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 | #ifndef _NEW |
35 | #define _NEW |
36 | |
37 | #pragma GCC system_header |
38 | |
39 | #include <bits/c++config.h> |
40 | #include <exception> |
41 | |
42 | #pragma GCC visibility push(default) |
43 | |
44 | extern "C++" { |
45 | |
46 | namespace std |
47 | { |
48 | |
49 | |
50 | |
51 | |
52 | |
53 | |
54 | class bad_alloc : public exception |
55 | { |
56 | public: |
57 | bad_alloc() throw() { } |
58 | |
59 | |
60 | |
61 | virtual ~bad_alloc() throw(); |
62 | |
63 | |
64 | virtual const char* what() const throw(); |
65 | }; |
66 | |
67 | #if __cplusplus >= 201103L |
68 | class bad_array_new_length : public bad_alloc |
69 | { |
70 | public: |
71 | bad_array_new_length() throw() { }; |
72 | |
73 | |
74 | |
75 | virtual ~bad_array_new_length() throw(); |
76 | |
77 | |
78 | virtual const char* what() const throw(); |
79 | }; |
80 | #endif |
81 | |
82 | #if __cpp_aligned_new |
83 | enum class align_val_t: size_t {}; |
84 | #endif |
85 | |
86 | struct nothrow_t |
87 | { |
88 | #if __cplusplus >= 201103L |
89 | explicit nothrow_t() = default; |
90 | #endif |
91 | }; |
92 | |
93 | extern const nothrow_t nothrow; |
94 | |
95 | |
96 | |
97 | typedef void (*new_handler)(); |
98 | |
99 | |
100 | |
101 | new_handler set_new_handler(new_handler) throw(); |
102 | |
103 | #if __cplusplus >= 201103L |
104 | |
105 | new_handler get_new_handler() noexcept; |
106 | #endif |
107 | } |
108 | |
109 | |
110 | |
111 | |
112 | |
113 | |
114 | |
115 | |
116 | |
117 | |
118 | |
119 | |
120 | void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc) |
121 | __attribute__((__externally_visible__)); |
122 | void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc) |
123 | __attribute__((__externally_visible__)); |
124 | void operator delete(void*) _GLIBCXX_USE_NOEXCEPT |
125 | __attribute__((__externally_visible__)); |
126 | void operator delete[](void*) _GLIBCXX_USE_NOEXCEPT |
127 | __attribute__((__externally_visible__)); |
128 | #if __cpp_sized_deallocation |
129 | void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT |
130 | __attribute__((__externally_visible__)); |
131 | void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT |
132 | __attribute__((__externally_visible__)); |
133 | #endif |
134 | void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT |
135 | __attribute__((__externally_visible__)); |
136 | void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT |
137 | __attribute__((__externally_visible__)); |
138 | void operator delete(void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT |
139 | __attribute__((__externally_visible__)); |
140 | void operator delete[](void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT |
141 | __attribute__((__externally_visible__)); |
142 | #if __cpp_aligned_new |
143 | void* operator new(std::size_t, std::align_val_t) |
144 | __attribute__((__externally_visible__)); |
145 | void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&) |
146 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
147 | void operator delete(void*, std::align_val_t) |
148 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
149 | void operator delete(void*, std::align_val_t, const std::nothrow_t&) |
150 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
151 | void* operator new[](std::size_t, std::align_val_t) |
152 | __attribute__((__externally_visible__)); |
153 | void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&) |
154 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
155 | void operator delete[](void*, std::align_val_t) |
156 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
157 | void operator delete[](void*, std::align_val_t, const std::nothrow_t&) |
158 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
159 | #if __cpp_sized_deallocation |
160 | void operator delete(void*, std::size_t, std::align_val_t) |
161 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
162 | void operator delete[](void*, std::size_t, std::align_val_t) |
163 | _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); |
164 | #endif |
165 | #endif |
166 | |
167 | |
168 | inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT |
169 | { return __p; } |
170 | inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT |
171 | { return __p; } |
172 | |
173 | |
174 | inline void operator delete (void*, void*) _GLIBCXX_USE_NOEXCEPT { } |
175 | inline void operator delete[](void*, void*) _GLIBCXX_USE_NOEXCEPT { } |
176 | |
177 | } |
178 | |
179 | #if __cplusplus > 201402L |
180 | #if __GNUC__ >= 7 |
181 | # define _GLIBCXX_HAVE_BUILTIN_LAUNDER 1 |
182 | #elif defined __has_builtin |
183 | |
184 | # if __has_builtin(__builtin_launder) |
185 | # define _GLIBCXX_HAVE_BUILTIN_LAUNDER 1 |
186 | # endif |
187 | #endif |
188 | |
189 | #ifdef _GLIBCXX_HAVE_BUILTIN_LAUNDER |
190 | namespace std |
191 | { |
192 | #define __cpp_lib_launder 201606 |
193 | |
194 | template<typename _Tp> |
195 | constexpr _Tp* |
196 | launder(_Tp* __p) noexcept |
197 | { return __builtin_launder(__p); } |
198 | |
199 | |
200 | |
201 | |
202 | template<typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM> |
203 | void launder(_Ret (*)(_Args...) _GLIBCXX_NOEXCEPT_QUAL) = delete; |
204 | template<typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM> |
205 | void launder(_Ret (*)(_Args......) _GLIBCXX_NOEXCEPT_QUAL) = delete; |
206 | |
207 | void launder(void*) = delete; |
208 | void launder(const void*) = delete; |
209 | void launder(volatile void*) = delete; |
210 | void launder(const volatile void*) = delete; |
211 | } |
212 | #endif |
213 | #undef _GLIBCXX_HAVE_BUILTIN_LAUNDER |
214 | #endif |
215 | |
216 | #pragma GCC visibility pop |
217 | |
218 | #endif |
219 | |