GetQueuedCompletionStatusEx

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

BOOL GetQueuedCompletionStatusEx(
    HANDLE CompletionPort,
    OVERLAPPED_ENTRY* lpCompletionPortEntries,
    DWORD ulCount,
    DWORD* ulNumEntriesRemoved,
    DWORD dwMilliseconds,
    BOOL fAlertable
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetQueuedCompletionStatusEx(
    CompletionPort As IntPtr,   ' HANDLE
    lpCompletionPortEntries As IntPtr,   ' OVERLAPPED_ENTRY* out
    ulCount As UInteger,   ' DWORD
    <Out> ByRef ulNumEntriesRemoved As UInteger,   ' DWORD* out
    dwMilliseconds As UInteger,   ' DWORD
    fAlertable As Boolean   ' BOOL
) As Boolean
End Function

' CompletionPort : HANDLE
' lpCompletionPortEntries : OVERLAPPED_ENTRY* out
' ulCount : DWORD
' ulNumEntriesRemoved : DWORD* out
' dwMilliseconds : DWORD
' fAlertable : BOOL
Declare PtrSafe Function GetQueuedCompletionStatusEx Lib "kernel32" ( _
    ByVal CompletionPort As LongPtr, _
    ByVal lpCompletionPortEntries As LongPtr, _
    ByVal ulCount As Long, _
    ByRef ulNumEntriesRemoved As Long, _
    ByVal dwMilliseconds As Long, _
    ByVal fAlertable 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

GetQueuedCompletionStatusEx = ctypes.windll.kernel32.GetQueuedCompletionStatusEx
GetQueuedCompletionStatusEx.restype = wintypes.BOOL
GetQueuedCompletionStatusEx.argtypes = [
    wintypes.HANDLE,  # CompletionPort : HANDLE
    ctypes.c_void_p,  # lpCompletionPortEntries : OVERLAPPED_ENTRY* out
    wintypes.DWORD,  # ulCount : DWORD
    ctypes.POINTER(wintypes.DWORD),  # ulNumEntriesRemoved : DWORD* out
    wintypes.DWORD,  # dwMilliseconds : DWORD
    wintypes.BOOL,  # fAlertable : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetQueuedCompletionStatusEx = Fiddle::Function.new(
  lib['GetQueuedCompletionStatusEx'],
  [
    Fiddle::TYPE_VOIDP,  # CompletionPort : HANDLE
    Fiddle::TYPE_VOIDP,  # lpCompletionPortEntries : OVERLAPPED_ENTRY* out
    -Fiddle::TYPE_INT,  # ulCount : DWORD
    Fiddle::TYPE_VOIDP,  # ulNumEntriesRemoved : DWORD* out
    -Fiddle::TYPE_INT,  # dwMilliseconds : DWORD
    Fiddle::TYPE_INT,  # fAlertable : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetQueuedCompletionStatusEx(
        CompletionPort: *mut core::ffi::c_void,  // HANDLE
        lpCompletionPortEntries: *mut OVERLAPPED_ENTRY,  // OVERLAPPED_ENTRY* out
        ulCount: u32,  // DWORD
        ulNumEntriesRemoved: *mut u32,  // DWORD* out
        dwMilliseconds: u32,  // DWORD
        fAlertable: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool GetQueuedCompletionStatusEx(IntPtr CompletionPort, IntPtr lpCompletionPortEntries, uint ulCount, out uint ulNumEntriesRemoved, uint dwMilliseconds, bool fAlertable);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetQueuedCompletionStatusEx' -Namespace Win32 -PassThru
# $api::GetQueuedCompletionStatusEx(CompletionPort, lpCompletionPortEntries, ulCount, ulNumEntriesRemoved, dwMilliseconds, fAlertable)

#uselib "KERNEL32.dll"
#func global GetQueuedCompletionStatusEx "GetQueuedCompletionStatusEx" sptr, sptr, sptr, sptr, sptr, sptr
; GetQueuedCompletionStatusEx CompletionPort, varptr(lpCompletionPortEntries), ulCount, varptr(ulNumEntriesRemoved), dwMilliseconds, fAlertable   ; 戻り値は stat
; CompletionPort : HANDLE -> "sptr"
; lpCompletionPortEntries : OVERLAPPED_ENTRY* out -> "sptr"
; ulCount : DWORD -> "sptr"
; ulNumEntriesRemoved : DWORD* out -> "sptr"
; dwMilliseconds : DWORD -> "sptr"
; fAlertable : BOOL -> "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 GetQueuedCompletionStatusEx "GetQueuedCompletionStatusEx" sptr, var, int, var, int, int
; res = GetQueuedCompletionStatusEx(CompletionPort, lpCompletionPortEntries, ulCount, ulNumEntriesRemoved, dwMilliseconds, fAlertable)
; CompletionPort : HANDLE -> "sptr"
; lpCompletionPortEntries : OVERLAPPED_ENTRY* out -> "var"
; ulCount : DWORD -> "int"
; ulNumEntriesRemoved : DWORD* out -> "var"
; dwMilliseconds : DWORD -> "int"
; fAlertable : BOOL -> "int"
; ※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 GetQueuedCompletionStatusEx(HANDLE CompletionPort, OVERLAPPED_ENTRY* lpCompletionPortEntries, DWORD ulCount, DWORD* ulNumEntriesRemoved, DWORD dwMilliseconds, BOOL fAlertable)
#uselib "KERNEL32.dll"
#cfunc global GetQueuedCompletionStatusEx "GetQueuedCompletionStatusEx" intptr, var, int, var, int, int
; res = GetQueuedCompletionStatusEx(CompletionPort, lpCompletionPortEntries, ulCount, ulNumEntriesRemoved, dwMilliseconds, fAlertable)
; CompletionPort : HANDLE -> "intptr"
; lpCompletionPortEntries : OVERLAPPED_ENTRY* out -> "var"
; ulCount : DWORD -> "int"
; ulNumEntriesRemoved : DWORD* out -> "var"
; dwMilliseconds : DWORD -> "int"
; fAlertable : BOOL -> "int"
; ※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")
	procGetQueuedCompletionStatusEx = kernel32.NewProc("GetQueuedCompletionStatusEx")
)

// CompletionPort (HANDLE), lpCompletionPortEntries (OVERLAPPED_ENTRY* out), ulCount (DWORD), ulNumEntriesRemoved (DWORD* out), dwMilliseconds (DWORD), fAlertable (BOOL)
r1, _, err := procGetQueuedCompletionStatusEx.Call(
	uintptr(CompletionPort),
	uintptr(lpCompletionPortEntries),
	uintptr(ulCount),
	uintptr(ulNumEntriesRemoved),
	uintptr(dwMilliseconds),
	uintptr(fAlertable),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetQueuedCompletionStatusEx(
  CompletionPort: THandle;   // HANDLE
  lpCompletionPortEntries: Pointer;   // OVERLAPPED_ENTRY* out
  ulCount: DWORD;   // DWORD
  ulNumEntriesRemoved: Pointer;   // DWORD* out
  dwMilliseconds: DWORD;   // DWORD
  fAlertable: BOOL   // BOOL
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetQueuedCompletionStatusEx';

result := DllCall("KERNEL32\GetQueuedCompletionStatusEx"
    , "Ptr", CompletionPort   ; HANDLE
    , "Ptr", lpCompletionPortEntries   ; OVERLAPPED_ENTRY* out
    , "UInt", ulCount   ; DWORD
    , "Ptr", ulNumEntriesRemoved   ; DWORD* out
    , "UInt", dwMilliseconds   ; DWORD
    , "Int", fAlertable   ; BOOL
    , "Int")   ; return: BOOL

●GetQueuedCompletionStatusEx(CompletionPort, lpCompletionPortEntries, ulCount, ulNumEntriesRemoved, dwMilliseconds, fAlertable) = DLL("KERNEL32.dll", "bool GetQueuedCompletionStatusEx(void*, void*, dword, void*, dword, bool)")
# 呼び出し: GetQueuedCompletionStatusEx(CompletionPort, lpCompletionPortEntries, ulCount, ulNumEntriesRemoved, dwMilliseconds, fAlertable)
# CompletionPort : HANDLE -> "void*"
# lpCompletionPortEntries : OVERLAPPED_ENTRY* out -> "void*"
# ulCount : DWORD -> "dword"
# ulNumEntriesRemoved : DWORD* out -> "void*"
# dwMilliseconds : DWORD -> "dword"
# fAlertable : BOOL -> "bool"
# 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)。