Resolves: tdf#46440 SIGSEGV on toolkit bootstrap without running instance

Change-Id: I9a78a75b3d72586b1702ed6fa63bb0b62ce6cd72
(cherry picked from commit 3f695473)

toolkit/source/awt/vclxtoolkit.cxx

@@ -44,6 +44,7 @@
 #include <com/sun/star/awt/XToolkitExperimental.hpp>
 #include <com/sun/star/awt/XMessageBoxFactory.hpp>
 
+#include <cppuhelper/bootstrap.hxx>
 #include <cppuhelper/compbase2.hxx>
 #include <cppuhelper/interfacecontainer.hxx>
 #include <cppuhelper/supportsservice.hxx>
@@ -595,6 +596,25 @@ static void SAL_CALL ToolkitWorkerFunction( void* pArgs )
 {
     osl_setThreadName("VCLXToolkit VCL main thread");
 
+    css::uno::Reference<css::lang::XMultiServiceFactory> xServiceManager;
+    try
+    {
+        xServiceManager = ::comphelper::getProcessServiceFactory();
+    }
+    catch (const css::uno::DeploymentException&)
+    {
+    }
+    if (!xServiceManager.is())
+    {
+        css::uno::Reference<css::uno::XComponentContext> xContext =
+            ::cppu::defaultBootstrap_InitialComponentContext();
+
+        xServiceManager = css::uno::Reference<css::lang::XMultiServiceFactory>(
+            xContext->getServiceManager(), css::uno::UNO_QUERY_THROW );
+        // set global process service factory used by unotools config helpers
+        ::comphelper::setProcessServiceFactory( xServiceManager );
+    }
+
     VCLXToolkit * pTk = static_cast<VCLXToolkit *>(pArgs);
     bInitedByVCLToolkit = InitVCL();
     if( bInitedByVCLToolkit )

vcl/source/app/svapp.cxx

@@ -418,7 +418,8 @@ void Application::AcquireSolarMutex( sal_uLong nCount )
 
 bool Application::IsInMain()
 {
-    return ImplGetSVData()->maAppData.mbInAppMain;
+    ImplSVData* pSVData = ImplGetSVData();
+    return pSVData ? pSVData->maAppData.mbInAppMain : false;
 }
 
 bool Application::IsInExecute()