Win32 API 日本語リファレンス
ホームSystem.JobObjects › SetIoRateControlInformationJobObject

SetIoRateControlInformationJobObject

関数
ジョブのI/Oレート制御情報を設定する。
DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows 10 以降

シグネチャ

// KERNEL32.dll
#include <windows.h>

DWORD SetIoRateControlInformationJobObject(
    HANDLE hJob,
    JOBOBJECT_IO_RATE_CONTROL_INFORMATION* IoRateControlInfo
);

パラメーター

名前方向説明
hJobHANDLEinI/Oレート制御を設定する対象ジョブのハンドル。JOB_OBJECT_SET_ATTRIBUTES権限が必要。
IoRateControlInfoJOBOBJECT_IO_RATE_CONTROL_INFORMATION*in設定するI/Oレート制御情報を格納した構造体へのポインタ。最大IOPSや帯域を指定する。

戻り値の型: DWORD

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

DWORD SetIoRateControlInformationJobObject(
    HANDLE hJob,
    JOBOBJECT_IO_RATE_CONTROL_INFORMATION* IoRateControlInfo
);
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern uint SetIoRateControlInformationJobObject(
    IntPtr hJob,   // HANDLE
    IntPtr IoRateControlInfo   // JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
);
<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetIoRateControlInformationJobObject(
    hJob As IntPtr,   ' HANDLE
    IoRateControlInfo As IntPtr   ' JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
) As UInteger
End Function
' hJob : HANDLE
' IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
Declare PtrSafe Function SetIoRateControlInformationJobObject Lib "kernel32" ( _
    ByVal hJob As LongPtr, _
    ByVal IoRateControlInfo 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

SetIoRateControlInformationJobObject = ctypes.windll.kernel32.SetIoRateControlInformationJobObject
SetIoRateControlInformationJobObject.restype = wintypes.DWORD
SetIoRateControlInformationJobObject.argtypes = [
    wintypes.HANDLE,  # hJob : HANDLE
    ctypes.c_void_p,  # IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetIoRateControlInformationJobObject = Fiddle::Function.new(
  lib['SetIoRateControlInformationJobObject'],
  [
    Fiddle::TYPE_VOIDP,  # hJob : HANDLE
    Fiddle::TYPE_VOIDP,  # IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
  ],
  -Fiddle::TYPE_INT)
#[link(name = "kernel32")]
extern "system" {
    fn SetIoRateControlInformationJobObject(
        hJob: *mut core::ffi::c_void,  // HANDLE
        IoRateControlInfo: *mut JOBOBJECT_IO_RATE_CONTROL_INFORMATION  // JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern uint SetIoRateControlInformationJobObject(IntPtr hJob, IntPtr IoRateControlInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetIoRateControlInformationJobObject' -Namespace Win32 -PassThru
# $api::SetIoRateControlInformationJobObject(hJob, IoRateControlInfo)
#uselib "KERNEL32.dll"
#func global SetIoRateControlInformationJobObject "SetIoRateControlInformationJobObject" sptr, sptr
; SetIoRateControlInformationJobObject hJob, varptr(IoRateControlInfo)   ; 戻り値は stat
; hJob : HANDLE -> "sptr"
; IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> "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 "KERNEL32.dll"
#cfunc global SetIoRateControlInformationJobObject "SetIoRateControlInformationJobObject" sptr, var
; res = SetIoRateControlInformationJobObject(hJob, IoRateControlInfo)
; hJob : HANDLE -> "sptr"
; IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> "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:
; DWORD SetIoRateControlInformationJobObject(HANDLE hJob, JOBOBJECT_IO_RATE_CONTROL_INFORMATION* IoRateControlInfo)
#uselib "KERNEL32.dll"
#cfunc global SetIoRateControlInformationJobObject "SetIoRateControlInformationJobObject" intptr, var
; res = SetIoRateControlInformationJobObject(hJob, IoRateControlInfo)
; hJob : HANDLE -> "intptr"
; IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> "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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetIoRateControlInformationJobObject = kernel32.NewProc("SetIoRateControlInformationJobObject")
)

// hJob (HANDLE), IoRateControlInfo (JOBOBJECT_IO_RATE_CONTROL_INFORMATION*)
r1, _, err := procSetIoRateControlInformationJobObject.Call(
	uintptr(hJob),
	uintptr(IoRateControlInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function SetIoRateControlInformationJobObject(
  hJob: THandle;   // HANDLE
  IoRateControlInfo: Pointer   // JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'SetIoRateControlInformationJobObject';
result := DllCall("KERNEL32\SetIoRateControlInformationJobObject"
    , "Ptr", hJob   ; HANDLE
    , "Ptr", IoRateControlInfo   ; JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
    , "UInt")   ; return: DWORD
●SetIoRateControlInformationJobObject(hJob, IoRateControlInfo) = DLL("KERNEL32.dll", "dword SetIoRateControlInformationJobObject(void*, void*)")
# 呼び出し: SetIoRateControlInformationJobObject(hJob, IoRateControlInfo)
# hJob : HANDLE -> "void*"
# IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> "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 "kernel32" fn SetIoRateControlInformationJobObject(
    hJob: ?*anyopaque, // HANDLE
    IoRateControlInfo: [*c]JOBOBJECT_IO_RATE_CONTROL_INFORMATION // JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
) callconv(std.os.windows.WINAPI) u32;
proc SetIoRateControlInformationJobObject(
    hJob: pointer,  # HANDLE
    IoRateControlInfo: ptr JOBOBJECT_IO_RATE_CONTROL_INFORMATION  # JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
): uint32 {.importc: "SetIoRateControlInformationJobObject", stdcall, dynlib: "KERNEL32.dll".}
pragma(lib, "kernel32");
extern(Windows)
uint SetIoRateControlInformationJobObject(
    void* hJob,   // HANDLE
    JOBOBJECT_IO_RATE_CONTROL_INFORMATION* IoRateControlInfo   // JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
);
ccall((:SetIoRateControlInformationJobObject, "KERNEL32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{JOBOBJECT_IO_RATE_CONTROL_INFORMATION}),
      hJob, IoRateControlInfo)
# hJob : HANDLE -> Ptr{Cvoid}
# IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> Ptr{JOBOBJECT_IO_RATE_CONTROL_INFORMATION}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t SetIoRateControlInformationJobObject(
    void* hJob,
    void* IoRateControlInfo);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetIoRateControlInformationJobObject(hJob, IoRateControlInfo)
-- hJob : HANDLE
-- IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
-- 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('KERNEL32.dll');
const SetIoRateControlInformationJobObject = lib.func('__stdcall', 'SetIoRateControlInformationJobObject', 'uint32_t', ['void *', 'void *']);
// SetIoRateControlInformationJobObject(hJob, IoRateControlInfo)
// hJob : HANDLE -> 'void *'
// IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> '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("KERNEL32.dll", {
  SetIoRateControlInformationJobObject: { parameters: ["pointer", "pointer"], result: "u32" },
});
// lib.symbols.SetIoRateControlInformationJobObject(hJob, IoRateControlInfo)
// hJob : HANDLE -> "pointer"
// IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> "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
uint32_t SetIoRateControlInformationJobObject(
    void* hJob,
    void* IoRateControlInfo);
C, "KERNEL32.dll");
// $ffi->SetIoRateControlInformationJobObject(hJob, IoRateControlInfo);
// hJob : HANDLE
// IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    int SetIoRateControlInformationJobObject(
        Pointer hJob,   // HANDLE
        Pointer IoRateControlInfo   // JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
    );
}
@[Link("kernel32")]
lib LibKERNEL32
  fun SetIoRateControlInformationJobObject = SetIoRateControlInformationJobObject(
    hJob : Void*,   # HANDLE
    IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION*   # JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
  ) : UInt32
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 SetIoRateControlInformationJobObjectNative = Uint32 Function(Pointer<Void>, Pointer<Void>);
typedef SetIoRateControlInformationJobObjectDart = int Function(Pointer<Void>, Pointer<Void>);
final SetIoRateControlInformationJobObject = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetIoRateControlInformationJobObjectNative, SetIoRateControlInformationJobObjectDart>('SetIoRateControlInformationJobObject');
// hJob : HANDLE -> Pointer<Void>
// IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SetIoRateControlInformationJobObject(
  hJob: THandle;   // HANDLE
  IoRateControlInfo: Pointer   // JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'SetIoRateControlInformationJobObject';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetIoRateControlInformationJobObject"
  c_SetIoRateControlInformationJobObject :: Ptr () -> Ptr () -> IO Word32
-- hJob : HANDLE -> Ptr ()
-- IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> 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 setioratecontrolinformationjobobject =
  foreign "SetIoRateControlInformationJobObject"
    ((ptr void) @-> (ptr void) @-> returning uint32_t)
(* hJob : HANDLE -> (ptr void) *)
(* IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> (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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("SetIoRateControlInformationJobObject" set-io-rate-control-information-job-object :convention :stdcall) :uint32
  (h-job :pointer)   ; HANDLE
  (io-rate-control-info :pointer))   ; JOBOBJECT_IO_RATE_CONTROL_INFORMATION*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SetIoRateControlInformationJobObject = Win32::API::More->new('KERNEL32',
    'DWORD SetIoRateControlInformationJobObject(HANDLE hJob, LPVOID IoRateControlInfo)');
# my $ret = $SetIoRateControlInformationJobObject->Call($hJob, $IoRateControlInfo);
# hJob : HANDLE -> HANDLE
# IoRateControlInfo : JOBOBJECT_IO_RATE_CONTROL_INFORMATION* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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