*** mapped_file.cpp.orig	Thu Oct 20 13:56:12 2005
--- mapped_file.cpp	Thu Oct 20 13:56:41 2005
***************
*** 289,295 ****
      if (impl.handle_ != 0)
          ::close(impl.handle_);
      impl.clear(true);
!     throw_system_failure("failed getting file size");
  }
  
  } // End namespace detail.
--- 289,295 ----
      if (impl.handle_ != 0)
          ::close(impl.handle_);
      impl.clear(true);
!     throw_system_failure(msg);
  }
  
  } // End namespace detail.