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GetClusterNotify
関数通知ポートから次のクラスター通知イベントを取得する。
シグネチャ
// CLUSAPI.dll
#include <windows.h>
DWORD GetClusterNotify(
HCHANGE hChange,
UINT_PTR* lpdwNotifyKey,
DWORD* lpdwFilterType,
LPWSTR lpszName,
DWORD* lpcchName,
DWORD dwMilliseconds
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hChange | HCHANGE | in | CreateClusterNotifyPortで作成した通知ポートハンドル。 |
| lpdwNotifyKey | UINT_PTR* | out | 通知を発生させた登録に紐付くユーザー定義キーを受け取る出力。 |
| lpdwFilterType | DWORD* | out | 発生したイベントの種別(CLUSTER_CHANGE_*)を受け取る出力。 |
| lpszName | LPWSTR | out | イベント対象オブジェクト名を受け取るバッファへのポインタ。 |
| lpcchName | DWORD* | inout | 入出力で名前バッファの容量と文字数を受け渡すポインタ。 |
| dwMilliseconds | DWORD | in | 通知到着を待機する最大時間(ミリ秒)。INFINITEで無期限待機。 |
戻り値の型: DWORD
各言語での呼び出し定義
// CLUSAPI.dll
#include <windows.h>
DWORD GetClusterNotify(
HCHANGE hChange,
UINT_PTR* lpdwNotifyKey,
DWORD* lpdwFilterType,
LPWSTR lpszName,
DWORD* lpcchName,
DWORD dwMilliseconds
);[DllImport("CLUSAPI.dll", ExactSpelling = true)]
static extern uint GetClusterNotify(
IntPtr hChange, // HCHANGE
out UIntPtr lpdwNotifyKey, // UINT_PTR* out
out uint lpdwFilterType, // DWORD* out
[MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszName, // LPWSTR out
ref uint lpcchName, // DWORD* in/out
uint dwMilliseconds // DWORD
);<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function GetClusterNotify(
hChange As IntPtr, ' HCHANGE
<Out> ByRef lpdwNotifyKey As UIntPtr, ' UINT_PTR* out
<Out> ByRef lpdwFilterType As UInteger, ' DWORD* out
<MarshalAs(UnmanagedType.LPWStr)> lpszName As System.Text.StringBuilder, ' LPWSTR out
ByRef lpcchName As UInteger, ' DWORD* in/out
dwMilliseconds As UInteger ' DWORD
) As UInteger
End Function' hChange : HCHANGE
' lpdwNotifyKey : UINT_PTR* out
' lpdwFilterType : DWORD* out
' lpszName : LPWSTR out
' lpcchName : DWORD* in/out
' dwMilliseconds : DWORD
Declare PtrSafe Function GetClusterNotify Lib "clusapi" ( _
ByVal hChange As LongPtr, _
ByRef lpdwNotifyKey As LongPtr, _
ByRef lpdwFilterType As Long, _
ByVal lpszName As LongPtr, _
ByRef lpcchName As Long, _
ByVal dwMilliseconds 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
GetClusterNotify = ctypes.windll.clusapi.GetClusterNotify
GetClusterNotify.restype = wintypes.DWORD
GetClusterNotify.argtypes = [
ctypes.c_ssize_t, # hChange : HCHANGE
ctypes.POINTER(ctypes.c_size_t), # lpdwNotifyKey : UINT_PTR* out
ctypes.POINTER(wintypes.DWORD), # lpdwFilterType : DWORD* out
wintypes.LPWSTR, # lpszName : LPWSTR out
ctypes.POINTER(wintypes.DWORD), # lpcchName : DWORD* in/out
wintypes.DWORD, # dwMilliseconds : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('CLUSAPI.dll')
GetClusterNotify = Fiddle::Function.new(
lib['GetClusterNotify'],
[
Fiddle::TYPE_INTPTR_T, # hChange : HCHANGE
Fiddle::TYPE_VOIDP, # lpdwNotifyKey : UINT_PTR* out
Fiddle::TYPE_VOIDP, # lpdwFilterType : DWORD* out
Fiddle::TYPE_VOIDP, # lpszName : LPWSTR out
Fiddle::TYPE_VOIDP, # lpcchName : DWORD* in/out
-Fiddle::TYPE_INT, # dwMilliseconds : DWORD
],
-Fiddle::TYPE_INT)#[link(name = "clusapi")]
extern "system" {
fn GetClusterNotify(
hChange: isize, // HCHANGE
lpdwNotifyKey: *mut usize, // UINT_PTR* out
lpdwFilterType: *mut u32, // DWORD* out
lpszName: *mut u16, // LPWSTR out
lpcchName: *mut u32, // DWORD* in/out
dwMilliseconds: u32 // DWORD
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint GetClusterNotify(IntPtr hChange, out UIntPtr lpdwNotifyKey, out uint lpdwFilterType, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszName, ref uint lpcchName, uint dwMilliseconds);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_GetClusterNotify' -Namespace Win32 -PassThru
# $api::GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds)#uselib "CLUSAPI.dll"
#func global GetClusterNotify "GetClusterNotify" sptr, sptr, sptr, sptr, sptr, sptr
; GetClusterNotify hChange, varptr(lpdwNotifyKey), varptr(lpdwFilterType), varptr(lpszName), varptr(lpcchName), dwMilliseconds ; 戻り値は stat
; hChange : HCHANGE -> "sptr"
; lpdwNotifyKey : UINT_PTR* out -> "sptr"
; lpdwFilterType : DWORD* out -> "sptr"
; lpszName : LPWSTR out -> "sptr"
; lpcchName : DWORD* in/out -> "sptr"
; dwMilliseconds : DWORD -> "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 "CLUSAPI.dll" #cfunc global GetClusterNotify "GetClusterNotify" sptr, var, var, var, var, int ; res = GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds) ; hChange : HCHANGE -> "sptr" ; lpdwNotifyKey : UINT_PTR* out -> "var" ; lpdwFilterType : DWORD* out -> "var" ; lpszName : LPWSTR out -> "var" ; lpcchName : DWORD* in/out -> "var" ; dwMilliseconds : DWORD -> "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。#uselib "CLUSAPI.dll" #cfunc global GetClusterNotify "GetClusterNotify" sptr, sptr, sptr, sptr, sptr, int ; res = GetClusterNotify(hChange, varptr(lpdwNotifyKey), varptr(lpdwFilterType), varptr(lpszName), varptr(lpcchName), dwMilliseconds) ; hChange : HCHANGE -> "sptr" ; lpdwNotifyKey : UINT_PTR* out -> "sptr" ; lpdwFilterType : DWORD* out -> "sptr" ; lpszName : LPWSTR out -> "sptr" ; lpcchName : DWORD* in/out -> "sptr" ; dwMilliseconds : DWORD -> "int" ; ※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:
; DWORD GetClusterNotify(HCHANGE hChange, UINT_PTR* lpdwNotifyKey, DWORD* lpdwFilterType, LPWSTR lpszName, DWORD* lpcchName, DWORD dwMilliseconds) #uselib "CLUSAPI.dll" #cfunc global GetClusterNotify "GetClusterNotify" intptr, var, var, var, var, int ; res = GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds) ; hChange : HCHANGE -> "intptr" ; lpdwNotifyKey : UINT_PTR* out -> "var" ; lpdwFilterType : DWORD* out -> "var" ; lpszName : LPWSTR out -> "var" ; lpcchName : DWORD* in/out -> "var" ; dwMilliseconds : DWORD -> "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。; DWORD GetClusterNotify(HCHANGE hChange, UINT_PTR* lpdwNotifyKey, DWORD* lpdwFilterType, LPWSTR lpszName, DWORD* lpcchName, DWORD dwMilliseconds) #uselib "CLUSAPI.dll" #cfunc global GetClusterNotify "GetClusterNotify" intptr, intptr, intptr, intptr, intptr, int ; res = GetClusterNotify(hChange, varptr(lpdwNotifyKey), varptr(lpdwFilterType), varptr(lpszName), varptr(lpcchName), dwMilliseconds) ; hChange : HCHANGE -> "intptr" ; lpdwNotifyKey : UINT_PTR* out -> "intptr" ; lpdwFilterType : DWORD* out -> "intptr" ; lpszName : LPWSTR out -> "intptr" ; lpcchName : DWORD* in/out -> "intptr" ; dwMilliseconds : DWORD -> "int" ; ※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 (
clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
procGetClusterNotify = clusapi.NewProc("GetClusterNotify")
)
// hChange (HCHANGE), lpdwNotifyKey (UINT_PTR* out), lpdwFilterType (DWORD* out), lpszName (LPWSTR out), lpcchName (DWORD* in/out), dwMilliseconds (DWORD)
r1, _, err := procGetClusterNotify.Call(
uintptr(hChange),
uintptr(lpdwNotifyKey),
uintptr(lpdwFilterType),
uintptr(lpszName),
uintptr(lpcchName),
uintptr(dwMilliseconds),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // DWORDfunction GetClusterNotify(
hChange: NativeInt; // HCHANGE
lpdwNotifyKey: Pointer; // UINT_PTR* out
lpdwFilterType: Pointer; // DWORD* out
lpszName: PWideChar; // LPWSTR out
lpcchName: Pointer; // DWORD* in/out
dwMilliseconds: DWORD // DWORD
): DWORD; stdcall;
external 'CLUSAPI.dll' name 'GetClusterNotify';result := DllCall("CLUSAPI\GetClusterNotify"
, "Ptr", hChange ; HCHANGE
, "Ptr", lpdwNotifyKey ; UINT_PTR* out
, "Ptr", lpdwFilterType ; DWORD* out
, "Ptr", lpszName ; LPWSTR out
, "Ptr", lpcchName ; DWORD* in/out
, "UInt", dwMilliseconds ; DWORD
, "UInt") ; return: DWORD●GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds) = DLL("CLUSAPI.dll", "dword GetClusterNotify(int, void*, void*, char*, void*, dword)")
# 呼び出し: GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds)
# hChange : HCHANGE -> "int"
# lpdwNotifyKey : UINT_PTR* out -> "void*"
# lpdwFilterType : DWORD* out -> "void*"
# lpszName : LPWSTR out -> "char*"
# lpcchName : DWORD* in/out -> "void*"
# dwMilliseconds : DWORD -> "dword"
# 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)。const std = @import("std");
extern "clusapi" fn GetClusterNotify(
hChange: isize, // HCHANGE
lpdwNotifyKey: [*c]usize, // UINT_PTR* out
lpdwFilterType: [*c]u32, // DWORD* out
lpszName: [*c]u16, // LPWSTR out
lpcchName: [*c]u32, // DWORD* in/out
dwMilliseconds: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;proc GetClusterNotify(
hChange: int, # HCHANGE
lpdwNotifyKey: ptr uint, # UINT_PTR* out
lpdwFilterType: ptr uint32, # DWORD* out
lpszName: ptr uint16, # LPWSTR out
lpcchName: ptr uint32, # DWORD* in/out
dwMilliseconds: uint32 # DWORD
): uint32 {.importc: "GetClusterNotify", stdcall, dynlib: "CLUSAPI.dll".}pragma(lib, "clusapi");
extern(Windows)
uint GetClusterNotify(
ptrdiff_t hChange, // HCHANGE
size_t* lpdwNotifyKey, // UINT_PTR* out
uint* lpdwFilterType, // DWORD* out
wchar* lpszName, // LPWSTR out
uint* lpcchName, // DWORD* in/out
uint dwMilliseconds // DWORD
);ccall((:GetClusterNotify, "CLUSAPI.dll"), stdcall, UInt32,
(Int, Ptr{Csize_t}, Ptr{UInt32}, Ptr{UInt16}, Ptr{UInt32}, UInt32),
hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds)
# hChange : HCHANGE -> Int
# lpdwNotifyKey : UINT_PTR* out -> Ptr{Csize_t}
# lpdwFilterType : DWORD* out -> Ptr{UInt32}
# lpszName : LPWSTR out -> Ptr{UInt16}
# lpcchName : DWORD* in/out -> Ptr{UInt32}
# dwMilliseconds : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
uint32_t GetClusterNotify(
intptr_t hChange,
uintptr_t* lpdwNotifyKey,
uint32_t* lpdwFilterType,
uint16_t* lpszName,
uint32_t* lpcchName,
uint32_t dwMilliseconds);
]]
local clusapi = ffi.load("clusapi")
-- clusapi.GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds)
-- hChange : HCHANGE
-- lpdwNotifyKey : UINT_PTR* out
-- lpdwFilterType : DWORD* out
-- lpszName : LPWSTR out
-- lpcchName : DWORD* in/out
-- dwMilliseconds : DWORD
-- 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。const koffi = require('koffi');
const lib = koffi.load('CLUSAPI.dll');
const GetClusterNotify = lib.func('__stdcall', 'GetClusterNotify', 'uint32_t', ['intptr_t', 'uintptr_t *', 'uint32_t *', 'uint16_t *', 'uint32_t *', 'uint32_t']);
// GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds)
// hChange : HCHANGE -> 'intptr_t'
// lpdwNotifyKey : UINT_PTR* out -> 'uintptr_t *'
// lpdwFilterType : DWORD* out -> 'uint32_t *'
// lpszName : LPWSTR out -> 'uint16_t *'
// lpcchName : DWORD* in/out -> 'uint32_t *'
// dwMilliseconds : DWORD -> 'uint32_t'
// 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("CLUSAPI.dll", {
GetClusterNotify: { parameters: ["isize", "pointer", "pointer", "buffer", "pointer", "u32"], result: "u32" },
});
// lib.symbols.GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds)
// hChange : HCHANGE -> "isize"
// lpdwNotifyKey : UINT_PTR* out -> "pointer"
// lpdwFilterType : DWORD* out -> "pointer"
// lpszName : LPWSTR out -> "buffer"
// lpcchName : DWORD* in/out -> "pointer"
// dwMilliseconds : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
uint32_t GetClusterNotify(
intptr_t hChange,
size_t* lpdwNotifyKey,
uint32_t* lpdwFilterType,
uint16_t* lpszName,
uint32_t* lpcchName,
uint32_t dwMilliseconds);
C, "CLUSAPI.dll");
// $ffi->GetClusterNotify(hChange, lpdwNotifyKey, lpdwFilterType, lpszName, lpcchName, dwMilliseconds);
// hChange : HCHANGE
// lpdwNotifyKey : UINT_PTR* out
// lpdwFilterType : DWORD* out
// lpszName : LPWSTR out
// lpcchName : DWORD* in/out
// dwMilliseconds : DWORD
// 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 Clusapi extends StdCallLibrary {
Clusapi INSTANCE = Native.load("clusapi", Clusapi.class);
int GetClusterNotify(
long hChange, // HCHANGE
LongByReference lpdwNotifyKey, // UINT_PTR* out
IntByReference lpdwFilterType, // DWORD* out
char[] lpszName, // LPWSTR out
IntByReference lpcchName, // DWORD* in/out
int dwMilliseconds // DWORD
);
}@[Link("clusapi")]
lib LibCLUSAPI
fun GetClusterNotify = GetClusterNotify(
hChange : LibC::SSizeT, # HCHANGE
lpdwNotifyKey : LibC::SizeT*, # UINT_PTR* out
lpdwFilterType : UInt32*, # DWORD* out
lpszName : UInt16*, # LPWSTR out
lpcchName : UInt32*, # DWORD* in/out
dwMilliseconds : UInt32 # DWORD
) : UInt32
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 GetClusterNotifyNative = Uint32 Function(IntPtr, Pointer<UintPtr>, Pointer<Uint32>, Pointer<Utf16>, Pointer<Uint32>, Uint32);
typedef GetClusterNotifyDart = int Function(int, Pointer<UintPtr>, Pointer<Uint32>, Pointer<Utf16>, Pointer<Uint32>, int);
final GetClusterNotify = DynamicLibrary.open('CLUSAPI.dll')
.lookupFunction<GetClusterNotifyNative, GetClusterNotifyDart>('GetClusterNotify');
// hChange : HCHANGE -> IntPtr
// lpdwNotifyKey : UINT_PTR* out -> Pointer<UintPtr>
// lpdwFilterType : DWORD* out -> Pointer<Uint32>
// lpszName : LPWSTR out -> Pointer<Utf16>
// lpcchName : DWORD* in/out -> Pointer<Uint32>
// dwMilliseconds : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GetClusterNotify(
hChange: NativeInt; // HCHANGE
lpdwNotifyKey: Pointer; // UINT_PTR* out
lpdwFilterType: Pointer; // DWORD* out
lpszName: PWideChar; // LPWSTR out
lpcchName: Pointer; // DWORD* in/out
dwMilliseconds: DWORD // DWORD
): DWORD; stdcall;
external 'CLUSAPI.dll' name 'GetClusterNotify';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GetClusterNotify"
c_GetClusterNotify :: CIntPtr -> Ptr CUIntPtr -> Ptr Word32 -> CWString -> Ptr Word32 -> Word32 -> IO Word32
-- hChange : HCHANGE -> CIntPtr
-- lpdwNotifyKey : UINT_PTR* out -> Ptr CUIntPtr
-- lpdwFilterType : DWORD* out -> Ptr Word32
-- lpszName : LPWSTR out -> CWString
-- lpcchName : DWORD* in/out -> Ptr Word32
-- dwMilliseconds : DWORD -> Word32
-- 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 getclusternotify =
foreign "GetClusterNotify"
(intptr_t @-> (ptr size_t) @-> (ptr uint32_t) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> uint32_t @-> returning uint32_t)
(* hChange : HCHANGE -> intptr_t *)
(* lpdwNotifyKey : UINT_PTR* out -> (ptr size_t) *)
(* lpdwFilterType : DWORD* out -> (ptr uint32_t) *)
(* lpszName : LPWSTR out -> (ptr uint16_t) *)
(* lpcchName : DWORD* in/out -> (ptr uint32_t) *)
(* dwMilliseconds : DWORD -> uint32_t *)
(* 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 clusapi (t "CLUSAPI.dll"))
(cffi:use-foreign-library clusapi)
(cffi:defcfun ("GetClusterNotify" get-cluster-notify :convention :stdcall) :uint32
(h-change :int64) ; HCHANGE
(lpdw-notify-key :pointer) ; UINT_PTR* out
(lpdw-filter-type :pointer) ; DWORD* out
(lpsz-name :pointer) ; LPWSTR out
(lpcch-name :pointer) ; DWORD* in/out
(dw-milliseconds :uint32)) ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $GetClusterNotify = Win32::API::More->new('CLUSAPI',
'DWORD GetClusterNotify(LPARAM hChange, LPVOID lpdwNotifyKey, LPVOID lpdwFilterType, LPWSTR lpszName, LPVOID lpcchName, DWORD dwMilliseconds)');
# my $ret = $GetClusterNotify->Call($hChange, $lpdwNotifyKey, $lpdwFilterType, $lpszName, $lpcchName, $dwMilliseconds);
# hChange : HCHANGE -> LPARAM
# lpdwNotifyKey : UINT_PTR* out -> LPVOID
# lpdwFilterType : DWORD* out -> LPVOID
# lpszName : LPWSTR out -> LPWSTR
# lpcchName : DWORD* in/out -> LPVOID
# dwMilliseconds : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。