diff --git a/src/modules/kutil/enum_bitfields.h b/src/modules/kutil/enum_bitfields.h
index 443f68d..0778620 100644
--- a/src/modules/kutil/enum_bitfields.h
+++ b/src/modules/kutil/enum_bitfields.h
@@ -17,6 +17,15 @@ operator & (E lhs, E rhs)
 		static_cast<typename std::underlying_type<E>::type>(rhs));
 }
 
+template <typename E>
+typename std::enable_if<is_enum_bitfield<E>::value,E>::type
+operator | (E lhs, E rhs)
+{
+	return static_cast<E> (
+		static_cast<typename std::underlying_type<E>::type>(lhs) |
+		static_cast<typename std::underlying_type<E>::type>(rhs));
+}
+
 template <typename E>
 typename std::enable_if<is_enum_bitfield<E>::value,E>::type
 operator ^ (E lhs, E rhs)
@@ -72,3 +81,10 @@ operator ! (E rhs)
 {
 	return static_cast<typename std::underlying_type<E>::type>(rhs) == 0;
 }
+
+template <typename E>
+typename std::enable_if<is_enum_bitfield<E>::value,bool>::type
+bitfield_contains(E set, E flag)
+{
+	return (set & flag) == flag;
+}