SetThreadAffinityMask

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

UINT_PTR SetThreadAffinityMask(
    HANDLE hThread,
    UINT_PTR dwThreadAffinityMask
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetThreadAffinityMask(
    hThread As IntPtr,   ' HANDLE
    dwThreadAffinityMask As UIntPtr   ' UINT_PTR
) As UIntPtr
End Function

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

import ctypes
from ctypes import wintypes

SetThreadAffinityMask = ctypes.windll.kernel32.SetThreadAffinityMask
SetThreadAffinityMask.restype = ctypes.c_size_t
SetThreadAffinityMask.argtypes = [
    wintypes.HANDLE,  # hThread : HANDLE
    ctypes.c_size_t,  # dwThreadAffinityMask : UINT_PTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetThreadAffinityMask = Fiddle::Function.new(
  lib['SetThreadAffinityMask'],
  [
    Fiddle::TYPE_VOIDP,  # hThread : HANDLE
    Fiddle::TYPE_UINTPTR_T,  # dwThreadAffinityMask : UINT_PTR
  ],
  Fiddle::TYPE_UINTPTR_T)

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

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern UIntPtr SetThreadAffinityMask(IntPtr hThread, UIntPtr dwThreadAffinityMask);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetThreadAffinityMask' -Namespace Win32 -PassThru
# $api::SetThreadAffinityMask(hThread, dwThreadAffinityMask)

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

; UINT_PTR SetThreadAffinityMask(HANDLE hThread, UINT_PTR dwThreadAffinityMask)
#uselib "KERNEL32.dll"
#cfunc global SetThreadAffinityMask "SetThreadAffinityMask" intptr, intptr
; res = SetThreadAffinityMask(hThread, dwThreadAffinityMask)
; hThread : HANDLE -> "intptr"
; dwThreadAffinityMask : UINT_PTR -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetThreadAffinityMask = kernel32.NewProc("SetThreadAffinityMask")
)

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

function SetThreadAffinityMask(
  hThread: THandle;   // HANDLE
  dwThreadAffinityMask: NativeUInt   // UINT_PTR
): NativeUInt; stdcall;
  external 'KERNEL32.dll' name 'SetThreadAffinityMask';

result := DllCall("KERNEL32\SetThreadAffinityMask"
    , "Ptr", hThread   ; HANDLE
    , "UPtr", dwThreadAffinityMask   ; UINT_PTR
    , "UPtr")   ; return: UINT_PTR

●SetThreadAffinityMask(hThread, dwThreadAffinityMask) = DLL("KERNEL32.dll", "int SetThreadAffinityMask(void*, int)")
# 呼び出し: SetThreadAffinityMask(hThread, dwThreadAffinityMask)
# hThread : HANDLE -> "void*"
# dwThreadAffinityMask : 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)。