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diff --git a/libcult/cult/mm/exception.hxx b/libcult/cult/mm/exception.hxx
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+// file : cult/mm/exceptions.hxx
+// author : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2005-2010 Boris Kolpackov
+// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef CULT_MM_EXCEPTIONS_HXX
+#define CULT_MM_EXCEPTIONS_HXX
+
+#include <cult/eh/exception.hxx>
+
+#include <new> // std::bad_alloc
+
+namespace Cult
+{
+ namespace MM
+ {
+ typedef std::bad_alloc StdBadAlloc;
+
+ struct Exception: virtual EH::Exception {};
+
+ struct BadAlloc: virtual Exception, StdBadAlloc {};
+
+ //@@ who uses this?
+ //
+ struct SelfAssignment: virtual Exception {};
+
+ struct NullPointer : virtual Exception {};
+ }
+}
+
+#endif // CULT_MM_EXCEPTIONS_HXX