libstdc++
cxxabi-forced.h
1 // cxxabi.h subset for inclusion by other library headers -*- C++ -*-
2 
3 // Copyright (C) 2007, 2009 Free Software Foundation, Inc.
4 //
5 // This file is part of GCC.
6 //
7 // GCC is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11 //
12 // GCC is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 //
17 // Under Section 7 of GPL version 3, you are granted additional
18 // permissions described in the GCC Runtime Library Exception, version
19 // 3.1, as published by the Free Software Foundation.
20 
21 // You should have received a copy of the GNU General Public License and
22 // a copy of the GCC Runtime Library Exception along with this program;
23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 // <http://www.gnu.org/licenses/>.
25 
26 #ifndef _CXXABI_FORCED_H
27 #define _CXXABI_FORCED_H 1
28 
29 #pragma GCC visibility push(default)
30 
31 #ifdef __cplusplus
32 namespace __cxxabiv1
33 {
34  /**
35  * @brief Thrown as part of forced unwinding.
36  * @ingroup exceptions
37  *
38  * A magic placeholder class that can be caught by reference to
39  * recognize forced unwinding.
40  */
42  {
43  virtual ~__forced_unwind() throw();
44  virtual void __pure_dummy() = 0; // prevent catch by value
45  };
46 }
47 #endif // __cplusplus
48 
49 #pragma GCC visibility pop
50 
51 #endif // __CXXABI_FORCED_H
Thrown as part of forced unwinding.A magic placeholder class that can be caught by reference to recog...
Definition: cxxabi-forced.h:41