MingW compilation (windows). Includes various refactoring to improve portability.

llvm-svn: 189107
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
index 3a14e9f..050ed00 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
@@ -668,6 +668,10 @@
 bool
 GDBRemoteCommunicationServer::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
 {
+#ifdef _WIN32
+    // No unix sockets on windows
+    return false;
+#else
     // Spawn a local debugserver as a platform so we can then attach or launch
     // a process...
 
@@ -731,6 +735,7 @@
         }
     }
     return SendErrorResponse (13);
+#endif
 }
 
 bool