Model IEventProcessor acquire/release exactly after XInterface

...so classes deriving from both can easily share a single implementation for
these functions.

Change-Id: I6882dddc8b3ea3b0192d85102a0305494d964dc1

dbaccess/source/core/dataaccess/documenteventnotifier.cxx

@@ -74,9 +74,9 @@ namespace dbaccess
         {
         }
 
-        // IReference
-        virtual void SAL_CALL acquire();
-        virtual void SAL_CALL release();
+        // IEventProcessor
+        virtual void SAL_CALL acquire() throw ();
+        virtual void SAL_CALL release() throw ();
 
         void addLegacyEventListener( const Reference< document::XEventListener >& _Listener )
         {
@@ -129,12 +129,12 @@ namespace dbaccess
         void impl_notifyEventAsync_nothrow( const DocumentEvent& _rEvent );
     };
 
-    void SAL_CALL DocumentEventNotifier_Impl::acquire()
+    void SAL_CALL DocumentEventNotifier_Impl::acquire() throw ()
     {
         osl_atomic_increment( &m_refCount );
     }
 
-    void SAL_CALL DocumentEventNotifier_Impl::release()
+    void SAL_CALL DocumentEventNotifier_Impl::release() throw ()
     {
         if ( 0 == osl_atomic_decrement( &m_refCount ) )
             delete this;

include/comphelper/asyncnotification.hxx

@@ -76,8 +76,8 @@ namespace comphelper
         */
         virtual void processEvent( const AnyEvent& _rEvent ) = 0;
 
-        virtual void SAL_CALL acquire() = 0;
-        virtual void SAL_CALL release() = 0;
+        virtual void SAL_CALL acquire() throw () = 0;
+        virtual void SAL_CALL release() throw () = 0;
 
     protected:
         ~IEventProcessor() {}