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1 | // -*- C++ -*- header. |
2 | ||
c4ae9877 | 3 | // Copyright (C) 2008-2012 Free Software Foundation, Inc. |
d466a7e2 BK |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
d466a7e2 BK |
9 | // any later version. |
10 | ||
11 | // This library 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 | ||
748086b7 JJ |
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/>. | |
d466a7e2 | 24 | |
f910786b | 25 | /** @file include/atomic |
afd88205 | 26 | * This is a Standard C++ Library header. |
d466a7e2 BK |
27 | */ |
28 | ||
29 | // Based on "C++ Atomic Types and Operations" by Hans Boehm and Lawrence Crowl. | |
30 | // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2427.html | |
31 | ||
afd88205 BK |
32 | #ifndef _GLIBCXX_ATOMIC |
33 | #define _GLIBCXX_ATOMIC 1 | |
d466a7e2 BK |
34 | |
35 | #pragma GCC system_header | |
36 | ||
37 | #ifndef __GXX_EXPERIMENTAL_CXX0X__ | |
ab65a4c7 | 38 | # include <bits/c++0x_warning.h> |
d466a7e2 BK |
39 | #endif |
40 | ||
afd88205 | 41 | #include <bits/atomic_base.h> |
d466a7e2 | 42 | |
12ffa228 BK |
43 | namespace std _GLIBCXX_VISIBILITY(default) |
44 | { | |
45 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
d466a7e2 | 46 | |
5b9daa7e BK |
47 | /** |
48 | * @addtogroup atomics | |
49 | * @{ | |
50 | */ | |
51 | ||
94a86be0 BK |
52 | /// atomic_bool |
53 | // NB: No operators or fetch-operations for this type. | |
54 | struct atomic_bool | |
d466a7e2 | 55 | { |
94a86be0 BK |
56 | private: |
57 | __atomic_base<bool> _M_base; | |
58 | ||
59 | public: | |
bdc05efb PC |
60 | atomic_bool() noexcept = default; |
61 | ~atomic_bool() noexcept = default; | |
94a86be0 BK |
62 | atomic_bool(const atomic_bool&) = delete; |
63 | atomic_bool& operator=(const atomic_bool&) = delete; | |
64 | atomic_bool& operator=(const atomic_bool&) volatile = delete; | |
65 | ||
bdc05efb | 66 | constexpr atomic_bool(bool __i) noexcept : _M_base(__i) { } |
94a86be0 BK |
67 | |
68 | bool | |
bdc05efb | 69 | operator=(bool __i) noexcept |
94a86be0 BK |
70 | { return _M_base.operator=(__i); } |
71 | ||
bdc05efb | 72 | operator bool() const noexcept |
94a86be0 BK |
73 | { return _M_base.load(); } |
74 | ||
bdc05efb | 75 | operator bool() const volatile noexcept |
94a86be0 BK |
76 | { return _M_base.load(); } |
77 | ||
78 | bool | |
bdc05efb | 79 | is_lock_free() const noexcept { return _M_base.is_lock_free(); } |
94a86be0 BK |
80 | |
81 | bool | |
bdc05efb | 82 | is_lock_free() const volatile noexcept { return _M_base.is_lock_free(); } |
94a86be0 BK |
83 | |
84 | void | |
bdc05efb | 85 | store(bool __i, memory_order __m = memory_order_seq_cst) noexcept |
94a86be0 BK |
86 | { _M_base.store(__i, __m); } |
87 | ||
88 | void | |
bdc05efb | 89 | store(bool __i, memory_order __m = memory_order_seq_cst) volatile noexcept |
94a86be0 BK |
90 | { _M_base.store(__i, __m); } |
91 | ||
92 | bool | |
bdc05efb | 93 | load(memory_order __m = memory_order_seq_cst) const noexcept |
94a86be0 BK |
94 | { return _M_base.load(__m); } |
95 | ||
96 | bool | |
bdc05efb | 97 | load(memory_order __m = memory_order_seq_cst) const volatile noexcept |
94a86be0 BK |
98 | { return _M_base.load(__m); } |
99 | ||
100 | bool | |
bdc05efb | 101 | exchange(bool __i, memory_order __m = memory_order_seq_cst) noexcept |
94a86be0 BK |
102 | { return _M_base.exchange(__i, __m); } |
103 | ||
104 | bool | |
bdc05efb PC |
105 | exchange(bool __i, |
106 | memory_order __m = memory_order_seq_cst) volatile noexcept | |
94a86be0 BK |
107 | { return _M_base.exchange(__i, __m); } |
108 | ||
109 | bool | |
110 | compare_exchange_weak(bool& __i1, bool __i2, memory_order __m1, | |
bdc05efb | 111 | memory_order __m2) noexcept |
94a86be0 BK |
112 | { return _M_base.compare_exchange_weak(__i1, __i2, __m1, __m2); } |
113 | ||
114 | bool | |
115 | compare_exchange_weak(bool& __i1, bool __i2, memory_order __m1, | |
bdc05efb | 116 | memory_order __m2) volatile noexcept |
94a86be0 BK |
117 | { return _M_base.compare_exchange_weak(__i1, __i2, __m1, __m2); } |
118 | ||
119 | bool | |
120 | compare_exchange_weak(bool& __i1, bool __i2, | |
bdc05efb | 121 | memory_order __m = memory_order_seq_cst) noexcept |
94a86be0 BK |
122 | { return _M_base.compare_exchange_weak(__i1, __i2, __m); } |
123 | ||
124 | bool | |
125 | compare_exchange_weak(bool& __i1, bool __i2, | |
bdc05efb | 126 | memory_order __m = memory_order_seq_cst) volatile noexcept |
94a86be0 BK |
127 | { return _M_base.compare_exchange_weak(__i1, __i2, __m); } |
128 | ||
129 | bool | |
130 | compare_exchange_strong(bool& __i1, bool __i2, memory_order __m1, | |
bdc05efb | 131 | memory_order __m2) noexcept |
94a86be0 BK |
132 | { return _M_base.compare_exchange_strong(__i1, __i2, __m1, __m2); } |
133 | ||
134 | bool | |
135 | compare_exchange_strong(bool& __i1, bool __i2, memory_order __m1, | |
bdc05efb | 136 | memory_order __m2) volatile noexcept |
94a86be0 BK |
137 | { return _M_base.compare_exchange_strong(__i1, __i2, __m1, __m2); } |
138 | ||
139 | bool | |
140 | compare_exchange_strong(bool& __i1, bool __i2, | |
bdc05efb | 141 | memory_order __m = memory_order_seq_cst) noexcept |
94a86be0 BK |
142 | { return _M_base.compare_exchange_strong(__i1, __i2, __m); } |
143 | ||
144 | bool | |
145 | compare_exchange_strong(bool& __i1, bool __i2, | |
bdc05efb | 146 | memory_order __m = memory_order_seq_cst) volatile noexcept |
94a86be0 BK |
147 | { return _M_base.compare_exchange_strong(__i1, __i2, __m); } |
148 | }; | |
d466a7e2 | 149 | |
d466a7e2 | 150 | |
d632488a BK |
151 | /** |
152 | * @brief Generic atomic type, primary class template. | |
153 | * | |
154 | * @tparam _Tp Type to be made atomic, must be trivally copyable. | |
155 | */ | |
50ce8d3d BK |
156 | template<typename _Tp> |
157 | struct atomic | |
158 | { | |
159 | private: | |
160 | _Tp _M_i; | |
d466a7e2 | 161 | |
50ce8d3d | 162 | public: |
bdc05efb PC |
163 | atomic() noexcept = default; |
164 | ~atomic() noexcept = default; | |
50ce8d3d | 165 | atomic(const atomic&) = delete; |
94a86be0 | 166 | atomic& operator=(const atomic&) = delete; |
afd88205 | 167 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 168 | |
bdc05efb | 169 | constexpr atomic(_Tp __i) noexcept : _M_i(__i) { } |
d466a7e2 | 170 | |
86951993 AM |
171 | operator _Tp() const noexcept |
172 | { return load(); } | |
d466a7e2 | 173 | |
86951993 AM |
174 | operator _Tp() const volatile noexcept |
175 | { return load(); } | |
94a86be0 | 176 | |
afd88205 | 177 | _Tp |
86951993 AM |
178 | operator=(_Tp __i) noexcept |
179 | { store(__i); return __i; } | |
d466a7e2 | 180 | |
94a86be0 | 181 | _Tp |
86951993 AM |
182 | operator=(_Tp __i) volatile noexcept |
183 | { store(__i); return __i; } | |
94a86be0 BK |
184 | |
185 | bool | |
86951993 | 186 | is_lock_free() const noexcept |
c4ae9877 | 187 | { return __atomic_is_lock_free(sizeof(_M_i), nullptr); } |
94a86be0 | 188 | |
afd88205 | 189 | bool |
86951993 | 190 | is_lock_free() const volatile noexcept |
c4ae9877 | 191 | { return __atomic_is_lock_free(sizeof(_M_i), nullptr); } |
d466a7e2 | 192 | |
94a86be0 | 193 | void |
86951993 AM |
194 | store(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept |
195 | { __atomic_store(&_M_i, &__i, _m); } | |
94a86be0 | 196 | |
afd88205 | 197 | void |
86951993 AM |
198 | store(_Tp __i, memory_order _m = memory_order_seq_cst) volatile noexcept |
199 | { __atomic_store(&_M_i, &__i, _m); } | |
d466a7e2 | 200 | |
94a86be0 | 201 | _Tp |
86951993 AM |
202 | load(memory_order _m = memory_order_seq_cst) const noexcept |
203 | { | |
204 | _Tp tmp; | |
205 | __atomic_load(&_M_i, &tmp, _m); | |
206 | return tmp; | |
207 | } | |
94a86be0 | 208 | |
afd88205 | 209 | _Tp |
86951993 AM |
210 | load(memory_order _m = memory_order_seq_cst) const volatile noexcept |
211 | { | |
212 | _Tp tmp; | |
213 | __atomic_load(&_M_i, &tmp, _m); | |
214 | return tmp; | |
215 | } | |
d466a7e2 | 216 | |
94a86be0 | 217 | _Tp |
86951993 AM |
218 | exchange(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept |
219 | { | |
220 | _Tp tmp; | |
221 | __atomic_exchange(&_M_i, &__i, &tmp, _m); | |
222 | return tmp; | |
223 | } | |
94a86be0 | 224 | |
afd88205 | 225 | _Tp |
86951993 AM |
226 | exchange(_Tp __i, |
227 | memory_order _m = memory_order_seq_cst) volatile noexcept | |
228 | { | |
229 | _Tp tmp; | |
230 | __atomic_exchange(&_M_i, &__i, &tmp, _m); | |
231 | return tmp; | |
232 | } | |
d466a7e2 | 233 | |
94a86be0 | 234 | bool |
86951993 AM |
235 | compare_exchange_weak(_Tp& __e, _Tp __i, memory_order __s, |
236 | memory_order __f) noexcept | |
237 | { | |
238 | return __atomic_compare_exchange(&_M_i, &__e, &__i, true, __s, __f); | |
239 | } | |
94a86be0 | 240 | |
afd88205 | 241 | bool |
86951993 AM |
242 | compare_exchange_weak(_Tp& __e, _Tp __i, memory_order __s, |
243 | memory_order __f) volatile noexcept | |
244 | { | |
245 | return __atomic_compare_exchange(&_M_i, &__e, &__i, true, __s, __f); | |
246 | } | |
d466a7e2 | 247 | |
afd88205 | 248 | bool |
86951993 AM |
249 | compare_exchange_weak(_Tp& __e, _Tp __i, |
250 | memory_order __m = memory_order_seq_cst) noexcept | |
251 | { return compare_exchange_weak(__e, __i, __m, __m); } | |
d466a7e2 | 252 | |
afd88205 | 253 | bool |
86951993 AM |
254 | compare_exchange_weak(_Tp& __e, _Tp __i, |
255 | memory_order __m = memory_order_seq_cst) volatile noexcept | |
256 | { return compare_exchange_weak(__e, __i, __m, __m); } | |
d466a7e2 | 257 | |
94a86be0 | 258 | bool |
86951993 AM |
259 | compare_exchange_strong(_Tp& __e, _Tp __i, memory_order __s, |
260 | memory_order __f) noexcept | |
261 | { | |
262 | return __atomic_compare_exchange(&_M_i, &__e, &__i, false, __s, __f); | |
263 | } | |
94a86be0 BK |
264 | |
265 | bool | |
86951993 AM |
266 | compare_exchange_strong(_Tp& __e, _Tp __i, memory_order __s, |
267 | memory_order __f) volatile noexcept | |
268 | { | |
269 | return __atomic_compare_exchange(&_M_i, &__e, &__i, false, __s, __f); | |
270 | } | |
94a86be0 BK |
271 | |
272 | bool | |
86951993 AM |
273 | compare_exchange_strong(_Tp& __e, _Tp __i, |
274 | memory_order __m = memory_order_seq_cst) noexcept | |
275 | { return compare_exchange_strong(__e, __i, __m, __m); } | |
94a86be0 | 276 | |
afd88205 | 277 | bool |
86951993 AM |
278 | compare_exchange_strong(_Tp& __e, _Tp __i, |
279 | memory_order __m = memory_order_seq_cst) volatile noexcept | |
280 | { return compare_exchange_strong(__e, __i, __m, __m); } | |
50ce8d3d | 281 | }; |
d466a7e2 | 282 | |
d466a7e2 | 283 | |
50ce8d3d | 284 | /// Partial specialization for pointer types. |
afd88205 | 285 | template<typename _Tp> |
036e0d4f | 286 | struct atomic<_Tp*> |
50ce8d3d | 287 | { |
036e0d4f BK |
288 | typedef _Tp* __pointer_type; |
289 | typedef __atomic_base<_Tp*> __base_type; | |
290 | __base_type _M_b; | |
291 | ||
bdc05efb PC |
292 | atomic() noexcept = default; |
293 | ~atomic() noexcept = default; | |
50ce8d3d | 294 | atomic(const atomic&) = delete; |
036e0d4f | 295 | atomic& operator=(const atomic&) = delete; |
afd88205 | 296 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 297 | |
bdc05efb | 298 | constexpr atomic(__pointer_type __p) noexcept : _M_b(__p) { } |
94a86be0 | 299 | |
bdc05efb | 300 | operator __pointer_type() const noexcept |
036e0d4f | 301 | { return __pointer_type(_M_b); } |
d466a7e2 | 302 | |
bdc05efb | 303 | operator __pointer_type() const volatile noexcept |
036e0d4f | 304 | { return __pointer_type(_M_b); } |
d466a7e2 | 305 | |
036e0d4f | 306 | __pointer_type |
bdc05efb | 307 | operator=(__pointer_type __p) noexcept |
036e0d4f | 308 | { return _M_b.operator=(__p); } |
d466a7e2 | 309 | |
036e0d4f | 310 | __pointer_type |
bdc05efb | 311 | operator=(__pointer_type __p) volatile noexcept |
036e0d4f | 312 | { return _M_b.operator=(__p); } |
94a86be0 | 313 | |
036e0d4f | 314 | __pointer_type |
bdc05efb | 315 | operator++(int) noexcept |
036e0d4f | 316 | { return _M_b++; } |
94a86be0 | 317 | |
036e0d4f | 318 | __pointer_type |
bdc05efb | 319 | operator++(int) volatile noexcept |
036e0d4f | 320 | { return _M_b++; } |
d466a7e2 | 321 | |
036e0d4f | 322 | __pointer_type |
bdc05efb | 323 | operator--(int) noexcept |
036e0d4f | 324 | { return _M_b--; } |
d466a7e2 | 325 | |
036e0d4f | 326 | __pointer_type |
bdc05efb | 327 | operator--(int) volatile noexcept |
036e0d4f | 328 | { return _M_b--; } |
d466a7e2 | 329 | |
036e0d4f | 330 | __pointer_type |
bdc05efb | 331 | operator++() noexcept |
036e0d4f | 332 | { return ++_M_b; } |
d466a7e2 | 333 | |
036e0d4f | 334 | __pointer_type |
bdc05efb | 335 | operator++() volatile noexcept |
036e0d4f | 336 | { return ++_M_b; } |
94a86be0 | 337 | |
036e0d4f | 338 | __pointer_type |
bdc05efb | 339 | operator--() noexcept |
036e0d4f | 340 | { return --_M_b; } |
94a86be0 | 341 | |
036e0d4f | 342 | __pointer_type |
bdc05efb | 343 | operator--() volatile noexcept |
036e0d4f BK |
344 | { return --_M_b; } |
345 | ||
346 | __pointer_type | |
bdc05efb | 347 | operator+=(ptrdiff_t __d) noexcept |
036e0d4f BK |
348 | { return _M_b.operator+=(__d); } |
349 | ||
350 | __pointer_type | |
bdc05efb | 351 | operator+=(ptrdiff_t __d) volatile noexcept |
036e0d4f BK |
352 | { return _M_b.operator+=(__d); } |
353 | ||
354 | __pointer_type | |
bdc05efb | 355 | operator-=(ptrdiff_t __d) noexcept |
036e0d4f BK |
356 | { return _M_b.operator-=(__d); } |
357 | ||
358 | __pointer_type | |
bdc05efb | 359 | operator-=(ptrdiff_t __d) volatile noexcept |
036e0d4f | 360 | { return _M_b.operator-=(__d); } |
94a86be0 | 361 | |
afd88205 | 362 | bool |
bdc05efb | 363 | is_lock_free() const noexcept |
036e0d4f | 364 | { return _M_b.is_lock_free(); } |
d466a7e2 | 365 | |
94a86be0 | 366 | bool |
bdc05efb | 367 | is_lock_free() const volatile noexcept |
036e0d4f BK |
368 | { return _M_b.is_lock_free(); } |
369 | ||
370 | void | |
bdc05efb PC |
371 | store(__pointer_type __p, |
372 | memory_order __m = memory_order_seq_cst) noexcept | |
036e0d4f BK |
373 | { return _M_b.store(__p, __m); } |
374 | ||
375 | void | |
376 | store(__pointer_type __p, | |
bdc05efb | 377 | memory_order __m = memory_order_seq_cst) volatile noexcept |
036e0d4f | 378 | { return _M_b.store(__p, __m); } |
94a86be0 | 379 | |
036e0d4f | 380 | __pointer_type |
bdc05efb | 381 | load(memory_order __m = memory_order_seq_cst) const noexcept |
036e0d4f | 382 | { return _M_b.load(__m); } |
d466a7e2 | 383 | |
036e0d4f | 384 | __pointer_type |
bdc05efb | 385 | load(memory_order __m = memory_order_seq_cst) const volatile noexcept |
036e0d4f | 386 | { return _M_b.load(__m); } |
94a86be0 | 387 | |
036e0d4f | 388 | __pointer_type |
bdc05efb PC |
389 | exchange(__pointer_type __p, |
390 | memory_order __m = memory_order_seq_cst) noexcept | |
036e0d4f | 391 | { return _M_b.exchange(__p, __m); } |
d466a7e2 | 392 | |
036e0d4f BK |
393 | __pointer_type |
394 | exchange(__pointer_type __p, | |
bdc05efb | 395 | memory_order __m = memory_order_seq_cst) volatile noexcept |
036e0d4f | 396 | { return _M_b.exchange(__p, __m); } |
94a86be0 | 397 | |
036e0d4f BK |
398 | bool |
399 | compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb | 400 | memory_order __m1, memory_order __m2) noexcept |
036e0d4f | 401 | { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); } |
d466a7e2 | 402 | |
036e0d4f BK |
403 | bool |
404 | compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb PC |
405 | memory_order __m1, |
406 | memory_order __m2) volatile noexcept | |
036e0d4f | 407 | { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); } |
94a86be0 | 408 | |
036e0d4f BK |
409 | bool |
410 | compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb | 411 | memory_order __m = memory_order_seq_cst) noexcept |
afd88205 | 412 | { |
036e0d4f | 413 | return compare_exchange_weak(__p1, __p2, __m, |
3d0c32fe | 414 | __cmpexch_failure_order(__m)); |
50ce8d3d | 415 | } |
d466a7e2 | 416 | |
036e0d4f BK |
417 | bool |
418 | compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb | 419 | memory_order __m = memory_order_seq_cst) volatile noexcept |
94a86be0 | 420 | { |
036e0d4f | 421 | return compare_exchange_weak(__p1, __p2, __m, |
3d0c32fe | 422 | __cmpexch_failure_order(__m)); |
94a86be0 BK |
423 | } |
424 | ||
036e0d4f BK |
425 | bool |
426 | compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb | 427 | memory_order __m1, memory_order __m2) noexcept |
036e0d4f | 428 | { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); } |
d466a7e2 | 429 | |
036e0d4f BK |
430 | bool |
431 | compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb PC |
432 | memory_order __m1, |
433 | memory_order __m2) volatile noexcept | |
036e0d4f | 434 | { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); } |
94a86be0 | 435 | |
036e0d4f BK |
436 | bool |
437 | compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb | 438 | memory_order __m = memory_order_seq_cst) noexcept |
036e0d4f BK |
439 | { |
440 | return _M_b.compare_exchange_strong(__p1, __p2, __m, | |
3d0c32fe | 441 | __cmpexch_failure_order(__m)); |
036e0d4f | 442 | } |
d466a7e2 | 443 | |
036e0d4f BK |
444 | bool |
445 | compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2, | |
bdc05efb | 446 | memory_order __m = memory_order_seq_cst) volatile noexcept |
036e0d4f BK |
447 | { |
448 | return _M_b.compare_exchange_strong(__p1, __p2, __m, | |
3d0c32fe | 449 | __cmpexch_failure_order(__m)); |
036e0d4f | 450 | } |
94a86be0 | 451 | |
036e0d4f | 452 | __pointer_type |
bdc05efb PC |
453 | fetch_add(ptrdiff_t __d, |
454 | memory_order __m = memory_order_seq_cst) noexcept | |
036e0d4f | 455 | { return _M_b.fetch_add(__d, __m); } |
d466a7e2 | 456 | |
036e0d4f BK |
457 | __pointer_type |
458 | fetch_add(ptrdiff_t __d, | |
bdc05efb | 459 | memory_order __m = memory_order_seq_cst) volatile noexcept |
036e0d4f | 460 | { return _M_b.fetch_add(__d, __m); } |
94a86be0 | 461 | |
036e0d4f | 462 | __pointer_type |
bdc05efb PC |
463 | fetch_sub(ptrdiff_t __d, |
464 | memory_order __m = memory_order_seq_cst) noexcept | |
036e0d4f | 465 | { return _M_b.fetch_sub(__d, __m); } |
d466a7e2 | 466 | |
036e0d4f BK |
467 | __pointer_type |
468 | fetch_sub(ptrdiff_t __d, | |
bdc05efb | 469 | memory_order __m = memory_order_seq_cst) volatile noexcept |
036e0d4f | 470 | { return _M_b.fetch_sub(__d, __m); } |
50ce8d3d | 471 | }; |
d466a7e2 | 472 | |
036e0d4f | 473 | |
50ce8d3d | 474 | /// Explicit specialization for bool. |
afd88205 | 475 | template<> |
50ce8d3d BK |
476 | struct atomic<bool> : public atomic_bool |
477 | { | |
478 | typedef bool __integral_type; | |
479 | typedef atomic_bool __base_type; | |
d466a7e2 | 480 | |
bdc05efb PC |
481 | atomic() noexcept = default; |
482 | ~atomic() noexcept = default; | |
50ce8d3d | 483 | atomic(const atomic&) = delete; |
94a86be0 | 484 | atomic& operator=(const atomic&) = delete; |
afd88205 | 485 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 486 | |
bdc05efb | 487 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 488 | |
50ce8d3d BK |
489 | using __base_type::operator __integral_type; |
490 | using __base_type::operator=; | |
491 | }; | |
d466a7e2 | 492 | |
50ce8d3d | 493 | /// Explicit specialization for char. |
afd88205 | 494 | template<> |
50ce8d3d BK |
495 | struct atomic<char> : public atomic_char |
496 | { | |
497 | typedef char __integral_type; | |
498 | typedef atomic_char __base_type; | |
d466a7e2 | 499 | |
bdc05efb PC |
500 | atomic() noexcept = default; |
501 | ~atomic() noexcept = default; | |
50ce8d3d | 502 | atomic(const atomic&) = delete; |
94a86be0 | 503 | atomic& operator=(const atomic&) = delete; |
afd88205 | 504 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 505 | |
bdc05efb | 506 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 507 | |
50ce8d3d BK |
508 | using __base_type::operator __integral_type; |
509 | using __base_type::operator=; | |
510 | }; | |
d466a7e2 | 511 | |
50ce8d3d | 512 | /// Explicit specialization for signed char. |
afd88205 | 513 | template<> |
50ce8d3d | 514 | struct atomic<signed char> : public atomic_schar |
afd88205 | 515 | { |
50ce8d3d BK |
516 | typedef signed char __integral_type; |
517 | typedef atomic_schar __base_type; | |
d466a7e2 | 518 | |
bdc05efb PC |
519 | atomic() noexcept= default; |
520 | ~atomic() noexcept = default; | |
50ce8d3d | 521 | atomic(const atomic&) = delete; |
94a86be0 | 522 | atomic& operator=(const atomic&) = delete; |
afd88205 | 523 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 524 | |
bdc05efb | 525 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 526 | |
50ce8d3d BK |
527 | using __base_type::operator __integral_type; |
528 | using __base_type::operator=; | |
529 | }; | |
d466a7e2 | 530 | |
50ce8d3d | 531 | /// Explicit specialization for unsigned char. |
afd88205 | 532 | template<> |
50ce8d3d BK |
533 | struct atomic<unsigned char> : public atomic_uchar |
534 | { | |
535 | typedef unsigned char __integral_type; | |
536 | typedef atomic_uchar __base_type; | |
d466a7e2 | 537 | |
bdc05efb PC |
538 | atomic() noexcept= default; |
539 | ~atomic() noexcept = default; | |
50ce8d3d | 540 | atomic(const atomic&) = delete; |
94a86be0 | 541 | atomic& operator=(const atomic&) = delete; |
afd88205 | 542 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 543 | |
bdc05efb | 544 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 545 | |
50ce8d3d BK |
546 | using __base_type::operator __integral_type; |
547 | using __base_type::operator=; | |
548 | }; | |
d466a7e2 | 549 | |
50ce8d3d | 550 | /// Explicit specialization for short. |
afd88205 | 551 | template<> |
50ce8d3d BK |
552 | struct atomic<short> : public atomic_short |
553 | { | |
554 | typedef short __integral_type; | |
555 | typedef atomic_short __base_type; | |
d466a7e2 | 556 | |
bdc05efb PC |
557 | atomic() noexcept = default; |
558 | ~atomic() noexcept = default; | |
50ce8d3d | 559 | atomic(const atomic&) = delete; |
94a86be0 | 560 | atomic& operator=(const atomic&) = delete; |
afd88205 | 561 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 562 | |
bdc05efb | 563 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 564 | |
50ce8d3d BK |
565 | using __base_type::operator __integral_type; |
566 | using __base_type::operator=; | |
567 | }; | |
d466a7e2 | 568 | |
50ce8d3d | 569 | /// Explicit specialization for unsigned short. |
afd88205 | 570 | template<> |
50ce8d3d BK |
571 | struct atomic<unsigned short> : public atomic_ushort |
572 | { | |
573 | typedef unsigned short __integral_type; | |
574 | typedef atomic_ushort __base_type; | |
d466a7e2 | 575 | |
bdc05efb PC |
576 | atomic() noexcept = default; |
577 | ~atomic() noexcept = default; | |
50ce8d3d | 578 | atomic(const atomic&) = delete; |
94a86be0 | 579 | atomic& operator=(const atomic&) = delete; |
afd88205 | 580 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 581 | |
bdc05efb | 582 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 583 | |
50ce8d3d BK |
584 | using __base_type::operator __integral_type; |
585 | using __base_type::operator=; | |
586 | }; | |
d466a7e2 | 587 | |
50ce8d3d | 588 | /// Explicit specialization for int. |
afd88205 | 589 | template<> |
50ce8d3d BK |
590 | struct atomic<int> : atomic_int |
591 | { | |
592 | typedef int __integral_type; | |
593 | typedef atomic_int __base_type; | |
d466a7e2 | 594 | |
bdc05efb PC |
595 | atomic() noexcept = default; |
596 | ~atomic() noexcept = default; | |
50ce8d3d | 597 | atomic(const atomic&) = delete; |
94a86be0 | 598 | atomic& operator=(const atomic&) = delete; |
afd88205 | 599 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 600 | |
bdc05efb | 601 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 602 | |
50ce8d3d BK |
603 | using __base_type::operator __integral_type; |
604 | using __base_type::operator=; | |
605 | }; | |
d466a7e2 | 606 | |
50ce8d3d | 607 | /// Explicit specialization for unsigned int. |
afd88205 | 608 | template<> |
50ce8d3d BK |
609 | struct atomic<unsigned int> : public atomic_uint |
610 | { | |
611 | typedef unsigned int __integral_type; | |
612 | typedef atomic_uint __base_type; | |
d466a7e2 | 613 | |
bdc05efb PC |
614 | atomic() noexcept = default; |
615 | ~atomic() noexcept = default; | |
50ce8d3d | 616 | atomic(const atomic&) = delete; |
94a86be0 | 617 | atomic& operator=(const atomic&) = delete; |
afd88205 | 618 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 619 | |
bdc05efb | 620 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 621 | |
50ce8d3d BK |
622 | using __base_type::operator __integral_type; |
623 | using __base_type::operator=; | |
624 | }; | |
d466a7e2 | 625 | |
50ce8d3d | 626 | /// Explicit specialization for long. |
afd88205 | 627 | template<> |
50ce8d3d BK |
628 | struct atomic<long> : public atomic_long |
629 | { | |
630 | typedef long __integral_type; | |
631 | typedef atomic_long __base_type; | |
d466a7e2 | 632 | |
bdc05efb PC |
633 | atomic() noexcept = default; |
634 | ~atomic() noexcept = default; | |
50ce8d3d | 635 | atomic(const atomic&) = delete; |
94a86be0 | 636 | atomic& operator=(const atomic&) = delete; |
afd88205 | 637 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 638 | |
bdc05efb | 639 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 640 | |
50ce8d3d BK |
641 | using __base_type::operator __integral_type; |
642 | using __base_type::operator=; | |
643 | }; | |
d466a7e2 | 644 | |
50ce8d3d | 645 | /// Explicit specialization for unsigned long. |
afd88205 | 646 | template<> |
50ce8d3d BK |
647 | struct atomic<unsigned long> : public atomic_ulong |
648 | { | |
649 | typedef unsigned long __integral_type; | |
650 | typedef atomic_ulong __base_type; | |
d466a7e2 | 651 | |
bdc05efb PC |
652 | atomic() noexcept = default; |
653 | ~atomic() noexcept = default; | |
50ce8d3d | 654 | atomic(const atomic&) = delete; |
94a86be0 | 655 | atomic& operator=(const atomic&) = delete; |
afd88205 | 656 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 657 | |
bdc05efb | 658 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 659 | |
50ce8d3d BK |
660 | using __base_type::operator __integral_type; |
661 | using __base_type::operator=; | |
662 | }; | |
d466a7e2 | 663 | |
50ce8d3d | 664 | /// Explicit specialization for long long. |
afd88205 | 665 | template<> |
50ce8d3d BK |
666 | struct atomic<long long> : public atomic_llong |
667 | { | |
668 | typedef long long __integral_type; | |
669 | typedef atomic_llong __base_type; | |
d466a7e2 | 670 | |
bdc05efb PC |
671 | atomic() noexcept = default; |
672 | ~atomic() noexcept = default; | |
50ce8d3d | 673 | atomic(const atomic&) = delete; |
94a86be0 | 674 | atomic& operator=(const atomic&) = delete; |
afd88205 | 675 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 676 | |
bdc05efb | 677 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 678 | |
50ce8d3d BK |
679 | using __base_type::operator __integral_type; |
680 | using __base_type::operator=; | |
681 | }; | |
d466a7e2 | 682 | |
50ce8d3d | 683 | /// Explicit specialization for unsigned long long. |
afd88205 | 684 | template<> |
50ce8d3d BK |
685 | struct atomic<unsigned long long> : public atomic_ullong |
686 | { | |
687 | typedef unsigned long long __integral_type; | |
688 | typedef atomic_ullong __base_type; | |
d466a7e2 | 689 | |
bdc05efb PC |
690 | atomic() noexcept = default; |
691 | ~atomic() noexcept = default; | |
50ce8d3d | 692 | atomic(const atomic&) = delete; |
94a86be0 | 693 | atomic& operator=(const atomic&) = delete; |
afd88205 | 694 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 695 | |
bdc05efb | 696 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 697 | |
50ce8d3d BK |
698 | using __base_type::operator __integral_type; |
699 | using __base_type::operator=; | |
700 | }; | |
d466a7e2 | 701 | |
50ce8d3d | 702 | /// Explicit specialization for wchar_t. |
afd88205 | 703 | template<> |
50ce8d3d BK |
704 | struct atomic<wchar_t> : public atomic_wchar_t |
705 | { | |
706 | typedef wchar_t __integral_type; | |
707 | typedef atomic_wchar_t __base_type; | |
d466a7e2 | 708 | |
bdc05efb PC |
709 | atomic() noexcept = default; |
710 | ~atomic() noexcept = default; | |
50ce8d3d | 711 | atomic(const atomic&) = delete; |
94a86be0 | 712 | atomic& operator=(const atomic&) = delete; |
afd88205 | 713 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 714 | |
bdc05efb | 715 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 716 | |
50ce8d3d BK |
717 | using __base_type::operator __integral_type; |
718 | using __base_type::operator=; | |
719 | }; | |
d466a7e2 | 720 | |
50ce8d3d | 721 | /// Explicit specialization for char16_t. |
afd88205 | 722 | template<> |
50ce8d3d BK |
723 | struct atomic<char16_t> : public atomic_char16_t |
724 | { | |
725 | typedef char16_t __integral_type; | |
726 | typedef atomic_char16_t __base_type; | |
d466a7e2 | 727 | |
bdc05efb PC |
728 | atomic() noexcept = default; |
729 | ~atomic() noexcept = default; | |
50ce8d3d | 730 | atomic(const atomic&) = delete; |
94a86be0 | 731 | atomic& operator=(const atomic&) = delete; |
afd88205 | 732 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 733 | |
bdc05efb | 734 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 735 | |
50ce8d3d BK |
736 | using __base_type::operator __integral_type; |
737 | using __base_type::operator=; | |
738 | }; | |
d466a7e2 | 739 | |
50ce8d3d | 740 | /// Explicit specialization for char32_t. |
afd88205 | 741 | template<> |
50ce8d3d BK |
742 | struct atomic<char32_t> : public atomic_char32_t |
743 | { | |
744 | typedef char32_t __integral_type; | |
745 | typedef atomic_char32_t __base_type; | |
d466a7e2 | 746 | |
bdc05efb PC |
747 | atomic() noexcept = default; |
748 | ~atomic() noexcept = default; | |
50ce8d3d | 749 | atomic(const atomic&) = delete; |
94a86be0 | 750 | atomic& operator=(const atomic&) = delete; |
afd88205 | 751 | atomic& operator=(const atomic&) volatile = delete; |
d466a7e2 | 752 | |
bdc05efb | 753 | constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { } |
d466a7e2 | 754 | |
50ce8d3d BK |
755 | using __base_type::operator __integral_type; |
756 | using __base_type::operator=; | |
757 | }; | |
d466a7e2 | 758 | |
94a86be0 | 759 | |
94a86be0 | 760 | // Function definitions, atomic_flag operations. |
afd88205 | 761 | inline bool |
bdc05efb PC |
762 | atomic_flag_test_and_set_explicit(atomic_flag* __a, |
763 | memory_order __m) noexcept | |
50ce8d3d | 764 | { return __a->test_and_set(__m); } |
d466a7e2 | 765 | |
94a86be0 | 766 | inline bool |
036e0d4f | 767 | atomic_flag_test_and_set_explicit(volatile atomic_flag* __a, |
bdc05efb | 768 | memory_order __m) noexcept |
94a86be0 BK |
769 | { return __a->test_and_set(__m); } |
770 | ||
afd88205 | 771 | inline void |
bdc05efb | 772 | atomic_flag_clear_explicit(atomic_flag* __a, memory_order __m) noexcept |
94a86be0 BK |
773 | { __a->clear(__m); } |
774 | ||
775 | inline void | |
bdc05efb PC |
776 | atomic_flag_clear_explicit(volatile atomic_flag* __a, |
777 | memory_order __m) noexcept | |
94a86be0 | 778 | { __a->clear(__m); } |
d466a7e2 | 779 | |
94a86be0 | 780 | inline bool |
bdc05efb | 781 | atomic_flag_test_and_set(atomic_flag* __a) noexcept |
94a86be0 | 782 | { return atomic_flag_test_and_set_explicit(__a, memory_order_seq_cst); } |
d466a7e2 | 783 | |
94a86be0 | 784 | inline bool |
bdc05efb | 785 | atomic_flag_test_and_set(volatile atomic_flag* __a) noexcept |
94a86be0 BK |
786 | { return atomic_flag_test_and_set_explicit(__a, memory_order_seq_cst); } |
787 | ||
788 | inline void | |
bdc05efb | 789 | atomic_flag_clear(atomic_flag* __a) noexcept |
94a86be0 BK |
790 | { atomic_flag_clear_explicit(__a, memory_order_seq_cst); } |
791 | ||
792 | inline void | |
bdc05efb | 793 | atomic_flag_clear(volatile atomic_flag* __a) noexcept |
94a86be0 | 794 | { atomic_flag_clear_explicit(__a, memory_order_seq_cst); } |
94a86be0 | 795 | |
d466a7e2 | 796 | |
036e0d4f | 797 | // Function templates generally applicable to atomic types. |
94a86be0 BK |
798 | template<typename _ITp> |
799 | inline bool | |
bdc05efb | 800 | atomic_is_lock_free(const atomic<_ITp>* __a) noexcept |
94a86be0 BK |
801 | { return __a->is_lock_free(); } |
802 | ||
803 | template<typename _ITp> | |
804 | inline bool | |
bdc05efb | 805 | atomic_is_lock_free(const volatile atomic<_ITp>* __a) noexcept |
94a86be0 BK |
806 | { return __a->is_lock_free(); } |
807 | ||
808 | template<typename _ITp> | |
036e0d4f | 809 | inline void |
bdc05efb | 810 | atomic_init(atomic<_ITp>* __a, _ITp __i) noexcept; |
94a86be0 BK |
811 | |
812 | template<typename _ITp> | |
036e0d4f | 813 | inline void |
bdc05efb | 814 | atomic_init(volatile atomic<_ITp>* __a, _ITp __i) noexcept; |
d466a7e2 | 815 | |
50ce8d3d | 816 | template<typename _ITp> |
afd88205 | 817 | inline void |
bdc05efb PC |
818 | atomic_store_explicit(atomic<_ITp>* __a, _ITp __i, |
819 | memory_order __m) noexcept | |
50ce8d3d BK |
820 | { __a->store(__i, __m); } |
821 | ||
94a86be0 BK |
822 | template<typename _ITp> |
823 | inline void | |
036e0d4f | 824 | atomic_store_explicit(volatile atomic<_ITp>* __a, _ITp __i, |
bdc05efb | 825 | memory_order __m) noexcept |
94a86be0 BK |
826 | { __a->store(__i, __m); } |
827 | ||
50ce8d3d BK |
828 | template<typename _ITp> |
829 | inline _ITp | |
bdc05efb | 830 | atomic_load_explicit(const atomic<_ITp>* __a, memory_order __m) noexcept |
afd88205 | 831 | { return __a->load(__m); } |
50ce8d3d | 832 | |
94a86be0 BK |
833 | template<typename _ITp> |
834 | inline _ITp | |
036e0d4f | 835 | atomic_load_explicit(const volatile atomic<_ITp>* __a, |
bdc05efb | 836 | memory_order __m) noexcept |
94a86be0 BK |
837 | { return __a->load(__m); } |
838 | ||
50ce8d3d | 839 | template<typename _ITp> |
afd88205 | 840 | inline _ITp |
036e0d4f | 841 | atomic_exchange_explicit(atomic<_ITp>* __a, _ITp __i, |
bdc05efb | 842 | memory_order __m) noexcept |
afd88205 | 843 | { return __a->exchange(__i, __m); } |
50ce8d3d | 844 | |
94a86be0 BK |
845 | template<typename _ITp> |
846 | inline _ITp | |
036e0d4f | 847 | atomic_exchange_explicit(volatile atomic<_ITp>* __a, _ITp __i, |
bdc05efb | 848 | memory_order __m) noexcept |
94a86be0 BK |
849 | { return __a->exchange(__i, __m); } |
850 | ||
50ce8d3d | 851 | template<typename _ITp> |
afd88205 | 852 | inline bool |
036e0d4f | 853 | atomic_compare_exchange_weak_explicit(atomic<_ITp>* __a, |
afd88205 | 854 | _ITp* __i1, _ITp __i2, |
bdc05efb PC |
855 | memory_order __m1, |
856 | memory_order __m2) noexcept | |
50ce8d3d | 857 | { return __a->compare_exchange_weak(*__i1, __i2, __m1, __m2); } |
d466a7e2 | 858 | |
94a86be0 BK |
859 | template<typename _ITp> |
860 | inline bool | |
036e0d4f | 861 | atomic_compare_exchange_weak_explicit(volatile atomic<_ITp>* __a, |
94a86be0 | 862 | _ITp* __i1, _ITp __i2, |
bdc05efb PC |
863 | memory_order __m1, |
864 | memory_order __m2) noexcept | |
94a86be0 BK |
865 | { return __a->compare_exchange_weak(*__i1, __i2, __m1, __m2); } |
866 | ||
50ce8d3d | 867 | template<typename _ITp> |
afd88205 | 868 | inline bool |
036e0d4f | 869 | atomic_compare_exchange_strong_explicit(atomic<_ITp>* __a, |
afd88205 BK |
870 | _ITp* __i1, _ITp __i2, |
871 | memory_order __m1, | |
bdc05efb | 872 | memory_order __m2) noexcept |
50ce8d3d BK |
873 | { return __a->compare_exchange_strong(*__i1, __i2, __m1, __m2); } |
874 | ||
94a86be0 BK |
875 | template<typename _ITp> |
876 | inline bool | |
036e0d4f | 877 | atomic_compare_exchange_strong_explicit(volatile atomic<_ITp>* __a, |
94a86be0 BK |
878 | _ITp* __i1, _ITp __i2, |
879 | memory_order __m1, | |
bdc05efb | 880 | memory_order __m2) noexcept |
94a86be0 BK |
881 | { return __a->compare_exchange_strong(*__i1, __i2, __m1, __m2); } |
882 | ||
d466a7e2 | 883 | |
50ce8d3d | 884 | template<typename _ITp> |
afd88205 | 885 | inline void |
bdc05efb | 886 | atomic_store(atomic<_ITp>* __a, _ITp __i) noexcept |
50ce8d3d | 887 | { atomic_store_explicit(__a, __i, memory_order_seq_cst); } |
d466a7e2 | 888 | |
94a86be0 BK |
889 | template<typename _ITp> |
890 | inline void | |
bdc05efb | 891 | atomic_store(volatile atomic<_ITp>* __a, _ITp __i) noexcept |
94a86be0 BK |
892 | { atomic_store_explicit(__a, __i, memory_order_seq_cst); } |
893 | ||
50ce8d3d | 894 | template<typename _ITp> |
afd88205 | 895 | inline _ITp |
bdc05efb | 896 | atomic_load(const atomic<_ITp>* __a) noexcept |
50ce8d3d | 897 | { return atomic_load_explicit(__a, memory_order_seq_cst); } |
d466a7e2 | 898 | |
94a86be0 BK |
899 | template<typename _ITp> |
900 | inline _ITp | |
bdc05efb | 901 | atomic_load(const volatile atomic<_ITp>* __a) noexcept |
94a86be0 BK |
902 | { return atomic_load_explicit(__a, memory_order_seq_cst); } |
903 | ||
50ce8d3d | 904 | template<typename _ITp> |
afd88205 | 905 | inline _ITp |
bdc05efb | 906 | atomic_exchange(atomic<_ITp>* __a, _ITp __i) noexcept |
50ce8d3d | 907 | { return atomic_exchange_explicit(__a, __i, memory_order_seq_cst); } |
d466a7e2 | 908 | |
94a86be0 BK |
909 | template<typename _ITp> |
910 | inline _ITp | |
bdc05efb | 911 | atomic_exchange(volatile atomic<_ITp>* __a, _ITp __i) noexcept |
94a86be0 BK |
912 | { return atomic_exchange_explicit(__a, __i, memory_order_seq_cst); } |
913 | ||
50ce8d3d | 914 | template<typename _ITp> |
afd88205 | 915 | inline bool |
036e0d4f | 916 | atomic_compare_exchange_weak(atomic<_ITp>* __a, |
bdc05efb | 917 | _ITp* __i1, _ITp __i2) noexcept |
afd88205 BK |
918 | { |
919 | return atomic_compare_exchange_weak_explicit(__a, __i1, __i2, | |
50ce8d3d | 920 | memory_order_seq_cst, |
afd88205 | 921 | memory_order_seq_cst); |
d466a7e2 BK |
922 | } |
923 | ||
94a86be0 BK |
924 | template<typename _ITp> |
925 | inline bool | |
036e0d4f | 926 | atomic_compare_exchange_weak(volatile atomic<_ITp>* __a, |
bdc05efb | 927 | _ITp* __i1, _ITp __i2) noexcept |
94a86be0 BK |
928 | { |
929 | return atomic_compare_exchange_weak_explicit(__a, __i1, __i2, | |
930 | memory_order_seq_cst, | |
931 | memory_order_seq_cst); | |
932 | } | |
933 | ||
50ce8d3d | 934 | template<typename _ITp> |
afd88205 | 935 | inline bool |
036e0d4f | 936 | atomic_compare_exchange_strong(atomic<_ITp>* __a, |
bdc05efb | 937 | _ITp* __i1, _ITp __i2) noexcept |
afd88205 BK |
938 | { |
939 | return atomic_compare_exchange_strong_explicit(__a, __i1, __i2, | |
50ce8d3d | 940 | memory_order_seq_cst, |
afd88205 | 941 | memory_order_seq_cst); |
d466a7e2 BK |
942 | } |
943 | ||
94a86be0 BK |
944 | template<typename _ITp> |
945 | inline bool | |
036e0d4f | 946 | atomic_compare_exchange_strong(volatile atomic<_ITp>* __a, |
bdc05efb | 947 | _ITp* __i1, _ITp __i2) noexcept |
94a86be0 BK |
948 | { |
949 | return atomic_compare_exchange_strong_explicit(__a, __i1, __i2, | |
950 | memory_order_seq_cst, | |
951 | memory_order_seq_cst); | |
952 | } | |
953 | ||
036e0d4f BK |
954 | // Function templates for atomic_integral operations only, using |
955 | // __atomic_base. Template argument should be constricted to | |
956 | // intergral types as specified in the standard, excluding address | |
957 | // types. | |
958 | template<typename _ITp> | |
959 | inline _ITp | |
960 | atomic_fetch_add_explicit(__atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 961 | memory_order __m) noexcept |
036e0d4f BK |
962 | { return __a->fetch_add(__i, __m); } |
963 | ||
964 | template<typename _ITp> | |
965 | inline _ITp | |
966 | atomic_fetch_add_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 967 | memory_order __m) noexcept |
036e0d4f BK |
968 | { return __a->fetch_add(__i, __m); } |
969 | ||
970 | template<typename _ITp> | |
971 | inline _ITp | |
972 | atomic_fetch_sub_explicit(__atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 973 | memory_order __m) noexcept |
036e0d4f BK |
974 | { return __a->fetch_sub(__i, __m); } |
975 | ||
976 | template<typename _ITp> | |
977 | inline _ITp | |
978 | atomic_fetch_sub_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 979 | memory_order __m) noexcept |
036e0d4f BK |
980 | { return __a->fetch_sub(__i, __m); } |
981 | ||
982 | template<typename _ITp> | |
983 | inline _ITp | |
984 | atomic_fetch_and_explicit(__atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 985 | memory_order __m) noexcept |
036e0d4f BK |
986 | { return __a->fetch_and(__i, __m); } |
987 | ||
988 | template<typename _ITp> | |
989 | inline _ITp | |
990 | atomic_fetch_and_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 991 | memory_order __m) noexcept |
036e0d4f BK |
992 | { return __a->fetch_and(__i, __m); } |
993 | ||
994 | template<typename _ITp> | |
995 | inline _ITp | |
996 | atomic_fetch_or_explicit(__atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 997 | memory_order __m) noexcept |
036e0d4f BK |
998 | { return __a->fetch_or(__i, __m); } |
999 | ||
1000 | template<typename _ITp> | |
1001 | inline _ITp | |
1002 | atomic_fetch_or_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 1003 | memory_order __m) noexcept |
036e0d4f BK |
1004 | { return __a->fetch_or(__i, __m); } |
1005 | ||
1006 | template<typename _ITp> | |
1007 | inline _ITp | |
1008 | atomic_fetch_xor_explicit(__atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 1009 | memory_order __m) noexcept |
036e0d4f BK |
1010 | { return __a->fetch_xor(__i, __m); } |
1011 | ||
1012 | template<typename _ITp> | |
1013 | inline _ITp | |
1014 | atomic_fetch_xor_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i, | |
bdc05efb | 1015 | memory_order __m) noexcept |
036e0d4f BK |
1016 | { return __a->fetch_xor(__i, __m); } |
1017 | ||
50ce8d3d | 1018 | template<typename _ITp> |
afd88205 | 1019 | inline _ITp |
bdc05efb | 1020 | atomic_fetch_add(__atomic_base<_ITp>* __a, _ITp __i) noexcept |
50ce8d3d BK |
1021 | { return atomic_fetch_add_explicit(__a, __i, memory_order_seq_cst); } |
1022 | ||
94a86be0 BK |
1023 | template<typename _ITp> |
1024 | inline _ITp | |
bdc05efb | 1025 | atomic_fetch_add(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept |
94a86be0 BK |
1026 | { return atomic_fetch_add_explicit(__a, __i, memory_order_seq_cst); } |
1027 | ||
50ce8d3d | 1028 | template<typename _ITp> |
afd88205 | 1029 | inline _ITp |
bdc05efb | 1030 | atomic_fetch_sub(__atomic_base<_ITp>* __a, _ITp __i) noexcept |
50ce8d3d BK |
1031 | { return atomic_fetch_sub_explicit(__a, __i, memory_order_seq_cst); } |
1032 | ||
94a86be0 BK |
1033 | template<typename _ITp> |
1034 | inline _ITp | |
bdc05efb | 1035 | atomic_fetch_sub(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept |
94a86be0 BK |
1036 | { return atomic_fetch_sub_explicit(__a, __i, memory_order_seq_cst); } |
1037 | ||
50ce8d3d | 1038 | template<typename _ITp> |
afd88205 | 1039 | inline _ITp |
bdc05efb | 1040 | atomic_fetch_and(__atomic_base<_ITp>* __a, _ITp __i) noexcept |
50ce8d3d BK |
1041 | { return atomic_fetch_and_explicit(__a, __i, memory_order_seq_cst); } |
1042 | ||
94a86be0 BK |
1043 | template<typename _ITp> |
1044 | inline _ITp | |
bdc05efb | 1045 | atomic_fetch_and(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept |
94a86be0 BK |
1046 | { return atomic_fetch_and_explicit(__a, __i, memory_order_seq_cst); } |
1047 | ||
50ce8d3d | 1048 | template<typename _ITp> |
afd88205 | 1049 | inline _ITp |
bdc05efb | 1050 | atomic_fetch_or(__atomic_base<_ITp>* __a, _ITp __i) noexcept |
50ce8d3d BK |
1051 | { return atomic_fetch_or_explicit(__a, __i, memory_order_seq_cst); } |
1052 | ||
94a86be0 BK |
1053 | template<typename _ITp> |
1054 | inline _ITp | |
bdc05efb | 1055 | atomic_fetch_or(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept |
94a86be0 BK |
1056 | { return atomic_fetch_or_explicit(__a, __i, memory_order_seq_cst); } |
1057 | ||
50ce8d3d | 1058 | template<typename _ITp> |
afd88205 | 1059 | inline _ITp |
bdc05efb | 1060 | atomic_fetch_xor(__atomic_base<_ITp>* __a, _ITp __i) noexcept |
50ce8d3d | 1061 | { return atomic_fetch_xor_explicit(__a, __i, memory_order_seq_cst); } |
d466a7e2 | 1062 | |
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1063 | template<typename _ITp> |
1064 | inline _ITp | |
bdc05efb | 1065 | atomic_fetch_xor(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept |
94a86be0 BK |
1066 | { return atomic_fetch_xor_explicit(__a, __i, memory_order_seq_cst); } |
1067 | ||
036e0d4f BK |
1068 | |
1069 | // Partial specializations for pointers. | |
1070 | template<typename _ITp> | |
1071 | inline _ITp* | |
1072 | atomic_fetch_add_explicit(atomic<_ITp*>* __a, ptrdiff_t __d, | |
bdc05efb | 1073 | memory_order __m) noexcept |
036e0d4f BK |
1074 | { return __a->fetch_add(__d, __m); } |
1075 | ||
1076 | template<typename _ITp> | |
1077 | inline _ITp* | |
1078 | atomic_fetch_add_explicit(volatile atomic<_ITp*>* __a, ptrdiff_t __d, | |
bdc05efb | 1079 | memory_order __m) noexcept |
036e0d4f BK |
1080 | { return __a->fetch_add(__d, __m); } |
1081 | ||
1082 | template<typename _ITp> | |
1083 | inline _ITp* | |
bdc05efb | 1084 | atomic_fetch_add(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept |
036e0d4f BK |
1085 | { return __a->fetch_add(__d); } |
1086 | ||
1087 | template<typename _ITp> | |
1088 | inline _ITp* | |
bdc05efb | 1089 | atomic_fetch_add(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept |
036e0d4f BK |
1090 | { return __a->fetch_add(__d); } |
1091 | ||
1092 | template<typename _ITp> | |
1093 | inline _ITp* | |
1094 | atomic_fetch_sub_explicit(volatile atomic<_ITp*>* __a, | |
bdc05efb | 1095 | ptrdiff_t __d, memory_order __m) noexcept |
036e0d4f BK |
1096 | { return __a->fetch_sub(__d, __m); } |
1097 | ||
1098 | template<typename _ITp> | |
1099 | inline _ITp* | |
1100 | atomic_fetch_sub_explicit(atomic<_ITp*>* __a, ptrdiff_t __d, | |
bdc05efb | 1101 | memory_order __m) noexcept |
036e0d4f BK |
1102 | { return __a->fetch_sub(__d, __m); } |
1103 | ||
1104 | template<typename _ITp> | |
1105 | inline _ITp* | |
bdc05efb | 1106 | atomic_fetch_sub(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept |
036e0d4f BK |
1107 | { return __a->fetch_sub(__d); } |
1108 | ||
1109 | template<typename _ITp> | |
1110 | inline _ITp* | |
bdc05efb | 1111 | atomic_fetch_sub(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept |
036e0d4f | 1112 | { return __a->fetch_sub(__d); } |
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1113 | // @} group atomics |
1114 | ||
12ffa228 BK |
1115 | _GLIBCXX_END_NAMESPACE_VERSION |
1116 | } // namespace | |
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1117 | |
1118 | #endif |