corrected assert in wxSocket::Initialize()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28482 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/socket.cpp

@@ -122,14 +122,6 @@ bool wxSocketBase::Initialize()
 {
     if ( !m_countInit++ )
     {
-#ifdef __WXMSW__
-        /*
-            The following asserting might be neccessary for linux as well,
-            but I cannot verify this.
-        */
-        wxASSERT(wxThread::IsMain(), 
-            wxT("To use sockets in a secondary thread, ")
-            wxT("call wxSocketBase::Initialize() from the main thread."));
         /*
             Details: Initialize() creates a hidden window as a sink for socket
             events, such as 'read completed'. wxMSW has only one message loop
@@ -141,7 +133,9 @@ bool wxSocketBase::Initialize()
             on a semaphore (a bad idea in any case) or socket operations
             will time out.
         */
-#endif
+        wxASSERT_MSG( wxThread::IsMain(),
+            wxT("Call wxSocketBase::Initialize() from the main thread first!"));
+
         wxAppTraits *traits = wxAppConsole::GetInstance() ?
                               wxAppConsole::GetInstance()->GetTraits() : NULL;
         GSocketGUIFunctionsTable *functions =