blob: 6ebaeee2a5163706d0f1886ed2d320296c15c7c1 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <cstdio>
#include "../../include/atomic_support.h"
namespace std {
_LIBCPP_SAFE_STATIC static std::terminate_handler __terminate_handler;
_LIBCPP_SAFE_STATIC static std::unexpected_handler __unexpected_handler;
// libcxxrt provides implementations of these functions itself.
unexpected_handler
set_unexpected(unexpected_handler func) noexcept
{
return __libcpp_atomic_exchange(&__unexpected_handler, func);
}
unexpected_handler
get_unexpected() noexcept
{
return __libcpp_atomic_load(&__unexpected_handler);
}
_LIBCPP_NORETURN
void unexpected()
{
(*get_unexpected())();
// unexpected handler should not return
terminate();
}
terminate_handler
set_terminate(terminate_handler func) noexcept
{
return __libcpp_atomic_exchange(&__terminate_handler, func);
}
terminate_handler
get_terminate() noexcept
{
return __libcpp_atomic_load(&__terminate_handler);
}
_LIBCPP_NORETURN
void
terminate() noexcept
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
(*get_terminate())();
// handler should not return
fprintf(stderr, "terminate_handler unexpectedly returned\n");
::abort();
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
// handler should not throw exception
fprintf(stderr, "terminate_handler unexpectedly threw an exception\n");
::abort();
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }
int uncaught_exceptions() noexcept
{
#warning uncaught_exception not yet implemented
fprintf(stderr, "uncaught_exceptions not yet implemented\n");
::abort();
}
exception::~exception() noexcept
{
}
const char* exception::what() const noexcept
{
return "std::exception";
}
bad_exception::~bad_exception() noexcept
{
}
const char* bad_exception::what() const noexcept
{
return "std::bad_exception";
}
bad_alloc::bad_alloc() noexcept
{
}
bad_alloc::~bad_alloc() noexcept
{
}
const char*
bad_alloc::what() const noexcept
{
return "std::bad_alloc";
}
bad_array_new_length::bad_array_new_length() noexcept
{
}
bad_array_new_length::~bad_array_new_length() noexcept
{
}
const char*
bad_array_new_length::what() const noexcept
{
return "bad_array_new_length";
}
bad_cast::bad_cast() noexcept
{
}
bad_typeid::bad_typeid() noexcept
{
}
bad_cast::~bad_cast() noexcept
{
}
const char*
bad_cast::what() const noexcept
{
return "std::bad_cast";
}
bad_typeid::~bad_typeid() noexcept
{
}
const char*
bad_typeid::what() const noexcept
{
return "std::bad_typeid";
}
} // namespace std
|
