chart49: #i113103# prevent deadlock caused by mixed mutex locking order wiht static variable initialization

1 files changed, 15 insertions, 14 deletions

diff --git a/chart2/source/model/template/ColumnChartType.cxx b/chart2/source/model/template/ColumnChartType.cxx
index aa11d77e8995..7393717846f5 100644..100755
--- a/chart2/source/model/template/ColumnChartType.cxx
+++ b/chart2/source/model/template/ColumnChartType.cxx
@@ -79,28 +79,31 @@ void lcl_AddDefaultsToMap(
     ::chart::PropertyHelper::setPropertyValueDefault( rOutMap, PROP_BARCHARTTYPE_GAPWIDTH_SEQUENCE, aSeq );
 }
 
-const Sequence< Property > & lcl_GetPropertySequence()
+struct StaticColumnChartTypeInfoHelper_Initializer
 {
-    static Sequence< Property > aPropSeq;
+    ::cppu::OPropertyArrayHelper* operator()()
+    {
+        static ::cppu::OPropertyArrayHelper aPropHelper( lcl_GetPropertySequence() );
+        return &aPropHelper;
+    }
 
-    // /--
-    ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
-    if( 0 == aPropSeq.getLength() )
+private:
+    Sequence< Property > lcl_GetPropertySequence()
     {
-        // get properties
         ::std::vector< ::com::sun::star::beans::Property > aProperties;
         lcl_AddPropertiesToVector( aProperties );
 
-        // and sort them for access via bsearch
         ::std::sort( aProperties.begin(), aProperties.end(),
                      ::chart::PropertyNameLess() );
 
-        // transfer result to static Sequence
-        aPropSeq = ::chart::ContainerHelper::ContainerToSequence( aProperties );
+        return ::chart::ContainerHelper::ContainerToSequence( aProperties );
     }
 
-    return aPropSeq;
-}
+};
+
+struct StaticColumnChartTypeInfoHelper : public rtl::StaticAggregate< ::cppu::OPropertyArrayHelper, StaticColumnChartTypeInfoHelper_Initializer >
+{
+};
 
 } // anonymous namespace
 
@@ -160,9 +163,7 @@ uno::Any ColumnChartType::GetDefaultValue( sal_Int32 nHandle ) const
 
 ::cppu::IPropertyArrayHelper & SAL_CALL ColumnChartType::getInfoHelper()
 {
-    static ::cppu::OPropertyArrayHelper aArrayHelper( lcl_GetPropertySequence(),
-                                                      /* bSorted = */ sal_True );
-    return aArrayHelper;
+    return *StaticColumnChartTypeInfoHelper::get();
 }