rtl::Static -> thread-safe static local

Change-Id: If5b7181fb1bb3f3f21ec3742680e5a3e12b21b73
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120431
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

20 files changed, 136 insertions, 294 deletions

diff --git a/desktop/source/deployment/misc/dp_resource.cxx b/desktop/source/deployment/misc/dp_resource.cxx
index 9e0184291ee0..028f03ae92db 100644
--- a/desktop/source/deployment/misc/dp_resource.cxx
+++ b/desktop/source/deployment/misc/dp_resource.cxx
@@ -26,24 +26,17 @@ using namespace ::com::sun::star::uno;
 
 namespace dp_misc
 {
-namespace
+const LanguageTag& getOfficeLanguageTag()
 {
-struct OfficeLocale : public rtl::StaticWithInit<LanguageTag, OfficeLocale>
-{
-    LanguageTag operator()()
-    {
+    static const LanguageTag OFFICE_LANG = [&]() {
         OUString slang(utl::ConfigManager::getUILocale());
         //fallback, the locale is currently only set when the user starts the
         //office for the first time.
         if (slang.isEmpty())
             slang = "en-US";
         return LanguageTag(slang);
-    }
-};
-
-} // anon namespace
-
-const LanguageTag& getOfficeLanguageTag() { return OfficeLocale::get(); }
+    }();
+    return OFFICE_LANG;
+}
 }
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/desktop/source/pkgchk/unopkg/unopkg_misc.cxx b/desktop/source/pkgchk/unopkg/unopkg_misc.cxx
index 6861f6459cc0..1524ba80a7ab 100644
--- a/desktop/source/pkgchk/unopkg/unopkg_misc.cxx
+++ b/desktop/source/pkgchk/unopkg/unopkg_misc.cxx
@@ -158,37 +158,31 @@ bool readArgument(
 }
 
 
-namespace {
-struct ExecutableDir : public rtl::StaticWithInit<
-    OUString, ExecutableDir> {
-    OUString operator () () {
-        OUString path;
-        if (osl_getExecutableFile( &path.pData ) != osl_Process_E_None) {
-            throw RuntimeException("cannot locate executable directory!",nullptr);
-        }
-        return path.copy( 0, path.lastIndexOf( '/' ) );
-    }
-};
-struct ProcessWorkingDir : public rtl::StaticWithInit<
-    OUString, ProcessWorkingDir> {
-    OUString operator () () {
-        OUString workingDir;
-        utl::Bootstrap::getProcessWorkingDir(workingDir);
-        return workingDir;
-    }
-};
-} // anon namespace
-
-
 OUString const & getExecutableDir()
 {
-    return ExecutableDir::get();
+    static const OUString EXEC =
+        [&]()
+        {
+            OUString path;
+            if (osl_getExecutableFile( &path.pData ) != osl_Process_E_None) {
+                throw RuntimeException("cannot locate executable directory!",nullptr);
+            }
+            return path.copy( 0, path.lastIndexOf( '/' ) );
+        }();
+    return EXEC;
 }
 
 
 OUString const & getProcessWorkingDir()
 {
-    return ProcessWorkingDir::get();
+    static const OUString WORKING =
+        [&]()
+        {
+            OUString workingDir;
+            utl::Bootstrap::getProcessWorkingDir(workingDir);
+            return workingDir;
+        }();
+    return WORKING;
 }
 
 
diff --git a/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx b/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx
index ff00b91050f6..743fb792147f 100644
--- a/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx
+++ b/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx
@@ -105,16 +105,13 @@ namespace drawinglayer::primitive3d
                 }
             };
 
-            struct theTubeBuffer :
-                public rtl::Static< TubeBuffer, theTubeBuffer > {};
-
             Primitive3DContainer getLineTubeSegments(
                 sal_uInt32 nSegments,
                 const attribute::MaterialAttribute3D& rMaterial)
             {
                 // static data for buffered tube primitives
-                TubeBuffer &rTheBuffer = theTubeBuffer::get();
-                return rTheBuffer.getLineTubeSegments(nSegments, rMaterial);
+                static TubeBuffer theTubeBuffer;
+                return theTubeBuffer.getLineTubeSegments(nSegments, rMaterial);
             }
 
             class CapBuffer
@@ -183,16 +180,13 @@ namespace drawinglayer::primitive3d
                 }
             };
 
-            struct theCapBuffer :
-                public rtl::Static< CapBuffer, theCapBuffer > {};
-
             Primitive3DContainer getLineCapSegments(
                 sal_uInt32 nSegments,
                 const attribute::MaterialAttribute3D& rMaterial)
             {
                 // static data for buffered cap primitives
-                CapBuffer &rTheBuffer = theCapBuffer::get();
-                return rTheBuffer.getLineCapSegments(nSegments, rMaterial);
+                static CapBuffer theCapBuffer;
+                return theCapBuffer.getLineCapSegments(nSegments, rMaterial);
             }
 
             class CapRoundBuffer
@@ -278,17 +272,13 @@ namespace drawinglayer::primitive3d
 
             };
 
-            struct theCapRoundBuffer :
-                public rtl::Static< CapRoundBuffer, theCapRoundBuffer > {};
-
-
             Primitive3DContainer getLineCapRoundSegments(
                 sal_uInt32 nSegments,
                 const attribute::MaterialAttribute3D& rMaterial)
             {
                 // static data for buffered cap primitives
-                CapRoundBuffer &rTheBuffer = theCapRoundBuffer::get();
-                return rTheBuffer.getLineCapRoundSegments(nSegments, rMaterial);
+                static CapRoundBuffer theCapRoundBuffer;
+                return theCapRoundBuffer.getLineCapRoundSegments(nSegments, rMaterial);
             }
 
             Primitive3DContainer getLineJoinSegments(
diff --git a/editeng/source/editeng/eerdll.cxx b/editeng/source/editeng/eerdll.cxx
index 0e0540bf1244..5e6929ec33a1 100644
--- a/editeng/source/editeng/eerdll.cxx
+++ b/editeng/source/editeng/eerdll.cxx
@@ -64,19 +64,14 @@
 #include <editeng/xmlcnitm.hxx>
 #include <editeng/forbiddencharacterstable.hxx>
 #include <editeng/justifyitem.hxx>
-#include <rtl/instance.hxx>
 #include <tools/mapunit.hxx>
 
 using namespace ::com::sun::star;
 
-namespace
-{
-    class theEditDLL : public rtl::Static<EditDLL, theEditDLL> {};
-}
-
 EditDLL& EditDLL::Get()
 {
-    return theEditDLL::get();
+    static EditDLL theEditDLL;
+    return theEditDLL;
 }
 
 DefItems::DefItems()
diff --git a/editeng/source/misc/acorrcfg.cxx b/editeng/source/misc/acorrcfg.cxx
index 5489e7d5011f..6d0c0650e416 100644
--- a/editeng/source/misc/acorrcfg.cxx
+++ b/editeng/source/misc/acorrcfg.cxx
@@ -29,8 +29,6 @@
 #include <editeng/svxacorr.hxx>
 #include <com/sun/star/uno/Sequence.hxx>
 
-#include <rtl/instance.hxx>
-
 using namespace utl;
 using namespace com::sun::star;
 using namespace com::sun::star::uno;
@@ -601,14 +599,10 @@ void SvxSwAutoCorrCfg::Notify( const Sequence<OUString>& /* aPropertyNames */ )
     Load(false);
 }
 
-namespace
-{
-    class theSvxAutoCorrCfg : public rtl::Static<SvxAutoCorrCfg, theSvxAutoCorrCfg>{};
-}
-
 SvxAutoCorrCfg& SvxAutoCorrCfg::Get()
 {
-    return theSvxAutoCorrCfg::get();
+    static SvxAutoCorrCfg theSvxAutoCorrCfg;
+    return theSvxAutoCorrCfg;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/editeng/source/uno/unotext.cxx b/editeng/source/uno/unotext.cxx
index 0a3d7f215058..76537f8b425b 100644
--- a/editeng/source/uno/unotext.cxx
+++ b/editeng/source/uno/unotext.cxx
@@ -28,7 +28,6 @@
 #include <svl/itemset.hxx>
 #include <svl/itempool.hxx>
 #include <svl/eitem.hxx>
-#include <rtl/instance.hxx>
 #include <tools/debug.hxx>
 
 #include <editeng/unoprnms.hxx>
@@ -1548,36 +1547,19 @@ void SAL_CALL SvxUnoTextRange::release()
 
 // XTypeProvider
 
-namespace
-{
-    struct theSvxUnoTextRangeTypes :
-        public rtl::StaticWithInit<uno::Sequence<uno::Type>, theSvxUnoTextRangeTypes>
-    {
-        uno::Sequence<uno::Type> operator () ()
-        {
-            uno::Sequence< uno::Type > aTypeSequence;
-
-            aTypeSequence.realloc( 9 ); // !DANGER! keep this updated
-            uno::Type* pTypes = aTypeSequence.getArray();
-
-            *pTypes++ = cppu::UnoType<text::XTextRange>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertyStates>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertyState>::get();
-            *pTypes++ = cppu::UnoType<lang::XServiceInfo>::get();
-            *pTypes++ = cppu::UnoType<lang::XTypeProvider>::get();
-            *pTypes++ = cppu::UnoType<lang::XUnoTunnel>::get();
-            *pTypes++ = cppu::UnoType<text::XTextRangeCompare>::get();
-
-            return aTypeSequence;
-        }
-    };
-}
-
 uno::Sequence< uno::Type > SAL_CALL SvxUnoTextRange::getTypes()
 {
-    return theSvxUnoTextRangeTypes::get();
+    static const uno::Sequence< uno::Type > TYPES {
+            cppu::UnoType<text::XTextRange>::get(),
+            cppu::UnoType<beans::XPropertySet>::get(),
+            cppu::UnoType<beans::XMultiPropertySet>::get(),
+            cppu::UnoType<beans::XMultiPropertyStates>::get(),
+            cppu::UnoType<beans::XPropertyState>::get(),
+            cppu::UnoType<lang::XServiceInfo>::get(),
+            cppu::UnoType<lang::XTypeProvider>::get(),
+            cppu::UnoType<lang::XUnoTunnel>::get(),
+            cppu::UnoType<text::XTextRangeCompare>::get() };
+    return TYPES;
 }
 
 uno::Sequence< sal_Int8 > SAL_CALL SvxUnoTextRange::getImplementationId()
@@ -1657,42 +1639,25 @@ uno::Any SAL_CALL SvxUnoTextBase::queryAggregation( const uno::Type & rType )
 
 // XTypeProvider
 
-namespace
-{
-    struct theSvxUnoTextBaseTypes :
-        public rtl::StaticWithInit<uno::Sequence<uno::Type>, theSvxUnoTextBaseTypes>
-    {
-        uno::Sequence<uno::Type> operator () ()
-        {
-            uno::Sequence< uno::Type > aTypeSequence;
-
-            aTypeSequence.realloc( 15 ); // !DANGER! keep this updated
-            uno::Type* pTypes = aTypeSequence.getArray();
-
-            *pTypes++ = cppu::UnoType<text::XText>::get();
-            *pTypes++ = cppu::UnoType<container::XEnumerationAccess>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertyStates>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertyState>::get();
-            *pTypes++ = cppu::UnoType<text::XTextRangeMover>::get();
-            *pTypes++ = cppu::UnoType<text::XTextAppend>::get();
-            *pTypes++ = cppu::UnoType<text::XTextCopy>::get();
-            *pTypes++ = cppu::UnoType<text::XParagraphAppend>::get();
-            *pTypes++ = cppu::UnoType<text::XTextPortionAppend>::get();
-            *pTypes++ = cppu::UnoType<lang::XServiceInfo>::get();
-            *pTypes++ = cppu::UnoType<lang::XTypeProvider>::get();
-            *pTypes++ = cppu::UnoType<lang::XUnoTunnel>::get();
-            *pTypes++ = cppu::UnoType<text::XTextRangeCompare>::get();
-
-            return aTypeSequence;
-        }
-    };
-}
-
 uno::Sequence< uno::Type > SAL_CALL SvxUnoTextBase::getTypes()
 {
-    return theSvxUnoTextBaseTypes::get();
+    static const uno::Sequence< uno::Type > TYPES {
+            cppu::UnoType<text::XText>::get(),
+            cppu::UnoType<container::XEnumerationAccess>::get(),
+            cppu::UnoType<beans::XPropertySet>::get(),
+            cppu::UnoType<beans::XMultiPropertySet>::get(),
+            cppu::UnoType<beans::XMultiPropertyStates>::get(),
+            cppu::UnoType<beans::XPropertyState>::get(),
+            cppu::UnoType<text::XTextRangeMover>::get(),
+            cppu::UnoType<text::XTextAppend>::get(),
+            cppu::UnoType<text::XTextCopy>::get(),
+            cppu::UnoType<text::XParagraphAppend>::get(),
+            cppu::UnoType<text::XTextPortionAppend>::get(),
+            cppu::UnoType<lang::XServiceInfo>::get(),
+            cppu::UnoType<lang::XTypeProvider>::get(),
+            cppu::UnoType<lang::XUnoTunnel>::get(),
+            cppu::UnoType<text::XTextRangeCompare>::get() };
+    return TYPES;
 }
 
 uno::Sequence< sal_Int8 > SAL_CALL SvxUnoTextBase::getImplementationId()
diff --git a/editeng/source/uno/unotext2.cxx b/editeng/source/uno/unotext2.cxx
index f7a2d462e3b3..8ff342d915bb 100644
--- a/editeng/source/uno/unotext2.cxx
+++ b/editeng/source/uno/unotext2.cxx
@@ -181,38 +181,21 @@ void SAL_CALL SvxUnoTextContent::release() noexcept
 
 // XTypeProvider
 
-namespace
-{
-    struct theSvxUnoTextContentTypes :
-        public rtl::StaticWithInit<uno::Sequence<uno::Type>, theSvxUnoTextContentTypes>
-    {
-        uno::Sequence<uno::Type> operator () ()
-        {
-            uno::Sequence< uno::Type > aTypeSequence;
-
-            aTypeSequence.realloc( 11 ); // !DANGER! keep this updated
-            uno::Type* pTypes = aTypeSequence.getArray();
-
-            *pTypes++ = cppu::UnoType<text::XTextRange>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertyStates>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertyState>::get();
-            *pTypes++ = cppu::UnoType<text::XTextRangeCompare>::get();
-            *pTypes++ = cppu::UnoType<text::XTextContent>::get();
-            *pTypes++ = cppu::UnoType<container::XEnumerationAccess>::get();
-            *pTypes++ = cppu::UnoType<lang::XServiceInfo>::get();
-            *pTypes++ = cppu::UnoType<lang::XTypeProvider>::get();
-            *pTypes++ = cppu::UnoType<lang::XUnoTunnel>::get();
-
-            return aTypeSequence;
-        }
-    };
-}
-
 uno::Sequence< uno::Type > SAL_CALL SvxUnoTextContent::getTypes()
 {
-    return theSvxUnoTextContentTypes::get();
+    static const uno::Sequence< uno::Type > TYPES {
+            cppu::UnoType<text::XTextRange>::get(),
+            cppu::UnoType<beans::XPropertySet>::get(),
+            cppu::UnoType<beans::XMultiPropertySet>::get(),
+            cppu::UnoType<beans::XMultiPropertyStates>::get(),
+            cppu::UnoType<beans::XPropertyState>::get(),
+            cppu::UnoType<text::XTextRangeCompare>::get(),
+            cppu::UnoType<text::XTextContent>::get(),
+            cppu::UnoType<container::XEnumerationAccess>::get(),
+            cppu::UnoType<lang::XServiceInfo>::get(),
+            cppu::UnoType<lang::XTypeProvider>::get(),
+            cppu::UnoType<lang::XUnoTunnel>::get() };
+    return TYPES;
 }
 
 uno::Sequence< sal_Int8 > SAL_CALL SvxUnoTextContent::getImplementationId()
@@ -501,38 +484,21 @@ void SAL_CALL SvxUnoTextCursor::release() noexcept
     OWeakAggObject::release();
 }
 
-namespace
-{
-    struct theSvxUnoTextCursorTypes :
-        public rtl::StaticWithInit<uno::Sequence<uno::Type>, theSvxUnoTextCursorTypes>
-    {
-        uno::Sequence<uno::Type> operator () ()
-        {
-            uno::Sequence< uno::Type > aTypeSequence;
-
-            aTypeSequence.realloc( 10 ); // !DANGER! keep this updated
-            uno::Type* pTypes = aTypeSequence.getArray();
-
-            *pTypes++ = cppu::UnoType<text::XTextRange>::get();
-            *pTypes++ = cppu::UnoType<text::XTextCursor>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertySet>::get();
-            *pTypes++ = cppu::UnoType<beans::XMultiPropertyStates>::get();
-            *pTypes++ = cppu::UnoType<beans::XPropertyState>::get();
-            *pTypes++ = cppu::UnoType<text::XTextRangeCompare>::get();
-            *pTypes++ = cppu::UnoType<lang::XServiceInfo>::get();
-            *pTypes++ = cppu::UnoType<lang::XTypeProvider>::get();
-            *pTypes++ = cppu::UnoType<lang::XUnoTunnel>::get();
-
-            return aTypeSequence;
-        }
-    };
-}
-
 // XTypeProvider
 uno::Sequence< uno::Type > SAL_CALL SvxUnoTextCursor::getTypes()
 {
-    return theSvxUnoTextCursorTypes::get();
+    static const uno::Sequence< uno::Type > TYPES {
+            cppu::UnoType<text::XTextRange>::get(),
+             cppu::UnoType<text::XTextCursor>::get(),
+             cppu::UnoType<beans::XPropertySet>::get(),
+             cppu::UnoType<beans::XMultiPropertySet>::get(),
+             cppu::UnoType<beans::XMultiPropertyStates>::get(),
+             cppu::UnoType<beans::XPropertyState>::get(),
+             cppu::UnoType<text::XTextRangeCompare>::get(),
+             cppu::UnoType<lang::XServiceInfo>::get(),
+             cppu::UnoType<lang::XTypeProvider>::get(),
+             cppu::UnoType<lang::XUnoTunnel>::get() };
+    return TYPES;
 }
 
 uno::Sequence< sal_Int8 > SAL_CALL SvxUnoTextCursor::getImplementationId()
diff --git a/filter/source/config/cache/basecontainer.cxx b/filter/source/config/cache/basecontainer.cxx
index 4047f4df2719..023afd29415a 100644
--- a/filter/source/config/cache/basecontainer.cxx
+++ b/filter/source/config/cache/basecontainer.cxx
@@ -38,7 +38,7 @@ BaseContainer::BaseContainer()
     , m_eType()
     , m_lListener  (m_aLock)
 {
-    TheFilterCache::get().load(FilterCache::E_CONTAINS_STANDARD);
+    GetTheFilterCache().load(FilterCache::E_CONTAINS_STANDARD);
 }
 
 
@@ -93,7 +93,7 @@ void BaseContainer::impl_loadOnDemand()
             break;
     }
 
-    TheFilterCache::get().load(eRequiredState);
+    GetTheFilterCache().load(eRequiredState);
     // <- SAFE
 #endif
 }
@@ -104,7 +104,7 @@ void BaseContainer::impl_initFlushMode()
     // SAFE ->
     osl::MutexGuard aLock(m_aLock);
     if (!m_pFlushCache)
-        m_pFlushCache = TheFilterCache::get().clone();
+        m_pFlushCache = GetTheFilterCache().clone();
     if (!m_pFlushCache)
         throw css::uno::RuntimeException( "Can not create write copy of internal used cache on demand.",
                 static_cast< OWeakObject* >(this));
@@ -119,7 +119,7 @@ FilterCache* BaseContainer::impl_getWorkingCache() const
     if (m_pFlushCache)
         return m_pFlushCache.get();
     else
-        return &TheFilterCache::get();
+        return &GetTheFilterCache();
     // <- SAFE
 }
 
@@ -422,7 +422,7 @@ void SAL_CALL BaseContainer::flush()
                 If the global cache gets this information via listener,
                 we should remove this method!
         */
-        TheFilterCache::get().takeOver(*m_pFlushCache);
+        GetTheFilterCache().takeOver(*m_pFlushCache);
     }
     catch(const css::uno::Exception& ex)
     {
diff --git a/filter/source/config/cache/contenthandlerfactory.cxx b/filter/source/config/cache/contenthandlerfactory.cxx
index a5140acdbed2..a3bf71cf22ed 100644
--- a/filter/source/config/cache/contenthandlerfactory.cxx
+++ b/filter/source/config/cache/contenthandlerfactory.cxx
@@ -55,7 +55,7 @@ css::uno::Reference< css::uno::XInterface > SAL_CALL ContentHandlerFactory::crea
     // SAFE ->
     osl::MutexGuard aLock(m_aLock);
 
-    auto & cache = TheFilterCache::get();
+    auto & cache = GetTheFilterCache();
 
     // search handler on cache
     CacheItem aHandler = cache.getItem(FilterCache::E_CONTENTHANDLER, sHandler);
diff --git a/filter/source/config/cache/filtercache.hxx b/filter/source/config/cache/filtercache.hxx
index 66d07467f6f3..a0ef79c93931 100644
--- a/filter/source/config/cache/filtercache.hxx
+++ b/filter/source/config/cache/filtercache.hxx
@@ -29,7 +29,6 @@
 #include <com/sun/star/uno/Reference.h>
 #include <com/sun/star/uno/Any.h>
 #include <comphelper/documentconstants.hxx>
-#include <rtl/instance.hxx>
 #include <rtl/ref.hxx>
 #include <rtl/ustring.hxx>
 
@@ -933,7 +932,7 @@ class FilterCache : public BaseLock
         static css::uno::Sequence< OUString > impl_convertFlagField2FlagNames(SfxFilterFlags nFlags);
 };
 
-struct TheFilterCache: public rtl::Static<FilterCache, TheFilterCache> {};
+FilterCache& GetTheFilterCache();
 
 } // namespace filter::config
 
diff --git a/filter/source/config/cache/filterfactory.cxx b/filter/source/config/cache/filterfactory.cxx
index e499b4bad633..8832330d5a04 100644
--- a/filter/source/config/cache/filterfactory.cxx
+++ b/filter/source/config/cache/filterfactory.cxx
@@ -30,6 +30,12 @@
 
 namespace filter::config{
 
+FilterCache& GetTheFilterCache()
+{
+    static FilterCache CACHE;
+    return CACHE;
+}
+
 /** @short  define all possible parts of a filter query.
 
     @descr  syntax: "<query>[:<param>[=<value>]]"
@@ -73,7 +79,7 @@ css::uno::Reference< css::uno::XInterface > SAL_CALL FilterFactory::createInstan
     // SAFE ->
     osl::MutexGuard aLock(m_aLock);
 
-    auto & cache = TheFilterCache::get();
+    auto & cache = GetTheFilterCache();
 
     // search filter on cache
     CacheItem aFilter = cache.getItem(FilterCache::E_FILTER, sFilter);
@@ -122,7 +128,7 @@ css::uno::Sequence< OUString > SAL_CALL FilterFactory::getAvailableServiceNames(
     std::vector<OUString> lUNOFilters;
     try
     {
-        lUNOFilters = TheFilterCache::get().getMatchingItemsByProps(FilterCache::E_FILTER, lIProps, lEProps);
+        lUNOFilters = GetTheFilterCache().getMatchingItemsByProps(FilterCache::E_FILTER, lIProps, lEProps);
     }
     catch(const css::uno::RuntimeException&)
         { throw; }
diff --git a/filter/source/config/cache/frameloaderfactory.cxx b/filter/source/config/cache/frameloaderfactory.cxx
index c7906b4acf1d..a3aef82e4c6c 100644
--- a/filter/source/config/cache/frameloaderfactory.cxx
+++ b/filter/source/config/cache/frameloaderfactory.cxx
@@ -53,7 +53,7 @@ css::uno::Reference< css::uno::XInterface > SAL_CALL FrameLoaderFactory::createI
     // SAFE ->
     osl::MutexGuard aLock(m_aLock);
 
-    auto & cache = TheFilterCache::get();
+    auto & cache = GetTheFilterCache();
 
     // search loader on cache
     CacheItem aLoader = cache.getItem(m_eType, sLoader);
diff --git a/filter/source/config/cache/typedetection.cxx b/filter/source/config/cache/typedetection.cxx
index 34d0d49d5af9..1fd7cccc49ab 100644
--- a/filter/source/config/cache/typedetection.cxx
+++ b/filter/source/config/cache/typedetection.cxx
@@ -82,7 +82,7 @@ OUString SAL_CALL TypeDetection::queryTypeByURL(const OUString& sURL)
     // set std types as minimum requirement first!
     // Only in case no type was found for given URL,
     // use optional types too ...
-    auto & cache = TheFilterCache::get();
+    auto & cache = GetTheFilterCache();
     FlatDetection lFlatTypes;
     cache.detectFlatForURL(aURL, lFlatTypes);
 
@@ -473,7 +473,7 @@ void TypeDetection::impl_checkResultsAndAddBestFilter(utl::MediaDescriptor& rDes
     if (!sFilter.isEmpty())
         return;
 
-    auto & cache = TheFilterCache::get();
+    auto & cache = GetTheFilterCache();
 
     // b)
     // check a preselected document service too.
@@ -642,7 +642,7 @@ bool TypeDetection::impl_getPreselectionForType(
     {
         // SAFE -> --------------------------
         osl::MutexGuard aLock(m_aLock);
-        aType = TheFilterCache::get().getItem(FilterCache::E_TYPE, sType);
+        aType = GetTheFilterCache().getItem(FilterCache::E_TYPE, sType);
         // <- SAFE --------------------------
     }
     catch(const css::container::NoSuchElementException&)
@@ -732,7 +732,7 @@ void TypeDetection::impl_getPreselectionForDocumentService(
         // Attention: For executing next lines of code, We must be sure that
         // all filters already loaded :-(
         // That can disturb our "load on demand feature". But we have no other chance!
-        auto & cache = TheFilterCache::get();
+        auto & cache = GetTheFilterCache();
         cache.load(FilterCache::E_CONTAINS_FILTERS);
 
         CacheItem lIProps;
@@ -766,7 +766,7 @@ OUString TypeDetection::impl_getTypeFromFilter(const OUString& rFilterName)
     try
     {
         osl::MutexGuard aLock(m_aLock);
-        aFilter = TheFilterCache::get().getItem(FilterCache::E_FILTER, rFilterName);
+        aFilter = GetTheFilterCache().getItem(FilterCache::E_FILTER, rFilterName);
     }
     catch (const container::NoSuchElementException&)
     {
@@ -788,7 +788,7 @@ void TypeDetection::impl_getAllFormatTypes(
     try
     {
         osl::MutexGuard aLock(m_aLock);
-        auto & cache = TheFilterCache::get();
+        auto & cache = GetTheFilterCache();
         cache.load(FilterCache::E_CONTAINS_FILTERS);
         aFilterNames = cache.getItemNames(FilterCache::E_FILTER);
     }
@@ -813,7 +813,7 @@ void TypeDetection::impl_getAllFormatTypes(
     {
         // Get all types that match the URL alone.
         FlatDetection aFlatByURL;
-        TheFilterCache::get().detectFlatForURL(aParsedURL, aFlatByURL);
+        GetTheFilterCache().detectFlatForURL(aParsedURL, aFlatByURL);
         for (auto const& elem : aFlatByURL)
         {
             FlatDetection::iterator itPos = std::find_if(rFlatTypes.begin(), rFlatTypes.end(), FindByType(elem.sType));
@@ -900,7 +900,7 @@ OUString TypeDetection::impl_detectTypeFlatAndDeep(      utl::MediaDescriptor& r
         {
             // SAFE -> ----------------------------------
             osl::ClearableMutexGuard aLock(m_aLock);
-            CacheItem aType = TheFilterCache::get().getItem(FilterCache::E_TYPE, sFlatType);
+            CacheItem aType = GetTheFilterCache().getItem(FilterCache::E_TYPE, sFlatType);
             aLock.clear();
 
             OUString sDetectService;
@@ -1155,7 +1155,7 @@ bool TypeDetection::impl_validateAndSetTypeOnDescriptor(      utl::MediaDescript
     // SAFE ->
     {
         osl::MutexGuard aLock(m_aLock);
-        if (TheFilterCache::get().hasItem(FilterCache::E_TYPE, sType))
+        if (GetTheFilterCache().hasItem(FilterCache::E_TYPE, sType))
         {
             rDescriptor[utl::MediaDescriptor::PROP_TYPENAME()] <<= sType;
             return true;
@@ -1177,7 +1177,7 @@ bool TypeDetection::impl_validateAndSetFilterOnDescriptor(      utl::MediaDescri
         // SAFE ->
         osl::ClearableMutexGuard aLock(m_aLock);
 
-        auto & cache = TheFilterCache::get();
+        auto & cache = GetTheFilterCache();
         CacheItem aFilter = cache.getItem(FilterCache::E_FILTER, sFilter);
         OUString sType;
         aFilter[PROPNAME_TYPE] >>= sType;
diff --git a/filter/source/xsltdialog/xmlfilterdialogcomponent.cxx b/filter/source/xsltdialog/xmlfilterdialogcomponent.cxx
index ec7b04b964fd..095e00e6ab0b 100644
--- a/filter/source/xsltdialog/xmlfilterdialogcomponent.cxx
+++ b/filter/source/xsltdialog/xmlfilterdialogcomponent.cxx
@@ -31,7 +31,6 @@
 #include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
 #include <com/sun/star/beans/PropertyValue.hpp>
 #include <vcl/svapp.hxx>
-#include <rtl/instance.hxx>
 
 #include "xmlfiltersettingsdialog.hxx"
 
@@ -162,42 +161,23 @@ OUString SAL_CALL XMLFilterDialogComponent::getImplementationName()
     return "com.sun.star.comp.ui.XSLTFilterDialog";
 }
 
-namespace { struct lcl_ImplId : public rtl::Static< ::cppu::OImplementationId, lcl_ImplId > {}; }
-
 Sequence< sal_Int8 > SAL_CALL XMLFilterDialogComponent::getImplementationId()
 {
-    return css::uno::Sequence<sal_Int8>();
+    static ::cppu::OImplementationId implId;
+    return implId.getImplementationId();
 }
 
 
-namespace
-{
-    class DialogComponentTypes
-    {
-    private:
-        OTypeCollection m_aTypes;
-    public:
-        DialogComponentTypes() :
-            m_aTypes(
-                cppu::UnoType<XComponent>::get(),
-                cppu::UnoType<XTypeProvider>::get(),
-                cppu::UnoType<XAggregation>::get(),
-                cppu::UnoType<XWeak>::get(),
-                cppu::UnoType<XServiceInfo>::get(),
-                cppu::UnoType<XInitialization>::get(),
-                cppu::UnoType<XTerminateListener>::get(),
-                cppu::UnoType<css::ui::dialogs::XExecutableDialog>::get())
-        {
-        }
-        OTypeCollection& getTypeCollection() { return m_aTypes; }
-    };
-
-    struct theDialogComponentTypes : rtl::Static<DialogComponentTypes, theDialogComponentTypes> {};
-}
-
 Sequence< Type > XMLFilterDialogComponent::getTypes()
 {
-    return theDialogComponentTypes::get().getTypeCollection().getTypes();
+    return { cppu::UnoType<XComponent>::get(),
+             cppu::UnoType<XTypeProvider>::get(),
+             cppu::UnoType<XAggregation>::get(),
+             cppu::UnoType<XWeak>::get(),
+             cppu::UnoType<XServiceInfo>::get(),
+             cppu::UnoType<XInitialization>::get(),
+             cppu::UnoType<XTerminateListener>::get(),
+             cppu::UnoType<css::ui::dialogs::XExecutableDialog>::get() };
 }
 
 Sequence< OUString > SAL_CALL XMLFilterDialogComponent::getSupportedServiceNames()
diff --git a/framework/source/accelerators/keymapping.cxx b/framework/source/accelerators/keymapping.cxx
index 5f78d6dd65b0..1a5648c8d43a 100644
--- a/framework/source/accelerators/keymapping.cxx
+++ b/framework/source/accelerators/keymapping.cxx
@@ -21,7 +21,6 @@
 
 #include <com/sun/star/awt/Key.hpp>
 #include <com/sun/star/lang/IllegalArgumentException.hpp>
-#include <rtl/instance.hxx>
 
 namespace framework
 {
@@ -154,14 +153,9 @@ KeyMapping::KeyMapping()
     }
 }
 
-namespace {
-
-struct Instance: public rtl::Static<KeyMapping, Instance> {};
-
-}
-
 KeyMapping & KeyMapping::get() {
-    return Instance::get();
+    static KeyMapping KEYS;
+    return KEYS;
 }
 
 sal_uInt16 KeyMapping::mapIdentifierToCode(const OUString& sIdentifier)
diff --git a/framework/source/helper/statusindicatorfactory.cxx b/framework/source/helper/statusindicatorfactory.cxx
index 45c96b373f1a..65cf6141d5ae 100644
--- a/framework/source/helper/statusindicatorfactory.cxx
+++ b/framework/source/helper/statusindicatorfactory.cxx
@@ -42,12 +42,6 @@ namespace framework{
 
 sal_Int32 StatusIndicatorFactory::m_nInReschedule = 0;  ///< static counter for rescheduling
 
-namespace {
-
-struct RescheduleLock: public rtl::Static<osl::Mutex, RescheduleLock> {}; ///< mutex to guard the m_nInReschedule
-
-}
-
 constexpr OUStringLiteral PROGRESS_RESOURCE = u"private:resource/progressbar/progressbar";
 
 StatusIndicatorFactory::StatusIndicatorFactory(const css::uno::Reference< css::uno::XComponentContext >& xContext)
@@ -518,8 +512,9 @@ void StatusIndicatorFactory::impl_reschedule(bool bForce)
     if (!bReschedule)
         return;
 
+    static osl::Mutex rescheduleLock;
     // SAFE ->
-    osl::ResettableMutexGuard aRescheduleGuard(RescheduleLock::get());
+    osl::ResettableMutexGuard aRescheduleGuard(rescheduleLock);
 
     if (m_nInReschedule != 0)
         return;
diff --git a/framework/source/layoutmanager/layoutmanager.cxx b/framework/source/layoutmanager/layoutmanager.cxx
index 4d821b4e08ae..b46db52906ff 100644
--- a/framework/source/layoutmanager/layoutmanager.cxx
+++ b/framework/source/layoutmanager/layoutmanager.cxx
@@ -58,7 +58,6 @@
 #include <toolkit/helper/vclunohelper.hxx>
 #include <toolkit/awt/vclxmenu.hxx>
 #include <comphelper/uno3.hxx>
-#include <rtl/instance.hxx>
 #include <officecfg/Office/Compatibility.hxx>
 
 #include <rtl/ref.hxx>
@@ -3066,18 +3065,11 @@ namespace detail
         ::cppu::OPropertyArrayHelper& getHelper() { return *m_pInfoHelper; }
     };
 }
-namespace
-{
-    struct theInfoHelper :
-        public rtl::StaticWithArg< detail::InfoHelperBuilder, LayoutManager,
-        theInfoHelper >
-    {
-    };
-}
 
 ::cppu::IPropertyArrayHelper& SAL_CALL LayoutManager::getInfoHelper()
 {
-    return theInfoHelper::get(*this).getHelper();
+    static detail::InfoHelperBuilder INFO(*this);
+    return INFO.getHelper();
 }
 
 uno::Reference< beans::XPropertySetInfo > SAL_CALL LayoutManager::getPropertySetInfo()
diff --git a/framework/source/services/desktop.cxx b/framework/source/services/desktop.cxx
index ea2f0cac77f5..c369998365fe 100644
--- a/framework/source/services/desktop.cxx
+++ b/framework/source/services/desktop.cxx
@@ -51,7 +51,6 @@
 #include <comphelper/sequence.hxx>
 #include <comphelper/lok.hxx>
 #include <cppuhelper/supportsservice.hxx>
-#include <rtl/instance.hxx>
 #include <vcl/svapp.hxx>
 #include <desktop/crashreport.hxx>
 #include <vcl/scheduler.hxx>
@@ -1441,11 +1440,9 @@ void SAL_CALL Desktop::getFastPropertyValue( css::uno::Any& aValue  ,
 
 ::cppu::IPropertyArrayHelper& SAL_CALL Desktop::getInfoHelper()
 {
-    struct Static:
-        public rtl::StaticWithInit<cppu::OPropertyArrayHelper, Static>
-    {
-        cppu::OPropertyArrayHelper operator ()() {
-            return {
+    static cppu::OPropertyArrayHelper HELPER =
+        [&] () {
+            return cppu::OPropertyArrayHelper {
                 {{"ActiveFrame", PropHandle::ActiveFrame,
                   cppu::UnoType<css::lang::XComponent>::get(),
                   (css::beans::PropertyAttribute::TRANSIENT
@@ -1464,9 +1461,8 @@ void SAL_CALL Desktop::getFastPropertyValue( css::uno::Any& aValue  ,
                  {"Title", PropHandle::Title, cppu::UnoType<OUString>::get(),
                   css::beans::PropertyAttribute::TRANSIENT}},
                 true};
-        }
-    };
-    return Static::get();
+        }();
+    return HELPER;
 }
 
 /*-************************************************************************************************************
diff --git a/framework/source/uiconfiguration/globalsettings.cxx b/framework/source/uiconfiguration/globalsettings.cxx
index 2727c2bb24cb..5efaa204274b 100644
--- a/framework/source/uiconfiguration/globalsettings.cxx
+++ b/framework/source/uiconfiguration/globalsettings.cxx
@@ -25,7 +25,6 @@
 #include <com/sun/star/lang/XComponent.hpp>
 #include <com/sun/star/lang/XEventListener.hpp>
 
-#include <rtl/instance.hxx>
 #include <rtl/ref.hxx>
 #include <comphelper/propertysequence.hxx>
 #include <cppuhelper/implbase.hxx>
@@ -222,19 +221,9 @@ void GlobalSettings_Access::impl_initConfigAccess()
 
 //  global class
 
-namespace {
-
-struct mutexGlobalSettings : public rtl::Static< osl::Mutex, mutexGlobalSettings > {};
-
-}
-
-static rtl::Reference<GlobalSettings_Access> pStaticSettings;
-
 static GlobalSettings_Access* GetGlobalSettings( const css::uno::Reference< css::uno::XComponentContext >& rxContext )
 {
-    osl::MutexGuard aGuard(mutexGlobalSettings::get());
-    if ( !pStaticSettings )
-        pStaticSettings = new GlobalSettings_Access( rxContext );
+    static rtl::Reference<GlobalSettings_Access> pStaticSettings = new GlobalSettings_Access( rxContext );
     return pStaticSettings.get();
 }
 
diff --git a/framework/source/uiconfiguration/imagemanagerimpl.cxx b/framework/source/uiconfiguration/imagemanagerimpl.cxx
index 04ec4db065e1..f479063b4bfc 100644
--- a/framework/source/uiconfiguration/imagemanagerimpl.cxx
+++ b/framework/source/uiconfiguration/imagemanagerimpl.cxx
@@ -44,7 +44,6 @@
 #include <unotools/ucbstreamhelper.hxx>
 #include <vcl/filter/PngImageReader.hxx>
 #include <vcl/pngwrite.hxx>
-#include <rtl/instance.hxx>
 #include <memory>
 
 using ::com::sun::star::uno::Sequence;
@@ -86,15 +85,10 @@ namespace framework
 
 static GlobalImageList*     pGlobalImageList = nullptr;
 
-namespace
-{
-    class theGlobalImageListMutex
-        : public rtl::Static<osl::Mutex, theGlobalImageListMutex> {};
-}
-
 static osl::Mutex& getGlobalImageListMutex()
 {
-    return theGlobalImageListMutex::get();
+    static osl::Mutex mutex;
+    return mutex;
 }
 
 static GlobalImageList* getGlobalImageList( const uno::Reference< uno::XComponentContext >& rxContext )