175 lines
4.6 KiB
C++
175 lines
4.6 KiB
C++
// -*- C++ -*- header.
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// Copyright (C) 2008, 2009
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file bits/atomicfwd_c.h
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly.
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*/
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// "C" only bits.
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#define _ATOMIC_MEMBER_ ((__a)->_M_i)
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// POD base classes for atomic intgral types.
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struct __atomic_bool_base
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{
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bool _M_i;
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};
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struct __atomic_char_base
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{
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char _M_i;
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};
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struct __atomic_schar_base
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{
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signed char _M_i;
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};
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struct __atomic_uchar_base
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{
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unsigned char _M_i;
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};
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struct __atomic_short_base
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{
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short _M_i;
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};
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struct __atomic_ushort_base
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{
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unsigned short _M_i;
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};
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struct __atomic_int_base
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{
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int _M_i;
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};
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struct __atomic_uint_base
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{
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unsigned int _M_i;
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};
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struct __atomic_long_base
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{
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long _M_i;
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};
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struct __atomic_ulong_base
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{
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unsigned long _M_i;
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};
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struct __atomic_llong_base
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{
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long long _M_i;
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};
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struct __atomic_ullong_base
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{
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unsigned long long _M_i;
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};
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struct __atomic_wchar_t_base
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{
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wchar_t _M_i;
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};
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typedef struct __atomic_flag_base atomic_flag;
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typedef struct __atomic_address_base atomic_address;
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typedef struct __atomic_bool_base atomic_bool;
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typedef struct __atomic_char_base atomic_char;
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typedef struct __atomic_schar_base atomic_schar;
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typedef struct __atomic_uchar_base atomic_uchar;
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typedef struct __atomic_short_base atomic_short;
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typedef struct __atomic_ushort_base atomic_ushort;
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typedef struct __atomic_int_base atomic_int;
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typedef struct __atomic_uint_base atomic_uint;
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typedef struct __atomic_long_base atomic_long;
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typedef struct __atomic_ulong_base atomic_ulong;
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typedef struct __atomic_llong_base atomic_llong;
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typedef struct __atomic_ullong_base atomic_ullong;
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typedef struct __atomic_wchar_t_base atomic_wchar_t;
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typedef struct __atomic_short_base atomic_char16_t;
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typedef struct __atomic_int_base atomic_char32_t;
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#define atomic_is_lock_free(__a) \
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false
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#define atomic_load_explicit(__a, __x) \
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_ATOMIC_LOAD_(__a, __x)
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#define atomic_load(__a) \
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atomic_load_explicit(__a, memory_order_seq_cst)
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#define atomic_store_explicit(__a, __m, __x) \
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_ATOMIC_STORE_(__a, __m, __x)
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#define atomic_store(__a, __m) \
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atomic_store_explicit(__a, __m, memory_order_seq_cst)
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#define atomic_exchange_explicit(__a, __m, __x) \
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_ATOMIC_MODIFY_(__a, =, __m, __x)
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#define atomic_exchange(__a, __m) \
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atomic_exchange_explicit(__a, __m, memory_order_seq_cst)
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#define atomic_compare_exchange_explicit(__a, __e, __m, __x, __y) \
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_ATOMIC_CMPEXCHNG_(__a, __e, __m, __x)
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#define atomic_compare_exchange(__a, __e, __m) \
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_ATOMIC_CMPEXCHNG_(__a, __e, __m, memory_order_seq_cst)
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#define atomic_fetch_add_explicit(__a, __m, __x) \
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_ATOMIC_MODIFY_(__a, +=, __m, __x)
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#define atomic_fetch_add(__a, __m) \
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atomic_fetch_add_explicit(__a, __m, memory_order_seq_cst)
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#define atomic_fetch_sub_explicit(__a, __m, __x) \
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_ATOMIC_MODIFY_(__a, -=, __m, __x)
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#define atomic_fetch_sub(__a, __m) \
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atomic_fetch_sub_explicit(__a, __m, memory_order_seq_cst)
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#define atomic_fetch_and_explicit(__a, __m, __x) \
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_ATOMIC_MODIFY_(__a, &=, __m, __x)
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#define atomic_fetch_and(__a, __m) \
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atomic_fetch_and_explicit(__a, __m, memory_order_seq_cst)
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#define atomic_fetch_or_explicit(__a, __m, __x) \
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_ATOMIC_MODIFY_(__a, |=, __m, __x)
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#define atomic_fetch_or(__a, __m) \
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atomic_fetch_or_explicit(__a, __m, memory_order_seq_cst)
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#define atomic_fetch_xor_explicit(__a, __m, __x) \
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_ATOMIC_MODIFY_(__a, ^=, __m, __x)
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#define atomic_fetch_xor(__a, __m) \
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atomic_fetch_xor_explicit(__a, __m, memory_order_seq_cst)
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