ceph/src/boost/libs/signals2/include/boost/signals2/expired_slot.hpp

   1 // Boost.Signals2 library
   2
   3 // Copyright Frank Mori Hess 2007-2010.
   4 // Use, modification and
   5 // distribution is subject to the Boost Software License, Version
   6 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 // For more information, see http://www.boost.org
  10
  11 #ifndef BOOST_SIGNALS2_EXPIRED_SLOT_HPP
  12 #define BOOST_SIGNALS2_EXPIRED_SLOT_HPP
  13
  14 #include <boost/smart_ptr/bad_weak_ptr.hpp>
  15
  16 namespace boost
  17 {
  18   namespace signals2
  19   {
  20     class expired_slot: public bad_weak_ptr
  21     {
  22     public:
  23       virtual char const * what() const throw()
  24       {
  25         return "boost::signals2::expired_slot";
  26       }
  27     };
  28   }
  29 } // end namespace boost
  30
  31 #endif // BOOST_SIGNALS2_EXPIRED_SLOT_HPP