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GetNamedPipeClientProcessId

関数

名前付きパイプクライアントのプロセスIDを取得する。

DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows Vista 以降

シグネチャ

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

BOOL GetNamedPipeClientProcessId(
    HANDLE Pipe,
    DWORD* ClientProcessId
);

パラメーター

名前	型	方向
Pipe	HANDLE	in
ClientProcessId	DWORD*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GetNamedPipeClientProcessId(
    HANDLE Pipe,
    DWORD* ClientProcessId
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetNamedPipeClientProcessId(
    IntPtr Pipe,   // HANDLE
    out uint ClientProcessId   // DWORD* out
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetNamedPipeClientProcessId(
    Pipe As IntPtr,   ' HANDLE
    <Out> ByRef ClientProcessId As UInteger   ' DWORD* out
) As Boolean
End Function

' Pipe : HANDLE
' ClientProcessId : DWORD* out
Declare PtrSafe Function GetNamedPipeClientProcessId Lib "kernel32" ( _
    ByVal Pipe As LongPtr, _
    ByRef ClientProcessId 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

GetNamedPipeClientProcessId = ctypes.windll.kernel32.GetNamedPipeClientProcessId
GetNamedPipeClientProcessId.restype = wintypes.BOOL
GetNamedPipeClientProcessId.argtypes = [
    wintypes.HANDLE,  # Pipe : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # ClientProcessId : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetNamedPipeClientProcessId = Fiddle::Function.new(
  lib['GetNamedPipeClientProcessId'],
  [
    Fiddle::TYPE_VOIDP,  # Pipe : HANDLE
    Fiddle::TYPE_VOIDP,  # ClientProcessId : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetNamedPipeClientProcessId(
        Pipe: *mut core::ffi::c_void,  // HANDLE
        ClientProcessId: *mut u32  // DWORD* 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 GetNamedPipeClientProcessId(IntPtr Pipe, out uint ClientProcessId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetNamedPipeClientProcessId' -Namespace Win32 -PassThru
# $api::GetNamedPipeClientProcessId(Pipe, ClientProcessId)

#uselib "KERNEL32.dll"
#func global GetNamedPipeClientProcessId "GetNamedPipeClientProcessId" sptr, sptr
; GetNamedPipeClientProcessId Pipe, varptr(ClientProcessId)   ; 戻り値は stat
; Pipe : HANDLE -> "sptr"
; ClientProcessId : 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。

出力引数:

#uselib "KERNEL32.dll"
#cfunc global GetNamedPipeClientProcessId "GetNamedPipeClientProcessId" sptr, var
; res = GetNamedPipeClientProcessId(Pipe, ClientProcessId)
; Pipe : HANDLE -> "sptr"
; ClientProcessId : DWORD* 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。#uselib "KERNEL32.dll"
#cfunc global GetNamedPipeClientProcessId "GetNamedPipeClientProcessId" sptr, sptr
; res = GetNamedPipeClientProcessId(Pipe, varptr(ClientProcessId))
; Pipe : HANDLE -> "sptr"
; ClientProcessId : DWORD* out -> "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:

; BOOL GetNamedPipeClientProcessId(HANDLE Pipe, DWORD* ClientProcessId)
#uselib "KERNEL32.dll"
#cfunc global GetNamedPipeClientProcessId "GetNamedPipeClientProcessId" intptr, var
; res = GetNamedPipeClientProcessId(Pipe, ClientProcessId)
; Pipe : HANDLE -> "intptr"
; ClientProcessId : DWORD* 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。; BOOL GetNamedPipeClientProcessId(HANDLE Pipe, DWORD* ClientProcessId)
#uselib "KERNEL32.dll"
#cfunc global GetNamedPipeClientProcessId "GetNamedPipeClientProcessId" intptr, intptr
; res = GetNamedPipeClientProcessId(Pipe, varptr(ClientProcessId))
; Pipe : HANDLE -> "intptr"
; ClientProcessId : DWORD* out -> "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")
	procGetNamedPipeClientProcessId = kernel32.NewProc("GetNamedPipeClientProcessId")
)

// Pipe (HANDLE), ClientProcessId (DWORD* out)
r1, _, err := procGetNamedPipeClientProcessId.Call(
	uintptr(Pipe),
	uintptr(ClientProcessId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetNamedPipeClientProcessId(
  Pipe: THandle;   // HANDLE
  ClientProcessId: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetNamedPipeClientProcessId';

result := DllCall("KERNEL32\GetNamedPipeClientProcessId"
    , "Ptr", Pipe   ; HANDLE
    , "Ptr", ClientProcessId   ; DWORD* out
    , "Int")   ; return: BOOL

●GetNamedPipeClientProcessId(Pipe, ClientProcessId) = DLL("KERNEL32.dll", "bool GetNamedPipeClientProcessId(void*, void*)")
# 呼び出し: GetNamedPipeClientProcessId(Pipe, ClientProcessId)
# Pipe : HANDLE -> "void*"
# ClientProcessId : 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)。