From f77fd1eca9b09d842981a650151d36b75f0a8cf0 Mon Sep 17 00:00:00 2001
From: Peter Johnson <johnson.peter@gmail.com>
Date: Sat, 11 Nov 2017 16:27:33 -0800
Subject: [PATCH] Set SO_EXCLUSIVEADDRUSE for server sockets on Windows. (#44)

On Windows, the shutdown() call relies on exclusively owning the server
socket.
---
 src/main/native/cpp/tcpsockets/TCPAcceptor.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/native/cpp/tcpsockets/TCPAcceptor.cpp b/src/main/native/cpp/tcpsockets/TCPAcceptor.cpp
index db5d608722..64b6554eb7 100644
--- a/src/main/native/cpp/tcpsockets/TCPAcceptor.cpp
+++ b/src/main/native/cpp/tcpsockets/TCPAcceptor.cpp
@@ -99,8 +99,13 @@ int TCPAcceptor::start() {
   }
   address.sin_port = htons(m_port);
 
+#ifdef _WIN32
+  int optval = 1;
+  setsockopt(m_lsd, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, (char*)&optval, sizeof optval);
+#else
   int optval = 1;
   setsockopt(m_lsd, SOL_SOCKET, SO_REUSEADDR, (char*)&optval, sizeof optval);
+#endif
 
   int result = bind(m_lsd, (struct sockaddr*)&address, sizeof(address));
   if (result != 0) {