1 // -*- C++ -*- std::terminate, std::unexpected and friends.
2 // Copyright (C) 1994-2013 Free Software Foundation, Inc.
3 //
4 // This file is part of GCC.
5 //
6 // GCC is free software; you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
8 // the Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 //
11 // GCC is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU General Public License for more details.
15 //
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 #include "typeinfo"
26 #include "exception"
27 #include <cstdlib>
28 #include "unwind-cxx.h"
29 #include <bits/exception_defines.h>
30 
31 using namespace __cxxabiv1;
32 
33 void
__terminate(std::terminate_handler handler)34 __cxxabiv1::__terminate (std::terminate_handler handler) throw ()
35 {
36   __try
37     {
38       handler ();
39       std::abort ();
40     }
41   __catch(...)
42     { std::abort (); }
43 }
44 
45 void
terminate()46 std::terminate () throw()
47 {
48   __terminate (__terminate_handler);
49 }
50 
51 void
__unexpected(std::unexpected_handler handler)52 __cxxabiv1::__unexpected (std::unexpected_handler handler)
53 {
54   handler();
55   std::terminate ();
56 }
57 
58 void
unexpected()59 std::unexpected ()
60 {
61   __unexpected (__unexpected_handler);
62 }
63 
64 std::terminate_handler
set_terminate(std::terminate_handler func)65 std::set_terminate (std::terminate_handler func) throw()
66 {
67   std::terminate_handler old = __terminate_handler;
68   __terminate_handler = func;
69   return old;
70 }
71 
72 std::unexpected_handler
set_unexpected(std::unexpected_handler func)73 std::set_unexpected (std::unexpected_handler func) throw()
74 {
75   std::unexpected_handler old = __unexpected_handler;
76   __unexpected_handler = func;
77   return old;
78 }
79