# cxxabi-forced.h

    00001 // cxxabi.h subset for inclusion by other library headers -*- C++ -*-
    00002
    00003 // Copyright (C) 2007, 2009 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional
    00018 // permissions described in the GCC Runtime Library Exception, version
    00019 // 3.1, as published by the Free Software Foundation.
    00020
    00021 // You should have received a copy of the GNU General Public License and
    00022 // a copy of the GCC Runtime Library Exception along with this program;
    00023 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    00024 // <http://www.gnu.org/licenses/>.
    00025
    00026 #ifndef _CXXABI_FORCED_H
    00027 #define _CXXABI_FORCED_H 1
    00028
    00029 #pragma GCC visibility push(default)
    00030
    00031 #ifdef __cplusplus
    00032 namespace __cxxabiv1
    00033 {
    00034   /**
    00035    *  @brief Thrown as part of forced unwinding.
    00036    *  @ingroup exceptions
    00037    *
    00038    *  A magic placeholder class that can be caught by reference to
    00039    *  recognize forced unwinding.
    00040    */
    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