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| 1 | 13 | up20180614 | // -*- C++ -*- |
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| 2 | //===--------------------------- atomic -----------------------------------===// |
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| 3 | // |
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| 4 | // The LLVM Compiler Infrastructure |
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| 5 | // |
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| 6 | // This file is distributed under the University of Illinois Open Source |
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| 7 | // License. See LICENSE.TXT for details. |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |||
| 11 | #ifndef _LIBCPP_ATOMIC |
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| 12 | #define _LIBCPP_ATOMIC |
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| 13 | |||
| 14 | /* |
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| 15 | atomic synopsis |
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| 16 | |||
| 17 | namespace std |
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| 18 | {
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| 19 | |||
| 20 | // order and consistency |
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| 21 | |||
| 22 | typedef enum memory_order |
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| 23 | {
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| 24 | memory_order_relaxed, |
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| 25 | memory_order_consume, // load-consume |
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| 26 | memory_order_acquire, // load-acquire |
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| 27 | memory_order_release, // store-release |
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| 28 | memory_order_acq_rel, // store-release load-acquire |
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| 29 | memory_order_seq_cst // store-release load-acquire |
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| 30 | } memory_order; |
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| 31 | |||
| 32 | template <class T> T kill_dependency(T y) noexcept; |
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| 33 | |||
| 34 | // lock-free property |
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| 35 | |||
| 36 | #define ATOMIC_BOOL_LOCK_FREE unspecified |
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| 37 | #define ATOMIC_CHAR_LOCK_FREE unspecified |
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| 38 | #define ATOMIC_CHAR16_T_LOCK_FREE unspecified |
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| 39 | #define ATOMIC_CHAR32_T_LOCK_FREE unspecified |
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| 40 | #define ATOMIC_WCHAR_T_LOCK_FREE unspecified |
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| 41 | #define ATOMIC_SHORT_LOCK_FREE unspecified |
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| 42 | #define ATOMIC_INT_LOCK_FREE unspecified |
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| 43 | #define ATOMIC_LONG_LOCK_FREE unspecified |
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| 44 | #define ATOMIC_LLONG_LOCK_FREE unspecified |
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| 45 | #define ATOMIC_POINTER_LOCK_FREE unspecified |
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| 46 | |||
| 47 | // flag type and operations |
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| 48 | |||
| 49 | typedef struct atomic_flag |
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| 50 | {
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| 51 | bool test_and_set(memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 52 | bool test_and_set(memory_order m = memory_order_seq_cst) noexcept; |
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| 53 | void clear(memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 54 | void clear(memory_order m = memory_order_seq_cst) noexcept; |
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| 55 | atomic_flag() noexcept = default; |
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| 56 | atomic_flag(const atomic_flag&) = delete; |
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| 57 | atomic_flag& operator=(const atomic_flag&) = delete; |
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| 58 | atomic_flag& operator=(const atomic_flag&) volatile = delete; |
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| 59 | } atomic_flag; |
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| 60 | |||
| 61 | bool |
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| 62 | atomic_flag_test_and_set(volatile atomic_flag* obj) noexcept; |
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| 63 | |||
| 64 | bool |
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| 65 | atomic_flag_test_and_set(atomic_flag* obj) noexcept; |
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| 66 | |||
| 67 | bool |
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| 68 | atomic_flag_test_and_set_explicit(volatile atomic_flag* obj, |
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| 69 | memory_order m) noexcept; |
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| 70 | |||
| 71 | bool |
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| 72 | atomic_flag_test_and_set_explicit(atomic_flag* obj, memory_order m) noexcept; |
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| 73 | |||
| 74 | void |
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| 75 | atomic_flag_clear(volatile atomic_flag* obj) noexcept; |
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| 76 | |||
| 77 | void |
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| 78 | atomic_flag_clear(atomic_flag* obj) noexcept; |
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| 79 | |||
| 80 | void |
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| 81 | atomic_flag_clear_explicit(volatile atomic_flag* obj, memory_order m) noexcept; |
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| 82 | |||
| 83 | void |
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| 84 | atomic_flag_clear_explicit(atomic_flag* obj, memory_order m) noexcept; |
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| 85 | |||
| 86 | #define ATOMIC_FLAG_INIT see below |
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| 87 | #define ATOMIC_VAR_INIT(value) see below |
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| 88 | |||
| 89 | template <class T> |
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| 90 | struct atomic |
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| 91 | {
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| 92 | bool is_lock_free() const volatile noexcept; |
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| 93 | bool is_lock_free() const noexcept; |
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| 94 | void store(T desr, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 95 | void store(T desr, memory_order m = memory_order_seq_cst) noexcept; |
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| 96 | T load(memory_order m = memory_order_seq_cst) const volatile noexcept; |
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| 97 | T load(memory_order m = memory_order_seq_cst) const noexcept; |
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| 98 | operator T() const volatile noexcept; |
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| 99 | operator T() const noexcept; |
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| 100 | T exchange(T desr, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 101 | T exchange(T desr, memory_order m = memory_order_seq_cst) noexcept; |
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| 102 | bool compare_exchange_weak(T& expc, T desr, |
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| 103 | memory_order s, memory_order f) volatile noexcept; |
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| 104 | bool compare_exchange_weak(T& expc, T desr, memory_order s, memory_order f) noexcept; |
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| 105 | bool compare_exchange_strong(T& expc, T desr, |
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| 106 | memory_order s, memory_order f) volatile noexcept; |
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| 107 | bool compare_exchange_strong(T& expc, T desr, |
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| 108 | memory_order s, memory_order f) noexcept; |
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| 109 | bool compare_exchange_weak(T& expc, T desr, |
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| 110 | memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 111 | bool compare_exchange_weak(T& expc, T desr, |
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| 112 | memory_order m = memory_order_seq_cst) noexcept; |
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| 113 | bool compare_exchange_strong(T& expc, T desr, |
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| 114 | memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 115 | bool compare_exchange_strong(T& expc, T desr, |
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| 116 | memory_order m = memory_order_seq_cst) noexcept; |
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| 117 | |||
| 118 | atomic() noexcept = default; |
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| 119 | constexpr atomic(T desr) noexcept; |
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| 120 | atomic(const atomic&) = delete; |
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| 121 | atomic& operator=(const atomic&) = delete; |
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| 122 | atomic& operator=(const atomic&) volatile = delete; |
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| 123 | T operator=(T) volatile noexcept; |
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| 124 | T operator=(T) noexcept; |
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| 125 | }; |
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| 126 | |||
| 127 | template <> |
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| 128 | struct atomic<integral> |
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| 129 | {
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| 130 | bool is_lock_free() const volatile noexcept; |
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| 131 | bool is_lock_free() const noexcept; |
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| 132 | void store(integral desr, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 133 | void store(integral desr, memory_order m = memory_order_seq_cst) noexcept; |
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| 134 | integral load(memory_order m = memory_order_seq_cst) const volatile noexcept; |
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| 135 | integral load(memory_order m = memory_order_seq_cst) const noexcept; |
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| 136 | operator integral() const volatile noexcept; |
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| 137 | operator integral() const noexcept; |
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| 138 | integral exchange(integral desr, |
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| 139 | memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 140 | integral exchange(integral desr, memory_order m = memory_order_seq_cst) noexcept; |
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| 141 | bool compare_exchange_weak(integral& expc, integral desr, |
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| 142 | memory_order s, memory_order f) volatile noexcept; |
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| 143 | bool compare_exchange_weak(integral& expc, integral desr, |
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| 144 | memory_order s, memory_order f) noexcept; |
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| 145 | bool compare_exchange_strong(integral& expc, integral desr, |
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| 146 | memory_order s, memory_order f) volatile noexcept; |
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| 147 | bool compare_exchange_strong(integral& expc, integral desr, |
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| 148 | memory_order s, memory_order f) noexcept; |
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| 149 | bool compare_exchange_weak(integral& expc, integral desr, |
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| 150 | memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 151 | bool compare_exchange_weak(integral& expc, integral desr, |
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| 152 | memory_order m = memory_order_seq_cst) noexcept; |
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| 153 | bool compare_exchange_strong(integral& expc, integral desr, |
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| 154 | memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 155 | bool compare_exchange_strong(integral& expc, integral desr, |
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| 156 | memory_order m = memory_order_seq_cst) noexcept; |
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| 157 | |||
| 158 | integral |
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| 159 | fetch_add(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 160 | integral fetch_add(integral op, memory_order m = memory_order_seq_cst) noexcept; |
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| 161 | integral |
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| 162 | fetch_sub(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 163 | integral fetch_sub(integral op, memory_order m = memory_order_seq_cst) noexcept; |
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| 164 | integral |
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| 165 | fetch_and(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 166 | integral fetch_and(integral op, memory_order m = memory_order_seq_cst) noexcept; |
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| 167 | integral |
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| 168 | fetch_or(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 169 | integral fetch_or(integral op, memory_order m = memory_order_seq_cst) noexcept; |
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| 170 | integral |
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| 171 | fetch_xor(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 172 | integral fetch_xor(integral op, memory_order m = memory_order_seq_cst) noexcept; |
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| 173 | |||
| 174 | atomic() noexcept = default; |
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| 175 | constexpr atomic(integral desr) noexcept; |
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| 176 | atomic(const atomic&) = delete; |
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| 177 | atomic& operator=(const atomic&) = delete; |
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| 178 | atomic& operator=(const atomic&) volatile = delete; |
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| 179 | integral operator=(integral desr) volatile noexcept; |
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| 180 | integral operator=(integral desr) noexcept; |
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| 181 | |||
| 182 | integral operator++(int) volatile noexcept; |
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| 183 | integral operator++(int) noexcept; |
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| 184 | integral operator--(int) volatile noexcept; |
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| 185 | integral operator--(int) noexcept; |
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| 186 | integral operator++() volatile noexcept; |
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| 187 | integral operator++() noexcept; |
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| 188 | integral operator--() volatile noexcept; |
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| 189 | integral operator--() noexcept; |
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| 190 | integral operator+=(integral op) volatile noexcept; |
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| 191 | integral operator+=(integral op) noexcept; |
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| 192 | integral operator-=(integral op) volatile noexcept; |
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| 193 | integral operator-=(integral op) noexcept; |
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| 194 | integral operator&=(integral op) volatile noexcept; |
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| 195 | integral operator&=(integral op) noexcept; |
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| 196 | integral operator|=(integral op) volatile noexcept; |
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| 197 | integral operator|=(integral op) noexcept; |
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| 198 | integral operator^=(integral op) volatile noexcept; |
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| 199 | integral operator^=(integral op) noexcept; |
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| 200 | }; |
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| 201 | |||
| 202 | template <class T> |
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| 203 | struct atomic<T*> |
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| 204 | {
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| 205 | bool is_lock_free() const volatile noexcept; |
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| 206 | bool is_lock_free() const noexcept; |
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| 207 | void store(T* desr, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 208 | void store(T* desr, memory_order m = memory_order_seq_cst) noexcept; |
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| 209 | T* load(memory_order m = memory_order_seq_cst) const volatile noexcept; |
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| 210 | T* load(memory_order m = memory_order_seq_cst) const noexcept; |
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| 211 | operator T*() const volatile noexcept; |
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| 212 | operator T*() const noexcept; |
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| 213 | T* exchange(T* desr, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 214 | T* exchange(T* desr, memory_order m = memory_order_seq_cst) noexcept; |
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| 215 | bool compare_exchange_weak(T*& expc, T* desr, |
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| 216 | memory_order s, memory_order f) volatile noexcept; |
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| 217 | bool compare_exchange_weak(T*& expc, T* desr, |
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| 218 | memory_order s, memory_order f) noexcept; |
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| 219 | bool compare_exchange_strong(T*& expc, T* desr, |
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| 220 | memory_order s, memory_order f) volatile noexcept; |
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| 221 | bool compare_exchange_strong(T*& expc, T* desr, |
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| 222 | memory_order s, memory_order f) noexcept; |
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| 223 | bool compare_exchange_weak(T*& expc, T* desr, |
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| 224 | memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 225 | bool compare_exchange_weak(T*& expc, T* desr, |
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| 226 | memory_order m = memory_order_seq_cst) noexcept; |
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| 227 | bool compare_exchange_strong(T*& expc, T* desr, |
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| 228 | memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 229 | bool compare_exchange_strong(T*& expc, T* desr, |
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| 230 | memory_order m = memory_order_seq_cst) noexcept; |
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| 231 | T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 232 | T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst) noexcept; |
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| 233 | T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile noexcept; |
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| 234 | T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst) noexcept; |
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| 235 | |||
| 236 | atomic() noexcept = default; |
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| 237 | constexpr atomic(T* desr) noexcept; |
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| 238 | atomic(const atomic&) = delete; |
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| 239 | atomic& operator=(const atomic&) = delete; |
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| 240 | atomic& operator=(const atomic&) volatile = delete; |
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| 241 | |||
| 242 | T* operator=(T*) volatile noexcept; |
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| 243 | T* operator=(T*) noexcept; |
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| 244 | T* operator++(int) volatile noexcept; |
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| 245 | T* operator++(int) noexcept; |
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| 246 | T* operator--(int) volatile noexcept; |
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| 247 | T* operator--(int) noexcept; |
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| 248 | T* operator++() volatile noexcept; |
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| 249 | T* operator++() noexcept; |
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| 250 | T* operator--() volatile noexcept; |
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| 251 | T* operator--() noexcept; |
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| 252 | T* operator+=(ptrdiff_t op) volatile noexcept; |
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| 253 | T* operator+=(ptrdiff_t op) noexcept; |
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| 254 | T* operator-=(ptrdiff_t op) volatile noexcept; |
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| 255 | T* operator-=(ptrdiff_t op) noexcept; |
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| 256 | }; |
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| 257 | |||
| 258 | |||
| 259 | template <class T> |
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| 260 | bool |
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| 261 | atomic_is_lock_free(const volatile atomic<T>* obj) noexcept; |
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| 262 | |||
| 263 | template <class T> |
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| 264 | bool |
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| 265 | atomic_is_lock_free(const atomic<T>* obj) noexcept; |
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| 266 | |||
| 267 | template <class T> |
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| 268 | void |
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| 269 | atomic_init(volatile atomic<T>* obj, T desr) noexcept; |
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| 270 | |||
| 271 | template <class T> |
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| 272 | void |
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| 273 | atomic_init(atomic<T>* obj, T desr) noexcept; |
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| 274 | |||
| 275 | template <class T> |
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| 276 | void |
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| 277 | atomic_store(volatile atomic<T>* obj, T desr) noexcept; |
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| 278 | |||
| 279 | template <class T> |
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| 280 | void |
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| 281 | atomic_store(atomic<T>* obj, T desr) noexcept; |
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| 282 | |||
| 283 | template <class T> |
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| 284 | void |
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| 285 | atomic_store_explicit(volatile atomic<T>* obj, T desr, memory_order m) noexcept; |
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| 286 | |||
| 287 | template <class T> |
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| 288 | void |
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| 289 | atomic_store_explicit(atomic<T>* obj, T desr, memory_order m) noexcept; |
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| 290 | |||
| 291 | template <class T> |
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| 292 | T |
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| 293 | atomic_load(const volatile atomic<T>* obj) noexcept; |
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| 294 | |||
| 295 | template <class T> |
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| 296 | T |
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| 297 | atomic_load(const atomic<T>* obj) noexcept; |
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| 298 | |||
| 299 | template <class T> |
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| 300 | T |
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| 301 | atomic_load_explicit(const volatile atomic<T>* obj, memory_order m) noexcept; |
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| 302 | |||
| 303 | template <class T> |
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| 304 | T |
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| 305 | atomic_load_explicit(const atomic<T>* obj, memory_order m) noexcept; |
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| 306 | |||
| 307 | template <class T> |
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| 308 | T |
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| 309 | atomic_exchange(volatile atomic<T>* obj, T desr) noexcept; |
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| 310 | |||
| 311 | template <class T> |
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| 312 | T |
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| 313 | atomic_exchange(atomic<T>* obj, T desr) noexcept; |
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| 314 | |||
| 315 | template <class T> |
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| 316 | T |
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| 317 | atomic_exchange_explicit(volatile atomic<T>* obj, T desr, memory_order m) noexcept; |
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| 318 | |||
| 319 | template <class T> |
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| 320 | T |
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| 321 | atomic_exchange_explicit(atomic<T>* obj, T desr, memory_order m) noexcept; |
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| 322 | |||
| 323 | template <class T> |
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| 324 | bool |
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| 325 | atomic_compare_exchange_weak(volatile atomic<T>* obj, T* expc, T desr) noexcept; |
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| 326 | |||
| 327 | template <class T> |
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| 328 | bool |
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| 329 | atomic_compare_exchange_weak(atomic<T>* obj, T* expc, T desr) noexcept; |
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| 330 | |||
| 331 | template <class T> |
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| 332 | bool |
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| 333 | atomic_compare_exchange_strong(volatile atomic<T>* obj, T* expc, T desr) noexcept; |
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| 334 | |||
| 335 | template <class T> |
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| 336 | bool |
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| 337 | atomic_compare_exchange_strong(atomic<T>* obj, T* expc, T desr) noexcept; |
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| 338 | |||
| 339 | template <class T> |
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| 340 | bool |
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| 341 | atomic_compare_exchange_weak_explicit(volatile atomic<T>* obj, T* expc, |
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| 342 | T desr, |
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| 343 | memory_order s, memory_order f) noexcept; |
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| 344 | |||
| 345 | template <class T> |
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| 346 | bool |
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| 347 | atomic_compare_exchange_weak_explicit(atomic<T>* obj, T* expc, T desr, |
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| 348 | memory_order s, memory_order f) noexcept; |
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| 349 | |||
| 350 | template <class T> |
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| 351 | bool |
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| 352 | atomic_compare_exchange_strong_explicit(volatile atomic<T>* obj, |
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| 353 | T* expc, T desr, |
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| 354 | memory_order s, memory_order f) noexcept; |
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| 355 | |||
| 356 | template <class T> |
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| 357 | bool |
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| 358 | atomic_compare_exchange_strong_explicit(atomic<T>* obj, T* expc, |
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| 359 | T desr, |
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| 360 | memory_order s, memory_order f) noexcept; |
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| 361 | |||
| 362 | template <class Integral> |
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| 363 | Integral |
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| 364 | atomic_fetch_add(volatile atomic<Integral>* obj, Integral op) noexcept; |
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| 365 | |||
| 366 | template <class Integral> |
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| 367 | Integral |
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| 368 | atomic_fetch_add(atomic<Integral>* obj, Integral op) noexcept; |
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| 369 | |||
| 370 | template <class Integral> |
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| 371 | Integral |
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| 372 | atomic_fetch_add_explicit(volatile atomic<Integral>* obj, Integral op, |
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| 373 | memory_order m) noexcept; |
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| 374 | template <class Integral> |
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| 375 | Integral |
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| 376 | atomic_fetch_add_explicit(atomic<Integral>* obj, Integral op, |
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| 377 | memory_order m) noexcept; |
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| 378 | template <class Integral> |
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| 379 | Integral |
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| 380 | atomic_fetch_sub(volatile atomic<Integral>* obj, Integral op) noexcept; |
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| 381 | |||
| 382 | template <class Integral> |
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| 383 | Integral |
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| 384 | atomic_fetch_sub(atomic<Integral>* obj, Integral op) noexcept; |
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| 385 | |||
| 386 | template <class Integral> |
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| 387 | Integral |
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| 388 | atomic_fetch_sub_explicit(volatile atomic<Integral>* obj, Integral op, |
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| 389 | memory_order m) noexcept; |
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| 390 | template <class Integral> |
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| 391 | Integral |
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| 392 | atomic_fetch_sub_explicit(atomic<Integral>* obj, Integral op, |
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| 393 | memory_order m) noexcept; |
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| 394 | template <class Integral> |
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| 395 | Integral |
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| 396 | atomic_fetch_and(volatile atomic<Integral>* obj, Integral op) noexcept; |
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| 397 | |||
| 398 | template <class Integral> |
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| 399 | Integral |
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| 400 | atomic_fetch_and(atomic<Integral>* obj, Integral op) noexcept; |
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| 401 | |||
| 402 | template <class Integral> |
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| 403 | Integral |
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| 404 | atomic_fetch_and_explicit(volatile atomic<Integral>* obj, Integral op, |
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| 405 | memory_order m) noexcept; |
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| 406 | template <class Integral> |
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| 407 | Integral |
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| 408 | atomic_fetch_and_explicit(atomic<Integral>* obj, Integral op, |
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| 409 | memory_order m) noexcept; |
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| 410 | template <class Integral> |
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| 411 | Integral |
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| 412 | atomic_fetch_or(volatile atomic<Integral>* obj, Integral op) noexcept; |
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| 413 | |||
| 414 | template <class Integral> |
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| 415 | Integral |
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| 416 | atomic_fetch_or(atomic<Integral>* obj, Integral op) noexcept; |
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| 417 | |||
| 418 | template <class Integral> |
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| 419 | Integral |
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| 420 | atomic_fetch_or_explicit(volatile atomic<Integral>* obj, Integral op, |
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| 421 | memory_order m) noexcept; |
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| 422 | template <class Integral> |
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| 423 | Integral |
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| 424 | atomic_fetch_or_explicit(atomic<Integral>* obj, Integral op, |
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| 425 | memory_order m) noexcept; |
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| 426 | template <class Integral> |
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| 427 | Integral |
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| 428 | atomic_fetch_xor(volatile atomic<Integral>* obj, Integral op) noexcept; |
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| 429 | |||
| 430 | template <class Integral> |
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| 431 | Integral |
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| 432 | atomic_fetch_xor(atomic<Integral>* obj, Integral op) noexcept; |
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| 433 | |||
| 434 | template <class Integral> |
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| 435 | Integral |
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| 436 | atomic_fetch_xor_explicit(volatile atomic<Integral>* obj, Integral op, |
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| 437 | memory_order m) noexcept; |
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| 438 | template <class Integral> |
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| 439 | Integral |
||
| 440 | atomic_fetch_xor_explicit(atomic<Integral>* obj, Integral op, |
||
| 441 | memory_order m) noexcept; |
||
| 442 | |||
| 443 | template <class T> |
||
| 444 | T* |
||
| 445 | atomic_fetch_add(volatile atomic<T*>* obj, ptrdiff_t op) noexcept; |
||
| 446 | |||
| 447 | template <class T> |
||
| 448 | T* |
||
| 449 | atomic_fetch_add(atomic<T*>* obj, ptrdiff_t op) noexcept; |
||
| 450 | |||
| 451 | template <class T> |
||
| 452 | T* |
||
| 453 | atomic_fetch_add_explicit(volatile atomic<T*>* obj, ptrdiff_t op, |
||
| 454 | memory_order m) noexcept; |
||
| 455 | template <class T> |
||
| 456 | T* |
||
| 457 | atomic_fetch_add_explicit(atomic<T*>* obj, ptrdiff_t op, memory_order m) noexcept; |
||
| 458 | |||
| 459 | template <class T> |
||
| 460 | T* |
||
| 461 | atomic_fetch_sub(volatile atomic<T*>* obj, ptrdiff_t op) noexcept; |
||
| 462 | |||
| 463 | template <class T> |
||
| 464 | T* |
||
| 465 | atomic_fetch_sub(atomic<T*>* obj, ptrdiff_t op) noexcept; |
||
| 466 | |||
| 467 | template <class T> |
||
| 468 | T* |
||
| 469 | atomic_fetch_sub_explicit(volatile atomic<T*>* obj, ptrdiff_t op, |
||
| 470 | memory_order m) noexcept; |
||
| 471 | template <class T> |
||
| 472 | T* |
||
| 473 | atomic_fetch_sub_explicit(atomic<T*>* obj, ptrdiff_t op, memory_order m) noexcept; |
||
| 474 | |||
| 475 | // Atomics for standard typedef types |
||
| 476 | |||
| 477 | typedef atomic<bool> atomic_bool; |
||
| 478 | typedef atomic<char> atomic_char; |
||
| 479 | typedef atomic<signed char> atomic_schar; |
||
| 480 | typedef atomic<unsigned char> atomic_uchar; |
||
| 481 | typedef atomic<short> atomic_short; |
||
| 482 | typedef atomic<unsigned short> atomic_ushort; |
||
| 483 | typedef atomic<int> atomic_int; |
||
| 484 | typedef atomic<unsigned int> atomic_uint; |
||
| 485 | typedef atomic<long> atomic_long; |
||
| 486 | typedef atomic<unsigned long> atomic_ulong; |
||
| 487 | typedef atomic<long long> atomic_llong; |
||
| 488 | typedef atomic<unsigned long long> atomic_ullong; |
||
| 489 | typedef atomic<char16_t> atomic_char16_t; |
||
| 490 | typedef atomic<char32_t> atomic_char32_t; |
||
| 491 | typedef atomic<wchar_t> atomic_wchar_t; |
||
| 492 | |||
| 493 | typedef atomic<int_least8_t> atomic_int_least8_t; |
||
| 494 | typedef atomic<uint_least8_t> atomic_uint_least8_t; |
||
| 495 | typedef atomic<int_least16_t> atomic_int_least16_t; |
||
| 496 | typedef atomic<uint_least16_t> atomic_uint_least16_t; |
||
| 497 | typedef atomic<int_least32_t> atomic_int_least32_t; |
||
| 498 | typedef atomic<uint_least32_t> atomic_uint_least32_t; |
||
| 499 | typedef atomic<int_least64_t> atomic_int_least64_t; |
||
| 500 | typedef atomic<uint_least64_t> atomic_uint_least64_t; |
||
| 501 | |||
| 502 | typedef atomic<int_fast8_t> atomic_int_fast8_t; |
||
| 503 | typedef atomic<uint_fast8_t> atomic_uint_fast8_t; |
||
| 504 | typedef atomic<int_fast16_t> atomic_int_fast16_t; |
||
| 505 | typedef atomic<uint_fast16_t> atomic_uint_fast16_t; |
||
| 506 | typedef atomic<int_fast32_t> atomic_int_fast32_t; |
||
| 507 | typedef atomic<uint_fast32_t> atomic_uint_fast32_t; |
||
| 508 | typedef atomic<int_fast64_t> atomic_int_fast64_t; |
||
| 509 | typedef atomic<uint_fast64_t> atomic_uint_fast64_t; |
||
| 510 | |||
| 511 | typedef atomic<intptr_t> atomic_intptr_t; |
||
| 512 | typedef atomic<uintptr_t> atomic_uintptr_t; |
||
| 513 | typedef atomic<size_t> atomic_size_t; |
||
| 514 | typedef atomic<ptrdiff_t> atomic_ptrdiff_t; |
||
| 515 | typedef atomic<intmax_t> atomic_intmax_t; |
||
| 516 | typedef atomic<uintmax_t> atomic_uintmax_t; |
||
| 517 | |||
| 518 | // fences |
||
| 519 | |||
| 520 | void atomic_thread_fence(memory_order m) noexcept; |
||
| 521 | void atomic_signal_fence(memory_order m) noexcept; |
||
| 522 | |||
| 523 | } // std |
||
| 524 | |||
| 525 | */ |
||
| 526 | |||
| 527 | #include <__config> |
||
| 528 | #include <cstddef> |
||
| 529 | #include <cstdint> |
||
| 530 | #include <type_traits> |
||
| 531 | |||
| 532 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
||
| 533 | #pragma GCC system_header |
||
| 534 | #endif |
||
| 535 | |||
| 536 | #ifdef _LIBCPP_HAS_NO_THREADS |
||
| 537 | #error <atomic> is not supported on this single threaded system |
||
| 538 | #endif |
||
| 539 | #if !defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) |
||
| 540 | #error <atomic> is not implemented |
||
| 541 | #endif |
||
| 542 | |||
| 543 | _LIBCPP_BEGIN_NAMESPACE_STD |
||
| 544 | |||
| 545 | typedef enum memory_order |
||
| 546 | {
|
||
| 547 | memory_order_relaxed, memory_order_consume, memory_order_acquire, |
||
| 548 | memory_order_release, memory_order_acq_rel, memory_order_seq_cst |
||
| 549 | } memory_order; |
||
| 550 | |||
| 551 | #if defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) |
||
| 552 | namespace __gcc_atomic {
|
||
| 553 | template <typename _Tp> |
||
| 554 | struct __gcc_atomic_t {
|
||
| 555 | __gcc_atomic_t() _NOEXCEPT {}
|
||
| 556 | _LIBCPP_CONSTEXPR explicit __gcc_atomic_t(_Tp value) _NOEXCEPT |
||
| 557 | : __a_value(value) {}
|
||
| 558 | _Tp __a_value; |
||
| 559 | }; |
||
| 560 | #define _Atomic(x) __gcc_atomic::__gcc_atomic_t<x> |
||
| 561 | |||
| 562 | template <typename _Tp> _Tp __create(); |
||
| 563 | |||
| 564 | template <typename _Tp, typename _Td> |
||
| 565 | typename enable_if<sizeof(_Tp()->__a_value = __create<_Td>()), char>::type |
||
| 566 | __test_atomic_assignable(int); |
||
| 567 | template <typename _Tp, typename _Up> |
||
| 568 | __two __test_atomic_assignable(...); |
||
| 569 | |||
| 570 | template <typename _Tp, typename _Td> |
||
| 571 | struct __can_assign {
|
||
| 572 | static const bool value = |
||
| 573 | sizeof(__test_atomic_assignable<_Tp, _Td>(1)) == sizeof(char); |
||
| 574 | }; |
||
| 575 | |||
| 576 | static inline constexpr int __to_gcc_order(memory_order __order) {
|
||
| 577 | // Avoid switch statement to make this a constexpr. |
||
| 578 | return __order == memory_order_relaxed ? __ATOMIC_RELAXED: |
||
| 579 | (__order == memory_order_acquire ? __ATOMIC_ACQUIRE: |
||
| 580 | (__order == memory_order_release ? __ATOMIC_RELEASE: |
||
| 581 | (__order == memory_order_seq_cst ? __ATOMIC_SEQ_CST: |
||
| 582 | (__order == memory_order_acq_rel ? __ATOMIC_ACQ_REL: |
||
| 583 | __ATOMIC_CONSUME)))); |
||
| 584 | } |
||
| 585 | |||
| 586 | static inline constexpr int __to_gcc_failure_order(memory_order __order) {
|
||
| 587 | // Avoid switch statement to make this a constexpr. |
||
| 588 | return __order == memory_order_relaxed ? __ATOMIC_RELAXED: |
||
| 589 | (__order == memory_order_acquire ? __ATOMIC_ACQUIRE: |
||
| 590 | (__order == memory_order_release ? __ATOMIC_RELAXED: |
||
| 591 | (__order == memory_order_seq_cst ? __ATOMIC_SEQ_CST: |
||
| 592 | (__order == memory_order_acq_rel ? __ATOMIC_ACQUIRE: |
||
| 593 | __ATOMIC_CONSUME)))); |
||
| 594 | } |
||
| 595 | |||
| 596 | } // namespace __gcc_atomic |
||
| 597 | |||
| 598 | template <typename _Tp> |
||
| 599 | static inline |
||
| 600 | typename enable_if< |
||
| 601 | __gcc_atomic::__can_assign<volatile _Atomic(_Tp)*, _Tp>::value>::type |
||
| 602 | __c11_atomic_init(volatile _Atomic(_Tp)* __a, _Tp __val) {
|
||
| 603 | __a->__a_value = __val; |
||
| 604 | } |
||
| 605 | |||
| 606 | template <typename _Tp> |
||
| 607 | static inline |
||
| 608 | typename enable_if< |
||
| 609 | !__gcc_atomic::__can_assign<volatile _Atomic(_Tp)*, _Tp>::value && |
||
| 610 | __gcc_atomic::__can_assign< _Atomic(_Tp)*, _Tp>::value>::type |
||
| 611 | __c11_atomic_init(volatile _Atomic(_Tp)* __a, _Tp __val) {
|
||
| 612 | // [atomics.types.generic]p1 guarantees _Tp is trivially copyable. Because |
||
| 613 | // the default operator= in an object is not volatile, a byte-by-byte copy |
||
| 614 | // is required. |
||
| 615 | volatile char* to = reinterpret_cast<volatile char*>(&__a->__a_value); |
||
| 616 | volatile char* end = to + sizeof(_Tp); |
||
| 617 | char* from = reinterpret_cast<char*>(&__val); |
||
| 618 | while (to != end) {
|
||
| 619 | *to++ = *from++; |
||
| 620 | } |
||
| 621 | } |
||
| 622 | |||
| 623 | template <typename _Tp> |
||
| 624 | static inline void __c11_atomic_init(_Atomic(_Tp)* __a, _Tp __val) {
|
||
| 625 | __a->__a_value = __val; |
||
| 626 | } |
||
| 627 | |||
| 628 | static inline void __c11_atomic_thread_fence(memory_order __order) {
|
||
| 629 | __atomic_thread_fence(__gcc_atomic::__to_gcc_order(__order)); |
||
| 630 | } |
||
| 631 | |||
| 632 | static inline void __c11_atomic_signal_fence(memory_order __order) {
|
||
| 633 | __atomic_signal_fence(__gcc_atomic::__to_gcc_order(__order)); |
||
| 634 | } |
||
| 635 | |||
| 636 | template <typename _Tp> |
||
| 637 | static inline void __c11_atomic_store(volatile _Atomic(_Tp)* __a, _Tp __val, |
||
| 638 | memory_order __order) {
|
||
| 639 | return __atomic_store(&__a->__a_value, &__val, |
||
| 640 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 641 | } |
||
| 642 | |||
| 643 | template <typename _Tp> |
||
| 644 | static inline void __c11_atomic_store(_Atomic(_Tp)* __a, _Tp __val, |
||
| 645 | memory_order __order) {
|
||
| 646 | __atomic_store(&__a->__a_value, &__val, |
||
| 647 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 648 | } |
||
| 649 | |||
| 650 | template <typename _Tp> |
||
| 651 | static inline _Tp __c11_atomic_load(volatile _Atomic(_Tp)* __a, |
||
| 652 | memory_order __order) {
|
||
| 653 | _Tp __ret; |
||
| 654 | __atomic_load(&__a->__a_value, &__ret, |
||
| 655 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 656 | return __ret; |
||
| 657 | } |
||
| 658 | |||
| 659 | template <typename _Tp> |
||
| 660 | static inline _Tp __c11_atomic_load(_Atomic(_Tp)* __a, memory_order __order) {
|
||
| 661 | _Tp __ret; |
||
| 662 | __atomic_load(&__a->__a_value, &__ret, |
||
| 663 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 664 | return __ret; |
||
| 665 | } |
||
| 666 | |||
| 667 | template <typename _Tp> |
||
| 668 | static inline _Tp __c11_atomic_exchange(volatile _Atomic(_Tp)* __a, |
||
| 669 | _Tp __value, memory_order __order) {
|
||
| 670 | _Tp __ret; |
||
| 671 | __atomic_exchange(&__a->__a_value, &__value, &__ret, |
||
| 672 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 673 | return __ret; |
||
| 674 | } |
||
| 675 | |||
| 676 | template <typename _Tp> |
||
| 677 | static inline _Tp __c11_atomic_exchange(_Atomic(_Tp)* __a, _Tp __value, |
||
| 678 | memory_order __order) {
|
||
| 679 | _Tp __ret; |
||
| 680 | __atomic_exchange(&__a->__a_value, &__value, &__ret, |
||
| 681 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 682 | return __ret; |
||
| 683 | } |
||
| 684 | |||
| 685 | template <typename _Tp> |
||
| 686 | static inline bool __c11_atomic_compare_exchange_strong( |
||
| 687 | volatile _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, |
||
| 688 | memory_order __success, memory_order __failure) {
|
||
| 689 | return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, |
||
| 690 | false, |
||
| 691 | __gcc_atomic::__to_gcc_order(__success), |
||
| 692 | __gcc_atomic::__to_gcc_failure_order(__failure)); |
||
| 693 | } |
||
| 694 | |||
| 695 | template <typename _Tp> |
||
| 696 | static inline bool __c11_atomic_compare_exchange_strong( |
||
| 697 | _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, memory_order __success, |
||
| 698 | memory_order __failure) {
|
||
| 699 | return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, |
||
| 700 | false, |
||
| 701 | __gcc_atomic::__to_gcc_order(__success), |
||
| 702 | __gcc_atomic::__to_gcc_failure_order(__failure)); |
||
| 703 | } |
||
| 704 | |||
| 705 | template <typename _Tp> |
||
| 706 | static inline bool __c11_atomic_compare_exchange_weak( |
||
| 707 | volatile _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, |
||
| 708 | memory_order __success, memory_order __failure) {
|
||
| 709 | return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, |
||
| 710 | true, |
||
| 711 | __gcc_atomic::__to_gcc_order(__success), |
||
| 712 | __gcc_atomic::__to_gcc_failure_order(__failure)); |
||
| 713 | } |
||
| 714 | |||
| 715 | template <typename _Tp> |
||
| 716 | static inline bool __c11_atomic_compare_exchange_weak( |
||
| 717 | _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, memory_order __success, |
||
| 718 | memory_order __failure) {
|
||
| 719 | return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, |
||
| 720 | true, |
||
| 721 | __gcc_atomic::__to_gcc_order(__success), |
||
| 722 | __gcc_atomic::__to_gcc_failure_order(__failure)); |
||
| 723 | } |
||
| 724 | |||
| 725 | template <typename _Tp> |
||
| 726 | struct __skip_amt { enum {value = 1}; };
|
||
| 727 | |||
| 728 | template <typename _Tp> |
||
| 729 | struct __skip_amt<_Tp*> { enum {value = sizeof(_Tp)}; };
|
||
| 730 | |||
| 731 | // FIXME: Haven't figured out what the spec says about using arrays with |
||
| 732 | // atomic_fetch_add. Force a failure rather than creating bad behavior. |
||
| 733 | template <typename _Tp> |
||
| 734 | struct __skip_amt<_Tp[]> { };
|
||
| 735 | template <typename _Tp, int n> |
||
| 736 | struct __skip_amt<_Tp[n]> { };
|
||
| 737 | |||
| 738 | template <typename _Tp, typename _Td> |
||
| 739 | static inline _Tp __c11_atomic_fetch_add(volatile _Atomic(_Tp)* __a, |
||
| 740 | _Td __delta, memory_order __order) {
|
||
| 741 | return __atomic_fetch_add(&__a->__a_value, __delta * __skip_amt<_Tp>::value, |
||
| 742 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 743 | } |
||
| 744 | |||
| 745 | template <typename _Tp, typename _Td> |
||
| 746 | static inline _Tp __c11_atomic_fetch_add(_Atomic(_Tp)* __a, _Td __delta, |
||
| 747 | memory_order __order) {
|
||
| 748 | return __atomic_fetch_add(&__a->__a_value, __delta * __skip_amt<_Tp>::value, |
||
| 749 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 750 | } |
||
| 751 | |||
| 752 | template <typename _Tp, typename _Td> |
||
| 753 | static inline _Tp __c11_atomic_fetch_sub(volatile _Atomic(_Tp)* __a, |
||
| 754 | _Td __delta, memory_order __order) {
|
||
| 755 | return __atomic_fetch_sub(&__a->__a_value, __delta * __skip_amt<_Tp>::value, |
||
| 756 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 757 | } |
||
| 758 | |||
| 759 | template <typename _Tp, typename _Td> |
||
| 760 | static inline _Tp __c11_atomic_fetch_sub(_Atomic(_Tp)* __a, _Td __delta, |
||
| 761 | memory_order __order) {
|
||
| 762 | return __atomic_fetch_sub(&__a->__a_value, __delta * __skip_amt<_Tp>::value, |
||
| 763 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 764 | } |
||
| 765 | |||
| 766 | template <typename _Tp> |
||
| 767 | static inline _Tp __c11_atomic_fetch_and(volatile _Atomic(_Tp)* __a, |
||
| 768 | _Tp __pattern, memory_order __order) {
|
||
| 769 | return __atomic_fetch_and(&__a->__a_value, __pattern, |
||
| 770 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 771 | } |
||
| 772 | |||
| 773 | template <typename _Tp> |
||
| 774 | static inline _Tp __c11_atomic_fetch_and(_Atomic(_Tp)* __a, |
||
| 775 | _Tp __pattern, memory_order __order) {
|
||
| 776 | return __atomic_fetch_and(&__a->__a_value, __pattern, |
||
| 777 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 778 | } |
||
| 779 | |||
| 780 | template <typename _Tp> |
||
| 781 | static inline _Tp __c11_atomic_fetch_or(volatile _Atomic(_Tp)* __a, |
||
| 782 | _Tp __pattern, memory_order __order) {
|
||
| 783 | return __atomic_fetch_or(&__a->__a_value, __pattern, |
||
| 784 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 785 | } |
||
| 786 | |||
| 787 | template <typename _Tp> |
||
| 788 | static inline _Tp __c11_atomic_fetch_or(_Atomic(_Tp)* __a, _Tp __pattern, |
||
| 789 | memory_order __order) {
|
||
| 790 | return __atomic_fetch_or(&__a->__a_value, __pattern, |
||
| 791 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 792 | } |
||
| 793 | |||
| 794 | template <typename _Tp> |
||
| 795 | static inline _Tp __c11_atomic_fetch_xor(volatile _Atomic(_Tp)* __a, |
||
| 796 | _Tp __pattern, memory_order __order) {
|
||
| 797 | return __atomic_fetch_xor(&__a->__a_value, __pattern, |
||
| 798 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 799 | } |
||
| 800 | |||
| 801 | template <typename _Tp> |
||
| 802 | static inline _Tp __c11_atomic_fetch_xor(_Atomic(_Tp)* __a, _Tp __pattern, |
||
| 803 | memory_order __order) {
|
||
| 804 | return __atomic_fetch_xor(&__a->__a_value, __pattern, |
||
| 805 | __gcc_atomic::__to_gcc_order(__order)); |
||
| 806 | } |
||
| 807 | #endif // _LIBCPP_HAS_GCC_ATOMIC_IMP |
||
| 808 | |||
| 809 | template <class _Tp> |
||
| 810 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 811 | _Tp |
||
| 812 | kill_dependency(_Tp __y) _NOEXCEPT |
||
| 813 | {
|
||
| 814 | return __y; |
||
| 815 | } |
||
| 816 | |||
| 817 | // general atomic<T> |
||
| 818 | |||
| 819 | template <class _Tp, bool = is_integral<_Tp>::value && !is_same<_Tp, bool>::value> |
||
| 820 | struct __atomic_base // false |
||
| 821 | {
|
||
| 822 | mutable _Atomic(_Tp) __a_; |
||
| 823 | |||
| 824 | _LIBCPP_INLINE_VISIBILITY |
||
| 825 | bool is_lock_free() const volatile _NOEXCEPT |
||
| 826 | {
|
||
| 827 | #if defined(_LIBCPP_HAS_C_ATOMIC_IMP) |
||
| 828 | return __c11_atomic_is_lock_free(sizeof(_Tp)); |
||
| 829 | #else |
||
| 830 | return __atomic_is_lock_free(sizeof(_Tp), 0); |
||
| 831 | #endif |
||
| 832 | } |
||
| 833 | _LIBCPP_INLINE_VISIBILITY |
||
| 834 | bool is_lock_free() const _NOEXCEPT |
||
| 835 | {return static_cast<__atomic_base const volatile*>(this)->is_lock_free();}
|
||
| 836 | _LIBCPP_INLINE_VISIBILITY |
||
| 837 | void store(_Tp __d, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 838 | {__c11_atomic_store(&__a_, __d, __m);}
|
||
| 839 | _LIBCPP_INLINE_VISIBILITY |
||
| 840 | void store(_Tp __d, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 841 | {__c11_atomic_store(&__a_, __d, __m);}
|
||
| 842 | _LIBCPP_INLINE_VISIBILITY |
||
| 843 | _Tp load(memory_order __m = memory_order_seq_cst) const volatile _NOEXCEPT |
||
| 844 | {return __c11_atomic_load(&__a_, __m);}
|
||
| 845 | _LIBCPP_INLINE_VISIBILITY |
||
| 846 | _Tp load(memory_order __m = memory_order_seq_cst) const _NOEXCEPT |
||
| 847 | {return __c11_atomic_load(&__a_, __m);}
|
||
| 848 | _LIBCPP_INLINE_VISIBILITY |
||
| 849 | operator _Tp() const volatile _NOEXCEPT {return load();}
|
||
| 850 | _LIBCPP_INLINE_VISIBILITY |
||
| 851 | operator _Tp() const _NOEXCEPT {return load();}
|
||
| 852 | _LIBCPP_INLINE_VISIBILITY |
||
| 853 | _Tp exchange(_Tp __d, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 854 | {return __c11_atomic_exchange(&__a_, __d, __m);}
|
||
| 855 | _LIBCPP_INLINE_VISIBILITY |
||
| 856 | _Tp exchange(_Tp __d, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 857 | {return __c11_atomic_exchange(&__a_, __d, __m);}
|
||
| 858 | _LIBCPP_INLINE_VISIBILITY |
||
| 859 | bool compare_exchange_weak(_Tp& __e, _Tp __d, |
||
| 860 | memory_order __s, memory_order __f) volatile _NOEXCEPT |
||
| 861 | {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __s, __f);}
|
||
| 862 | _LIBCPP_INLINE_VISIBILITY |
||
| 863 | bool compare_exchange_weak(_Tp& __e, _Tp __d, |
||
| 864 | memory_order __s, memory_order __f) _NOEXCEPT |
||
| 865 | {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __s, __f);}
|
||
| 866 | _LIBCPP_INLINE_VISIBILITY |
||
| 867 | bool compare_exchange_strong(_Tp& __e, _Tp __d, |
||
| 868 | memory_order __s, memory_order __f) volatile _NOEXCEPT |
||
| 869 | {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __s, __f);}
|
||
| 870 | _LIBCPP_INLINE_VISIBILITY |
||
| 871 | bool compare_exchange_strong(_Tp& __e, _Tp __d, |
||
| 872 | memory_order __s, memory_order __f) _NOEXCEPT |
||
| 873 | {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __s, __f);}
|
||
| 874 | _LIBCPP_INLINE_VISIBILITY |
||
| 875 | bool compare_exchange_weak(_Tp& __e, _Tp __d, |
||
| 876 | memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 877 | {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __m, __m);}
|
||
| 878 | _LIBCPP_INLINE_VISIBILITY |
||
| 879 | bool compare_exchange_weak(_Tp& __e, _Tp __d, |
||
| 880 | memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 881 | {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __m, __m);}
|
||
| 882 | _LIBCPP_INLINE_VISIBILITY |
||
| 883 | bool compare_exchange_strong(_Tp& __e, _Tp __d, |
||
| 884 | memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 885 | {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __m, __m);}
|
||
| 886 | _LIBCPP_INLINE_VISIBILITY |
||
| 887 | bool compare_exchange_strong(_Tp& __e, _Tp __d, |
||
| 888 | memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 889 | {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __m, __m);}
|
||
| 890 | |||
| 891 | _LIBCPP_INLINE_VISIBILITY |
||
| 892 | #ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
||
| 893 | __atomic_base() _NOEXCEPT = default; |
||
| 894 | #else |
||
| 895 | __atomic_base() _NOEXCEPT : __a_() {}
|
||
| 896 | #endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
||
| 897 | |||
| 898 | _LIBCPP_INLINE_VISIBILITY |
||
| 899 | _LIBCPP_CONSTEXPR __atomic_base(_Tp __d) _NOEXCEPT : __a_(__d) {}
|
||
| 900 | #ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
||
| 901 | __atomic_base(const __atomic_base&) = delete; |
||
| 902 | __atomic_base& operator=(const __atomic_base&) = delete; |
||
| 903 | __atomic_base& operator=(const __atomic_base&) volatile = delete; |
||
| 904 | #else // _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
||
| 905 | private: |
||
| 906 | __atomic_base(const __atomic_base&); |
||
| 907 | __atomic_base& operator=(const __atomic_base&); |
||
| 908 | __atomic_base& operator=(const __atomic_base&) volatile; |
||
| 909 | #endif // _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
||
| 910 | }; |
||
| 911 | |||
| 912 | // atomic<Integral> |
||
| 913 | |||
| 914 | template <class _Tp> |
||
| 915 | struct __atomic_base<_Tp, true> |
||
| 916 | : public __atomic_base<_Tp, false> |
||
| 917 | {
|
||
| 918 | typedef __atomic_base<_Tp, false> __base; |
||
| 919 | _LIBCPP_INLINE_VISIBILITY |
||
| 920 | __atomic_base() _NOEXCEPT _LIBCPP_DEFAULT |
||
| 921 | _LIBCPP_INLINE_VISIBILITY |
||
| 922 | _LIBCPP_CONSTEXPR __atomic_base(_Tp __d) _NOEXCEPT : __base(__d) {}
|
||
| 923 | |||
| 924 | _LIBCPP_INLINE_VISIBILITY |
||
| 925 | _Tp fetch_add(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 926 | {return __c11_atomic_fetch_add(&this->__a_, __op, __m);}
|
||
| 927 | _LIBCPP_INLINE_VISIBILITY |
||
| 928 | _Tp fetch_add(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 929 | {return __c11_atomic_fetch_add(&this->__a_, __op, __m);}
|
||
| 930 | _LIBCPP_INLINE_VISIBILITY |
||
| 931 | _Tp fetch_sub(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 932 | {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);}
|
||
| 933 | _LIBCPP_INLINE_VISIBILITY |
||
| 934 | _Tp fetch_sub(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 935 | {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);}
|
||
| 936 | _LIBCPP_INLINE_VISIBILITY |
||
| 937 | _Tp fetch_and(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 938 | {return __c11_atomic_fetch_and(&this->__a_, __op, __m);}
|
||
| 939 | _LIBCPP_INLINE_VISIBILITY |
||
| 940 | _Tp fetch_and(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 941 | {return __c11_atomic_fetch_and(&this->__a_, __op, __m);}
|
||
| 942 | _LIBCPP_INLINE_VISIBILITY |
||
| 943 | _Tp fetch_or(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 944 | {return __c11_atomic_fetch_or(&this->__a_, __op, __m);}
|
||
| 945 | _LIBCPP_INLINE_VISIBILITY |
||
| 946 | _Tp fetch_or(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 947 | {return __c11_atomic_fetch_or(&this->__a_, __op, __m);}
|
||
| 948 | _LIBCPP_INLINE_VISIBILITY |
||
| 949 | _Tp fetch_xor(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 950 | {return __c11_atomic_fetch_xor(&this->__a_, __op, __m);}
|
||
| 951 | _LIBCPP_INLINE_VISIBILITY |
||
| 952 | _Tp fetch_xor(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 953 | {return __c11_atomic_fetch_xor(&this->__a_, __op, __m);}
|
||
| 954 | |||
| 955 | _LIBCPP_INLINE_VISIBILITY |
||
| 956 | _Tp operator++(int) volatile _NOEXCEPT {return fetch_add(_Tp(1));}
|
||
| 957 | _LIBCPP_INLINE_VISIBILITY |
||
| 958 | _Tp operator++(int) _NOEXCEPT {return fetch_add(_Tp(1));}
|
||
| 959 | _LIBCPP_INLINE_VISIBILITY |
||
| 960 | _Tp operator--(int) volatile _NOEXCEPT {return fetch_sub(_Tp(1));}
|
||
| 961 | _LIBCPP_INLINE_VISIBILITY |
||
| 962 | _Tp operator--(int) _NOEXCEPT {return fetch_sub(_Tp(1));}
|
||
| 963 | _LIBCPP_INLINE_VISIBILITY |
||
| 964 | _Tp operator++() volatile _NOEXCEPT {return fetch_add(_Tp(1)) + _Tp(1);}
|
||
| 965 | _LIBCPP_INLINE_VISIBILITY |
||
| 966 | _Tp operator++() _NOEXCEPT {return fetch_add(_Tp(1)) + _Tp(1);}
|
||
| 967 | _LIBCPP_INLINE_VISIBILITY |
||
| 968 | _Tp operator--() volatile _NOEXCEPT {return fetch_sub(_Tp(1)) - _Tp(1);}
|
||
| 969 | _LIBCPP_INLINE_VISIBILITY |
||
| 970 | _Tp operator--() _NOEXCEPT {return fetch_sub(_Tp(1)) - _Tp(1);}
|
||
| 971 | _LIBCPP_INLINE_VISIBILITY |
||
| 972 | _Tp operator+=(_Tp __op) volatile _NOEXCEPT {return fetch_add(__op) + __op;}
|
||
| 973 | _LIBCPP_INLINE_VISIBILITY |
||
| 974 | _Tp operator+=(_Tp __op) _NOEXCEPT {return fetch_add(__op) + __op;}
|
||
| 975 | _LIBCPP_INLINE_VISIBILITY |
||
| 976 | _Tp operator-=(_Tp __op) volatile _NOEXCEPT {return fetch_sub(__op) - __op;}
|
||
| 977 | _LIBCPP_INLINE_VISIBILITY |
||
| 978 | _Tp operator-=(_Tp __op) _NOEXCEPT {return fetch_sub(__op) - __op;}
|
||
| 979 | _LIBCPP_INLINE_VISIBILITY |
||
| 980 | _Tp operator&=(_Tp __op) volatile _NOEXCEPT {return fetch_and(__op) & __op;}
|
||
| 981 | _LIBCPP_INLINE_VISIBILITY |
||
| 982 | _Tp operator&=(_Tp __op) _NOEXCEPT {return fetch_and(__op) & __op;}
|
||
| 983 | _LIBCPP_INLINE_VISIBILITY |
||
| 984 | _Tp operator|=(_Tp __op) volatile _NOEXCEPT {return fetch_or(__op) | __op;}
|
||
| 985 | _LIBCPP_INLINE_VISIBILITY |
||
| 986 | _Tp operator|=(_Tp __op) _NOEXCEPT {return fetch_or(__op) | __op;}
|
||
| 987 | _LIBCPP_INLINE_VISIBILITY |
||
| 988 | _Tp operator^=(_Tp __op) volatile _NOEXCEPT {return fetch_xor(__op) ^ __op;}
|
||
| 989 | _LIBCPP_INLINE_VISIBILITY |
||
| 990 | _Tp operator^=(_Tp __op) _NOEXCEPT {return fetch_xor(__op) ^ __op;}
|
||
| 991 | }; |
||
| 992 | |||
| 993 | // atomic<T> |
||
| 994 | |||
| 995 | template <class _Tp> |
||
| 996 | struct atomic |
||
| 997 | : public __atomic_base<_Tp> |
||
| 998 | {
|
||
| 999 | typedef __atomic_base<_Tp> __base; |
||
| 1000 | _LIBCPP_INLINE_VISIBILITY |
||
| 1001 | atomic() _NOEXCEPT _LIBCPP_DEFAULT |
||
| 1002 | _LIBCPP_INLINE_VISIBILITY |
||
| 1003 | _LIBCPP_CONSTEXPR atomic(_Tp __d) _NOEXCEPT : __base(__d) {}
|
||
| 1004 | |||
| 1005 | _LIBCPP_INLINE_VISIBILITY |
||
| 1006 | _Tp operator=(_Tp __d) volatile _NOEXCEPT |
||
| 1007 | {__base::store(__d); return __d;}
|
||
| 1008 | _LIBCPP_INLINE_VISIBILITY |
||
| 1009 | _Tp operator=(_Tp __d) _NOEXCEPT |
||
| 1010 | {__base::store(__d); return __d;}
|
||
| 1011 | }; |
||
| 1012 | |||
| 1013 | // atomic<T*> |
||
| 1014 | |||
| 1015 | template <class _Tp> |
||
| 1016 | struct atomic<_Tp*> |
||
| 1017 | : public __atomic_base<_Tp*> |
||
| 1018 | {
|
||
| 1019 | typedef __atomic_base<_Tp*> __base; |
||
| 1020 | _LIBCPP_INLINE_VISIBILITY |
||
| 1021 | atomic() _NOEXCEPT _LIBCPP_DEFAULT |
||
| 1022 | _LIBCPP_INLINE_VISIBILITY |
||
| 1023 | _LIBCPP_CONSTEXPR atomic(_Tp* __d) _NOEXCEPT : __base(__d) {}
|
||
| 1024 | |||
| 1025 | _LIBCPP_INLINE_VISIBILITY |
||
| 1026 | _Tp* operator=(_Tp* __d) volatile _NOEXCEPT |
||
| 1027 | {__base::store(__d); return __d;}
|
||
| 1028 | _LIBCPP_INLINE_VISIBILITY |
||
| 1029 | _Tp* operator=(_Tp* __d) _NOEXCEPT |
||
| 1030 | {__base::store(__d); return __d;}
|
||
| 1031 | |||
| 1032 | _LIBCPP_INLINE_VISIBILITY |
||
| 1033 | _Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) |
||
| 1034 | volatile _NOEXCEPT |
||
| 1035 | {return __c11_atomic_fetch_add(&this->__a_, __op, __m);}
|
||
| 1036 | _LIBCPP_INLINE_VISIBILITY |
||
| 1037 | _Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 1038 | {return __c11_atomic_fetch_add(&this->__a_, __op, __m);}
|
||
| 1039 | _LIBCPP_INLINE_VISIBILITY |
||
| 1040 | _Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) |
||
| 1041 | volatile _NOEXCEPT |
||
| 1042 | {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);}
|
||
| 1043 | _LIBCPP_INLINE_VISIBILITY |
||
| 1044 | _Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 1045 | {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);}
|
||
| 1046 | |||
| 1047 | _LIBCPP_INLINE_VISIBILITY |
||
| 1048 | _Tp* operator++(int) volatile _NOEXCEPT {return fetch_add(1);}
|
||
| 1049 | _LIBCPP_INLINE_VISIBILITY |
||
| 1050 | _Tp* operator++(int) _NOEXCEPT {return fetch_add(1);}
|
||
| 1051 | _LIBCPP_INLINE_VISIBILITY |
||
| 1052 | _Tp* operator--(int) volatile _NOEXCEPT {return fetch_sub(1);}
|
||
| 1053 | _LIBCPP_INLINE_VISIBILITY |
||
| 1054 | _Tp* operator--(int) _NOEXCEPT {return fetch_sub(1);}
|
||
| 1055 | _LIBCPP_INLINE_VISIBILITY |
||
| 1056 | _Tp* operator++() volatile _NOEXCEPT {return fetch_add(1) + 1;}
|
||
| 1057 | _LIBCPP_INLINE_VISIBILITY |
||
| 1058 | _Tp* operator++() _NOEXCEPT {return fetch_add(1) + 1;}
|
||
| 1059 | _LIBCPP_INLINE_VISIBILITY |
||
| 1060 | _Tp* operator--() volatile _NOEXCEPT {return fetch_sub(1) - 1;}
|
||
| 1061 | _LIBCPP_INLINE_VISIBILITY |
||
| 1062 | _Tp* operator--() _NOEXCEPT {return fetch_sub(1) - 1;}
|
||
| 1063 | _LIBCPP_INLINE_VISIBILITY |
||
| 1064 | _Tp* operator+=(ptrdiff_t __op) volatile _NOEXCEPT {return fetch_add(__op) + __op;}
|
||
| 1065 | _LIBCPP_INLINE_VISIBILITY |
||
| 1066 | _Tp* operator+=(ptrdiff_t __op) _NOEXCEPT {return fetch_add(__op) + __op;}
|
||
| 1067 | _LIBCPP_INLINE_VISIBILITY |
||
| 1068 | _Tp* operator-=(ptrdiff_t __op) volatile _NOEXCEPT {return fetch_sub(__op) - __op;}
|
||
| 1069 | _LIBCPP_INLINE_VISIBILITY |
||
| 1070 | _Tp* operator-=(ptrdiff_t __op) _NOEXCEPT {return fetch_sub(__op) - __op;}
|
||
| 1071 | }; |
||
| 1072 | |||
| 1073 | // atomic_is_lock_free |
||
| 1074 | |||
| 1075 | template <class _Tp> |
||
| 1076 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1077 | bool |
||
| 1078 | atomic_is_lock_free(const volatile atomic<_Tp>* __o) _NOEXCEPT |
||
| 1079 | {
|
||
| 1080 | return __o->is_lock_free(); |
||
| 1081 | } |
||
| 1082 | |||
| 1083 | template <class _Tp> |
||
| 1084 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1085 | bool |
||
| 1086 | atomic_is_lock_free(const atomic<_Tp>* __o) _NOEXCEPT |
||
| 1087 | {
|
||
| 1088 | return __o->is_lock_free(); |
||
| 1089 | } |
||
| 1090 | |||
| 1091 | // atomic_init |
||
| 1092 | |||
| 1093 | template <class _Tp> |
||
| 1094 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1095 | void |
||
| 1096 | atomic_init(volatile atomic<_Tp>* __o, _Tp __d) _NOEXCEPT |
||
| 1097 | {
|
||
| 1098 | __c11_atomic_init(&__o->__a_, __d); |
||
| 1099 | } |
||
| 1100 | |||
| 1101 | template <class _Tp> |
||
| 1102 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1103 | void |
||
| 1104 | atomic_init(atomic<_Tp>* __o, _Tp __d) _NOEXCEPT |
||
| 1105 | {
|
||
| 1106 | __c11_atomic_init(&__o->__a_, __d); |
||
| 1107 | } |
||
| 1108 | |||
| 1109 | // atomic_store |
||
| 1110 | |||
| 1111 | template <class _Tp> |
||
| 1112 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1113 | void |
||
| 1114 | atomic_store(volatile atomic<_Tp>* __o, _Tp __d) _NOEXCEPT |
||
| 1115 | {
|
||
| 1116 | __o->store(__d); |
||
| 1117 | } |
||
| 1118 | |||
| 1119 | template <class _Tp> |
||
| 1120 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1121 | void |
||
| 1122 | atomic_store(atomic<_Tp>* __o, _Tp __d) _NOEXCEPT |
||
| 1123 | {
|
||
| 1124 | __o->store(__d); |
||
| 1125 | } |
||
| 1126 | |||
| 1127 | // atomic_store_explicit |
||
| 1128 | |||
| 1129 | template <class _Tp> |
||
| 1130 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1131 | void |
||
| 1132 | atomic_store_explicit(volatile atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT |
||
| 1133 | {
|
||
| 1134 | __o->store(__d, __m); |
||
| 1135 | } |
||
| 1136 | |||
| 1137 | template <class _Tp> |
||
| 1138 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1139 | void |
||
| 1140 | atomic_store_explicit(atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT |
||
| 1141 | {
|
||
| 1142 | __o->store(__d, __m); |
||
| 1143 | } |
||
| 1144 | |||
| 1145 | // atomic_load |
||
| 1146 | |||
| 1147 | template <class _Tp> |
||
| 1148 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1149 | _Tp |
||
| 1150 | atomic_load(const volatile atomic<_Tp>* __o) _NOEXCEPT |
||
| 1151 | {
|
||
| 1152 | return __o->load(); |
||
| 1153 | } |
||
| 1154 | |||
| 1155 | template <class _Tp> |
||
| 1156 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1157 | _Tp |
||
| 1158 | atomic_load(const atomic<_Tp>* __o) _NOEXCEPT |
||
| 1159 | {
|
||
| 1160 | return __o->load(); |
||
| 1161 | } |
||
| 1162 | |||
| 1163 | // atomic_load_explicit |
||
| 1164 | |||
| 1165 | template <class _Tp> |
||
| 1166 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1167 | _Tp |
||
| 1168 | atomic_load_explicit(const volatile atomic<_Tp>* __o, memory_order __m) _NOEXCEPT |
||
| 1169 | {
|
||
| 1170 | return __o->load(__m); |
||
| 1171 | } |
||
| 1172 | |||
| 1173 | template <class _Tp> |
||
| 1174 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1175 | _Tp |
||
| 1176 | atomic_load_explicit(const atomic<_Tp>* __o, memory_order __m) _NOEXCEPT |
||
| 1177 | {
|
||
| 1178 | return __o->load(__m); |
||
| 1179 | } |
||
| 1180 | |||
| 1181 | // atomic_exchange |
||
| 1182 | |||
| 1183 | template <class _Tp> |
||
| 1184 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1185 | _Tp |
||
| 1186 | atomic_exchange(volatile atomic<_Tp>* __o, _Tp __d) _NOEXCEPT |
||
| 1187 | {
|
||
| 1188 | return __o->exchange(__d); |
||
| 1189 | } |
||
| 1190 | |||
| 1191 | template <class _Tp> |
||
| 1192 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1193 | _Tp |
||
| 1194 | atomic_exchange(atomic<_Tp>* __o, _Tp __d) _NOEXCEPT |
||
| 1195 | {
|
||
| 1196 | return __o->exchange(__d); |
||
| 1197 | } |
||
| 1198 | |||
| 1199 | // atomic_exchange_explicit |
||
| 1200 | |||
| 1201 | template <class _Tp> |
||
| 1202 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1203 | _Tp |
||
| 1204 | atomic_exchange_explicit(volatile atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT |
||
| 1205 | {
|
||
| 1206 | return __o->exchange(__d, __m); |
||
| 1207 | } |
||
| 1208 | |||
| 1209 | template <class _Tp> |
||
| 1210 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1211 | _Tp |
||
| 1212 | atomic_exchange_explicit(atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT |
||
| 1213 | {
|
||
| 1214 | return __o->exchange(__d, __m); |
||
| 1215 | } |
||
| 1216 | |||
| 1217 | // atomic_compare_exchange_weak |
||
| 1218 | |||
| 1219 | template <class _Tp> |
||
| 1220 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1221 | bool |
||
| 1222 | atomic_compare_exchange_weak(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT |
||
| 1223 | {
|
||
| 1224 | return __o->compare_exchange_weak(*__e, __d); |
||
| 1225 | } |
||
| 1226 | |||
| 1227 | template <class _Tp> |
||
| 1228 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1229 | bool |
||
| 1230 | atomic_compare_exchange_weak(atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT |
||
| 1231 | {
|
||
| 1232 | return __o->compare_exchange_weak(*__e, __d); |
||
| 1233 | } |
||
| 1234 | |||
| 1235 | // atomic_compare_exchange_strong |
||
| 1236 | |||
| 1237 | template <class _Tp> |
||
| 1238 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1239 | bool |
||
| 1240 | atomic_compare_exchange_strong(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT |
||
| 1241 | {
|
||
| 1242 | return __o->compare_exchange_strong(*__e, __d); |
||
| 1243 | } |
||
| 1244 | |||
| 1245 | template <class _Tp> |
||
| 1246 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1247 | bool |
||
| 1248 | atomic_compare_exchange_strong(atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT |
||
| 1249 | {
|
||
| 1250 | return __o->compare_exchange_strong(*__e, __d); |
||
| 1251 | } |
||
| 1252 | |||
| 1253 | // atomic_compare_exchange_weak_explicit |
||
| 1254 | |||
| 1255 | template <class _Tp> |
||
| 1256 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1257 | bool |
||
| 1258 | atomic_compare_exchange_weak_explicit(volatile atomic<_Tp>* __o, _Tp* __e, |
||
| 1259 | _Tp __d, |
||
| 1260 | memory_order __s, memory_order __f) _NOEXCEPT |
||
| 1261 | {
|
||
| 1262 | return __o->compare_exchange_weak(*__e, __d, __s, __f); |
||
| 1263 | } |
||
| 1264 | |||
| 1265 | template <class _Tp> |
||
| 1266 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1267 | bool |
||
| 1268 | atomic_compare_exchange_weak_explicit(atomic<_Tp>* __o, _Tp* __e, _Tp __d, |
||
| 1269 | memory_order __s, memory_order __f) _NOEXCEPT |
||
| 1270 | {
|
||
| 1271 | return __o->compare_exchange_weak(*__e, __d, __s, __f); |
||
| 1272 | } |
||
| 1273 | |||
| 1274 | // atomic_compare_exchange_strong_explicit |
||
| 1275 | |||
| 1276 | template <class _Tp> |
||
| 1277 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1278 | bool |
||
| 1279 | atomic_compare_exchange_strong_explicit(volatile atomic<_Tp>* __o, |
||
| 1280 | _Tp* __e, _Tp __d, |
||
| 1281 | memory_order __s, memory_order __f) _NOEXCEPT |
||
| 1282 | {
|
||
| 1283 | return __o->compare_exchange_strong(*__e, __d, __s, __f); |
||
| 1284 | } |
||
| 1285 | |||
| 1286 | template <class _Tp> |
||
| 1287 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1288 | bool |
||
| 1289 | atomic_compare_exchange_strong_explicit(atomic<_Tp>* __o, _Tp* __e, |
||
| 1290 | _Tp __d, |
||
| 1291 | memory_order __s, memory_order __f) _NOEXCEPT |
||
| 1292 | {
|
||
| 1293 | return __o->compare_exchange_strong(*__e, __d, __s, __f); |
||
| 1294 | } |
||
| 1295 | |||
| 1296 | // atomic_fetch_add |
||
| 1297 | |||
| 1298 | template <class _Tp> |
||
| 1299 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1300 | typename enable_if |
||
| 1301 | < |
||
| 1302 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1303 | _Tp |
||
| 1304 | >::type |
||
| 1305 | atomic_fetch_add(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1306 | {
|
||
| 1307 | return __o->fetch_add(__op); |
||
| 1308 | } |
||
| 1309 | |||
| 1310 | template <class _Tp> |
||
| 1311 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1312 | typename enable_if |
||
| 1313 | < |
||
| 1314 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1315 | _Tp |
||
| 1316 | >::type |
||
| 1317 | atomic_fetch_add(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1318 | {
|
||
| 1319 | return __o->fetch_add(__op); |
||
| 1320 | } |
||
| 1321 | |||
| 1322 | template <class _Tp> |
||
| 1323 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1324 | _Tp* |
||
| 1325 | atomic_fetch_add(volatile atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT |
||
| 1326 | {
|
||
| 1327 | return __o->fetch_add(__op); |
||
| 1328 | } |
||
| 1329 | |||
| 1330 | template <class _Tp> |
||
| 1331 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1332 | _Tp* |
||
| 1333 | atomic_fetch_add(atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT |
||
| 1334 | {
|
||
| 1335 | return __o->fetch_add(__op); |
||
| 1336 | } |
||
| 1337 | |||
| 1338 | // atomic_fetch_add_explicit |
||
| 1339 | |||
| 1340 | template <class _Tp> |
||
| 1341 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1342 | typename enable_if |
||
| 1343 | < |
||
| 1344 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1345 | _Tp |
||
| 1346 | >::type |
||
| 1347 | atomic_fetch_add_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1348 | {
|
||
| 1349 | return __o->fetch_add(__op, __m); |
||
| 1350 | } |
||
| 1351 | |||
| 1352 | template <class _Tp> |
||
| 1353 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1354 | typename enable_if |
||
| 1355 | < |
||
| 1356 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1357 | _Tp |
||
| 1358 | >::type |
||
| 1359 | atomic_fetch_add_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1360 | {
|
||
| 1361 | return __o->fetch_add(__op, __m); |
||
| 1362 | } |
||
| 1363 | |||
| 1364 | template <class _Tp> |
||
| 1365 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1366 | _Tp* |
||
| 1367 | atomic_fetch_add_explicit(volatile atomic<_Tp*>* __o, ptrdiff_t __op, |
||
| 1368 | memory_order __m) _NOEXCEPT |
||
| 1369 | {
|
||
| 1370 | return __o->fetch_add(__op, __m); |
||
| 1371 | } |
||
| 1372 | |||
| 1373 | template <class _Tp> |
||
| 1374 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1375 | _Tp* |
||
| 1376 | atomic_fetch_add_explicit(atomic<_Tp*>* __o, ptrdiff_t __op, memory_order __m) _NOEXCEPT |
||
| 1377 | {
|
||
| 1378 | return __o->fetch_add(__op, __m); |
||
| 1379 | } |
||
| 1380 | |||
| 1381 | // atomic_fetch_sub |
||
| 1382 | |||
| 1383 | template <class _Tp> |
||
| 1384 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1385 | typename enable_if |
||
| 1386 | < |
||
| 1387 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1388 | _Tp |
||
| 1389 | >::type |
||
| 1390 | atomic_fetch_sub(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1391 | {
|
||
| 1392 | return __o->fetch_sub(__op); |
||
| 1393 | } |
||
| 1394 | |||
| 1395 | template <class _Tp> |
||
| 1396 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1397 | typename enable_if |
||
| 1398 | < |
||
| 1399 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1400 | _Tp |
||
| 1401 | >::type |
||
| 1402 | atomic_fetch_sub(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1403 | {
|
||
| 1404 | return __o->fetch_sub(__op); |
||
| 1405 | } |
||
| 1406 | |||
| 1407 | template <class _Tp> |
||
| 1408 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1409 | _Tp* |
||
| 1410 | atomic_fetch_sub(volatile atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT |
||
| 1411 | {
|
||
| 1412 | return __o->fetch_sub(__op); |
||
| 1413 | } |
||
| 1414 | |||
| 1415 | template <class _Tp> |
||
| 1416 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1417 | _Tp* |
||
| 1418 | atomic_fetch_sub(atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT |
||
| 1419 | {
|
||
| 1420 | return __o->fetch_sub(__op); |
||
| 1421 | } |
||
| 1422 | |||
| 1423 | // atomic_fetch_sub_explicit |
||
| 1424 | |||
| 1425 | template <class _Tp> |
||
| 1426 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1427 | typename enable_if |
||
| 1428 | < |
||
| 1429 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1430 | _Tp |
||
| 1431 | >::type |
||
| 1432 | atomic_fetch_sub_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1433 | {
|
||
| 1434 | return __o->fetch_sub(__op, __m); |
||
| 1435 | } |
||
| 1436 | |||
| 1437 | template <class _Tp> |
||
| 1438 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1439 | typename enable_if |
||
| 1440 | < |
||
| 1441 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1442 | _Tp |
||
| 1443 | >::type |
||
| 1444 | atomic_fetch_sub_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1445 | {
|
||
| 1446 | return __o->fetch_sub(__op, __m); |
||
| 1447 | } |
||
| 1448 | |||
| 1449 | template <class _Tp> |
||
| 1450 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1451 | _Tp* |
||
| 1452 | atomic_fetch_sub_explicit(volatile atomic<_Tp*>* __o, ptrdiff_t __op, |
||
| 1453 | memory_order __m) _NOEXCEPT |
||
| 1454 | {
|
||
| 1455 | return __o->fetch_sub(__op, __m); |
||
| 1456 | } |
||
| 1457 | |||
| 1458 | template <class _Tp> |
||
| 1459 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1460 | _Tp* |
||
| 1461 | atomic_fetch_sub_explicit(atomic<_Tp*>* __o, ptrdiff_t __op, memory_order __m) _NOEXCEPT |
||
| 1462 | {
|
||
| 1463 | return __o->fetch_sub(__op, __m); |
||
| 1464 | } |
||
| 1465 | |||
| 1466 | // atomic_fetch_and |
||
| 1467 | |||
| 1468 | template <class _Tp> |
||
| 1469 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1470 | typename enable_if |
||
| 1471 | < |
||
| 1472 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1473 | _Tp |
||
| 1474 | >::type |
||
| 1475 | atomic_fetch_and(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1476 | {
|
||
| 1477 | return __o->fetch_and(__op); |
||
| 1478 | } |
||
| 1479 | |||
| 1480 | template <class _Tp> |
||
| 1481 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1482 | typename enable_if |
||
| 1483 | < |
||
| 1484 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1485 | _Tp |
||
| 1486 | >::type |
||
| 1487 | atomic_fetch_and(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1488 | {
|
||
| 1489 | return __o->fetch_and(__op); |
||
| 1490 | } |
||
| 1491 | |||
| 1492 | // atomic_fetch_and_explicit |
||
| 1493 | |||
| 1494 | template <class _Tp> |
||
| 1495 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1496 | typename enable_if |
||
| 1497 | < |
||
| 1498 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1499 | _Tp |
||
| 1500 | >::type |
||
| 1501 | atomic_fetch_and_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1502 | {
|
||
| 1503 | return __o->fetch_and(__op, __m); |
||
| 1504 | } |
||
| 1505 | |||
| 1506 | template <class _Tp> |
||
| 1507 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1508 | typename enable_if |
||
| 1509 | < |
||
| 1510 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1511 | _Tp |
||
| 1512 | >::type |
||
| 1513 | atomic_fetch_and_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1514 | {
|
||
| 1515 | return __o->fetch_and(__op, __m); |
||
| 1516 | } |
||
| 1517 | |||
| 1518 | // atomic_fetch_or |
||
| 1519 | |||
| 1520 | template <class _Tp> |
||
| 1521 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1522 | typename enable_if |
||
| 1523 | < |
||
| 1524 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1525 | _Tp |
||
| 1526 | >::type |
||
| 1527 | atomic_fetch_or(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1528 | {
|
||
| 1529 | return __o->fetch_or(__op); |
||
| 1530 | } |
||
| 1531 | |||
| 1532 | template <class _Tp> |
||
| 1533 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1534 | typename enable_if |
||
| 1535 | < |
||
| 1536 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1537 | _Tp |
||
| 1538 | >::type |
||
| 1539 | atomic_fetch_or(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1540 | {
|
||
| 1541 | return __o->fetch_or(__op); |
||
| 1542 | } |
||
| 1543 | |||
| 1544 | // atomic_fetch_or_explicit |
||
| 1545 | |||
| 1546 | template <class _Tp> |
||
| 1547 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1548 | typename enable_if |
||
| 1549 | < |
||
| 1550 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1551 | _Tp |
||
| 1552 | >::type |
||
| 1553 | atomic_fetch_or_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1554 | {
|
||
| 1555 | return __o->fetch_or(__op, __m); |
||
| 1556 | } |
||
| 1557 | |||
| 1558 | template <class _Tp> |
||
| 1559 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1560 | typename enable_if |
||
| 1561 | < |
||
| 1562 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1563 | _Tp |
||
| 1564 | >::type |
||
| 1565 | atomic_fetch_or_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1566 | {
|
||
| 1567 | return __o->fetch_or(__op, __m); |
||
| 1568 | } |
||
| 1569 | |||
| 1570 | // atomic_fetch_xor |
||
| 1571 | |||
| 1572 | template <class _Tp> |
||
| 1573 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1574 | typename enable_if |
||
| 1575 | < |
||
| 1576 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1577 | _Tp |
||
| 1578 | >::type |
||
| 1579 | atomic_fetch_xor(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1580 | {
|
||
| 1581 | return __o->fetch_xor(__op); |
||
| 1582 | } |
||
| 1583 | |||
| 1584 | template <class _Tp> |
||
| 1585 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1586 | typename enable_if |
||
| 1587 | < |
||
| 1588 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1589 | _Tp |
||
| 1590 | >::type |
||
| 1591 | atomic_fetch_xor(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT |
||
| 1592 | {
|
||
| 1593 | return __o->fetch_xor(__op); |
||
| 1594 | } |
||
| 1595 | |||
| 1596 | // atomic_fetch_xor_explicit |
||
| 1597 | |||
| 1598 | template <class _Tp> |
||
| 1599 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1600 | typename enable_if |
||
| 1601 | < |
||
| 1602 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1603 | _Tp |
||
| 1604 | >::type |
||
| 1605 | atomic_fetch_xor_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1606 | {
|
||
| 1607 | return __o->fetch_xor(__op, __m); |
||
| 1608 | } |
||
| 1609 | |||
| 1610 | template <class _Tp> |
||
| 1611 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1612 | typename enable_if |
||
| 1613 | < |
||
| 1614 | is_integral<_Tp>::value && !is_same<_Tp, bool>::value, |
||
| 1615 | _Tp |
||
| 1616 | >::type |
||
| 1617 | atomic_fetch_xor_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT |
||
| 1618 | {
|
||
| 1619 | return __o->fetch_xor(__op, __m); |
||
| 1620 | } |
||
| 1621 | |||
| 1622 | // flag type and operations |
||
| 1623 | |||
| 1624 | typedef struct atomic_flag |
||
| 1625 | {
|
||
| 1626 | _Atomic(bool) __a_; |
||
| 1627 | |||
| 1628 | _LIBCPP_INLINE_VISIBILITY |
||
| 1629 | bool test_and_set(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 1630 | {return __c11_atomic_exchange(&__a_, true, __m);}
|
||
| 1631 | _LIBCPP_INLINE_VISIBILITY |
||
| 1632 | bool test_and_set(memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 1633 | {return __c11_atomic_exchange(&__a_, true, __m);}
|
||
| 1634 | _LIBCPP_INLINE_VISIBILITY |
||
| 1635 | void clear(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT |
||
| 1636 | {__c11_atomic_store(&__a_, false, __m);}
|
||
| 1637 | _LIBCPP_INLINE_VISIBILITY |
||
| 1638 | void clear(memory_order __m = memory_order_seq_cst) _NOEXCEPT |
||
| 1639 | {__c11_atomic_store(&__a_, false, __m);}
|
||
| 1640 | |||
| 1641 | _LIBCPP_INLINE_VISIBILITY |
||
| 1642 | #ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
||
| 1643 | atomic_flag() _NOEXCEPT = default; |
||
| 1644 | #else |
||
| 1645 | atomic_flag() _NOEXCEPT : __a_() {}
|
||
| 1646 | #endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
||
| 1647 | |||
| 1648 | _LIBCPP_INLINE_VISIBILITY |
||
| 1649 | atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {}
|
||
| 1650 | |||
| 1651 | #ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
||
| 1652 | atomic_flag(const atomic_flag&) = delete; |
||
| 1653 | atomic_flag& operator=(const atomic_flag&) = delete; |
||
| 1654 | atomic_flag& operator=(const atomic_flag&) volatile = delete; |
||
| 1655 | #else // _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
||
| 1656 | private: |
||
| 1657 | atomic_flag(const atomic_flag&); |
||
| 1658 | atomic_flag& operator=(const atomic_flag&); |
||
| 1659 | atomic_flag& operator=(const atomic_flag&) volatile; |
||
| 1660 | #endif // _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
||
| 1661 | } atomic_flag; |
||
| 1662 | |||
| 1663 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1664 | bool |
||
| 1665 | atomic_flag_test_and_set(volatile atomic_flag* __o) _NOEXCEPT |
||
| 1666 | {
|
||
| 1667 | return __o->test_and_set(); |
||
| 1668 | } |
||
| 1669 | |||
| 1670 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1671 | bool |
||
| 1672 | atomic_flag_test_and_set(atomic_flag* __o) _NOEXCEPT |
||
| 1673 | {
|
||
| 1674 | return __o->test_and_set(); |
||
| 1675 | } |
||
| 1676 | |||
| 1677 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1678 | bool |
||
| 1679 | atomic_flag_test_and_set_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT |
||
| 1680 | {
|
||
| 1681 | return __o->test_and_set(__m); |
||
| 1682 | } |
||
| 1683 | |||
| 1684 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1685 | bool |
||
| 1686 | atomic_flag_test_and_set_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT |
||
| 1687 | {
|
||
| 1688 | return __o->test_and_set(__m); |
||
| 1689 | } |
||
| 1690 | |||
| 1691 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1692 | void |
||
| 1693 | atomic_flag_clear(volatile atomic_flag* __o) _NOEXCEPT |
||
| 1694 | {
|
||
| 1695 | __o->clear(); |
||
| 1696 | } |
||
| 1697 | |||
| 1698 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1699 | void |
||
| 1700 | atomic_flag_clear(atomic_flag* __o) _NOEXCEPT |
||
| 1701 | {
|
||
| 1702 | __o->clear(); |
||
| 1703 | } |
||
| 1704 | |||
| 1705 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1706 | void |
||
| 1707 | atomic_flag_clear_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT |
||
| 1708 | {
|
||
| 1709 | __o->clear(__m); |
||
| 1710 | } |
||
| 1711 | |||
| 1712 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1713 | void |
||
| 1714 | atomic_flag_clear_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT |
||
| 1715 | {
|
||
| 1716 | __o->clear(__m); |
||
| 1717 | } |
||
| 1718 | |||
| 1719 | // fences |
||
| 1720 | |||
| 1721 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1722 | void |
||
| 1723 | atomic_thread_fence(memory_order __m) _NOEXCEPT |
||
| 1724 | {
|
||
| 1725 | __c11_atomic_thread_fence(__m); |
||
| 1726 | } |
||
| 1727 | |||
| 1728 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1729 | void |
||
| 1730 | atomic_signal_fence(memory_order __m) _NOEXCEPT |
||
| 1731 | {
|
||
| 1732 | __c11_atomic_signal_fence(__m); |
||
| 1733 | } |
||
| 1734 | |||
| 1735 | // Atomics for standard typedef types |
||
| 1736 | |||
| 1737 | typedef atomic<bool> atomic_bool; |
||
| 1738 | typedef atomic<char> atomic_char; |
||
| 1739 | typedef atomic<signed char> atomic_schar; |
||
| 1740 | typedef atomic<unsigned char> atomic_uchar; |
||
| 1741 | typedef atomic<short> atomic_short; |
||
| 1742 | typedef atomic<unsigned short> atomic_ushort; |
||
| 1743 | typedef atomic<int> atomic_int; |
||
| 1744 | typedef atomic<unsigned int> atomic_uint; |
||
| 1745 | typedef atomic<long> atomic_long; |
||
| 1746 | typedef atomic<unsigned long> atomic_ulong; |
||
| 1747 | typedef atomic<long long> atomic_llong; |
||
| 1748 | typedef atomic<unsigned long long> atomic_ullong; |
||
| 1749 | typedef atomic<char16_t> atomic_char16_t; |
||
| 1750 | typedef atomic<char32_t> atomic_char32_t; |
||
| 1751 | typedef atomic<wchar_t> atomic_wchar_t; |
||
| 1752 | |||
| 1753 | typedef atomic<int_least8_t> atomic_int_least8_t; |
||
| 1754 | typedef atomic<uint_least8_t> atomic_uint_least8_t; |
||
| 1755 | typedef atomic<int_least16_t> atomic_int_least16_t; |
||
| 1756 | typedef atomic<uint_least16_t> atomic_uint_least16_t; |
||
| 1757 | typedef atomic<int_least32_t> atomic_int_least32_t; |
||
| 1758 | typedef atomic<uint_least32_t> atomic_uint_least32_t; |
||
| 1759 | typedef atomic<int_least64_t> atomic_int_least64_t; |
||
| 1760 | typedef atomic<uint_least64_t> atomic_uint_least64_t; |
||
| 1761 | |||
| 1762 | typedef atomic<int_fast8_t> atomic_int_fast8_t; |
||
| 1763 | typedef atomic<uint_fast8_t> atomic_uint_fast8_t; |
||
| 1764 | typedef atomic<int_fast16_t> atomic_int_fast16_t; |
||
| 1765 | typedef atomic<uint_fast16_t> atomic_uint_fast16_t; |
||
| 1766 | typedef atomic<int_fast32_t> atomic_int_fast32_t; |
||
| 1767 | typedef atomic<uint_fast32_t> atomic_uint_fast32_t; |
||
| 1768 | typedef atomic<int_fast64_t> atomic_int_fast64_t; |
||
| 1769 | typedef atomic<uint_fast64_t> atomic_uint_fast64_t; |
||
| 1770 | |||
| 1771 | typedef atomic<intptr_t> atomic_intptr_t; |
||
| 1772 | typedef atomic<uintptr_t> atomic_uintptr_t; |
||
| 1773 | typedef atomic<size_t> atomic_size_t; |
||
| 1774 | typedef atomic<ptrdiff_t> atomic_ptrdiff_t; |
||
| 1775 | typedef atomic<intmax_t> atomic_intmax_t; |
||
| 1776 | typedef atomic<uintmax_t> atomic_uintmax_t; |
||
| 1777 | |||
| 1778 | #define ATOMIC_FLAG_INIT {false}
|
||
| 1779 | #define ATOMIC_VAR_INIT(__v) {__v}
|
||
| 1780 | |||
| 1781 | #define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE |
||
| 1782 | #define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE |
||
| 1783 | #define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE |
||
| 1784 | #define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE |
||
| 1785 | #define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE |
||
| 1786 | #define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE |
||
| 1787 | #define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE |
||
| 1788 | #define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE |
||
| 1789 | #define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE |
||
| 1790 | #define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE |
||
| 1791 | |||
| 1792 | _LIBCPP_END_NAMESPACE_STD |
||
| 1793 | |||
| 1794 | #endif // _LIBCPP_ATOMIC |