From 5d9dae24c5efcdbc922111612cbd91a9ff114d0e Mon Sep 17 00:00:00 2001
From: Pavel Roskin <plroskin@gmail.com>
Date: Sat, 30 Jan 2016 12:42:40 -0800
Subject: [PATCH] xrdpapi: fix MacOS compilation - use SO_NOSIGPIPE instead of
 MSG_NOSIGNAL

---
 xrdpapi/xrdpapi.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/xrdpapi/xrdpapi.c b/xrdpapi/xrdpapi.c
index cd343e75..974a094c 100644
--- a/xrdpapi/xrdpapi.c
+++ b/xrdpapi/xrdpapi.c
@@ -162,6 +162,14 @@ WTSVirtualChannelOpenEx(unsigned int SessionId, const char *pVirtualName,
     return wts;
 }
 
+/*
+ * Prevent receiving SIGPIPE on disconnect using either MSG_NOSIGNAL (Linux)
+ * or SO_NOSIGPIPE (Mac OS X)
+ */
+#if !defined(MSG_NOSIGNAL)
+#define MSG_NOSIGNAL 0
+#endif
+
 /*****************************************************************************/
 static int
 mysend(int sck, const void* adata, int bytes)
@@ -170,6 +178,11 @@ mysend(int sck, const void* adata, int bytes)
     int error;
     const char* data;
 
+#if defined(SO_NOSIGPIPE)
+    const int on = 1;
+    setsockopt(sck, SOL_SOCKET, SO_NOSIGPIPE, &on, sizeof(on));
+#endif
+
     data = (const char*)adata;
     sent = 0;
     while (sent < bytes)