1 files changed, 35 insertions, 0 deletions
diff --git a/src/network/socket/qnativesocketengine_p.h b/src/network/socket/qnativesocketengine_p.h
index fb36ce6204..29063b3a85 100644
--- a/src/network/socket/qnativesocketengine_p.h
+++ b/src/network/socket/qnativesocketengine_p.h
@@ -51,6 +51,7 @@
 #  include <netinet/in.h>
 #else
 #  include <winsock2.h>
+#  include <mswsock.h>
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -70,6 +71,36 @@ struct qt_sockaddr_storage {
 #ifdef Q_OS_WIN
 #define QT_SOCKLEN_T int
 #define QT_SOCKOPTLEN_T int
+
+// The following definitions are copied from the MinGW header mswsock.h which
+// was placed in the public domain. The WSASendMsg and WSARecvMsg functions
+// were introduced with Windows Vista, so some Win32 headers are lacking them.
+// There are no known versions of Windows CE or Embedded that contain them.
+#ifndef Q_OS_WINCE
+#  ifndef WSAID_WSARECVMSG
+typedef INT (WINAPI *LPFN_WSARECVMSG)(SOCKET s, LPWSAMSG lpMsg,
+                                      LPDWORD lpdwNumberOfBytesRecvd,
+                                      LPWSAOVERLAPPED lpOverlapped,
+                                      LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);
+#    define WSAID_WSARECVMSG {0xf689d7c8,0x6f1f,0x436b,{0x8a,0x53,0xe5,0x4f,0xe3,0x51,0xc3,0x22}}
+#  endif
+#  ifndef WSAID_WSASENDMSG
+typedef struct {
+  LPWSAMSG lpMsg;
+  DWORD dwFlags;
+  LPDWORD lpNumberOfBytesSent;
+  LPWSAOVERLAPPED lpOverlapped;
+  LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine;
+} WSASENDMSG, *LPWSASENDMSG;
+
+typedef INT (WSAAPI *LPFN_WSASENDMSG)(SOCKET s, LPWSAMSG lpMsg, DWORD dwFlags,
+                                      LPDWORD lpNumberOfBytesSent,
+                                      LPWSAOVERLAPPED lpOverlapped,
+                                      LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);
+
+#    define WSAID_WSASENDMSG {0xa441e712,0x754f,0x43ca,{0x84,0xa7,0x0d,0xee,0x44,0xcf,0x60,0x6d}}
+#  endif
+#endif
 #endif
 
 // sockaddr_in6 size changed between old and new SDK
@@ -185,6 +216,10 @@ public:
 
     QSocketNotifier *readNotifier, *writeNotifier, *exceptNotifier;
 
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+    LPFN_WSASENDMSG sendmsg;
+    LPFN_WSARECVMSG recvmsg;
+#  endif
     enum ErrorString {
         NonBlockingInitFailedErrorString,
         BroadcastingInitFailedErrorString,