GetProcessGroupAffinity

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

BOOL GetProcessGroupAffinity(
    HANDLE hProcess,
    WORD* GroupCount,
    WORD* GroupArray
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function GetProcessGroupAffinity(
    hProcess As IntPtr,   ' HANDLE
    ByRef GroupCount As UShort,   ' WORD* in/out
    <Out> ByRef GroupArray As UShort   ' WORD* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hProcess : HANDLE
' GroupCount : WORD* in/out
' GroupArray : WORD* out
Declare PtrSafe Function GetProcessGroupAffinity Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByRef GroupCount As Integer, _
    ByRef GroupArray As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetProcessGroupAffinity = ctypes.windll.kernel32.GetProcessGroupAffinity
GetProcessGroupAffinity.restype = wintypes.BOOL
GetProcessGroupAffinity.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.POINTER(ctypes.c_ushort),  # GroupCount : WORD* in/out
    ctypes.POINTER(ctypes.c_ushort),  # GroupArray : WORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetProcessGroupAffinity = Fiddle::Function.new(
  lib['GetProcessGroupAffinity'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # GroupCount : WORD* in/out
    Fiddle::TYPE_VOIDP,  # GroupArray : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetProcessGroupAffinity(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        GroupCount: *mut u16,  // WORD* in/out
        GroupArray: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool GetProcessGroupAffinity(IntPtr hProcess, ref ushort GroupCount, out ushort GroupArray);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetProcessGroupAffinity' -Namespace Win32 -PassThru
# $api::GetProcessGroupAffinity(hProcess, GroupCount, GroupArray)

#uselib "KERNEL32.dll"
#func global GetProcessGroupAffinity "GetProcessGroupAffinity" sptr, sptr, sptr
; GetProcessGroupAffinity hProcess, varptr(GroupCount), varptr(GroupArray)   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; GroupCount : WORD* in/out -> "sptr"
; GroupArray : WORD* out -> "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。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetProcessGroupAffinity = kernel32.NewProc("GetProcessGroupAffinity")
)

// hProcess (HANDLE), GroupCount (WORD* in/out), GroupArray (WORD* out)
r1, _, err := procGetProcessGroupAffinity.Call(
	uintptr(hProcess),
	uintptr(GroupCount),
	uintptr(GroupArray),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetProcessGroupAffinity(
  hProcess: THandle;   // HANDLE
  GroupCount: Pointer;   // WORD* in/out
  GroupArray: Pointer   // WORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetProcessGroupAffinity';

result := DllCall("KERNEL32\GetProcessGroupAffinity"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", GroupCount   ; WORD* in/out
    , "Ptr", GroupArray   ; WORD* out
    , "Int")   ; return: BOOL

●GetProcessGroupAffinity(hProcess, GroupCount, GroupArray) = DLL("KERNEL32.dll", "bool GetProcessGroupAffinity(void*, void*, void*)")
# 呼び出し: GetProcessGroupAffinity(hProcess, GroupCount, GroupArray)
# hProcess : HANDLE -> "void*"
# GroupCount : WORD* in/out -> "void*"
# GroupArray : WORD* 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 "kernel32" fn GetProcessGroupAffinity(
    hProcess: ?*anyopaque, // HANDLE
    GroupCount: [*c]u16, // WORD* in/out
    GroupArray: [*c]u16 // WORD* out
) callconv(std.os.windows.WINAPI) i32;

proc GetProcessGroupAffinity(
    hProcess: pointer,  # HANDLE
    GroupCount: ptr uint16,  # WORD* in/out
    GroupArray: ptr uint16  # WORD* out
): int32 {.importc: "GetProcessGroupAffinity", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int GetProcessGroupAffinity(
    void* hProcess,   // HANDLE
    ushort* GroupCount,   // WORD* in/out
    ushort* GroupArray   // WORD* out
);

ccall((:GetProcessGroupAffinity, "KERNEL32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt16}, Ptr{UInt16}),
      hProcess, GroupCount, GroupArray)
# hProcess : HANDLE -> Ptr{Cvoid}
# GroupCount : WORD* in/out -> Ptr{UInt16}
# GroupArray : WORD* out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetProcessGroupAffinity(
    void* hProcess,
    uint16_t* GroupCount,
    uint16_t* GroupArray);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.GetProcessGroupAffinity(hProcess, GroupCount, GroupArray)
-- hProcess : HANDLE
-- GroupCount : WORD* in/out
-- GroupArray : WORD* 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('KERNEL32.dll');
const GetProcessGroupAffinity = lib.func('__stdcall', 'GetProcessGroupAffinity', 'int32_t', ['void *', 'uint16_t *', 'uint16_t *']);
// GetProcessGroupAffinity(hProcess, GroupCount, GroupArray)
// hProcess : HANDLE -> 'void *'
// GroupCount : WORD* in/out -> 'uint16_t *'
// GroupArray : WORD* out -> 'uint16_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", {
  GetProcessGroupAffinity: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GetProcessGroupAffinity(hProcess, GroupCount, GroupArray)
// hProcess : HANDLE -> "pointer"
// GroupCount : WORD* in/out -> "pointer"
// GroupArray : WORD* 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
int32_t GetProcessGroupAffinity(
    void* hProcess,
    uint16_t* GroupCount,
    uint16_t* GroupArray);
C, "KERNEL32.dll");
// $ffi->GetProcessGroupAffinity(hProcess, GroupCount, GroupArray);
// hProcess : HANDLE
// GroupCount : WORD* in/out
// GroupArray : WORD* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean GetProcessGroupAffinity(
        Pointer hProcess,   // HANDLE
        ShortByReference GroupCount,   // WORD* in/out
        ShortByReference GroupArray   // WORD* out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun GetProcessGroupAffinity = GetProcessGroupAffinity(
    hProcess : Void*,   # HANDLE
    GroupCount : UInt16*,   # WORD* in/out
    GroupArray : UInt16*   # WORD* out
  ) : 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 GetProcessGroupAffinityNative = Int32 Function(Pointer<Void>, Pointer<Uint16>, Pointer<Uint16>);
typedef GetProcessGroupAffinityDart = int Function(Pointer<Void>, Pointer<Uint16>, Pointer<Uint16>);
final GetProcessGroupAffinity = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetProcessGroupAffinityNative, GetProcessGroupAffinityDart>('GetProcessGroupAffinity');
// hProcess : HANDLE -> Pointer<Void>
// GroupCount : WORD* in/out -> Pointer<Uint16>
// GroupArray : WORD* out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetProcessGroupAffinity(
  hProcess: THandle;   // HANDLE
  GroupCount: Pointer;   // WORD* in/out
  GroupArray: Pointer   // WORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetProcessGroupAffinity';

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

foreign import stdcall safe "GetProcessGroupAffinity"
  c_GetProcessGroupAffinity :: Ptr () -> Ptr Word16 -> Ptr Word16 -> IO CInt
-- hProcess : HANDLE -> Ptr ()
-- GroupCount : WORD* in/out -> Ptr Word16
-- GroupArray : WORD* out -> Ptr Word16
-- 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 getprocessgroupaffinity =
  foreign "GetProcessGroupAffinity"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> returning int32_t)
(* hProcess : HANDLE -> (ptr void) *)
(* GroupCount : WORD* in/out -> (ptr uint16_t) *)
(* GroupArray : WORD* out -> (ptr uint16_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 ("GetProcessGroupAffinity" get-process-group-affinity :convention :stdcall) :int32
  (h-process :pointer)   ; HANDLE
  (group-count :pointer)   ; WORD* in/out
  (group-array :pointer))   ; WORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetProcessGroupAffinity = Win32::API::More->new('KERNEL32',
    'BOOL GetProcessGroupAffinity(HANDLE hProcess, LPVOID GroupCount, LPVOID GroupArray)');
# my $ret = $GetProcessGroupAffinity->Call($hProcess, $GroupCount, $GroupArray);
# hProcess : HANDLE -> HANDLE
# GroupCount : WORD* in/out -> LPVOID
# GroupArray : WORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。