GetThreadGroupAffinity

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

BOOL GetThreadGroupAffinity(
    HANDLE hThread,
    GROUP_AFFINITY* GroupAffinity
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function GetThreadGroupAffinity(
    hThread As IntPtr,   ' HANDLE
    GroupAffinity As IntPtr   ' GROUP_AFFINITY* out
) As Boolean
End Function

' hThread : HANDLE
' GroupAffinity : GROUP_AFFINITY* out
Declare PtrSafe Function GetThreadGroupAffinity Lib "kernel32" ( _
    ByVal hThread As LongPtr, _
    ByVal GroupAffinity 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

GetThreadGroupAffinity = ctypes.windll.kernel32.GetThreadGroupAffinity
GetThreadGroupAffinity.restype = wintypes.BOOL
GetThreadGroupAffinity.argtypes = [
    wintypes.HANDLE,  # hThread : HANDLE
    ctypes.c_void_p,  # GroupAffinity : GROUP_AFFINITY* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetThreadGroupAffinity = Fiddle::Function.new(
  lib['GetThreadGroupAffinity'],
  [
    Fiddle::TYPE_VOIDP,  # hThread : HANDLE
    Fiddle::TYPE_VOIDP,  # GroupAffinity : GROUP_AFFINITY* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetThreadGroupAffinity(
        hThread: *mut core::ffi::c_void,  // HANDLE
        GroupAffinity: *mut GROUP_AFFINITY  // GROUP_AFFINITY* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool GetThreadGroupAffinity(IntPtr hThread, IntPtr GroupAffinity);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetThreadGroupAffinity' -Namespace Win32 -PassThru
# $api::GetThreadGroupAffinity(hThread, GroupAffinity)

#uselib "KERNEL32.dll"
#func global GetThreadGroupAffinity "GetThreadGroupAffinity" sptr, sptr
; GetThreadGroupAffinity hThread, varptr(GroupAffinity)   ; 戻り値は stat
; hThread : HANDLE -> "sptr"
; GroupAffinity : GROUP_AFFINITY* 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 GetThreadGroupAffinity "GetThreadGroupAffinity" sptr, var
; res = GetThreadGroupAffinity(hThread, GroupAffinity)
; hThread : HANDLE -> "sptr"
; GroupAffinity : GROUP_AFFINITY* 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 GetThreadGroupAffinity(HANDLE hThread, GROUP_AFFINITY* GroupAffinity)
#uselib "KERNEL32.dll"
#cfunc global GetThreadGroupAffinity "GetThreadGroupAffinity" intptr, var
; res = GetThreadGroupAffinity(hThread, GroupAffinity)
; hThread : HANDLE -> "intptr"
; GroupAffinity : GROUP_AFFINITY* 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")
	procGetThreadGroupAffinity = kernel32.NewProc("GetThreadGroupAffinity")
)

// hThread (HANDLE), GroupAffinity (GROUP_AFFINITY* out)
r1, _, err := procGetThreadGroupAffinity.Call(
	uintptr(hThread),
	uintptr(GroupAffinity),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetThreadGroupAffinity(
  hThread: THandle;   // HANDLE
  GroupAffinity: Pointer   // GROUP_AFFINITY* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetThreadGroupAffinity';

result := DllCall("KERNEL32\GetThreadGroupAffinity"
    , "Ptr", hThread   ; HANDLE
    , "Ptr", GroupAffinity   ; GROUP_AFFINITY* out
    , "Int")   ; return: BOOL

●GetThreadGroupAffinity(hThread, GroupAffinity) = DLL("KERNEL32.dll", "bool GetThreadGroupAffinity(void*, void*)")
# 呼び出し: GetThreadGroupAffinity(hThread, GroupAffinity)
# hThread : HANDLE -> "void*"
# GroupAffinity : GROUP_AFFINITY* 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)。