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 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。

#uselib "KERNEL32.dll"
#cfunc global GetProcessGroupAffinity "GetProcessGroupAffinity" sptr, var, var
; res = GetProcessGroupAffinity(hProcess, GroupCount, GroupArray)
; hProcess : HANDLE -> "sptr"
; GroupCount : WORD* in/out -> "var"
; GroupArray : WORD* 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。

; BOOL GetProcessGroupAffinity(HANDLE hProcess, WORD* GroupCount, WORD* GroupArray)
#uselib "KERNEL32.dll"
#cfunc global GetProcessGroupAffinity "GetProcessGroupAffinity" intptr, var, var
; res = GetProcessGroupAffinity(hProcess, GroupCount, GroupArray)
; hProcess : HANDLE -> "intptr"
; GroupCount : WORD* in/out -> "var"
; GroupArray : WORD* 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 (
	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)。