CreateNamedPipeW

関数

名前付きパイプのインスタンスを作成する。

DLLKERNEL32.dll文字セットUnicode (-W)呼出規約winapi

シグネチャ

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

HANDLE CreateNamedPipeW(
    LPCWSTR lpName,
    FILE_FLAGS_AND_ATTRIBUTES dwOpenMode,
    NAMED_PIPE_MODE dwPipeMode,
    DWORD nMaxInstances,
    DWORD nOutBufferSize,
    DWORD nInBufferSize,
    DWORD nDefaultTimeOut,
    SECURITY_ATTRIBUTES* lpSecurityAttributes   // optional
);

パラメーター

名前	型	方向	説明
lpName	LPCWSTR	in	作成するパイプの名前(Unicode、\\.\pipe\名形式)を指定する。
dwOpenMode	FILE_FLAGS_AND_ATTRIBUTES	in	アクセス方向やオーバーラップ等を示すオープンモードフラグを指定する。
dwPipeMode	NAMED_PIPE_MODE	in	バイト/メッセージ型、読取モード、待機モード等を示すパイプモードフラグを指定する。
nMaxInstances	DWORD	in	作成可能な最大インスタンス数。PIPE_UNLIMITED_INSTANCESで無制限。
nOutBufferSize	DWORD	in	出力バッファに確保するバイト数を指定する。
nInBufferSize	DWORD	in	入力バッファに確保するバイト数を指定する。
nDefaultTimeOut	DWORD	in	WaitNamedPipe既定のタイムアウト(ミリ秒)を指定する。
lpSecurityAttributes	SECURITY_ATTRIBUTES*	inoptional	セキュリティ記述子と継承可否を指定するSECURITY_ATTRIBUTES。NULLで既定。

戻り値の型: HANDLE

各言語での呼び出し定義

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

HANDLE CreateNamedPipeW(
    LPCWSTR lpName,
    FILE_FLAGS_AND_ATTRIBUTES dwOpenMode,
    NAMED_PIPE_MODE dwPipeMode,
    DWORD nMaxInstances,
    DWORD nOutBufferSize,
    DWORD nInBufferSize,
    DWORD nDefaultTimeOut,
    SECURITY_ATTRIBUTES* lpSecurityAttributes   // optional
);

[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern IntPtr CreateNamedPipeW(
    [MarshalAs(UnmanagedType.LPWStr)] string lpName,   // LPCWSTR
    uint dwOpenMode,   // FILE_FLAGS_AND_ATTRIBUTES
    uint dwPipeMode,   // NAMED_PIPE_MODE
    uint nMaxInstances,   // DWORD
    uint nOutBufferSize,   // DWORD
    uint nInBufferSize,   // DWORD
    uint nDefaultTimeOut,   // DWORD
    IntPtr lpSecurityAttributes   // SECURITY_ATTRIBUTES* optional
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CreateNamedPipeW(
    <MarshalAs(UnmanagedType.LPWStr)> lpName As String,   ' LPCWSTR
    dwOpenMode As UInteger,   ' FILE_FLAGS_AND_ATTRIBUTES
    dwPipeMode As UInteger,   ' NAMED_PIPE_MODE
    nMaxInstances As UInteger,   ' DWORD
    nOutBufferSize As UInteger,   ' DWORD
    nInBufferSize As UInteger,   ' DWORD
    nDefaultTimeOut As UInteger,   ' DWORD
    lpSecurityAttributes As IntPtr   ' SECURITY_ATTRIBUTES* optional
) As IntPtr
End Function

' lpName : LPCWSTR
' dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES
' dwPipeMode : NAMED_PIPE_MODE
' nMaxInstances : DWORD
' nOutBufferSize : DWORD
' nInBufferSize : DWORD
' nDefaultTimeOut : DWORD
' lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
Declare PtrSafe Function CreateNamedPipeW Lib "kernel32" ( _
    ByVal lpName As LongPtr, _
    ByVal dwOpenMode As Long, _
    ByVal dwPipeMode As Long, _
    ByVal nMaxInstances As Long, _
    ByVal nOutBufferSize As Long, _
    ByVal nInBufferSize As Long, _
    ByVal nDefaultTimeOut As Long, _
    ByVal lpSecurityAttributes As LongPtr) As LongPtr
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CreateNamedPipeW = ctypes.windll.kernel32.CreateNamedPipeW
CreateNamedPipeW.restype = ctypes.c_void_p
CreateNamedPipeW.argtypes = [
    wintypes.LPCWSTR,  # lpName : LPCWSTR
    wintypes.DWORD,  # dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES
    wintypes.DWORD,  # dwPipeMode : NAMED_PIPE_MODE
    wintypes.DWORD,  # nMaxInstances : DWORD
    wintypes.DWORD,  # nOutBufferSize : DWORD
    wintypes.DWORD,  # nInBufferSize : DWORD
    wintypes.DWORD,  # nDefaultTimeOut : DWORD
    ctypes.c_void_p,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
CreateNamedPipeW = Fiddle::Function.new(
  lib['CreateNamedPipeW'],
  [
    Fiddle::TYPE_VOIDP,  # lpName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES
    -Fiddle::TYPE_INT,  # dwPipeMode : NAMED_PIPE_MODE
    -Fiddle::TYPE_INT,  # nMaxInstances : DWORD
    -Fiddle::TYPE_INT,  # nOutBufferSize : DWORD
    -Fiddle::TYPE_INT,  # nInBufferSize : DWORD
    -Fiddle::TYPE_INT,  # nDefaultTimeOut : DWORD
    Fiddle::TYPE_VOIDP,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
  ],
  Fiddle::TYPE_VOIDP)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn CreateNamedPipeW(
        lpName: *const u16,  // LPCWSTR
        dwOpenMode: u32,  // FILE_FLAGS_AND_ATTRIBUTES
        dwPipeMode: u32,  // NAMED_PIPE_MODE
        nMaxInstances: u32,  // DWORD
        nOutBufferSize: u32,  // DWORD
        nInBufferSize: u32,  // DWORD
        nDefaultTimeOut: u32,  // DWORD
        lpSecurityAttributes: *mut SECURITY_ATTRIBUTES  // SECURITY_ATTRIBUTES* optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode)]
public static extern IntPtr CreateNamedPipeW([MarshalAs(UnmanagedType.LPWStr)] string lpName, uint dwOpenMode, uint dwPipeMode, uint nMaxInstances, uint nOutBufferSize, uint nInBufferSize, uint nDefaultTimeOut, IntPtr lpSecurityAttributes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_CreateNamedPipeW' -Namespace Win32 -PassThru
# $api::CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)

#uselib "KERNEL32.dll"
#func global CreateNamedPipeW "CreateNamedPipeW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; CreateNamedPipeW lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, varptr(lpSecurityAttributes)   ; 戻り値は stat
; lpName : LPCWSTR -> "wptr"
; dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> "wptr"
; dwPipeMode : NAMED_PIPE_MODE -> "wptr"
; nMaxInstances : DWORD -> "wptr"
; nOutBufferSize : DWORD -> "wptr"
; nInBufferSize : DWORD -> "wptr"
; nDefaultTimeOut : DWORD -> "wptr"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "wptr"
; ※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。

出力引数:

#uselib "KERNEL32.dll"
#cfunc global CreateNamedPipeW "CreateNamedPipeW" wstr, int, int, int, int, int, int, var
; res = CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)
; lpName : LPCWSTR -> "wstr"
; dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> "int"
; dwPipeMode : NAMED_PIPE_MODE -> "int"
; nMaxInstances : DWORD -> "int"
; nOutBufferSize : DWORD -> "int"
; nInBufferSize : DWORD -> "int"
; nDefaultTimeOut : DWORD -> "int"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "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。#uselib "KERNEL32.dll"
#cfunc global CreateNamedPipeW "CreateNamedPipeW" wstr, int, int, int, int, int, int, sptr
; res = CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, varptr(lpSecurityAttributes))
; lpName : LPCWSTR -> "wstr"
; dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> "int"
; dwPipeMode : NAMED_PIPE_MODE -> "int"
; nMaxInstances : DWORD -> "int"
; nOutBufferSize : DWORD -> "int"
; nInBufferSize : DWORD -> "int"
; nDefaultTimeOut : DWORD -> "int"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HANDLE CreateNamedPipeW(LPCWSTR lpName, FILE_FLAGS_AND_ATTRIBUTES dwOpenMode, NAMED_PIPE_MODE dwPipeMode, DWORD nMaxInstances, DWORD nOutBufferSize, DWORD nInBufferSize, DWORD nDefaultTimeOut, SECURITY_ATTRIBUTES* lpSecurityAttributes)
#uselib "KERNEL32.dll"
#cfunc global CreateNamedPipeW "CreateNamedPipeW" wstr, int, int, int, int, int, int, var
; res = CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)
; lpName : LPCWSTR -> "wstr"
; dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> "int"
; dwPipeMode : NAMED_PIPE_MODE -> "int"
; nMaxInstances : DWORD -> "int"
; nOutBufferSize : DWORD -> "int"
; nInBufferSize : DWORD -> "int"
; nDefaultTimeOut : DWORD -> "int"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "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。; HANDLE CreateNamedPipeW(LPCWSTR lpName, FILE_FLAGS_AND_ATTRIBUTES dwOpenMode, NAMED_PIPE_MODE dwPipeMode, DWORD nMaxInstances, DWORD nOutBufferSize, DWORD nInBufferSize, DWORD nDefaultTimeOut, SECURITY_ATTRIBUTES* lpSecurityAttributes)
#uselib "KERNEL32.dll"
#cfunc global CreateNamedPipeW "CreateNamedPipeW" wstr, int, int, int, int, int, int, intptr
; res = CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, varptr(lpSecurityAttributes))
; lpName : LPCWSTR -> "wstr"
; dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> "int"
; dwPipeMode : NAMED_PIPE_MODE -> "int"
; nMaxInstances : DWORD -> "int"
; nOutBufferSize : DWORD -> "int"
; nInBufferSize : DWORD -> "int"
; nDefaultTimeOut : DWORD -> "int"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procCreateNamedPipeW = kernel32.NewProc("CreateNamedPipeW")
)

// lpName (LPCWSTR), dwOpenMode (FILE_FLAGS_AND_ATTRIBUTES), dwPipeMode (NAMED_PIPE_MODE), nMaxInstances (DWORD), nOutBufferSize (DWORD), nInBufferSize (DWORD), nDefaultTimeOut (DWORD), lpSecurityAttributes (SECURITY_ATTRIBUTES* optional)
r1, _, err := procCreateNamedPipeW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpName))),
	uintptr(dwOpenMode),
	uintptr(dwPipeMode),
	uintptr(nMaxInstances),
	uintptr(nOutBufferSize),
	uintptr(nInBufferSize),
	uintptr(nDefaultTimeOut),
	uintptr(lpSecurityAttributes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function CreateNamedPipeW(
  lpName: PWideChar;   // LPCWSTR
  dwOpenMode: DWORD;   // FILE_FLAGS_AND_ATTRIBUTES
  dwPipeMode: DWORD;   // NAMED_PIPE_MODE
  nMaxInstances: DWORD;   // DWORD
  nOutBufferSize: DWORD;   // DWORD
  nInBufferSize: DWORD;   // DWORD
  nDefaultTimeOut: DWORD;   // DWORD
  lpSecurityAttributes: Pointer   // SECURITY_ATTRIBUTES* optional
): THandle; stdcall;
  external 'KERNEL32.dll' name 'CreateNamedPipeW';

result := DllCall("KERNEL32\CreateNamedPipeW"
    , "WStr", lpName   ; LPCWSTR
    , "UInt", dwOpenMode   ; FILE_FLAGS_AND_ATTRIBUTES
    , "UInt", dwPipeMode   ; NAMED_PIPE_MODE
    , "UInt", nMaxInstances   ; DWORD
    , "UInt", nOutBufferSize   ; DWORD
    , "UInt", nInBufferSize   ; DWORD
    , "UInt", nDefaultTimeOut   ; DWORD
    , "Ptr", lpSecurityAttributes   ; SECURITY_ATTRIBUTES* optional
    , "Ptr")   ; return: HANDLE

●CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes) = DLL("KERNEL32.dll", "void* CreateNamedPipeW(char*, dword, dword, dword, dword, dword, dword, void*)")
# 呼び出し: CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)
# lpName : LPCWSTR -> "char*"
# dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> "dword"
# dwPipeMode : NAMED_PIPE_MODE -> "dword"
# nMaxInstances : DWORD -> "dword"
# nOutBufferSize : DWORD -> "dword"
# nInBufferSize : DWORD -> "dword"
# nDefaultTimeOut : DWORD -> "dword"
# lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "kernel32" fn CreateNamedPipeW(
    lpName: [*c]const u16, // LPCWSTR
    dwOpenMode: u32, // FILE_FLAGS_AND_ATTRIBUTES
    dwPipeMode: u32, // NAMED_PIPE_MODE
    nMaxInstances: u32, // DWORD
    nOutBufferSize: u32, // DWORD
    nInBufferSize: u32, // DWORD
    nDefaultTimeOut: u32, // DWORD
    lpSecurityAttributes: [*c]SECURITY_ATTRIBUTES // SECURITY_ATTRIBUTES* optional
) callconv(std.os.windows.WINAPI) ?*anyopaque;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CreateNamedPipeW(
    lpName: WideCString,  # LPCWSTR
    dwOpenMode: uint32,  # FILE_FLAGS_AND_ATTRIBUTES
    dwPipeMode: uint32,  # NAMED_PIPE_MODE
    nMaxInstances: uint32,  # DWORD
    nOutBufferSize: uint32,  # DWORD
    nInBufferSize: uint32,  # DWORD
    nDefaultTimeOut: uint32,  # DWORD
    lpSecurityAttributes: ptr SECURITY_ATTRIBUTES  # SECURITY_ATTRIBUTES* optional
): pointer {.importc: "CreateNamedPipeW", stdcall, dynlib: "KERNEL32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "kernel32");
extern(Windows)
void* CreateNamedPipeW(
    const(wchar)* lpName,   // LPCWSTR
    uint dwOpenMode,   // FILE_FLAGS_AND_ATTRIBUTES
    uint dwPipeMode,   // NAMED_PIPE_MODE
    uint nMaxInstances,   // DWORD
    uint nOutBufferSize,   // DWORD
    uint nInBufferSize,   // DWORD
    uint nDefaultTimeOut,   // DWORD
    SECURITY_ATTRIBUTES* lpSecurityAttributes   // SECURITY_ATTRIBUTES* optional
);

ccall((:CreateNamedPipeW, "KERNEL32.dll"), stdcall, Ptr{Cvoid},
      (Cwstring, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, Ptr{SECURITY_ATTRIBUTES}),
      lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)
# lpName : LPCWSTR -> Cwstring
# dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> UInt32
# dwPipeMode : NAMED_PIPE_MODE -> UInt32
# nMaxInstances : DWORD -> UInt32
# nOutBufferSize : DWORD -> UInt32
# nInBufferSize : DWORD -> UInt32
# nDefaultTimeOut : DWORD -> UInt32
# lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> Ptr{SECURITY_ATTRIBUTES}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
void* CreateNamedPipeW(
    const uint16_t* lpName,
    uint32_t dwOpenMode,
    uint32_t dwPipeMode,
    uint32_t nMaxInstances,
    uint32_t nOutBufferSize,
    uint32_t nInBufferSize,
    uint32_t nDefaultTimeOut,
    void* lpSecurityAttributes);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)
-- lpName : LPCWSTR
-- dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES
-- dwPipeMode : NAMED_PIPE_MODE
-- nMaxInstances : DWORD
-- nOutBufferSize : DWORD
-- nInBufferSize : DWORD
-- nDefaultTimeOut : DWORD
-- lpSecurityAttributes : SECURITY_ATTRIBUTES* 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('KERNEL32.dll');
const CreateNamedPipeW = lib.func('__stdcall', 'CreateNamedPipeW', 'void *', ['str16', 'uint32_t', 'uint32_t', 'uint32_t', 'uint32_t', 'uint32_t', 'uint32_t', 'void *']);
// CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)
// lpName : LPCWSTR -> 'str16'
// dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> 'uint32_t'
// dwPipeMode : NAMED_PIPE_MODE -> 'uint32_t'
// nMaxInstances : DWORD -> 'uint32_t'
// nOutBufferSize : DWORD -> 'uint32_t'
// nInBufferSize : DWORD -> 'uint32_t'
// nDefaultTimeOut : DWORD -> 'uint32_t'
// lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> 'void *'
// 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("KERNEL32.dll", {
  CreateNamedPipeW: { parameters: ["buffer", "u32", "u32", "u32", "u32", "u32", "u32", "pointer"], result: "pointer" },
});
// lib.symbols.CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes)
// lpName : LPCWSTR -> "buffer"
// dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> "u32"
// dwPipeMode : NAMED_PIPE_MODE -> "u32"
// nMaxInstances : DWORD -> "u32"
// nOutBufferSize : DWORD -> "u32"
// nInBufferSize : DWORD -> "u32"
// nDefaultTimeOut : DWORD -> "u32"
// lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void* CreateNamedPipeW(
    const uint16_t* lpName,
    uint32_t dwOpenMode,
    uint32_t dwPipeMode,
    uint32_t nMaxInstances,
    uint32_t nOutBufferSize,
    uint32_t nInBufferSize,
    uint32_t nDefaultTimeOut,
    void* lpSecurityAttributes);
C, "KERNEL32.dll");
// $ffi->CreateNamedPipeW(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, lpSecurityAttributes);
// lpName : LPCWSTR
// dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES
// dwPipeMode : NAMED_PIPE_MODE
// nMaxInstances : DWORD
// nOutBufferSize : DWORD
// nInBufferSize : DWORD
// nDefaultTimeOut : DWORD
// lpSecurityAttributes : SECURITY_ATTRIBUTES* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class, W32APIOptions.UNICODE_OPTIONS);
    Pointer CreateNamedPipeW(
        WString lpName,   // LPCWSTR
        int dwOpenMode,   // FILE_FLAGS_AND_ATTRIBUTES
        int dwPipeMode,   // NAMED_PIPE_MODE
        int nMaxInstances,   // DWORD
        int nOutBufferSize,   // DWORD
        int nInBufferSize,   // DWORD
        int nDefaultTimeOut,   // DWORD
        Pointer lpSecurityAttributes   // SECURITY_ATTRIBUTES* optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("kernel32")]
lib LibKERNEL32
  fun CreateNamedPipeW = CreateNamedPipeW(
    lpName : UInt16*,   # LPCWSTR
    dwOpenMode : UInt32,   # FILE_FLAGS_AND_ATTRIBUTES
    dwPipeMode : UInt32,   # NAMED_PIPE_MODE
    nMaxInstances : UInt32,   # DWORD
    nOutBufferSize : UInt32,   # DWORD
    nInBufferSize : UInt32,   # DWORD
    nDefaultTimeOut : UInt32,   # DWORD
    lpSecurityAttributes : SECURITY_ATTRIBUTES*   # SECURITY_ATTRIBUTES* optional
  ) : Void*
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 CreateNamedPipeWNative = Pointer<Void> Function(Pointer<Utf16>, Uint32, Uint32, Uint32, Uint32, Uint32, Uint32, Pointer<Void>);
typedef CreateNamedPipeWDart = Pointer<Void> Function(Pointer<Utf16>, int, int, int, int, int, int, Pointer<Void>);
final CreateNamedPipeW = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<CreateNamedPipeWNative, CreateNamedPipeWDart>('CreateNamedPipeW');
// lpName : LPCWSTR -> Pointer<Utf16>
// dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> Uint32
// dwPipeMode : NAMED_PIPE_MODE -> Uint32
// nMaxInstances : DWORD -> Uint32
// nOutBufferSize : DWORD -> Uint32
// nInBufferSize : DWORD -> Uint32
// nDefaultTimeOut : DWORD -> Uint32
// lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CreateNamedPipeW(
  lpName: PWideChar;   // LPCWSTR
  dwOpenMode: DWORD;   // FILE_FLAGS_AND_ATTRIBUTES
  dwPipeMode: DWORD;   // NAMED_PIPE_MODE
  nMaxInstances: DWORD;   // DWORD
  nOutBufferSize: DWORD;   // DWORD
  nInBufferSize: DWORD;   // DWORD
  nDefaultTimeOut: DWORD;   // DWORD
  lpSecurityAttributes: Pointer   // SECURITY_ATTRIBUTES* optional
): THandle; stdcall;
  external 'KERNEL32.dll' name 'CreateNamedPipeW';

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

foreign import stdcall safe "CreateNamedPipeW"
  c_CreateNamedPipeW :: CWString -> Word32 -> Word32 -> Word32 -> Word32 -> Word32 -> Word32 -> Ptr () -> IO (Ptr ())
-- lpName : LPCWSTR -> CWString
-- dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> Word32
-- dwPipeMode : NAMED_PIPE_MODE -> Word32
-- nMaxInstances : DWORD -> Word32
-- nOutBufferSize : DWORD -> Word32
-- nInBufferSize : DWORD -> Word32
-- nDefaultTimeOut : DWORD -> Word32
-- lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> Ptr ()
-- 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 createnamedpipew =
  foreign "CreateNamedPipeW"
    ((ptr uint16_t) @-> uint32_t @-> uint32_t @-> uint32_t @-> uint32_t @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning (ptr void))
(* lpName : LPCWSTR -> (ptr uint16_t) *)
(* dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> uint32_t *)
(* dwPipeMode : NAMED_PIPE_MODE -> uint32_t *)
(* nMaxInstances : DWORD -> uint32_t *)
(* nOutBufferSize : DWORD -> uint32_t *)
(* nInBufferSize : DWORD -> uint32_t *)
(* nDefaultTimeOut : DWORD -> uint32_t *)
(* lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> (ptr void) *)
(* 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("CreateNamedPipeW" create-named-pipe-w :convention :stdcall) :pointer
  (lp-name (:string :encoding :utf-16le))   ; LPCWSTR
  (dw-open-mode :uint32)   ; FILE_FLAGS_AND_ATTRIBUTES
  (dw-pipe-mode :uint32)   ; NAMED_PIPE_MODE
  (n-max-instances :uint32)   ; DWORD
  (n-out-buffer-size :uint32)   ; DWORD
  (n-in-buffer-size :uint32)   ; DWORD
  (n-default-time-out :uint32)   ; DWORD
  (lp-security-attributes :pointer))   ; SECURITY_ATTRIBUTES* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CreateNamedPipeW = Win32::API::More->new('KERNEL32',
    'HANDLE CreateNamedPipeW(LPCWSTR lpName, DWORD dwOpenMode, DWORD dwPipeMode, DWORD nMaxInstances, DWORD nOutBufferSize, DWORD nInBufferSize, DWORD nDefaultTimeOut, LPVOID lpSecurityAttributes)');
# my $ret = $CreateNamedPipeW->Call($lpName, $dwOpenMode, $dwPipeMode, $nMaxInstances, $nOutBufferSize, $nInBufferSize, $nDefaultTimeOut, $lpSecurityAttributes);
# lpName : LPCWSTR -> LPCWSTR
# dwOpenMode : FILE_FLAGS_AND_ATTRIBUTES -> DWORD
# dwPipeMode : NAMED_PIPE_MODE -> DWORD
# nMaxInstances : DWORD -> DWORD
# nOutBufferSize : DWORD -> DWORD
# nInBufferSize : DWORD -> DWORD
# nDefaultTimeOut : DWORD -> DWORD
# lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。

CreateNamedPipeW

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