 100644
--- a/src/core/lib/iomgr/tcp_client_posix.cc
+++ b/src/core/lib/iomgr/tcp_client_posix.cc
@@ -76,6 +76,8 @@ static grpc_error* prepare_socket(const grpc_resolved_address* addr, int fd,
   if (!grpc_is_unix_socket(addr)) {
     err = grpc_set_socket_low_latency(fd, 1);
     if (err != GRPC_ERROR_NONE) goto error;
+    err = grpc_set_socket_reuse_addr(fd, 1);
+    if (err != GRPC_ERROR_NONE) goto error;
     err = grpc_set_socket_tcp_user_timeout(fd, channel_args,
                                            true /* is_client */);
     if (err != GRPC_ERROR_NONE) goto error;