1 files changed, 12 insertions, 0 deletions
diff --git a/cpp/src/IceGrid/Util.h b/cpp/src/IceGrid/Util.h
index d2196853427..c7f6ed142a3 100644
--- a/cpp/src/IceGrid/Util.h
+++ b/cpp/src/IceGrid/Util.h
@@ -13,10 +13,22 @@
 #include <IceGrid/Descriptor.h>
 #include <IceUtil/StringUtil.h>
 #include <IceGrid/Exception.h>
+#include <IceUtil/Random.h>
+
+#include <functional>
 
 namespace IceGrid
 {
 
+struct RandomNumberGenerator : public std::unary_function<ptrdiff_t, ptrdiff_t>
+{
+    ptrdiff_t operator()(ptrdiff_t d)
+    {
+        return IceUtil::random(static_cast<int>(d));
+    }
+};
+
+
 template<typename T> std::insert_iterator<T>
 inline set_inserter(T& container) 
 {