diff --git a/groupsock/GroupsockHelper.cpp b/groupsock/GroupsockHelper.cpp
index 1ddf91f..2007e3e 100644
--- a/groupsock/GroupsockHelper.cpp
+++ b/groupsock/GroupsockHelper.cpp
@@ -44,6 +44,10 @@ extern "C" int initializeWinsockIfNecessary();
 #endif
 #include <stdio.h>
 
+#ifndef MSG_NOSIGNAL
+# define MSG_NOSIGNAL 0
+#endif
+
 // By default, use INADDR_ANY for the sending and receiving interfaces:
 netAddressBits SendingInterfaceAddr = INADDR_ANY;
 netAddressBits ReceivingInterfaceAddr = INADDR_ANY;
@@ -399,7 +403,7 @@ Boolean writeSocket(UsageEnvironment& env,
 		    unsigned char* buffer, unsigned bufferSize) {
   do {
     MAKE_SOCKADDR_IN(dest, address.s_addr, portNum);
-    int bytesSent = sendto(socket, (char*)buffer, bufferSize, 0,
+    int bytesSent = sendto(socket, (char*)buffer, bufferSize, MSG_NOSIGNAL,
 			   (struct sockaddr*)&dest, sizeof dest);
     if (bytesSent != (int)bufferSize) {
       char tmpBuf[100];
diff --git a/liveMedia/RTPInterface.cpp b/liveMedia/RTPInterface.cpp
index 78b37d4..b042368 100644
--- a/liveMedia/RTPInterface.cpp
+++ b/liveMedia/RTPInterface.cpp
@@ -24,6 +24,10 @@ along with this library; if not, write to the Free Software Foundation, Inc.,
 #include <GroupsockHelper.hh>
 #include <stdio.h>
 
+#ifndef MSG_NOSIGNAL
+# define MSG_NOSIGNAL 0
+#endif
+
 ////////// Helper Functions - Definition //////////
 
 // Helper routines and data structures, used to implement
@@ -363,7 +367,7 @@ Boolean RTPInterface::sendRTPorRTCPPacketOverTCP(u_int8_t* packet, unsigned pack
 #endif
 
 Boolean RTPInterface::sendDataOverTCP(int socketNum, u_int8_t const* data, unsigned dataSize, Boolean forceSendToSucceed) {
-  int sendResult = send(socketNum, (char const*)data, dataSize, 0/*flags*/);
+  int sendResult = send(socketNum, (char const*)data, dataSize, MSG_NOSIGNAL/*flags*/);
   if (sendResult < (int)dataSize) {
     // The TCP send() failed - at least partially.
 
@@ -377,7 +381,7 @@ Boolean RTPInterface::sendDataOverTCP(int socketNum, u_int8_t const* data, unsig
       fprintf(stderr, "sendDataOverTCP: resending %d-byte send (blocking)\n", numBytesRemainingToSend); fflush(stderr);
 #endif
       makeSocketBlocking(socketNum, RTPINTERFACE_BLOCKING_WRITE_TIMEOUT_MS);
-      sendResult = send(socketNum, (char const*)(&data[numBytesSentSoFar]), numBytesRemainingToSend, 0/*flags*/);
+      sendResult = send(socketNum, (char const*)(&data[numBytesSentSoFar]), numBytesRemainingToSend, MSG_NOSIGNAL/*flags*/);
       if ((unsigned)sendResult != numBytesRemainingToSend) {
 	// The blocking "send()" failed, or timed out.  In either case, we assume that the
 	// TCP connection has failed (or is 'hanging' indefinitely), and we stop using it
diff --git a/liveMedia/RTSPClient.cpp b/liveMedia/RTSPClient.cpp
index f47acb5..c3529a7 100644
--- a/liveMedia/RTSPClient.cpp
+++ b/liveMedia/RTSPClient.cpp
@@ -25,6 +25,10 @@ along with this library; if not, write to the Free Software Foundation, Inc.,
 #include <GroupsockHelper.hh>
 #include "ourMD5.hh"
 
+#ifndef MSG_NOSIGNAL
+# define MSG_NOSIGNAL 0
+#endif
+
 RTSPClient* RTSPClient::createNew(UsageEnvironment& env, char const* rtspURL,
 				  int verbosityLevel,
 				  char const* applicationName,
@@ -1969,7 +1973,7 @@ int RTSPClient::write(const char* data, unsigned count) {
       if (fTLS.isNeeded) {
 	return fTLS.write(data, count);
       } else {
-	return send(fOutputSocketNum, data, count, 0);
+	return send(fOutputSocketNum, data, count, MSG_NOSIGNAL);
       }
 }
 
diff --git a/liveMedia/RTSPServer.cpp b/liveMedia/RTSPServer.cpp
index a6b1ca4..4884c86 100644
--- a/liveMedia/RTSPServer.cpp
+++ b/liveMedia/RTSPServer.cpp
@@ -24,6 +24,10 @@ along with this library; if not, write to the Free Software Foundation, Inc.,
 #include "Base64.hh"
 #include <GroupsockHelper.hh>
 
+#ifndef MSG_NOSIGNAL
+# define MSG_NOSIGNAL 0
+#endif
+
 ////////// RTSPServer implementation //////////
 
 RTSPServer*
@@ -882,7 +886,7 @@ void RTSPServer::RTSPClientConnection::handleRequestBytes(int newBytesRead) {
 #ifdef DEBUG
     fprintf(stderr, "sending response: %s", fResponseBuffer);
 #endif
-    send(fClientOutputSocket, (char const*)fResponseBuffer, strlen((char*)fResponseBuffer), 0);
+    send(fClientOutputSocket, (char const*)fResponseBuffer, strlen((char*)fResponseBuffer), MSG_NOSIGNAL);
     
     if (playAfterSetup) {
       // The client has asked for streaming to commence now, rather than after a