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QueryUnbiasedInterruptTimePrecise

関数
スリープ時間を除いた高精度の割り込み時間を取得する。
DLLapi-ms-win-core-realtime-l1-1-1.dll呼出規約winapi対応OSWindows 10 以降

シグネチャ

// api-ms-win-core-realtime-l1-1-1.dll
#include <windows.h>

void QueryUnbiasedInterruptTimePrecise(
    ULONGLONG* lpUnbiasedInterruptTimePrecise
);

パラメーター

名前方向
lpUnbiasedInterruptTimePreciseULONGLONG*out

戻り値の型: void

各言語での呼び出し定義

// api-ms-win-core-realtime-l1-1-1.dll
#include <windows.h>

void QueryUnbiasedInterruptTimePrecise(
    ULONGLONG* lpUnbiasedInterruptTimePrecise
);
[DllImport("api-ms-win-core-realtime-l1-1-1.dll", ExactSpelling = true)]
static extern void QueryUnbiasedInterruptTimePrecise(
    out ulong lpUnbiasedInterruptTimePrecise   // ULONGLONG* out
);
<DllImport("api-ms-win-core-realtime-l1-1-1.dll", ExactSpelling:=True)>
Public Shared Sub QueryUnbiasedInterruptTimePrecise(
    <Out> ByRef lpUnbiasedInterruptTimePrecise As ULong   ' ULONGLONG* out
)
End Sub
' lpUnbiasedInterruptTimePrecise : ULONGLONG* out
Declare PtrSafe Sub QueryUnbiasedInterruptTimePrecise Lib "api-ms-win-core-realtime-l1-1-1" ( _
    ByRef lpUnbiasedInterruptTimePrecise As LongLong)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

QueryUnbiasedInterruptTimePrecise = ctypes.windll.LoadLibrary("api-ms-win-core-realtime-l1-1-1.dll").QueryUnbiasedInterruptTimePrecise
QueryUnbiasedInterruptTimePrecise.restype = None
QueryUnbiasedInterruptTimePrecise.argtypes = [
    ctypes.POINTER(ctypes.c_ulonglong),  # lpUnbiasedInterruptTimePrecise : ULONGLONG* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-realtime-l1-1-1.dll')
QueryUnbiasedInterruptTimePrecise = Fiddle::Function.new(
  lib['QueryUnbiasedInterruptTimePrecise'],
  [
    Fiddle::TYPE_VOIDP,  # lpUnbiasedInterruptTimePrecise : ULONGLONG* out
  ],
  Fiddle::TYPE_VOID)
#[link(name = "api-ms-win-core-realtime-l1-1-1")]
extern "system" {
    fn QueryUnbiasedInterruptTimePrecise(
        lpUnbiasedInterruptTimePrecise: *mut u64  // ULONGLONG* out
    );
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("api-ms-win-core-realtime-l1-1-1.dll")]
public static extern void QueryUnbiasedInterruptTimePrecise(out ulong lpUnbiasedInterruptTimePrecise);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-realtime-l1-1-1_QueryUnbiasedInterruptTimePrecise' -Namespace Win32 -PassThru
# $api::QueryUnbiasedInterruptTimePrecise(lpUnbiasedInterruptTimePrecise)
#uselib "api-ms-win-core-realtime-l1-1-1.dll"
#func global QueryUnbiasedInterruptTimePrecise "QueryUnbiasedInterruptTimePrecise" sptr
; QueryUnbiasedInterruptTimePrecise varptr(lpUnbiasedInterruptTimePrecise)
; lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> "sptr"
出力引数:
#uselib "api-ms-win-core-realtime-l1-1-1.dll"
#func global QueryUnbiasedInterruptTimePrecise "QueryUnbiasedInterruptTimePrecise" var
; QueryUnbiasedInterruptTimePrecise lpUnbiasedInterruptTimePrecise
; lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数:
; void QueryUnbiasedInterruptTimePrecise(ULONGLONG* lpUnbiasedInterruptTimePrecise)
#uselib "api-ms-win-core-realtime-l1-1-1.dll"
#func global QueryUnbiasedInterruptTimePrecise "QueryUnbiasedInterruptTimePrecise" var
; QueryUnbiasedInterruptTimePrecise lpUnbiasedInterruptTimePrecise
; lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	api_ms_win_core_realtime_l1_1_1 = windows.NewLazySystemDLL("api-ms-win-core-realtime-l1-1-1.dll")
	procQueryUnbiasedInterruptTimePrecise = api_ms_win_core_realtime_l1_1_1.NewProc("QueryUnbiasedInterruptTimePrecise")
)

// lpUnbiasedInterruptTimePrecise (ULONGLONG* out)
r1, _, err := procQueryUnbiasedInterruptTimePrecise.Call(
	uintptr(lpUnbiasedInterruptTimePrecise),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
procedure QueryUnbiasedInterruptTimePrecise(
  lpUnbiasedInterruptTimePrecise: Pointer   // ULONGLONG* out
); stdcall;
  external 'api-ms-win-core-realtime-l1-1-1.dll' name 'QueryUnbiasedInterruptTimePrecise';
result := DllCall("api-ms-win-core-realtime-l1-1-1\QueryUnbiasedInterruptTimePrecise"
    , "Ptr", lpUnbiasedInterruptTimePrecise   ; ULONGLONG* out
    , "Int")   ; return: void
●QueryUnbiasedInterruptTimePrecise(lpUnbiasedInterruptTimePrecise) = DLL("api-ms-win-core-realtime-l1-1-1.dll", "int QueryUnbiasedInterruptTimePrecise(void*)")
# 呼び出し: QueryUnbiasedInterruptTimePrecise(lpUnbiasedInterruptTimePrecise)
# lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。