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OperationStart
関数プリフェッチ最適化用に操作記録の開始を通知する。
シグネチャ
// ADVAPI32.dll
#include <windows.h>
BOOL OperationStart(
OPERATION_START_PARAMETERS* OperationStartParams
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| OperationStartParams | OPERATION_START_PARAMETERS* | in | 記録するI/O操作の開始情報を格納したOPERATION_START_PARAMETERS構造体へのポインタ。 |
戻り値の型: BOOL
各言語での呼び出し定義
// ADVAPI32.dll
#include <windows.h>
BOOL OperationStart(
OPERATION_START_PARAMETERS* OperationStartParams
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern bool OperationStart(
IntPtr OperationStartParams // OPERATION_START_PARAMETERS*
);<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function OperationStart(
OperationStartParams As IntPtr ' OPERATION_START_PARAMETERS*
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' OperationStartParams : OPERATION_START_PARAMETERS*
Declare PtrSafe Function OperationStart Lib "advapi32" ( _
ByVal OperationStartParams As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
OperationStart = ctypes.windll.advapi32.OperationStart
OperationStart.restype = wintypes.BOOL
OperationStart.argtypes = [
ctypes.c_void_p, # OperationStartParams : OPERATION_START_PARAMETERS*
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ADVAPI32.dll')
OperationStart = Fiddle::Function.new(
lib['OperationStart'],
[
Fiddle::TYPE_VOIDP, # OperationStartParams : OPERATION_START_PARAMETERS*
],
Fiddle::TYPE_INT)#[link(name = "advapi32")]
extern "system" {
fn OperationStart(
OperationStartParams: *mut OPERATION_START_PARAMETERS // OPERATION_START_PARAMETERS*
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll")]
public static extern bool OperationStart(IntPtr OperationStartParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_OperationStart' -Namespace Win32 -PassThru
# $api::OperationStart(OperationStartParams)#uselib "ADVAPI32.dll"
#func global OperationStart "OperationStart" sptr
; OperationStart varptr(OperationStartParams) ; 戻り値は stat
; OperationStartParams : OPERATION_START_PARAMETERS* -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。出力引数:
#uselib "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" var ; res = OperationStart(OperationStartParams) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "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。#uselib "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" sptr ; res = OperationStart(varptr(OperationStartParams)) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; BOOL OperationStart(OPERATION_START_PARAMETERS* OperationStartParams) #uselib "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" var ; res = OperationStart(OperationStartParams) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "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。; BOOL OperationStart(OPERATION_START_PARAMETERS* OperationStartParams) #uselib "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" intptr ; res = OperationStart(varptr(OperationStartParams)) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
procOperationStart = advapi32.NewProc("OperationStart")
)
// OperationStartParams (OPERATION_START_PARAMETERS*)
r1, _, err := procOperationStart.Call(
uintptr(OperationStartParams),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction OperationStart(
OperationStartParams: Pointer // OPERATION_START_PARAMETERS*
): BOOL; stdcall;
external 'ADVAPI32.dll' name 'OperationStart';result := DllCall("ADVAPI32\OperationStart"
, "Ptr", OperationStartParams ; OPERATION_START_PARAMETERS*
, "Int") ; return: BOOL●OperationStart(OperationStartParams) = DLL("ADVAPI32.dll", "bool OperationStart(void*)")
# 呼び出し: OperationStart(OperationStartParams)
# OperationStartParams : OPERATION_START_PARAMETERS* -> "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 "advapi32" fn OperationStart(
OperationStartParams: [*c]OPERATION_START_PARAMETERS // OPERATION_START_PARAMETERS*
) callconv(std.os.windows.WINAPI) i32;proc OperationStart(
OperationStartParams: ptr OPERATION_START_PARAMETERS # OPERATION_START_PARAMETERS*
): int32 {.importc: "OperationStart", stdcall, dynlib: "ADVAPI32.dll".}pragma(lib, "advapi32");
extern(Windows)
int OperationStart(
OPERATION_START_PARAMETERS* OperationStartParams // OPERATION_START_PARAMETERS*
);ccall((:OperationStart, "ADVAPI32.dll"), stdcall, Int32,
(Ptr{OPERATION_START_PARAMETERS},),
OperationStartParams)
# OperationStartParams : OPERATION_START_PARAMETERS* -> Ptr{OPERATION_START_PARAMETERS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t OperationStart(
void* OperationStartParams);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.OperationStart(OperationStartParams)
-- OperationStartParams : OPERATION_START_PARAMETERS*
-- 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('ADVAPI32.dll');
const OperationStart = lib.func('__stdcall', 'OperationStart', 'int32_t', ['void *']);
// OperationStart(OperationStartParams)
// OperationStartParams : OPERATION_START_PARAMETERS* -> 'void *'
// 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("ADVAPI32.dll", {
OperationStart: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.OperationStart(OperationStartParams)
// OperationStartParams : OPERATION_START_PARAMETERS* -> "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
int32_t OperationStart(
void* OperationStartParams);
C, "ADVAPI32.dll");
// $ffi->OperationStart(OperationStartParams);
// OperationStartParams : OPERATION_START_PARAMETERS*
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Advapi32 extends StdCallLibrary {
Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class);
boolean OperationStart(
Pointer OperationStartParams // OPERATION_START_PARAMETERS*
);
}@[Link("advapi32")]
lib LibADVAPI32
fun OperationStart = OperationStart(
OperationStartParams : OPERATION_START_PARAMETERS* # OPERATION_START_PARAMETERS*
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef OperationStartNative = Int32 Function(Pointer<Void>);
typedef OperationStartDart = int Function(Pointer<Void>);
final OperationStart = DynamicLibrary.open('ADVAPI32.dll')
.lookupFunction<OperationStartNative, OperationStartDart>('OperationStart');
// OperationStartParams : OPERATION_START_PARAMETERS* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function OperationStart(
OperationStartParams: Pointer // OPERATION_START_PARAMETERS*
): BOOL; stdcall;
external 'ADVAPI32.dll' name 'OperationStart';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "OperationStart"
c_OperationStart :: Ptr () -> IO CInt
-- OperationStartParams : OPERATION_START_PARAMETERS* -> Ptr ()
-- 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 operationstart =
foreign "OperationStart"
((ptr void) @-> returning int32_t)
(* OperationStartParams : OPERATION_START_PARAMETERS* -> (ptr void) *)
(* 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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)
(cffi:defcfun ("OperationStart" operation-start :convention :stdcall) :int32
(operation-start-params :pointer)) ; OPERATION_START_PARAMETERS*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $OperationStart = Win32::API::More->new('ADVAPI32',
'BOOL OperationStart(LPVOID OperationStartParams)');
# my $ret = $OperationStart->Call($OperationStartParams);
# OperationStartParams : OPERATION_START_PARAMETERS* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。