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
lpName	LPCWSTR	in
dwOpenMode	FILE_FLAGS_AND_ATTRIBUTES	in
dwPipeMode	NAMED_PIPE_MODE	in
nMaxInstances	DWORD	in
nOutBufferSize	DWORD	in
nInBufferSize	DWORD	in
nDefaultTimeOut	DWORD	in
lpSecurityAttributes	SECURITY_ATTRIBUTES*	inoptional

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。