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// cxxabi.h subset for cancellation -*- C++ -*- |
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// Copyright (C) 2007-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of GCC. |
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// |
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// GCC is free software; you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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// |
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// GCC is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// |
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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/** @file bits/cxxabi_forced.h |
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* This is an internal header file, included by other library headers. |
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* Do not attempt to use it directly. @headername{cxxabi.h} |
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*/ |
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#ifndef _CXXABI_FORCED_H |
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#define _CXXABI_FORCED_H 1 |
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#pragma GCC system_header |
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#pragma GCC visibility push(default) |
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#ifdef __cplusplus |
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namespace __cxxabiv1 |
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{ |
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/** |
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* @brief Thrown as part of forced unwinding. |
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* @ingroup exceptions |
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* |
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* A magic placeholder class that can be caught by reference to |
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* recognize forced unwinding. |
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*/ |
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class __forced_unwind |
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{ |
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virtual ~__forced_unwind() throw(); |
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// Prevent catch by value. |
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virtual void __pure_dummy() = 0; |
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}; |
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} |
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#endif // __cplusplus |
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#pragma GCC visibility pop |
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#endif // __CXXABI_FORCED_H |
