gcc/libstdc++-v3/include/bits/atomicfwd_c.h

175 lines
4.6 KiB
C++

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