SetProcessAffinityMask

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

BOOL SetProcessAffinityMask(
    HANDLE hProcess,
    UINT_PTR dwProcessAffinityMask
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetProcessAffinityMask(
    hProcess As IntPtr,   ' HANDLE
    dwProcessAffinityMask As UIntPtr   ' UINT_PTR
) As Boolean
End Function

' hProcess : HANDLE
' dwProcessAffinityMask : UINT_PTR
Declare PtrSafe Function SetProcessAffinityMask Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByVal dwProcessAffinityMask 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

SetProcessAffinityMask = ctypes.windll.kernel32.SetProcessAffinityMask
SetProcessAffinityMask.restype = wintypes.BOOL
SetProcessAffinityMask.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_size_t,  # dwProcessAffinityMask : UINT_PTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetProcessAffinityMask = Fiddle::Function.new(
  lib['SetProcessAffinityMask'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_UINTPTR_T,  # dwProcessAffinityMask : UINT_PTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetProcessAffinityMask(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        dwProcessAffinityMask: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool SetProcessAffinityMask(IntPtr hProcess, UIntPtr dwProcessAffinityMask);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetProcessAffinityMask' -Namespace Win32 -PassThru
# $api::SetProcessAffinityMask(hProcess, dwProcessAffinityMask)

#uselib "KERNEL32.dll"
#func global SetProcessAffinityMask "SetProcessAffinityMask" sptr, sptr
; SetProcessAffinityMask hProcess, dwProcessAffinityMask   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; dwProcessAffinityMask : UINT_PTR -> "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 SetProcessAffinityMask "SetProcessAffinityMask" sptr, sptr
; res = SetProcessAffinityMask(hProcess, dwProcessAffinityMask)
; hProcess : HANDLE -> "sptr"
; dwProcessAffinityMask : UINT_PTR -> "sptr"

; BOOL SetProcessAffinityMask(HANDLE hProcess, UINT_PTR dwProcessAffinityMask)
#uselib "KERNEL32.dll"
#cfunc global SetProcessAffinityMask "SetProcessAffinityMask" intptr, intptr
; res = SetProcessAffinityMask(hProcess, dwProcessAffinityMask)
; hProcess : HANDLE -> "intptr"
; dwProcessAffinityMask : UINT_PTR -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetProcessAffinityMask = kernel32.NewProc("SetProcessAffinityMask")
)

// hProcess (HANDLE), dwProcessAffinityMask (UINT_PTR)
r1, _, err := procSetProcessAffinityMask.Call(
	uintptr(hProcess),
	uintptr(dwProcessAffinityMask),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetProcessAffinityMask(
  hProcess: THandle;   // HANDLE
  dwProcessAffinityMask: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetProcessAffinityMask';

result := DllCall("KERNEL32\SetProcessAffinityMask"
    , "Ptr", hProcess   ; HANDLE
    , "UPtr", dwProcessAffinityMask   ; UINT_PTR
    , "Int")   ; return: BOOL

●SetProcessAffinityMask(hProcess, dwProcessAffinityMask) = DLL("KERNEL32.dll", "bool SetProcessAffinityMask(void*, int)")
# 呼び出し: SetProcessAffinityMask(hProcess, dwProcessAffinityMask)
# hProcess : HANDLE -> "void*"
# dwProcessAffinityMask : UINT_PTR -> "int"
# 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)。