xcall_once.h

// xcall_once.h internal header

#pragma once

#ifndef _XCALL_ONCE_H

#define _XCALL_ONCE_H

#ifndef RC_INVOKED

#include <yvals.h>

#pragma pack(push,_CRT_PACKING)

#pragma pack(push,

)

#pragma warning(push,_STL_WARNING_LEVEL)

#pragma warning(push,

)

#pragma warning(disable: _STL_DISABLED_WARNINGS)

#pragma warning(disable:

4455

4494

4619

4643

4702

4984

4988

)

_STL_DISABLE_CLANG_WARNINGS

#pragma push_macro("new")

#undef new

_STD_BEGIN

namespace

std

{

// STRUCT once_flag

struct

once_flag

{

// opaque data structure for call_once()

constexpr

once_flag

()

noexcept

: _Opaque(

nullptr

) {

// default construct

}

once_flag

(

const

once_flag

&) =

delete

;

once_flag

operator

(

const

once_flag

&) =

delete

;

void

_Opaque

; };

typedef

int

(

__stdcall

_Execute_once_fp_t

)(

void

**);

_CRTIMP2_PURE int __CLRCALL_PURE_OR_CDECL _Execute_once(

int

__cdecl

_Execute_once

(

once_flag

_Flag

_Execute_once_fp_t

_Callback

void

_Pv

)

noexcept

;

_STD_END

}

#pragma pop_macro("new")

_STL_RESTORE_CLANG_WARNINGS

#pragma warning(pop)

#pragma pack(pop) #endif /* RC_INVOKED */ #endif /* _XCALL_ONCE_H */

#pragma pack(pop)