1 // -*- C++ -*- header. 2 3 // Copyright (C) 2008, 2009 4 // Free Software Foundation, Inc. 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the 8 // terms of the GNU General Public License as published by the 9 // Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 17 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 /** @file bits/atomicfwd_c.h 27 * This is an internal header file, included by other library headers. 28 * You should not attempt to use it directly. 29 */ 30 31 // "C" only bits. 32 33 #define _ATOMIC_MEMBER_ ((__a)->_M_i) 34 35 // POD base classes for atomic intgral types. 36 struct __atomic_bool_base 37 { 38 bool _M_i; 39 }; 40 41 struct __atomic_char_base 42 { 43 char _M_i; 44 }; 45 46 struct __atomic_schar_base 47 { 48 signed char _M_i; 49 }; 50 51 struct __atomic_uchar_base 52 { 53 unsigned char _M_i; 54 }; 55 56 struct __atomic_short_base 57 { 58 short _M_i; 59 }; 60 61 struct __atomic_ushort_base 62 { 63 unsigned short _M_i; 64 }; 65 66 struct __atomic_int_base 67 { 68 int _M_i; 69 }; 70 71 struct __atomic_uint_base 72 { 73 unsigned int _M_i; 74 }; 75 76 struct __atomic_long_base 77 { 78 long _M_i; 79 }; 80 81 struct __atomic_ulong_base 82 { 83 unsigned long _M_i; 84 }; 85 86 struct __atomic_llong_base 87 { 88 long long _M_i; 89 }; 90 91 struct __atomic_ullong_base 92 { 93 unsigned long long _M_i; 94 }; 95 96 struct __atomic_wchar_t_base 97 { 98 wchar_t _M_i; 99 }; 100 101 typedef struct __atomic_flag_base atomic_flag; 102 typedef struct __atomic_address_base atomic_address; 103 typedef struct __atomic_bool_base atomic_bool; 104 typedef struct __atomic_char_base atomic_char; 105 typedef struct __atomic_schar_base atomic_schar; 106 typedef struct __atomic_uchar_base atomic_uchar; 107 typedef struct __atomic_short_base atomic_short; 108 typedef struct __atomic_ushort_base atomic_ushort; 109 typedef struct __atomic_int_base atomic_int; 110 typedef struct __atomic_uint_base atomic_uint; 111 typedef struct __atomic_long_base atomic_long; 112 typedef struct __atomic_ulong_base atomic_ulong; 113 typedef struct __atomic_llong_base atomic_llong; 114 typedef struct __atomic_ullong_base atomic_ullong; 115 typedef struct __atomic_wchar_t_base atomic_wchar_t; 116 typedef struct __atomic_short_base atomic_char16_t; 117 typedef struct __atomic_int_base atomic_char32_t; 118 119 #define atomic_is_lock_free(__a) \ 120 false 121 122 #define atomic_load_explicit(__a, __x) \ 123 _ATOMIC_LOAD_(__a, __x) 124 125 #define atomic_load(__a) \ 126 atomic_load_explicit(__a, memory_order_seq_cst) 127 128 #define atomic_store_explicit(__a, __m, __x) \ 129 _ATOMIC_STORE_(__a, __m, __x) 130 131 #define atomic_store(__a, __m) \ 132 atomic_store_explicit(__a, __m, memory_order_seq_cst) 133 134 #define atomic_exchange_explicit(__a, __m, __x) \ 135 _ATOMIC_MODIFY_(__a, =, __m, __x) 136 137 #define atomic_exchange(__a, __m) \ 138 atomic_exchange_explicit(__a, __m, memory_order_seq_cst) 139 140 #define atomic_compare_exchange_explicit(__a, __e, __m, __x, __y) \ 141 _ATOMIC_CMPEXCHNG_(__a, __e, __m, __x) 142 143 #define atomic_compare_exchange(__a, __e, __m) \ 144 _ATOMIC_CMPEXCHNG_(__a, __e, __m, memory_order_seq_cst) 145 146 #define atomic_fetch_add_explicit(__a, __m, __x) \ 147 _ATOMIC_MODIFY_(__a, +=, __m, __x) 148 149 #define atomic_fetch_add(__a, __m) \ 150 atomic_fetch_add_explicit(__a, __m, memory_order_seq_cst) 151 152 #define atomic_fetch_sub_explicit(__a, __m, __x) \ 153 _ATOMIC_MODIFY_(__a, -=, __m, __x) 154 155 #define atomic_fetch_sub(__a, __m) \ 156 atomic_fetch_sub_explicit(__a, __m, memory_order_seq_cst) 157 158 #define atomic_fetch_and_explicit(__a, __m, __x) \ 159 _ATOMIC_MODIFY_(__a, &=, __m, __x) 160 161 #define atomic_fetch_and(__a, __m) \ 162 atomic_fetch_and_explicit(__a, __m, memory_order_seq_cst) 163 164 #define atomic_fetch_or_explicit(__a, __m, __x) \ 165 _ATOMIC_MODIFY_(__a, |=, __m, __x) 166 167 #define atomic_fetch_or(__a, __m) \ 168 atomic_fetch_or_explicit(__a, __m, memory_order_seq_cst) 169 170 #define atomic_fetch_xor_explicit(__a, __m, __x) \ 171 _ATOMIC_MODIFY_(__a, ^=, __m, __x) 172 173 #define atomic_fetch_xor(__a, __m) \ 174 atomic_fetch_xor_explicit(__a, __m, memory_order_seq_cst) 175
