Subversion Repositories openrisc

// -*- 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)