SetThreadIdealProcessor

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

DWORD SetThreadIdealProcessor(
    HANDLE hThread,
    DWORD dwIdealProcessor
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetThreadIdealProcessor(
    hThread As IntPtr,   ' HANDLE
    dwIdealProcessor As UInteger   ' DWORD
) As UInteger
End Function

' hThread : HANDLE
' dwIdealProcessor : DWORD
Declare PtrSafe Function SetThreadIdealProcessor Lib "kernel32" ( _
    ByVal hThread As LongPtr, _
    ByVal dwIdealProcessor As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetThreadIdealProcessor = ctypes.windll.kernel32.SetThreadIdealProcessor
SetThreadIdealProcessor.restype = wintypes.DWORD
SetThreadIdealProcessor.argtypes = [
    wintypes.HANDLE,  # hThread : HANDLE
    wintypes.DWORD,  # dwIdealProcessor : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetThreadIdealProcessor = Fiddle::Function.new(
  lib['SetThreadIdealProcessor'],
  [
    Fiddle::TYPE_VOIDP,  # hThread : HANDLE
    -Fiddle::TYPE_INT,  # dwIdealProcessor : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetThreadIdealProcessor(
        hThread: *mut core::ffi::c_void,  // HANDLE
        dwIdealProcessor: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern uint SetThreadIdealProcessor(IntPtr hThread, uint dwIdealProcessor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetThreadIdealProcessor' -Namespace Win32 -PassThru
# $api::SetThreadIdealProcessor(hThread, dwIdealProcessor)

#uselib "KERNEL32.dll"
#func global SetThreadIdealProcessor "SetThreadIdealProcessor" sptr, sptr
; SetThreadIdealProcessor hThread, dwIdealProcessor   ; 戻り値は stat
; hThread : HANDLE -> "sptr"
; dwIdealProcessor : DWORD -> "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。

#uselib "KERNEL32.dll"
#cfunc global SetThreadIdealProcessor "SetThreadIdealProcessor" sptr, int
; res = SetThreadIdealProcessor(hThread, dwIdealProcessor)
; hThread : HANDLE -> "sptr"
; dwIdealProcessor : DWORD -> "int"

; DWORD SetThreadIdealProcessor(HANDLE hThread, DWORD dwIdealProcessor)
#uselib "KERNEL32.dll"
#cfunc global SetThreadIdealProcessor "SetThreadIdealProcessor" intptr, int
; res = SetThreadIdealProcessor(hThread, dwIdealProcessor)
; hThread : HANDLE -> "intptr"
; dwIdealProcessor : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetThreadIdealProcessor = kernel32.NewProc("SetThreadIdealProcessor")
)

// hThread (HANDLE), dwIdealProcessor (DWORD)
r1, _, err := procSetThreadIdealProcessor.Call(
	uintptr(hThread),
	uintptr(dwIdealProcessor),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SetThreadIdealProcessor(
  hThread: THandle;   // HANDLE
  dwIdealProcessor: DWORD   // DWORD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'SetThreadIdealProcessor';

result := DllCall("KERNEL32\SetThreadIdealProcessor"
    , "Ptr", hThread   ; HANDLE
    , "UInt", dwIdealProcessor   ; DWORD
    , "UInt")   ; return: DWORD

●SetThreadIdealProcessor(hThread, dwIdealProcessor) = DLL("KERNEL32.dll", "dword SetThreadIdealProcessor(void*, dword)")
# 呼び出し: SetThreadIdealProcessor(hThread, dwIdealProcessor)
# hThread : HANDLE -> "void*"
# dwIdealProcessor : DWORD -> "dword"
# 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 SetThreadIdealProcessor(
    hThread: ?*anyopaque, // HANDLE
    dwIdealProcessor: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc SetThreadIdealProcessor(
    hThread: pointer,  # HANDLE
    dwIdealProcessor: uint32  # DWORD
): uint32 {.importc: "SetThreadIdealProcessor", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
uint SetThreadIdealProcessor(
    void* hThread,   // HANDLE
    uint dwIdealProcessor   // DWORD
);

ccall((:SetThreadIdealProcessor, "KERNEL32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32),
      hThread, dwIdealProcessor)
# hThread : HANDLE -> Ptr{Cvoid}
# dwIdealProcessor : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t SetThreadIdealProcessor(
    void* hThread,
    uint32_t dwIdealProcessor);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetThreadIdealProcessor(hThread, dwIdealProcessor)
-- hThread : HANDLE
-- dwIdealProcessor : DWORD
-- 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 SetThreadIdealProcessor = lib.func('__stdcall', 'SetThreadIdealProcessor', 'uint32_t', ['void *', 'uint32_t']);
// SetThreadIdealProcessor(hThread, dwIdealProcessor)
// hThread : HANDLE -> 'void *'
// dwIdealProcessor : DWORD -> 'uint32_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("KERNEL32.dll", {
  SetThreadIdealProcessor: { parameters: ["pointer", "u32"], result: "u32" },
});
// lib.symbols.SetThreadIdealProcessor(hThread, dwIdealProcessor)
// hThread : HANDLE -> "pointer"
// dwIdealProcessor : DWORD -> "u32"
// 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 SetThreadIdealProcessor(
    void* hThread,
    uint32_t dwIdealProcessor);
C, "KERNEL32.dll");
// $ffi->SetThreadIdealProcessor(hThread, dwIdealProcessor);
// hThread : HANDLE
// dwIdealProcessor : DWORD
// 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 SetThreadIdealProcessor(
        Pointer hThread,   // HANDLE
        int dwIdealProcessor   // DWORD
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun SetThreadIdealProcessor = SetThreadIdealProcessor(
    hThread : Void*,   # HANDLE
    dwIdealProcessor : UInt32   # DWORD
  ) : 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 SetThreadIdealProcessorNative = Uint32 Function(Pointer<Void>, Uint32);
typedef SetThreadIdealProcessorDart = int Function(Pointer<Void>, int);
final SetThreadIdealProcessor = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetThreadIdealProcessorNative, SetThreadIdealProcessorDart>('SetThreadIdealProcessor');
// hThread : HANDLE -> Pointer<Void>
// dwIdealProcessor : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetThreadIdealProcessor(
  hThread: THandle;   // HANDLE
  dwIdealProcessor: DWORD   // DWORD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'SetThreadIdealProcessor';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetThreadIdealProcessor"
  c_SetThreadIdealProcessor :: Ptr () -> Word32 -> IO Word32
-- hThread : HANDLE -> Ptr ()
-- dwIdealProcessor : DWORD -> Word32
-- 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 setthreadidealprocessor =
  foreign "SetThreadIdealProcessor"
    ((ptr void) @-> uint32_t @-> returning uint32_t)
(* hThread : HANDLE -> (ptr void) *)
(* dwIdealProcessor : DWORD -> uint32_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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("SetThreadIdealProcessor" set-thread-ideal-processor :convention :stdcall) :uint32
  (h-thread :pointer)   ; HANDLE
  (dw-ideal-processor :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetThreadIdealProcessor = Win32::API::More->new('KERNEL32',
    'DWORD SetThreadIdealProcessor(HANDLE hThread, DWORD dwIdealProcessor)');
# my $ret = $SetThreadIdealProcessor->Call($hThread, $dwIdealProcessor);
# hThread : HANDLE -> HANDLE
# dwIdealProcessor : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。