gcc/libstdc++-v3/libsupc++/cxxabi-forced.h

52 lines
1.8 KiB
C++

// cxxabi.h subset for inclusion by other library headers -*- C++ -*-
// Copyright (C) 2007 Free Software Foundation, Inc.
//
// This file is part of GCC.
//
// GCC is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// GCC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING. If not, write to
// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301, USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#ifndef _CXXABI_FORCED_H
#define _CXXABI_FORCED_H 1
#pragma GCC visibility push(default)
#ifdef __cplusplus
namespace __cxxabiv1
{
// A magic placeholder class that can be caught by reference
// to recognize forced unwinding.
class __forced_unwind
{
virtual ~__forced_unwind() throw();
virtual void __pure_dummy() = 0; // prevent catch by value
};
}
#endif // __cplusplus
#pragma GCC visibility pop
#endif // __CXXABI_FORCED_H