use rtl::Static where double-locked pattern used

1 files changed, 6 insertions, 18 deletions

diff --git a/unotools/source/config/internaloptions.cxx b/unotools/source/config/internaloptions.cxx
index d1501a612128..63f4827c760c 100644
--- a/unotools/source/config/internaloptions.cxx
+++ b/unotools/source/config/internaloptions.cxx
@@ -560,29 +560,17 @@ void SvtInternalOptions::SetCurrentTempURL( const OUString& aNewCurrentTempURL )
     m_pDataContainer->SetCurrentTempURL( aNewCurrentTempURL );
 }
 
+namespace
+{
+    class theInternalOptionsMutex : public rtl::Static<osl::Mutex, theInternalOptionsMutex>{};
+}
+
 //*****************************************************************************************************************
 //  private method
 //*****************************************************************************************************************
 Mutex& SvtInternalOptions::GetOwnStaticMutex()
 {
-    // Initialize static mutex only for one time!
-    static Mutex* pMutex = NULL;
-    // If these method first called (Mutex not already exist!) ...
-    if( pMutex == NULL )
-    {
-        // ... we must create a new one. Protect follow code with the global mutex -
-        // It must be - we create a static variable!
-        MutexGuard aGuard( Mutex::getGlobalMutex() );
-        // We must check our pointer again - because it can be that another instance of ouer class will be fastr then these!
-        if( pMutex == NULL )
-        {
-            // Create the new mutex and set it for return on static variable.
-            static Mutex aMutex;
-            pMutex = &aMutex;
-        }
-    }
-    // Return new created or already existing mutex object.
-    return *pMutex;
+    return theInternalOptionsMutex::get();
 }
 
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