Make tabs hang less

src/engine/main.cpp

Index: src/engine/main.cpp
===================================================================
--- a/src/engine/main.cpp
+++ b/src/engine/main.cpp
@@ -207,14 +207,6 @@
     return 1;
   }
 
-  int argc;
-  LPWSTR* argv = CommandLineToArgvW(GetCommandLineW(), &argc);
-  std::wstring locale(argc >= 2 ? argv[1] : L"");
-  LocalFree(argv);
-
-  Dictionary::Create(locale);
-  filterEngine = CreateFilterEngine(locale);
-
   for (;;)
   {
     try
@@ -222,6 +214,16 @@
       Communication::Pipe* pipe = new Communication::Pipe(Communication::pipeName,
             Communication::Pipe::MODE_CREATE);
 
+      if (!filterEngine.get())
+      {
+        int argc;
+        LPWSTR* argv = CommandLineToArgvW(GetCommandLineW(), &argc);
+        std::wstring locale(argc >= 2 ? argv[1] : L"");
+        LocalFree(argv);
+        Dictionary::Create(locale);
+        filterEngine = CreateFilterEngine(locale);
+      }
+
       // TODO: Count established connections, kill the engine when none are left
       AutoHandle thread(CreateThread(0, 0, ClientThread, static_cast<LPVOID>(pipe), 0, 0));
       if (!thread)