From b664ca0321f139ad33577066d52a1d4f5e868a28 Mon Sep 17 00:00:00 2001
From: liaogang <liaogang@baidu.com>
Date: Sat, 10 Sep 2016 15:36:13 +0800
Subject: [PATCH] auto-tuning SND/REV buff size on MAC OS

---
 paddle/pserver/LightNetwork.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/paddle/pserver/LightNetwork.cpp b/paddle/pserver/LightNetwork.cpp
index 5dc04ee6c2e..ff2875fc702 100644
--- a/paddle/pserver/LightNetwork.cpp
+++ b/paddle/pserver/LightNetwork.cpp
@@ -79,6 +79,7 @@ std::string getIpAddr(std::string &device) {
  * @note adjust some default sock option for better performance
  */
 void setOption(int sockfd) {
+#if !defined(__APPLE__) && !defined(__OSX__)
   int sendSize = FLAGS_sock_send_buf_size;
   int recvSize = FLAGS_sock_recv_buf_size;
   CHECK_GE(
@@ -87,6 +88,8 @@ void setOption(int sockfd) {
   CHECK_GE(
       setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, &sendSize, sizeof(sendSize)),
       0);
+#endif
+
   if (FLAGS_small_messages) {
     int optval = 1;
     CHECK_GE(
-- 
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