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[ceph.git] / ceph / src / boost / boost / smart_ptr / intrusive_ptr.hpp

diff --git a/ceph/src/boost/boost/smart_ptr/intrusive_ptr.hpp b/ceph/src/boost/boost/smart_ptr/intrusive_ptr.hpp
index 0ab075d367ba08d7a79b6bdd6d62da5b44889ece..eddbb42e1c2b33b3aeead5ae0601960e1fea0408 100644 (file)
--- a/ceph/src/boost/boost/smart_ptr/intrusive_ptr.hpp
+++ b/ceph/src/boost/boost/smart_ptr/intrusive_ptr.hpp
@@ -297,6 +297,8 @@ template<class T> T * get_pointer(intrusive_ptr<T> const & p) BOOST_SP_NOEXCEPT
     return p.get();
 }
 
+// pointer casts
+
 template<class T, class U> intrusive_ptr<T> static_pointer_cast(intrusive_ptr<U> const & p)
 {
     return static_cast<T *>(p.get());
@@ -312,6 +314,31 @@ template<class T, class U> intrusive_ptr<T> dynamic_pointer_cast(intrusive_ptr<U
     return dynamic_cast<T *>(p.get());
 }
 
+#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
+
+template<class T, class U> intrusive_ptr<T> static_pointer_cast( intrusive_ptr<U> && p ) BOOST_SP_NOEXCEPT
+{
+    return intrusive_ptr<T>( static_cast<T*>( p.detach() ), false );
+}
+
+template<class T, class U> intrusive_ptr<T> const_pointer_cast( intrusive_ptr<U> && p ) BOOST_SP_NOEXCEPT
+{
+    return intrusive_ptr<T>( const_cast<T*>( p.detach() ), false );
+}
+
+template<class T, class U> intrusive_ptr<T> dynamic_pointer_cast( intrusive_ptr<U> && p ) BOOST_SP_NOEXCEPT
+{
+    T * p2 = dynamic_cast<T*>( p.get() );
+
+    intrusive_ptr<T> r( p2, false );
+
+    if( p2 ) p.detach();
+
+    return r;
+}
+
+#endif // defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
+
 // operator<<
 
 #if !defined(BOOST_NO_IOSTREAM)