sigx++ 2.0.1
bad_dispatcher.h
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00001 #ifndef _SIGX_BAD_DISPATCHER_HPP_
00002 #define _SIGX_BAD_DISPATCHER_HPP_
00003 
00004 /*
00005  * Copyright 2006 Klaus Triendl
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Library General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00015  * Library General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Library General Public
00018  * License along with this library; if not, write to the Free 
00019  * Software Foundation, 51 Franklin Street, Fifth Floor, 
00020  * Boston, MA 02110-1301, USA.
00021 */
00022 
00023 #include <exception>
00024 
00025 
00026 namespace sigx
00027 {
00028 
00029 class bad_dispatcher: public std::exception//, public operator_new
00030 {
00031 public:
00032     bad_dispatcher(): std::exception()
00033     {}
00034 
00035     // virtuals from std::exception
00036     virtual const char* what() const throw();
00037 };
00038 
00039 
00043 template<typename T_return>
00044 struct bad_dispatcher_catcher
00045 {
00046     T_return operator ()() const
00047     {
00048         try
00049         { throw; }
00050         catch (const ::sigx::bad_dispatcher&)
00051         {}
00052         return T_return();
00053     }
00054 };
00055 
00056 
00057 } // namespace sigx
00058 
00059 
00060 #endif // end file guard