cxxabi-forced.h

00001 // cxxabi.h subset for inclusion by other library headers -*- C++ -*-
00002   
00003 // Copyright (C) 2007 Free Software Foundation, Inc.
00004 //
00005 // This file is part of GCC.
00006 //
00007 // GCC is free software; you can redistribute it and/or modify
00008 // it under the terms of the GNU General Public License as published by
00009 // the Free Software Foundation; either version 2, or (at your option)
00010 // any later version.
00011 // 
00012 // GCC 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
00015 // GNU General Public License for more details.
00016 // 
00017 // You should have received a copy of the GNU General Public License
00018 // along with GCC; see the file COPYING.  If not, write to
00019 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
00020 // Boston, MA 02110-1301, USA.
00021 
00022 // As a special exception, you may use this file as part of a free software
00023 // library without restriction.  Specifically, if other files instantiate
00024 // templates or use macros or inline functions from this file, or you compile
00025 // this file and link it with other files to produce an executable, this
00026 // file does not by itself cause the resulting executable to be covered by
00027 // the GNU General Public License.  This exception does not however
00028 // invalidate any other reasons why the executable file might be covered by
00029 // the GNU General Public License.
00030 
00031 #ifndef _CXXABI_FORCED_H
00032 #define _CXXABI_FORCED_H 1
00033 
00034 #pragma GCC visibility push(default)
00035 
00036 #ifdef __cplusplus
00037 namespace __cxxabiv1
00038 {  
00039   // A magic placeholder class that can be caught by reference
00040   // to recognize forced unwinding.
00041   class __forced_unwind
00042   {
00043     virtual ~__forced_unwind() throw();
00044     virtual void __pure_dummy() = 0; // prevent catch by value
00045   };
00046 }
00047 #endif // __cplusplus
00048 
00049 #pragma GCC visibility pop
00050 
00051 #endif // __CXXABI_FORCED_H 

Generated on Fri Jan 23 20:12:11 2009 for libstdc++ by  doxygen 1.5.6