xatomic0.h

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/* xatomic0.h internal header */
#pragma once
#ifndef _XATOMIC0_H
#define _XATOMIC0_H
#ifndef RC_INVOKED
#include <yvals.h>

 #pragma pack(push,_CRT_PACKING)
 #pragma warning(push,3)
 #pragma push_macro("new")
 #undef new

_STD_BEGIN
        /* ENUM memory_order */
typedef enum memory_order {
    memory_order_relaxed,
    memory_order_consume,
    memory_order_acquire,
    memory_order_release,
    memory_order_acq_rel,
    memory_order_seq_cst
    } memory_order;

typedef _Uint32t _Uint4_t;
typedef _Uint4_t _Atomic_integral_t;

    /* SET SIZES AND FLAGS FOR COMPILER AND TARGET ARCHITECTURE */
    /* Note: the xxx_SIZE macros are used to generate function names,
        so they must expand to the digits representing
        the number of bytes in the type; they cannot be expressions
        that give the number of bytes. */

  #define _WCHAR_T_SIZE     2
  #define _SHORT_SIZE       2
  #define _INT_SIZE         4
  #define _LONG_SIZE        4
  #define _LONGLONG_SIZE    8

  #if defined(_WIN64)
   #define _ADDR_SIZE   8
  #else /* defined(_WIN64) */
   #define _ADDR_SIZE   4
  #endif /* defined(_WIN64) */

        /* TYPEDEF _Atomic_flag_t */

typedef long _Atomic_flag_t;

  #define _ATOMIC_MAXBYTES_LOCK_FREE    8

        /* ATOMIC REFERENCE COUNTING */
typedef _Atomic_integral_t _Atomic_counter_t;

inline _Atomic_integral_t
    _Get_atomic_count(const _Atomic_counter_t& _Counter)
    {   // get counter
    return (_Counter);
    }

inline void _Init_atomic_counter(_Atomic_counter_t& _Counter,
    _Atomic_integral_t _Value)
    {   // non-atomically initialize counter
    _Counter = _Value;
    }

 #ifndef _USE_INTERLOCKED_REFCOUNTING
  #if defined(_M_IX86) || defined(_M_X64) || defined(_M_CEE_PURE)
   #define _USE_INTERLOCKED_REFCOUNTING 1
  #else /* defined(_M_IX86) || defined(_M_X64) || defined(_M_CEE_PURE) */
   #define _USE_INTERLOCKED_REFCOUNTING 0
  #endif /* defined(_M_IX86) || defined(_M_X64) || defined(_M_CEE_PURE) */
 #endif /* _USE_INTERLOCKED_REFCOUNTING */

        /* SPIN LOCKS */
_EXTERN_C
_CRTIMP2_PURE void __cdecl _Lock_shared_ptr_spin_lock();
_CRTIMP2_PURE void __cdecl _Unlock_shared_ptr_spin_lock();
_END_EXTERN_C
_STD_END
 #pragma pop_macro("new")
 #pragma warning(pop)
 #pragma pack(pop)
#endif /* RC_INVOKED */
#endif /* _XATOMIC0_H */

/*
 * Copyright (c) by P.J. Plauger. All rights reserved.
 * Consult your license regarding permissions and restrictions.
V6.50:0009 */