eh_terminate.cc revision 97403 
1// -*- C++ -*- std::terminate, std::unexpected and friends.
2// Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
3// Free Software Foundation
4//
5// This file is part of GNU CC.
6//
7// GNU CC 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 2, or (at your option)
10// any later version.
11//
12// GNU CC 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// You should have received a copy of the GNU General Public License
18// along with GNU CC; see the file COPYING.  If not, write to
19// the Free Software Foundation, 59 Temple Place - Suite 330,
20// Boston, MA 02111-1307, USA.
21
22// As a special exception, you may use this file as part of a free software
23// library without restriction.  Specifically, if other files instantiate
24// templates or use macros or inline functions from this file, or you compile
25// this file and link it with other files to produce an executable, this
26// file does not by itself cause the resulting executable to be covered by
27// the GNU General Public License.  This exception does not however
28// invalidate any other reasons why the executable file might be covered by
29// the GNU General Public License.
30
31#include "typeinfo"
32#include "exception"
33#include <cstdlib>
34#include "unwind-cxx.h"
35#include "exception_defines.h"
36
37using namespace __cxxabiv1;
38
39/* The current installed user handlers.  */
40std::terminate_handler __cxxabiv1::__terminate_handler = std::abort;
41std::unexpected_handler __cxxabiv1::__unexpected_handler = std::terminate;
42
43void
44__cxxabiv1::__terminate (std::terminate_handler handler)
45{
46  try {
47    handler ();
48    std::abort ();
49  } catch (...) {
50    std::abort ();
51  }
52}
53
54void
55std::terminate ()
56{
57  __terminate (__terminate_handler);
58}
59
60void
61__cxxabiv1::__unexpected (std::unexpected_handler handler)
62{
63  handler();
64  std::terminate ();
65}
66
67void
68std::unexpected ()
69{
70  __unexpected (__unexpected_handler);
71}
72
73std::terminate_handler
74std::set_terminate (std::terminate_handler func) throw()
75{
76  std::terminate_handler old = __terminate_handler;
77  __terminate_handler = func;
78  return old;
79}
80
81std::unexpected_handler
82std::set_unexpected (std::unexpected_handler func) throw()
83{
84  std::unexpected_handler old = __unexpected_handler;
85  __unexpected_handler = func;
86  return old;
87}
88