GetThreadSelectedCpuSets

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

BOOL GetThreadSelectedCpuSets(
    HANDLE Thread,
    DWORD* CpuSetIds,   // optional
    DWORD CpuSetIdCount,
    DWORD* RequiredIdCount
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function GetThreadSelectedCpuSets(
    Thread As IntPtr,   ' HANDLE
    CpuSetIds As IntPtr,   ' DWORD* optional, out
    CpuSetIdCount As UInteger,   ' DWORD
    <Out> ByRef RequiredIdCount As UInteger   ' DWORD* out
) As Boolean
End Function

' Thread : HANDLE
' CpuSetIds : DWORD* optional, out
' CpuSetIdCount : DWORD
' RequiredIdCount : DWORD* out
Declare PtrSafe Function GetThreadSelectedCpuSets Lib "kernel32" ( _
    ByVal Thread As LongPtr, _
    ByVal CpuSetIds As LongPtr, _
    ByVal CpuSetIdCount As Long, _
    ByRef RequiredIdCount 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

GetThreadSelectedCpuSets = ctypes.windll.kernel32.GetThreadSelectedCpuSets
GetThreadSelectedCpuSets.restype = wintypes.BOOL
GetThreadSelectedCpuSets.argtypes = [
    wintypes.HANDLE,  # Thread : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # CpuSetIds : DWORD* optional, out
    wintypes.DWORD,  # CpuSetIdCount : DWORD
    ctypes.POINTER(wintypes.DWORD),  # RequiredIdCount : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetThreadSelectedCpuSets = Fiddle::Function.new(
  lib['GetThreadSelectedCpuSets'],
  [
    Fiddle::TYPE_VOIDP,  # Thread : HANDLE
    Fiddle::TYPE_VOIDP,  # CpuSetIds : DWORD* optional, out
    -Fiddle::TYPE_INT,  # CpuSetIdCount : DWORD
    Fiddle::TYPE_VOIDP,  # RequiredIdCount : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetThreadSelectedCpuSets(
        Thread: *mut core::ffi::c_void,  // HANDLE
        CpuSetIds: *mut u32,  // DWORD* optional, out
        CpuSetIdCount: u32,  // DWORD
        RequiredIdCount: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool GetThreadSelectedCpuSets(IntPtr Thread, IntPtr CpuSetIds, uint CpuSetIdCount, out uint RequiredIdCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetThreadSelectedCpuSets' -Namespace Win32 -PassThru
# $api::GetThreadSelectedCpuSets(Thread, CpuSetIds, CpuSetIdCount, RequiredIdCount)

#uselib "KERNEL32.dll"
#func global GetThreadSelectedCpuSets "GetThreadSelectedCpuSets" sptr, sptr, sptr, sptr
; GetThreadSelectedCpuSets Thread, varptr(CpuSetIds), CpuSetIdCount, varptr(RequiredIdCount)   ; 戻り値は stat
; Thread : HANDLE -> "sptr"
; CpuSetIds : DWORD* optional, out -> "sptr"
; CpuSetIdCount : DWORD -> "sptr"
; RequiredIdCount : DWORD* 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 GetThreadSelectedCpuSets "GetThreadSelectedCpuSets" sptr, var, int, var
; res = GetThreadSelectedCpuSets(Thread, CpuSetIds, CpuSetIdCount, RequiredIdCount)
; Thread : HANDLE -> "sptr"
; CpuSetIds : DWORD* optional, out -> "var"
; CpuSetIdCount : DWORD -> "int"
; RequiredIdCount : DWORD* 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 GetThreadSelectedCpuSets(HANDLE Thread, DWORD* CpuSetIds, DWORD CpuSetIdCount, DWORD* RequiredIdCount)
#uselib "KERNEL32.dll"
#cfunc global GetThreadSelectedCpuSets "GetThreadSelectedCpuSets" intptr, var, int, var
; res = GetThreadSelectedCpuSets(Thread, CpuSetIds, CpuSetIdCount, RequiredIdCount)
; Thread : HANDLE -> "intptr"
; CpuSetIds : DWORD* optional, out -> "var"
; CpuSetIdCount : DWORD -> "int"
; RequiredIdCount : DWORD* 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")
	procGetThreadSelectedCpuSets = kernel32.NewProc("GetThreadSelectedCpuSets")
)

// Thread (HANDLE), CpuSetIds (DWORD* optional, out), CpuSetIdCount (DWORD), RequiredIdCount (DWORD* out)
r1, _, err := procGetThreadSelectedCpuSets.Call(
	uintptr(Thread),
	uintptr(CpuSetIds),
	uintptr(CpuSetIdCount),
	uintptr(RequiredIdCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetThreadSelectedCpuSets(
  Thread: THandle;   // HANDLE
  CpuSetIds: Pointer;   // DWORD* optional, out
  CpuSetIdCount: DWORD;   // DWORD
  RequiredIdCount: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetThreadSelectedCpuSets';

result := DllCall("KERNEL32\GetThreadSelectedCpuSets"
    , "Ptr", Thread   ; HANDLE
    , "Ptr", CpuSetIds   ; DWORD* optional, out
    , "UInt", CpuSetIdCount   ; DWORD
    , "Ptr", RequiredIdCount   ; DWORD* out
    , "Int")   ; return: BOOL

●GetThreadSelectedCpuSets(Thread, CpuSetIds, CpuSetIdCount, RequiredIdCount) = DLL("KERNEL32.dll", "bool GetThreadSelectedCpuSets(void*, void*, dword, void*)")
# 呼び出し: GetThreadSelectedCpuSets(Thread, CpuSetIds, CpuSetIdCount, RequiredIdCount)
# Thread : HANDLE -> "void*"
# CpuSetIds : DWORD* optional, out -> "void*"
# CpuSetIdCount : DWORD -> "dword"
# RequiredIdCount : DWORD* 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)。