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ConnectNamedPipe

関数
名前付きパイプサーバーがクライアント接続を待ち受ける。
DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows 2000 以降

シグネチャ

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

BOOL ConnectNamedPipe(
    HANDLE hNamedPipe,
    OVERLAPPED* lpOverlapped   // optional
);

パラメーター

名前方向
hNamedPipeHANDLEin
lpOverlappedOVERLAPPED*inoutoptional

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL ConnectNamedPipe(
    HANDLE hNamedPipe,
    OVERLAPPED* lpOverlapped   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool ConnectNamedPipe(
    IntPtr hNamedPipe,   // HANDLE
    IntPtr lpOverlapped   // OVERLAPPED* optional, in/out
);
<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ConnectNamedPipe(
    hNamedPipe As IntPtr,   ' HANDLE
    lpOverlapped As IntPtr   ' OVERLAPPED* optional, in/out
) As Boolean
End Function
' hNamedPipe : HANDLE
' lpOverlapped : OVERLAPPED* optional, in/out
Declare PtrSafe Function ConnectNamedPipe Lib "kernel32" ( _
    ByVal hNamedPipe As LongPtr, _
    ByVal lpOverlapped 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

ConnectNamedPipe = ctypes.windll.kernel32.ConnectNamedPipe
ConnectNamedPipe.restype = wintypes.BOOL
ConnectNamedPipe.argtypes = [
    wintypes.HANDLE,  # hNamedPipe : HANDLE
    ctypes.c_void_p,  # lpOverlapped : OVERLAPPED* optional, in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
ConnectNamedPipe = Fiddle::Function.new(
  lib['ConnectNamedPipe'],
  [
    Fiddle::TYPE_VOIDP,  # hNamedPipe : HANDLE
    Fiddle::TYPE_VOIDP,  # lpOverlapped : OVERLAPPED* optional, in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "kernel32")]
extern "system" {
    fn ConnectNamedPipe(
        hNamedPipe: *mut core::ffi::c_void,  // HANDLE
        lpOverlapped: *mut OVERLAPPED  // OVERLAPPED* optional, in/out
    ) -> 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 ConnectNamedPipe(IntPtr hNamedPipe, IntPtr lpOverlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_ConnectNamedPipe' -Namespace Win32 -PassThru
# $api::ConnectNamedPipe(hNamedPipe, lpOverlapped)
#uselib "KERNEL32.dll"
#func global ConnectNamedPipe "ConnectNamedPipe" sptr, sptr
; ConnectNamedPipe hNamedPipe, varptr(lpOverlapped)   ; 戻り値は stat
; hNamedPipe : HANDLE -> "sptr"
; lpOverlapped : OVERLAPPED* optional, in/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。
出力引数:
#uselib "KERNEL32.dll"
#cfunc global ConnectNamedPipe "ConnectNamedPipe" sptr, var
; res = ConnectNamedPipe(hNamedPipe, lpOverlapped)
; hNamedPipe : HANDLE -> "sptr"
; lpOverlapped : OVERLAPPED* optional, in/out -> "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。
出力引数:
; BOOL ConnectNamedPipe(HANDLE hNamedPipe, OVERLAPPED* lpOverlapped)
#uselib "KERNEL32.dll"
#cfunc global ConnectNamedPipe "ConnectNamedPipe" intptr, var
; res = ConnectNamedPipe(hNamedPipe, lpOverlapped)
; hNamedPipe : HANDLE -> "intptr"
; lpOverlapped : OVERLAPPED* optional, in/out -> "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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procConnectNamedPipe = kernel32.NewProc("ConnectNamedPipe")
)

// hNamedPipe (HANDLE), lpOverlapped (OVERLAPPED* optional, in/out)
r1, _, err := procConnectNamedPipe.Call(
	uintptr(hNamedPipe),
	uintptr(lpOverlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function ConnectNamedPipe(
  hNamedPipe: THandle;   // HANDLE
  lpOverlapped: Pointer   // OVERLAPPED* optional, in/out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'ConnectNamedPipe';
result := DllCall("KERNEL32\ConnectNamedPipe"
    , "Ptr", hNamedPipe   ; HANDLE
    , "Ptr", lpOverlapped   ; OVERLAPPED* optional, in/out
    , "Int")   ; return: BOOL
●ConnectNamedPipe(hNamedPipe, lpOverlapped) = DLL("KERNEL32.dll", "bool ConnectNamedPipe(void*, void*)")
# 呼び出し: ConnectNamedPipe(hNamedPipe, lpOverlapped)
# hNamedPipe : HANDLE -> "void*"
# lpOverlapped : OVERLAPPED* optional, in/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)。