CoWaitForMultipleObjects

// OLE32.dll
#include <windows.h>

HRESULT CoWaitForMultipleObjects(
    DWORD dwFlags,
    DWORD dwTimeout,
    DWORD cHandles,
    const HANDLE* pHandles,
    DWORD* lpdwindex
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoWaitForMultipleObjects(
    dwFlags As UInteger,   ' DWORD
    dwTimeout As UInteger,   ' DWORD
    cHandles As UInteger,   ' DWORD
    pHandles As IntPtr,   ' HANDLE*
    <Out> ByRef lpdwindex As UInteger   ' DWORD* out
) As Integer
End Function

' dwFlags : DWORD
' dwTimeout : DWORD
' cHandles : DWORD
' pHandles : HANDLE*
' lpdwindex : DWORD* out
Declare PtrSafe Function CoWaitForMultipleObjects Lib "ole32" ( _
    ByVal dwFlags As Long, _
    ByVal dwTimeout As Long, _
    ByVal cHandles As Long, _
    ByVal pHandles As LongPtr, _
    ByRef lpdwindex 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

CoWaitForMultipleObjects = ctypes.windll.ole32.CoWaitForMultipleObjects
CoWaitForMultipleObjects.restype = ctypes.c_int
CoWaitForMultipleObjects.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.DWORD,  # dwTimeout : DWORD
    wintypes.DWORD,  # cHandles : DWORD
    ctypes.c_void_p,  # pHandles : HANDLE*
    ctypes.POINTER(wintypes.DWORD),  # lpdwindex : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoWaitForMultipleObjects = Fiddle::Function.new(
  lib['CoWaitForMultipleObjects'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    -Fiddle::TYPE_INT,  # dwTimeout : DWORD
    -Fiddle::TYPE_INT,  # cHandles : DWORD
    Fiddle::TYPE_VOIDP,  # pHandles : HANDLE*
    Fiddle::TYPE_VOIDP,  # lpdwindex : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoWaitForMultipleObjects(
        dwFlags: u32,  // DWORD
        dwTimeout: u32,  // DWORD
        cHandles: u32,  // DWORD
        pHandles: *mut *mut core::ffi::c_void,  // HANDLE*
        lpdwindex: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoWaitForMultipleObjects(uint dwFlags, uint dwTimeout, uint cHandles, IntPtr pHandles, out uint lpdwindex);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoWaitForMultipleObjects' -Namespace Win32 -PassThru
# $api::CoWaitForMultipleObjects(dwFlags, dwTimeout, cHandles, pHandles, lpdwindex)

#uselib "OLE32.dll"
#func global CoWaitForMultipleObjects "CoWaitForMultipleObjects" sptr, sptr, sptr, sptr, sptr
; CoWaitForMultipleObjects dwFlags, dwTimeout, cHandles, pHandles, varptr(lpdwindex)   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; dwTimeout : DWORD -> "sptr"
; cHandles : DWORD -> "sptr"
; pHandles : HANDLE* -> "sptr"
; lpdwindex : 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。

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoWaitForMultipleObjects = ole32.NewProc("CoWaitForMultipleObjects")
)

// dwFlags (DWORD), dwTimeout (DWORD), cHandles (DWORD), pHandles (HANDLE*), lpdwindex (DWORD* out)
r1, _, err := procCoWaitForMultipleObjects.Call(
	uintptr(dwFlags),
	uintptr(dwTimeout),
	uintptr(cHandles),
	uintptr(pHandles),
	uintptr(lpdwindex),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoWaitForMultipleObjects(
  dwFlags: DWORD;   // DWORD
  dwTimeout: DWORD;   // DWORD
  cHandles: DWORD;   // DWORD
  pHandles: Pointer;   // HANDLE*
  lpdwindex: Pointer   // DWORD* out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoWaitForMultipleObjects';

result := DllCall("OLE32\CoWaitForMultipleObjects"
    , "UInt", dwFlags   ; DWORD
    , "UInt", dwTimeout   ; DWORD
    , "UInt", cHandles   ; DWORD
    , "Ptr", pHandles   ; HANDLE*
    , "Ptr", lpdwindex   ; DWORD* out
    , "Int")   ; return: HRESULT

●CoWaitForMultipleObjects(dwFlags, dwTimeout, cHandles, pHandles, lpdwindex) = DLL("OLE32.dll", "int CoWaitForMultipleObjects(dword, dword, dword, void*, void*)")
# 呼び出し: CoWaitForMultipleObjects(dwFlags, dwTimeout, cHandles, pHandles, lpdwindex)
# dwFlags : DWORD -> "dword"
# dwTimeout : DWORD -> "dword"
# cHandles : DWORD -> "dword"
# pHandles : HANDLE* -> "void*"
# lpdwindex : 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)。

const std = @import("std");

extern "ole32" fn CoWaitForMultipleObjects(
    dwFlags: u32, // DWORD
    dwTimeout: u32, // DWORD
    cHandles: u32, // DWORD
    pHandles: ?*anyopaque, // HANDLE*
    lpdwindex: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc CoWaitForMultipleObjects(
    dwFlags: uint32,  # DWORD
    dwTimeout: uint32,  # DWORD
    cHandles: uint32,  # DWORD
    pHandles: pointer,  # HANDLE*
    lpdwindex: ptr uint32  # DWORD* out
): int32 {.importc: "CoWaitForMultipleObjects", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int CoWaitForMultipleObjects(
    uint dwFlags,   // DWORD
    uint dwTimeout,   // DWORD
    uint cHandles,   // DWORD
    void* pHandles,   // HANDLE*
    uint* lpdwindex   // DWORD* out
);

ccall((:CoWaitForMultipleObjects, "OLE32.dll"), stdcall, Int32,
      (UInt32, UInt32, UInt32, Ptr{Cvoid}, Ptr{UInt32}),
      dwFlags, dwTimeout, cHandles, pHandles, lpdwindex)
# dwFlags : DWORD -> UInt32
# dwTimeout : DWORD -> UInt32
# cHandles : DWORD -> UInt32
# pHandles : HANDLE* -> Ptr{Cvoid}
# lpdwindex : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CoWaitForMultipleObjects(
    uint32_t dwFlags,
    uint32_t dwTimeout,
    uint32_t cHandles,
    void* pHandles,
    uint32_t* lpdwindex);
]]
local ole32 = ffi.load("ole32")
-- ole32.CoWaitForMultipleObjects(dwFlags, dwTimeout, cHandles, pHandles, lpdwindex)
-- dwFlags : DWORD
-- dwTimeout : DWORD
-- cHandles : DWORD
-- pHandles : HANDLE*
-- lpdwindex : DWORD* out
-- 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('OLE32.dll');
const CoWaitForMultipleObjects = lib.func('__stdcall', 'CoWaitForMultipleObjects', 'int32_t', ['uint32_t', 'uint32_t', 'uint32_t', 'void *', 'uint32_t *']);
// CoWaitForMultipleObjects(dwFlags, dwTimeout, cHandles, pHandles, lpdwindex)
// dwFlags : DWORD -> 'uint32_t'
// dwTimeout : DWORD -> 'uint32_t'
// cHandles : DWORD -> 'uint32_t'
// pHandles : HANDLE* -> 'void *'
// lpdwindex : DWORD* out -> 'uint32_t *'
// 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("OLE32.dll", {
  CoWaitForMultipleObjects: { parameters: ["u32", "u32", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CoWaitForMultipleObjects(dwFlags, dwTimeout, cHandles, pHandles, lpdwindex)
// dwFlags : DWORD -> "u32"
// dwTimeout : DWORD -> "u32"
// cHandles : DWORD -> "u32"
// pHandles : HANDLE* -> "pointer"
// lpdwindex : DWORD* out -> "pointer"
// 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
int32_t CoWaitForMultipleObjects(
    uint32_t dwFlags,
    uint32_t dwTimeout,
    uint32_t cHandles,
    void* pHandles,
    uint32_t* lpdwindex);
C, "OLE32.dll");
// $ffi->CoWaitForMultipleObjects(dwFlags, dwTimeout, cHandles, pHandles, lpdwindex);
// dwFlags : DWORD
// dwTimeout : DWORD
// cHandles : DWORD
// pHandles : HANDLE*
// lpdwindex : DWORD* out
// 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 Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int CoWaitForMultipleObjects(
        int dwFlags,   // DWORD
        int dwTimeout,   // DWORD
        int cHandles,   // DWORD
        Pointer pHandles,   // HANDLE*
        IntByReference lpdwindex   // DWORD* out
    );
}

@[Link("ole32")]
lib LibOLE32
  fun CoWaitForMultipleObjects = CoWaitForMultipleObjects(
    dwFlags : UInt32,   # DWORD
    dwTimeout : UInt32,   # DWORD
    cHandles : UInt32,   # DWORD
    pHandles : Void*,   # HANDLE*
    lpdwindex : UInt32*   # DWORD* out
  ) : Int32
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 CoWaitForMultipleObjectsNative = Int32 Function(Uint32, Uint32, Uint32, Pointer<Void>, Pointer<Uint32>);
typedef CoWaitForMultipleObjectsDart = int Function(int, int, int, Pointer<Void>, Pointer<Uint32>);
final CoWaitForMultipleObjects = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<CoWaitForMultipleObjectsNative, CoWaitForMultipleObjectsDart>('CoWaitForMultipleObjects');
// dwFlags : DWORD -> Uint32
// dwTimeout : DWORD -> Uint32
// cHandles : DWORD -> Uint32
// pHandles : HANDLE* -> Pointer<Void>
// lpdwindex : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CoWaitForMultipleObjects(
  dwFlags: DWORD;   // DWORD
  dwTimeout: DWORD;   // DWORD
  cHandles: DWORD;   // DWORD
  pHandles: Pointer;   // HANDLE*
  lpdwindex: Pointer   // DWORD* out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoWaitForMultipleObjects';

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

foreign import stdcall safe "CoWaitForMultipleObjects"
  c_CoWaitForMultipleObjects :: Word32 -> Word32 -> Word32 -> Ptr () -> Ptr Word32 -> IO Int32
-- dwFlags : DWORD -> Word32
-- dwTimeout : DWORD -> Word32
-- cHandles : DWORD -> Word32
-- pHandles : HANDLE* -> Ptr ()
-- lpdwindex : DWORD* out -> Ptr Word32
-- 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 cowaitformultipleobjects =
  foreign "CoWaitForMultipleObjects"
    (uint32_t @-> uint32_t @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* dwFlags : DWORD -> uint32_t *)
(* dwTimeout : DWORD -> uint32_t *)
(* cHandles : DWORD -> uint32_t *)
(* pHandles : HANDLE* -> (ptr void) *)
(* lpdwindex : DWORD* out -> (ptr uint32_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 ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("CoWaitForMultipleObjects" co-wait-for-multiple-objects :convention :stdcall) :int32
  (dw-flags :uint32)   ; DWORD
  (dw-timeout :uint32)   ; DWORD
  (c-handles :uint32)   ; DWORD
  (p-handles :pointer)   ; HANDLE*
  (lpdwindex :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CoWaitForMultipleObjects = Win32::API::More->new('OLE32',
    'int CoWaitForMultipleObjects(DWORD dwFlags, DWORD dwTimeout, DWORD cHandles, HANDLE pHandles, LPVOID lpdwindex)');
# my $ret = $CoWaitForMultipleObjects->Call($dwFlags, $dwTimeout, $cHandles, $pHandles, $lpdwindex);
# dwFlags : DWORD -> DWORD
# dwTimeout : DWORD -> DWORD
# cHandles : DWORD -> DWORD
# pHandles : HANDLE* -> HANDLE
# lpdwindex : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。