PauseClusterNodeEx2

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

DWORD PauseClusterNodeEx2(
    HNODE hNode,
    BOOL bDrainNode,
    DWORD dwPauseFlags,
    HNODE hNodeDrainTarget,   // optional
    LPCWSTR lpszReason   // optional
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function PauseClusterNodeEx2(
    hNode As IntPtr,   ' HNODE
    bDrainNode As Boolean,   ' BOOL
    dwPauseFlags As UInteger,   ' DWORD
    hNodeDrainTarget As IntPtr,   ' HNODE optional
    <MarshalAs(UnmanagedType.LPWStr)> lpszReason As String   ' LPCWSTR optional
) As UInteger
End Function

' hNode : HNODE
' bDrainNode : BOOL
' dwPauseFlags : DWORD
' hNodeDrainTarget : HNODE optional
' lpszReason : LPCWSTR optional
Declare PtrSafe Function PauseClusterNodeEx2 Lib "clusapi" ( _
    ByVal hNode As LongPtr, _
    ByVal bDrainNode As Long, _
    ByVal dwPauseFlags As Long, _
    ByVal hNodeDrainTarget As LongPtr, _
    ByVal lpszReason 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

PauseClusterNodeEx2 = ctypes.windll.clusapi.PauseClusterNodeEx2
PauseClusterNodeEx2.restype = wintypes.DWORD
PauseClusterNodeEx2.argtypes = [
    ctypes.c_ssize_t,  # hNode : HNODE
    wintypes.BOOL,  # bDrainNode : BOOL
    wintypes.DWORD,  # dwPauseFlags : DWORD
    ctypes.c_ssize_t,  # hNodeDrainTarget : HNODE optional
    wintypes.LPCWSTR,  # lpszReason : LPCWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
PauseClusterNodeEx2 = Fiddle::Function.new(
  lib['PauseClusterNodeEx2'],
  [
    Fiddle::TYPE_INTPTR_T,  # hNode : HNODE
    Fiddle::TYPE_INT,  # bDrainNode : BOOL
    -Fiddle::TYPE_INT,  # dwPauseFlags : DWORD
    Fiddle::TYPE_INTPTR_T,  # hNodeDrainTarget : HNODE optional
    Fiddle::TYPE_VOIDP,  # lpszReason : LPCWSTR optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn PauseClusterNodeEx2(
        hNode: isize,  // HNODE
        bDrainNode: i32,  // BOOL
        dwPauseFlags: u32,  // DWORD
        hNodeDrainTarget: isize,  // HNODE optional
        lpszReason: *const u16  // LPCWSTR optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint PauseClusterNodeEx2(IntPtr hNode, bool bDrainNode, uint dwPauseFlags, IntPtr hNodeDrainTarget, [MarshalAs(UnmanagedType.LPWStr)] string lpszReason);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_PauseClusterNodeEx2' -Namespace Win32 -PassThru
# $api::PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)

#uselib "CLUSAPI.dll"
#func global PauseClusterNodeEx2 "PauseClusterNodeEx2" sptr, sptr, sptr, sptr, sptr
; PauseClusterNodeEx2 hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason   ; 戻り値は stat
; hNode : HNODE -> "sptr"
; bDrainNode : BOOL -> "sptr"
; dwPauseFlags : DWORD -> "sptr"
; hNodeDrainTarget : HNODE optional -> "sptr"
; lpszReason : LPCWSTR optional -> "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 "CLUSAPI.dll"
#cfunc global PauseClusterNodeEx2 "PauseClusterNodeEx2" sptr, int, int, sptr, wstr
; res = PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
; hNode : HNODE -> "sptr"
; bDrainNode : BOOL -> "int"
; dwPauseFlags : DWORD -> "int"
; hNodeDrainTarget : HNODE optional -> "sptr"
; lpszReason : LPCWSTR optional -> "wstr"

; DWORD PauseClusterNodeEx2(HNODE hNode, BOOL bDrainNode, DWORD dwPauseFlags, HNODE hNodeDrainTarget, LPCWSTR lpszReason)
#uselib "CLUSAPI.dll"
#cfunc global PauseClusterNodeEx2 "PauseClusterNodeEx2" intptr, int, int, intptr, wstr
; res = PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
; hNode : HNODE -> "intptr"
; bDrainNode : BOOL -> "int"
; dwPauseFlags : DWORD -> "int"
; hNodeDrainTarget : HNODE optional -> "intptr"
; lpszReason : LPCWSTR optional -> "wstr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procPauseClusterNodeEx2 = clusapi.NewProc("PauseClusterNodeEx2")
)

// hNode (HNODE), bDrainNode (BOOL), dwPauseFlags (DWORD), hNodeDrainTarget (HNODE optional), lpszReason (LPCWSTR optional)
r1, _, err := procPauseClusterNodeEx2.Call(
	uintptr(hNode),
	uintptr(bDrainNode),
	uintptr(dwPauseFlags),
	uintptr(hNodeDrainTarget),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszReason))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PauseClusterNodeEx2(
  hNode: NativeInt;   // HNODE
  bDrainNode: BOOL;   // BOOL
  dwPauseFlags: DWORD;   // DWORD
  hNodeDrainTarget: NativeInt;   // HNODE optional
  lpszReason: PWideChar   // LPCWSTR optional
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'PauseClusterNodeEx2';

result := DllCall("CLUSAPI\PauseClusterNodeEx2"
    , "Ptr", hNode   ; HNODE
    , "Int", bDrainNode   ; BOOL
    , "UInt", dwPauseFlags   ; DWORD
    , "Ptr", hNodeDrainTarget   ; HNODE optional
    , "WStr", lpszReason   ; LPCWSTR optional
    , "UInt")   ; return: DWORD

●PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason) = DLL("CLUSAPI.dll", "dword PauseClusterNodeEx2(int, bool, dword, int, char*)")
# 呼び出し: PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
# hNode : HNODE -> "int"
# bDrainNode : BOOL -> "bool"
# dwPauseFlags : DWORD -> "dword"
# hNodeDrainTarget : HNODE optional -> "int"
# lpszReason : LPCWSTR optional -> "char*"
# 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)。

const std = @import("std");

extern "clusapi" fn PauseClusterNodeEx2(
    hNode: isize, // HNODE
    bDrainNode: i32, // BOOL
    dwPauseFlags: u32, // DWORD
    hNodeDrainTarget: isize, // HNODE optional
    lpszReason: [*c]const u16 // LPCWSTR optional
) callconv(std.os.windows.WINAPI) u32;

proc PauseClusterNodeEx2(
    hNode: int,  # HNODE
    bDrainNode: int32,  # BOOL
    dwPauseFlags: uint32,  # DWORD
    hNodeDrainTarget: int,  # HNODE optional
    lpszReason: WideCString  # LPCWSTR optional
): uint32 {.importc: "PauseClusterNodeEx2", stdcall, dynlib: "CLUSAPI.dll".}

pragma(lib, "clusapi");
extern(Windows)
uint PauseClusterNodeEx2(
    ptrdiff_t hNode,   // HNODE
    int bDrainNode,   // BOOL
    uint dwPauseFlags,   // DWORD
    ptrdiff_t hNodeDrainTarget,   // HNODE optional
    const(wchar)* lpszReason   // LPCWSTR optional
);

ccall((:PauseClusterNodeEx2, "CLUSAPI.dll"), stdcall, UInt32,
      (Int, Int32, UInt32, Int, Cwstring),
      hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
# hNode : HNODE -> Int
# bDrainNode : BOOL -> Int32
# dwPauseFlags : DWORD -> UInt32
# hNodeDrainTarget : HNODE optional -> Int
# lpszReason : LPCWSTR optional -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PauseClusterNodeEx2(
    intptr_t hNode,
    int32_t bDrainNode,
    uint32_t dwPauseFlags,
    intptr_t hNodeDrainTarget,
    const uint16_t* lpszReason);
]]
local clusapi = ffi.load("clusapi")
-- clusapi.PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
-- hNode : HNODE
-- bDrainNode : BOOL
-- dwPauseFlags : DWORD
-- hNodeDrainTarget : HNODE optional
-- lpszReason : LPCWSTR optional
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('CLUSAPI.dll');
const PauseClusterNodeEx2 = lib.func('__stdcall', 'PauseClusterNodeEx2', 'uint32_t', ['intptr_t', 'int32_t', 'uint32_t', 'intptr_t', 'str16']);
// PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
// hNode : HNODE -> 'intptr_t'
// bDrainNode : BOOL -> 'int32_t'
// dwPauseFlags : DWORD -> 'uint32_t'
// hNodeDrainTarget : HNODE optional -> 'intptr_t'
// lpszReason : LPCWSTR optional -> 'str16'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("CLUSAPI.dll", {
  PauseClusterNodeEx2: { parameters: ["isize", "i32", "u32", "isize", "buffer"], result: "u32" },
});
// lib.symbols.PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason)
// hNode : HNODE -> "isize"
// bDrainNode : BOOL -> "i32"
// dwPauseFlags : DWORD -> "u32"
// hNodeDrainTarget : HNODE optional -> "isize"
// lpszReason : LPCWSTR optional -> "buffer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t PauseClusterNodeEx2(
    intptr_t hNode,
    int32_t bDrainNode,
    uint32_t dwPauseFlags,
    intptr_t hNodeDrainTarget,
    const uint16_t* lpszReason);
C, "CLUSAPI.dll");
// $ffi->PauseClusterNodeEx2(hNode, bDrainNode, dwPauseFlags, hNodeDrainTarget, lpszReason);
// hNode : HNODE
// bDrainNode : BOOL
// dwPauseFlags : DWORD
// hNodeDrainTarget : HNODE optional
// lpszReason : LPCWSTR optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Clusapi extends StdCallLibrary {
    Clusapi INSTANCE = Native.load("clusapi", Clusapi.class);
    int PauseClusterNodeEx2(
        long hNode,   // HNODE
        boolean bDrainNode,   // BOOL
        int dwPauseFlags,   // DWORD
        long hNodeDrainTarget,   // HNODE optional
        WString lpszReason   // LPCWSTR optional
    );
}

@[Link("clusapi")]
lib LibCLUSAPI
  fun PauseClusterNodeEx2 = PauseClusterNodeEx2(
    hNode : LibC::SSizeT,   # HNODE
    bDrainNode : Int32,   # BOOL
    dwPauseFlags : UInt32,   # DWORD
    hNodeDrainTarget : LibC::SSizeT,   # HNODE optional
    lpszReason : UInt16*   # LPCWSTR optional
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef PauseClusterNodeEx2Native = Uint32 Function(IntPtr, Int32, Uint32, IntPtr, Pointer<Utf16>);
typedef PauseClusterNodeEx2Dart = int Function(int, int, int, int, Pointer<Utf16>);
final PauseClusterNodeEx2 = DynamicLibrary.open('CLUSAPI.dll')
    .lookupFunction<PauseClusterNodeEx2Native, PauseClusterNodeEx2Dart>('PauseClusterNodeEx2');
// hNode : HNODE -> IntPtr
// bDrainNode : BOOL -> Int32
// dwPauseFlags : DWORD -> Uint32
// hNodeDrainTarget : HNODE optional -> IntPtr
// lpszReason : LPCWSTR optional -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PauseClusterNodeEx2(
  hNode: NativeInt;   // HNODE
  bDrainNode: BOOL;   // BOOL
  dwPauseFlags: DWORD;   // DWORD
  hNodeDrainTarget: NativeInt;   // HNODE optional
  lpszReason: PWideChar   // LPCWSTR optional
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'PauseClusterNodeEx2';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PauseClusterNodeEx2"
  c_PauseClusterNodeEx2 :: CIntPtr -> CInt -> Word32 -> CIntPtr -> CWString -> IO Word32
-- hNode : HNODE -> CIntPtr
-- bDrainNode : BOOL -> CInt
-- dwPauseFlags : DWORD -> Word32
-- hNodeDrainTarget : HNODE optional -> CIntPtr
-- lpszReason : LPCWSTR optional -> CWString
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let pauseclusternodeex2 =
  foreign "PauseClusterNodeEx2"
    (intptr_t @-> int32_t @-> uint32_t @-> intptr_t @-> (ptr uint16_t) @-> returning uint32_t)
(* hNode : HNODE -> intptr_t *)
(* bDrainNode : BOOL -> int32_t *)
(* dwPauseFlags : DWORD -> uint32_t *)
(* hNodeDrainTarget : HNODE optional -> intptr_t *)
(* lpszReason : LPCWSTR optional -> (ptr uint16_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library clusapi (t "CLUSAPI.dll"))
(cffi:use-foreign-library clusapi)

(cffi:defcfun ("PauseClusterNodeEx2" pause-cluster-node-ex2 :convention :stdcall) :uint32
  (h-node :int64)   ; HNODE
  (b-drain-node :int32)   ; BOOL
  (dw-pause-flags :uint32)   ; DWORD
  (h-node-drain-target :int64)   ; HNODE optional
  (lpsz-reason (:string :encoding :utf-16le)))   ; LPCWSTR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PauseClusterNodeEx2 = Win32::API::More->new('CLUSAPI',
    'DWORD PauseClusterNodeEx2(LPARAM hNode, BOOL bDrainNode, DWORD dwPauseFlags, LPARAM hNodeDrainTarget, LPCWSTR lpszReason)');
# my $ret = $PauseClusterNodeEx2->Call($hNode, $bDrainNode, $dwPauseFlags, $hNodeDrainTarget, $lpszReason);
# hNode : HNODE -> LPARAM
# bDrainNode : BOOL -> BOOL
# dwPauseFlags : DWORD -> DWORD
# hNodeDrainTarget : HNODE optional -> LPARAM
# lpszReason : LPCWSTR optional -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。