swunolocking1: #i108161#: WeakReferenceHelper::operator=():

 avoid creating a temporary WeakReferenceHelper for uno::Reference assignment.
 [according to callgrind this is 3 times faster]

4 files changed, 36 insertions, 13 deletions

diff --git a/cppuhelper/inc/cppuhelper/weakref.hxx b/cppuhelper/inc/cppuhelper/weakref.hxx
index ba4174db9..ab73e94a1 100644
--- a/cppuhelper/inc/cppuhelper/weakref.hxx
+++ b/cppuhelper/inc/cppuhelper/weakref.hxx
@@ -78,15 +78,17 @@ public:
         @param rWeakRef another weak ref
     */
     WeakReferenceHelper & SAL_CALL operator = ( const WeakReferenceHelper & rWeakRef ) SAL_THROW( () );
-    
-    /** Releases this reference and takes over hard reference xInt. If the implementation behind
-        xInt does not support XWeak or XInt is null, than this reference is null.
-        
+
+    /** Releases this reference and takes over hard reference xInt.
+        If the implementation behind xInt does not support XWeak
+        or XInt is null, then this reference is null.
+
         @param xInt another hard reference
     */
-    inline WeakReferenceHelper & SAL_CALL operator = ( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > & xInt ) SAL_THROW( () )
-        { return operator = ( WeakReferenceHelper( xInt ) ); }
-    
+    WeakReferenceHelper & SAL_CALL operator = (
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::uno::XInterface > & xInt ) SAL_THROW( () );
+
     /** Returns true if both weak refs reference to the same object.
 
         @param rObj another weak ref
@@ -134,7 +136,18 @@ public:
     inline WeakReference( const Reference< interface_type > & rRef ) SAL_THROW( () )
         : WeakReferenceHelper( rRef )
         {}
-    
+
+    /** Releases this reference and takes over hard reference xInt.
+        If the implementation behind xInt does not support XWeak
+        or XInt is null, then this reference is null.
+
+        @param xInt another hard reference
+    */
+    WeakReference & SAL_CALL operator = (
+            const ::com::sun::star::uno::Reference< interface_type > & xInt )
+        SAL_THROW( () )
+        { WeakReferenceHelper::operator=(xInt); return *this; }
+
     /**  Gets a hard reference to the object.
          
          @return hard reference or null, if the weakly referenced interface has gone
diff --git a/cppuhelper/source/cc5_solaris_sparc.map b/cppuhelper/source/cc5_solaris_sparc.map
index ff21cae7a..8614479ce 100755
--- a/cppuhelper/source/cc5_solaris_sparc.map
+++ b/cppuhelper/source/cc5_solaris_sparc.map
@@ -383,4 +383,5 @@ UDK_3.6 { # OOo 3.0
 UDK_3.7 { # OOo 3.3
     global:
         __1cEcppuLOWeakObjectbAdisposeWeakConnectionPoint6M_v_;
+        __1cDcomDsunEstarDunoTWeakReferenceHelper2G6Mrkn0DJReference4n0DKXInterface____r4_;
 } UDK_3.6;
diff --git a/cppuhelper/source/gcc3.map b/cppuhelper/source/gcc3.map
index 0cec45b6e..bbfbcbab2 100644
--- a/cppuhelper/source/gcc3.map
+++ b/cppuhelper/source/gcc3.map
@@ -377,5 +377,6 @@ UDK_3.5 { # OOo 3.0
 UDK_3.6 { # OOo 3.3
     global:
         _ZN4cppu11OWeakObject26disposeWeakConnectionPointEv;
+        _ZN3com3sun4star3uno19WeakReferenceHelperaSERKNS2_9ReferenceINS2_10XInterfaceEEE;
 } UDK_3.5;
 
diff --git a/cppuhelper/source/weak.cxx b/cppuhelper/source/weak.cxx
index 2cd092cb8..bf0274c9a 100644
--- a/cppuhelper/source/weak.cxx
+++ b/cppuhelper/source/weak.cxx
@@ -481,11 +481,20 @@ WeakReferenceHelper::WeakReferenceHelper(const WeakReferenceHelper& rWeakRef) SA
 
 WeakReferenceHelper& WeakReferenceHelper::operator=(const WeakReferenceHelper& rWeakRef) SAL_THROW( () )
 {
-    try
+    if (this == &rWeakRef)
     {
-    if (this != &rWeakRef)
+        return *this;
+    }
+    Reference< XInterface > xInt( rWeakRef.get() );
+    return operator = ( xInt );
+}
+
+WeakReferenceHelper & SAL_CALL
+WeakReferenceHelper::operator= (const Reference< XInterface > & xInt)
+SAL_THROW( () )
+{
+    try
     {
-        Reference< XInterface > xInt( rWeakRef.get() );
         if (m_pImpl)
         {
             if (m_pImpl->m_XWeakConnectionPoint.is())
@@ -502,9 +511,8 @@ WeakReferenceHelper& WeakReferenceHelper::operator=(const WeakReferenceHelper& r
             m_pImpl->acquire();
         }
     }
-    }
     catch (RuntimeException &) { OSL_ASSERT( 0 ); } // assert here, but no unexpected()
-    return *this;	
+    return *this;
 }
 
 WeakReferenceHelper::~WeakReferenceHelper() SAL_THROW( () )