commit d745a6f682a9aaab0f20fc4ba8bfc17920e0604b
author Yuchen Zeng <zyc@google.com> Mon Aug 08 20:44:36 2016 -0700
committer Yuchen Zeng <zyc@google.com> Mon Aug 08 20:44:36 2016 -0700
tree 90ddbf33fd112ef4f1ad4166b92739400b101e52
parent 50be893eba595a8cf270da3e59edd87128b854c9

Disable SO_REUSEPORT for UNIX socket

src/core/lib/iomgr/tcp_server_posix.c

diff --git a/src/core/lib/iomgr/tcp_server_posix.c b/src/core/lib/iomgr/tcp_server_posix.c
index 38ebd2d..475bb60 100644
--- a/src/core/lib/iomgr/tcp_server_posix.c
+++ b/src/core/lib/iomgr/tcp_server_posix.c
@@ -685,7 +685,8 @@
   s->pollset_count = pollset_count;
   sp = s->head;
   while (sp != NULL) {
-    if (s->so_reuseport && pollset_count > 1) {
+    if (s->so_reuseport && !grpc_is_unix_socket(&sp->addr.sockaddr) &&
+        pollset_count > 1) {
       GPR_ASSERT(GRPC_LOG_IF_ERROR(
           "clone_port", clone_port(sp, (unsigned)(pollset_count - 1))));
       for (i = 0; i < pollset_count; i++) {