4coder/non-source/test_data/lots_of_files/xatomic0.h

199 lines
6.1 KiB
C

/* 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
#if !defined(_GENERIC_ATOMICS)
#define _GENERIC_ATOMICS 0 /* nonzero for (non-conforming) generic */
#endif /* !defined(_GENERIC_ATOMICS) */
/* 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(_M_X64) || defined(_LP64) || defined(__x86_64)
#define _ADDR_SIZE 8
#if !_GENERIC_ATOMICS
#define _MS_64 1
#endif /* !_GENERIC_ATOMICS */
#else /* defined(_M_X64) || defined(_LP64) || defined(__x86_64) */
#define _ADDR_SIZE 4
#if defined(_M_ARM)
#elif !_GENERIC_ATOMICS
#define _MS_32 1
#endif /* !_GENERIC_ATOMICS */
#endif /* defined(_M_X64) || defined(_LP64) || defined(__x86_64) */
#if !defined(_MS_32)
#define _MS_32 0
#endif /* !defined(_MS_32) */
#if !defined(_MS_64)
#define _MS_64 0
#endif /* !defined(_MS_64) */
/* TYPEDEF _Atomic_flag_t */
typedef long _Atomic_flag_t;
#define _ATOMIC_MAXBYTES_LOCK_FREE 8
#define _ATOMIC_FLAG_USES_LOCK 0
#define _ATOMIC_FENCE_USES_LOCK 0
/* DECLARATIONS NEEDED FOR ATOMIC REFERENCE COUNTING */
inline _Uint4_t _Atomic_load_4(volatile _Uint4_t *, memory_order);
inline int _Atomic_compare_exchange_weak_4(
volatile _Uint4_t *, _Uint4_t *, _Uint4_t, memory_order, memory_order);
inline _Uint4_t _Atomic_fetch_add_4(
volatile _Uint4_t *, _Uint4_t, memory_order);
inline _Uint4_t _Atomic_fetch_sub_4(
volatile _Uint4_t *, _Uint4_t, memory_order);
typedef _Atomic_integral_t _Atomic_counter_t;
#if defined(__cplusplus)
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;
}
inline _Atomic_integral_t _Inc_atomic_counter_explicit(
_Atomic_counter_t& _Counter, memory_order _Order)
{ // atomically increment counter and return result
return (_Atomic_fetch_add_4(&_Counter, 1, _Order) + 1);
}
inline _Atomic_integral_t _Inc_atomic_counter(_Atomic_counter_t& _Counter)
{ // atomically increment counter and return result
return (_Inc_atomic_counter_explicit(_Counter, memory_order_seq_cst));
}
inline _Atomic_integral_t _Dec_atomic_counter_explicit(
_Atomic_counter_t& _Counter, memory_order _Order)
{ // atomically decrement counter and return result
return (_Atomic_fetch_sub_4(&_Counter, 1, _Order) - 1);
}
inline _Atomic_integral_t _Dec_atomic_counter(_Atomic_counter_t& _Counter)
{ // atomically decrement counter and return result
return (_Dec_atomic_counter_explicit(_Counter, memory_order_seq_cst));
}
inline _Atomic_integral_t _Load_atomic_counter_explicit(
_Atomic_counter_t& _Counter, memory_order _Order)
{ // atomically load counter and return result
return (_Atomic_load_4(&_Counter, _Order));
}
inline _Atomic_integral_t _Load_atomic_counter(_Atomic_counter_t& _Counter)
{ // atomically load counter and return result
return (_Load_atomic_counter_explicit(_Counter, memory_order_seq_cst));
}
inline _Atomic_integral_t _Compare_increment_atomic_counter_explicit(
_Atomic_counter_t& _Counter,
_Atomic_integral_t _Expected,
memory_order _Order)
{ // atomically compare and increment counter and return result
return (_Atomic_compare_exchange_weak_4(
&_Counter, &_Expected, _Expected + 1,
_Order, _Order));
}
inline _Atomic_integral_t _Compare_increment_atomic_counter(
_Atomic_counter_t& _Counter, _Atomic_integral_t _Expected)
{ // atomically compare and increment counter and return result
return (_Compare_increment_atomic_counter_explicit(
_Counter, _Expected, memory_order_seq_cst));
}
#else /* defined(__cplusplus) */
#define _Get_atomic_count(_Counter) _Counter
#define _Init_atomic_counter(_Counter, _Value) \
_Counter = _Value
#define _Inc_atomic_counter_explicit(_Counter, _Order) \
(_Atomic_fetch_add_4(&_Counter, 1, _Order) + 1)
#define _Inc_atomic_counter(_Counter) \
(_Inc_atomic_counter_explicit(_Counter, memory_order_seq_cst))
#define _Dec_atomic_counter_explicit(_Counter, _Order) \
(_Atomic_fetch_sub_4(&_Counter, 1, _Order) - 1)
#define _Dec_atomic_counter(_Counter) \
(_Dec_atomic_counter_explicit(_Counter, memory_order_seq_cst))
#define _Load_atomic_counter_explicit(_Counter, _Order) \
_Atomic_load_4(&_Counter, _Order)
#define _Load_atomic_counter(_Counter) \
_Load_atomic_counter_explicit(_Counter, memory_order_seq_cst)
#define _Compare_increment_atomic_counter_explicit(_Counter, _Expected, _Order) \
_Atomic_compare_exchange_weak_4(&_Counter, &_Expected, _Expected + 1, \
_Order, _Order)
#define _Compare_increment_atomic_counter(_Counter, _Expected) \
_Compare_increment_atomic_counter_explicit( \
_Counter, _Expected, memory_order_seq_cst)
#endif /* defined(__cplusplus) */
/* 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) 1992-2012 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
V6.00:0009 */