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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

名前方向説明
lpUnbiasedInterruptTimePreciseULONGLONG*outスリープ時間を除く高精度の割り込み時間(100ナノ秒単位)を受け取る出力ポインタ。

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)。
const std = @import("std");

extern "api-ms-win-core-realtime-l1-1-1" fn QueryUnbiasedInterruptTimePrecise(
    lpUnbiasedInterruptTimePrecise: [*c]u64 // ULONGLONG* out
) callconv(std.os.windows.WINAPI) void;
proc QueryUnbiasedInterruptTimePrecise(
    lpUnbiasedInterruptTimePrecise: ptr uint64  # ULONGLONG* out
) {.importc: "QueryUnbiasedInterruptTimePrecise", stdcall, dynlib: "api-ms-win-core-realtime-l1-1-1.dll".}
pragma(lib, "api-ms-win-core-realtime-l1-1-1");
extern(Windows)
void QueryUnbiasedInterruptTimePrecise(
    ulong* lpUnbiasedInterruptTimePrecise   // ULONGLONG* out
);
ccall((:QueryUnbiasedInterruptTimePrecise, "api-ms-win-core-realtime-l1-1-1.dll"), stdcall, Cvoid,
      (Ptr{UInt64},),
      lpUnbiasedInterruptTimePrecise)
# lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> Ptr{UInt64}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
void QueryUnbiasedInterruptTimePrecise(
    uint64_t* lpUnbiasedInterruptTimePrecise);
]]
local api-ms-win-core-realtime-l1-1-1 = ffi.load("api-ms-win-core-realtime-l1-1-1")
-- api-ms-win-core-realtime-l1-1-1.QueryUnbiasedInterruptTimePrecise(lpUnbiasedInterruptTimePrecise)
-- lpUnbiasedInterruptTimePrecise : ULONGLONG* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('api-ms-win-core-realtime-l1-1-1.dll');
const QueryUnbiasedInterruptTimePrecise = lib.func('__stdcall', 'QueryUnbiasedInterruptTimePrecise', 'void', ['uint64_t *']);
// QueryUnbiasedInterruptTimePrecise(lpUnbiasedInterruptTimePrecise)
// lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> 'uint64_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("api-ms-win-core-realtime-l1-1-1.dll", {
  QueryUnbiasedInterruptTimePrecise: { parameters: ["pointer"], result: "void" },
});
// lib.symbols.QueryUnbiasedInterruptTimePrecise(lpUnbiasedInterruptTimePrecise)
// lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
void QueryUnbiasedInterruptTimePrecise(
    uint64_t* lpUnbiasedInterruptTimePrecise);
C, "api-ms-win-core-realtime-l1-1-1.dll");
// $ffi->QueryUnbiasedInterruptTimePrecise(lpUnbiasedInterruptTimePrecise);
// lpUnbiasedInterruptTimePrecise : ULONGLONG* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Api-ms-win-core-realtime-l1-1-1 extends StdCallLibrary {
    Api-ms-win-core-realtime-l1-1-1 INSTANCE = Native.load("api-ms-win-core-realtime-l1-1-1", Api-ms-win-core-realtime-l1-1-1.class);
    void QueryUnbiasedInterruptTimePrecise(
        LongByReference lpUnbiasedInterruptTimePrecise   // ULONGLONG* out
    );
}
@[Link("api-ms-win-core-realtime-l1-1-1")]
lib Libapi-ms-win-core-realtime-l1-1-1
  fun QueryUnbiasedInterruptTimePrecise = QueryUnbiasedInterruptTimePrecise(
    lpUnbiasedInterruptTimePrecise : UInt64*   # ULONGLONG* out
  ) : Void
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef QueryUnbiasedInterruptTimePreciseNative = Void Function(Pointer<Uint64>);
typedef QueryUnbiasedInterruptTimePreciseDart = void Function(Pointer<Uint64>);
final QueryUnbiasedInterruptTimePrecise = DynamicLibrary.open('api-ms-win-core-realtime-l1-1-1.dll')
    .lookupFunction<QueryUnbiasedInterruptTimePreciseNative, QueryUnbiasedInterruptTimePreciseDart>('QueryUnbiasedInterruptTimePrecise');
// lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> Pointer<Uint64>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
procedure QueryUnbiasedInterruptTimePrecise(
  lpUnbiasedInterruptTimePrecise: Pointer   // ULONGLONG* out
); stdcall;
  external 'api-ms-win-core-realtime-l1-1-1.dll' name 'QueryUnbiasedInterruptTimePrecise';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "QueryUnbiasedInterruptTimePrecise"
  c_QueryUnbiasedInterruptTimePrecise :: Ptr Word64 -> IO ()
-- lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> Ptr Word64
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let queryunbiasedinterrupttimeprecise =
  foreign "QueryUnbiasedInterruptTimePrecise"
    ((ptr uint64_t) @-> returning void)
(* lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> (ptr uint64_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library api-ms-win-core-realtime-l1-1-1 (t "api-ms-win-core-realtime-l1-1-1.dll"))
(cffi:use-foreign-library api-ms-win-core-realtime-l1-1-1)

(cffi:defcfun ("QueryUnbiasedInterruptTimePrecise" query-unbiased-interrupt-time-precise :convention :stdcall) :void
  (lp-unbiased-interrupt-time-precise :pointer))   ; ULONGLONG* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $QueryUnbiasedInterruptTimePrecise = Win32::API::More->new('api-ms-win-core-realtime-l1-1-1',
    'void QueryUnbiasedInterruptTimePrecise(LPVOID lpUnbiasedInterruptTimePrecise)');
# my $ret = $QueryUnbiasedInterruptTimePrecise->Call($lpUnbiasedInterruptTimePrecise);
# lpUnbiasedInterruptTimePrecise : ULONGLONG* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。