ホーム › Networking.WinSock › ProcessSocketNotifications

ProcessSocketNotifications

関数

完了ポート経由でソケット通知を登録し処理する。

DLLWS2_32.dll呼出規約winapi

シグネチャ

// WS2_32.dll
#include <windows.h>

DWORD ProcessSocketNotifications(
    HANDLE completionPort,
    DWORD registrationCount,
    SOCK_NOTIFY_REGISTRATION* registrationInfos,   // optional
    DWORD timeoutMs,
    DWORD completionCount,
    OVERLAPPED_ENTRY* completionPortEntries,   // optional
    DWORD* receivedEntryCount   // optional
);

パラメーター

名前	型	方向	説明
completionPort	HANDLE	in	通知を関連付ける入出力完了ポートのハンドル。
registrationCount	DWORD	in	registrationInfos配列内の登録要求数。
registrationInfos	SOCK_NOTIFY_REGISTRATION*	inoutoptional	登録または更新するソケット通知設定の配列SOCK_NOTIFY_REGISTRATIONへのポインタ。
timeoutMs	DWORD	in	完了通知を待つタイムアウトをミリ秒で指定する。
completionCount	DWORD	in	completionPortEntries配列が受け取れる最大エントリ数。
completionPortEntries	OVERLAPPED_ENTRY*	outoptional	取得した完了エントリを受け取るOVERLAPPED_ENTRY配列へのポインタ。
receivedEntryCount	DWORD*	outoptional	実際に受け取った完了エントリ数を受け取るポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

// WS2_32.dll
#include <windows.h>

DWORD ProcessSocketNotifications(
    HANDLE completionPort,
    DWORD registrationCount,
    SOCK_NOTIFY_REGISTRATION* registrationInfos,   // optional
    DWORD timeoutMs,
    DWORD completionCount,
    OVERLAPPED_ENTRY* completionPortEntries,   // optional
    DWORD* receivedEntryCount   // optional
);

[DllImport("WS2_32.dll", ExactSpelling = true)]
static extern uint ProcessSocketNotifications(
    IntPtr completionPort,   // HANDLE
    uint registrationCount,   // DWORD
    IntPtr registrationInfos,   // SOCK_NOTIFY_REGISTRATION* optional, in/out
    uint timeoutMs,   // DWORD
    uint completionCount,   // DWORD
    IntPtr completionPortEntries,   // OVERLAPPED_ENTRY* optional, out
    IntPtr receivedEntryCount   // DWORD* optional, out
);

<DllImport("WS2_32.dll", ExactSpelling:=True)>
Public Shared Function ProcessSocketNotifications(
    completionPort As IntPtr,   ' HANDLE
    registrationCount As UInteger,   ' DWORD
    registrationInfos As IntPtr,   ' SOCK_NOTIFY_REGISTRATION* optional, in/out
    timeoutMs As UInteger,   ' DWORD
    completionCount As UInteger,   ' DWORD
    completionPortEntries As IntPtr,   ' OVERLAPPED_ENTRY* optional, out
    receivedEntryCount As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' completionPort : HANDLE
' registrationCount : DWORD
' registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out
' timeoutMs : DWORD
' completionCount : DWORD
' completionPortEntries : OVERLAPPED_ENTRY* optional, out
' receivedEntryCount : DWORD* optional, out
Declare PtrSafe Function ProcessSocketNotifications Lib "ws2_32" ( _
    ByVal completionPort As LongPtr, _
    ByVal registrationCount As Long, _
    ByVal registrationInfos As LongPtr, _
    ByVal timeoutMs As Long, _
    ByVal completionCount As Long, _
    ByVal completionPortEntries As LongPtr, _
    ByVal receivedEntryCount 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

ProcessSocketNotifications = ctypes.windll.ws2_32.ProcessSocketNotifications
ProcessSocketNotifications.restype = wintypes.DWORD
ProcessSocketNotifications.argtypes = [
    wintypes.HANDLE,  # completionPort : HANDLE
    wintypes.DWORD,  # registrationCount : DWORD
    ctypes.c_void_p,  # registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out
    wintypes.DWORD,  # timeoutMs : DWORD
    wintypes.DWORD,  # completionCount : DWORD
    ctypes.c_void_p,  # completionPortEntries : OVERLAPPED_ENTRY* optional, out
    ctypes.POINTER(wintypes.DWORD),  # receivedEntryCount : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
ProcessSocketNotifications = Fiddle::Function.new(
  lib['ProcessSocketNotifications'],
  [
    Fiddle::TYPE_VOIDP,  # completionPort : HANDLE
    -Fiddle::TYPE_INT,  # registrationCount : DWORD
    Fiddle::TYPE_VOIDP,  # registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out
    -Fiddle::TYPE_INT,  # timeoutMs : DWORD
    -Fiddle::TYPE_INT,  # completionCount : DWORD
    Fiddle::TYPE_VOIDP,  # completionPortEntries : OVERLAPPED_ENTRY* optional, out
    Fiddle::TYPE_VOIDP,  # receivedEntryCount : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn ProcessSocketNotifications(
        completionPort: *mut core::ffi::c_void,  // HANDLE
        registrationCount: u32,  // DWORD
        registrationInfos: *mut SOCK_NOTIFY_REGISTRATION,  // SOCK_NOTIFY_REGISTRATION* optional, in/out
        timeoutMs: u32,  // DWORD
        completionCount: u32,  // DWORD
        completionPortEntries: *mut OVERLAPPED_ENTRY,  // OVERLAPPED_ENTRY* optional, out
        receivedEntryCount: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll")]
public static extern uint ProcessSocketNotifications(IntPtr completionPort, uint registrationCount, IntPtr registrationInfos, uint timeoutMs, uint completionCount, IntPtr completionPortEntries, IntPtr receivedEntryCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_ProcessSocketNotifications' -Namespace Win32 -PassThru
# $api::ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)

#uselib "WS2_32.dll"
#func global ProcessSocketNotifications "ProcessSocketNotifications" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; ProcessSocketNotifications completionPort, registrationCount, varptr(registrationInfos), timeoutMs, completionCount, varptr(completionPortEntries), varptr(receivedEntryCount)   ; 戻り値は stat
; completionPort : HANDLE -> "sptr"
; registrationCount : DWORD -> "sptr"
; registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> "sptr"
; timeoutMs : DWORD -> "sptr"
; completionCount : DWORD -> "sptr"
; completionPortEntries : OVERLAPPED_ENTRY* optional, out -> "sptr"
; receivedEntryCount : DWORD* optional, 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 "WS2_32.dll"
#cfunc global ProcessSocketNotifications "ProcessSocketNotifications" sptr, int, var, int, int, var, var
; res = ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)
; completionPort : HANDLE -> "sptr"
; registrationCount : DWORD -> "int"
; registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> "var"
; timeoutMs : DWORD -> "int"
; completionCount : DWORD -> "int"
; completionPortEntries : OVERLAPPED_ENTRY* optional, out -> "var"
; receivedEntryCount : DWORD* optional, 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 "WS2_32.dll"
#cfunc global ProcessSocketNotifications "ProcessSocketNotifications" sptr, int, sptr, int, int, sptr, sptr
; res = ProcessSocketNotifications(completionPort, registrationCount, varptr(registrationInfos), timeoutMs, completionCount, varptr(completionPortEntries), varptr(receivedEntryCount))
; completionPort : HANDLE -> "sptr"
; registrationCount : DWORD -> "int"
; registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> "sptr"
; timeoutMs : DWORD -> "int"
; completionCount : DWORD -> "int"
; completionPortEntries : OVERLAPPED_ENTRY* optional, out -> "sptr"
; receivedEntryCount : DWORD* optional, 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:

; DWORD ProcessSocketNotifications(HANDLE completionPort, DWORD registrationCount, SOCK_NOTIFY_REGISTRATION* registrationInfos, DWORD timeoutMs, DWORD completionCount, OVERLAPPED_ENTRY* completionPortEntries, DWORD* receivedEntryCount)
#uselib "WS2_32.dll"
#cfunc global ProcessSocketNotifications "ProcessSocketNotifications" intptr, int, var, int, int, var, var
; res = ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)
; completionPort : HANDLE -> "intptr"
; registrationCount : DWORD -> "int"
; registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> "var"
; timeoutMs : DWORD -> "int"
; completionCount : DWORD -> "int"
; completionPortEntries : OVERLAPPED_ENTRY* optional, out -> "var"
; receivedEntryCount : DWORD* optional, 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。; DWORD ProcessSocketNotifications(HANDLE completionPort, DWORD registrationCount, SOCK_NOTIFY_REGISTRATION* registrationInfos, DWORD timeoutMs, DWORD completionCount, OVERLAPPED_ENTRY* completionPortEntries, DWORD* receivedEntryCount)
#uselib "WS2_32.dll"
#cfunc global ProcessSocketNotifications "ProcessSocketNotifications" intptr, int, intptr, int, int, intptr, intptr
; res = ProcessSocketNotifications(completionPort, registrationCount, varptr(registrationInfos), timeoutMs, completionCount, varptr(completionPortEntries), varptr(receivedEntryCount))
; completionPort : HANDLE -> "intptr"
; registrationCount : DWORD -> "int"
; registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> "intptr"
; timeoutMs : DWORD -> "int"
; completionCount : DWORD -> "int"
; completionPortEntries : OVERLAPPED_ENTRY* optional, out -> "intptr"
; receivedEntryCount : DWORD* optional, 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 (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	procProcessSocketNotifications = ws2_32.NewProc("ProcessSocketNotifications")
)

// completionPort (HANDLE), registrationCount (DWORD), registrationInfos (SOCK_NOTIFY_REGISTRATION* optional, in/out), timeoutMs (DWORD), completionCount (DWORD), completionPortEntries (OVERLAPPED_ENTRY* optional, out), receivedEntryCount (DWORD* optional, out)
r1, _, err := procProcessSocketNotifications.Call(
	uintptr(completionPort),
	uintptr(registrationCount),
	uintptr(registrationInfos),
	uintptr(timeoutMs),
	uintptr(completionCount),
	uintptr(completionPortEntries),
	uintptr(receivedEntryCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ProcessSocketNotifications(
  completionPort: THandle;   // HANDLE
  registrationCount: DWORD;   // DWORD
  registrationInfos: Pointer;   // SOCK_NOTIFY_REGISTRATION* optional, in/out
  timeoutMs: DWORD;   // DWORD
  completionCount: DWORD;   // DWORD
  completionPortEntries: Pointer;   // OVERLAPPED_ENTRY* optional, out
  receivedEntryCount: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'WS2_32.dll' name 'ProcessSocketNotifications';

result := DllCall("WS2_32\ProcessSocketNotifications"
    , "Ptr", completionPort   ; HANDLE
    , "UInt", registrationCount   ; DWORD
    , "Ptr", registrationInfos   ; SOCK_NOTIFY_REGISTRATION* optional, in/out
    , "UInt", timeoutMs   ; DWORD
    , "UInt", completionCount   ; DWORD
    , "Ptr", completionPortEntries   ; OVERLAPPED_ENTRY* optional, out
    , "Ptr", receivedEntryCount   ; DWORD* optional, out
    , "UInt")   ; return: DWORD

●ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount) = DLL("WS2_32.dll", "dword ProcessSocketNotifications(void*, dword, void*, dword, dword, void*, void*)")
# 呼び出し: ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)
# completionPort : HANDLE -> "void*"
# registrationCount : DWORD -> "dword"
# registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> "void*"
# timeoutMs : DWORD -> "dword"
# completionCount : DWORD -> "dword"
# completionPortEntries : OVERLAPPED_ENTRY* optional, out -> "void*"
# receivedEntryCount : DWORD* optional, 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)。

const std = @import("std");

extern "ws2_32" fn ProcessSocketNotifications(
    completionPort: ?*anyopaque, // HANDLE
    registrationCount: u32, // DWORD
    registrationInfos: [*c]SOCK_NOTIFY_REGISTRATION, // SOCK_NOTIFY_REGISTRATION* optional, in/out
    timeoutMs: u32, // DWORD
    completionCount: u32, // DWORD
    completionPortEntries: [*c]OVERLAPPED_ENTRY, // OVERLAPPED_ENTRY* optional, out
    receivedEntryCount: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc ProcessSocketNotifications(
    completionPort: pointer,  # HANDLE
    registrationCount: uint32,  # DWORD
    registrationInfos: ptr SOCK_NOTIFY_REGISTRATION,  # SOCK_NOTIFY_REGISTRATION* optional, in/out
    timeoutMs: uint32,  # DWORD
    completionCount: uint32,  # DWORD
    completionPortEntries: ptr OVERLAPPED_ENTRY,  # OVERLAPPED_ENTRY* optional, out
    receivedEntryCount: ptr uint32  # DWORD* optional, out
): uint32 {.importc: "ProcessSocketNotifications", stdcall, dynlib: "WS2_32.dll".}

pragma(lib, "ws2_32");
extern(Windows)
uint ProcessSocketNotifications(
    void* completionPort,   // HANDLE
    uint registrationCount,   // DWORD
    SOCK_NOTIFY_REGISTRATION* registrationInfos,   // SOCK_NOTIFY_REGISTRATION* optional, in/out
    uint timeoutMs,   // DWORD
    uint completionCount,   // DWORD
    OVERLAPPED_ENTRY* completionPortEntries,   // OVERLAPPED_ENTRY* optional, out
    uint* receivedEntryCount   // DWORD* optional, out
);

ccall((:ProcessSocketNotifications, "WS2_32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, Ptr{SOCK_NOTIFY_REGISTRATION}, UInt32, UInt32, Ptr{OVERLAPPED_ENTRY}, Ptr{UInt32}),
      completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)
# completionPort : HANDLE -> Ptr{Cvoid}
# registrationCount : DWORD -> UInt32
# registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> Ptr{SOCK_NOTIFY_REGISTRATION}
# timeoutMs : DWORD -> UInt32
# completionCount : DWORD -> UInt32
# completionPortEntries : OVERLAPPED_ENTRY* optional, out -> Ptr{OVERLAPPED_ENTRY}
# receivedEntryCount : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t ProcessSocketNotifications(
    void* completionPort,
    uint32_t registrationCount,
    void* registrationInfos,
    uint32_t timeoutMs,
    uint32_t completionCount,
    void* completionPortEntries,
    uint32_t* receivedEntryCount);
]]
local ws2_32 = ffi.load("ws2_32")
-- ws2_32.ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)
-- completionPort : HANDLE
-- registrationCount : DWORD
-- registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out
-- timeoutMs : DWORD
-- completionCount : DWORD
-- completionPortEntries : OVERLAPPED_ENTRY* optional, out
-- receivedEntryCount : DWORD* optional, out
-- 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('WS2_32.dll');
const ProcessSocketNotifications = lib.func('__stdcall', 'ProcessSocketNotifications', 'uint32_t', ['void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t', 'void *', 'uint32_t *']);
// ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)
// completionPort : HANDLE -> 'void *'
// registrationCount : DWORD -> 'uint32_t'
// registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> 'void *'
// timeoutMs : DWORD -> 'uint32_t'
// completionCount : DWORD -> 'uint32_t'
// completionPortEntries : OVERLAPPED_ENTRY* optional, out -> 'void *'
// receivedEntryCount : DWORD* optional, out -> '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("WS2_32.dll", {
  ProcessSocketNotifications: { parameters: ["pointer", "u32", "pointer", "u32", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount)
// completionPort : HANDLE -> "pointer"
// registrationCount : DWORD -> "u32"
// registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> "pointer"
// timeoutMs : DWORD -> "u32"
// completionCount : DWORD -> "u32"
// completionPortEntries : OVERLAPPED_ENTRY* optional, out -> "pointer"
// receivedEntryCount : DWORD* optional, out -> "pointer"
// 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 ProcessSocketNotifications(
    void* completionPort,
    uint32_t registrationCount,
    void* registrationInfos,
    uint32_t timeoutMs,
    uint32_t completionCount,
    void* completionPortEntries,
    uint32_t* receivedEntryCount);
C, "WS2_32.dll");
// $ffi->ProcessSocketNotifications(completionPort, registrationCount, registrationInfos, timeoutMs, completionCount, completionPortEntries, receivedEntryCount);
// completionPort : HANDLE
// registrationCount : DWORD
// registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out
// timeoutMs : DWORD
// completionCount : DWORD
// completionPortEntries : OVERLAPPED_ENTRY* optional, out
// receivedEntryCount : DWORD* optional, out
// 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 Ws2_32 extends StdCallLibrary {
    Ws2_32 INSTANCE = Native.load("ws2_32", Ws2_32.class);
    int ProcessSocketNotifications(
        Pointer completionPort,   // HANDLE
        int registrationCount,   // DWORD
        Pointer registrationInfos,   // SOCK_NOTIFY_REGISTRATION* optional, in/out
        int timeoutMs,   // DWORD
        int completionCount,   // DWORD
        Pointer completionPortEntries,   // OVERLAPPED_ENTRY* optional, out
        IntByReference receivedEntryCount   // DWORD* optional, out
    );
}

@[Link("ws2_32")]
lib LibWS2_32
  fun ProcessSocketNotifications = ProcessSocketNotifications(
    completionPort : Void*,   # HANDLE
    registrationCount : UInt32,   # DWORD
    registrationInfos : SOCK_NOTIFY_REGISTRATION*,   # SOCK_NOTIFY_REGISTRATION* optional, in/out
    timeoutMs : UInt32,   # DWORD
    completionCount : UInt32,   # DWORD
    completionPortEntries : OVERLAPPED_ENTRY*,   # OVERLAPPED_ENTRY* optional, out
    receivedEntryCount : UInt32*   # DWORD* optional, out
  ) : 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 ProcessSocketNotificationsNative = Uint32 Function(Pointer<Void>, Uint32, Pointer<Void>, Uint32, Uint32, Pointer<Void>, Pointer<Uint32>);
typedef ProcessSocketNotificationsDart = int Function(Pointer<Void>, int, Pointer<Void>, int, int, Pointer<Void>, Pointer<Uint32>);
final ProcessSocketNotifications = DynamicLibrary.open('WS2_32.dll')
    .lookupFunction<ProcessSocketNotificationsNative, ProcessSocketNotificationsDart>('ProcessSocketNotifications');
// completionPort : HANDLE -> Pointer<Void>
// registrationCount : DWORD -> Uint32
// registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> Pointer<Void>
// timeoutMs : DWORD -> Uint32
// completionCount : DWORD -> Uint32
// completionPortEntries : OVERLAPPED_ENTRY* optional, out -> Pointer<Void>
// receivedEntryCount : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ProcessSocketNotifications(
  completionPort: THandle;   // HANDLE
  registrationCount: DWORD;   // DWORD
  registrationInfos: Pointer;   // SOCK_NOTIFY_REGISTRATION* optional, in/out
  timeoutMs: DWORD;   // DWORD
  completionCount: DWORD;   // DWORD
  completionPortEntries: Pointer;   // OVERLAPPED_ENTRY* optional, out
  receivedEntryCount: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'WS2_32.dll' name 'ProcessSocketNotifications';

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

foreign import stdcall safe "ProcessSocketNotifications"
  c_ProcessSocketNotifications :: Ptr () -> Word32 -> Ptr () -> Word32 -> Word32 -> Ptr () -> Ptr Word32 -> IO Word32
-- completionPort : HANDLE -> Ptr ()
-- registrationCount : DWORD -> Word32
-- registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> Ptr ()
-- timeoutMs : DWORD -> Word32
-- completionCount : DWORD -> Word32
-- completionPortEntries : OVERLAPPED_ENTRY* optional, out -> Ptr ()
-- receivedEntryCount : DWORD* optional, out -> Ptr 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 processsocketnotifications =
  foreign "ProcessSocketNotifications"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> returning uint32_t)
(* completionPort : HANDLE -> (ptr void) *)
(* registrationCount : DWORD -> uint32_t *)
(* registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> (ptr void) *)
(* timeoutMs : DWORD -> uint32_t *)
(* completionCount : DWORD -> uint32_t *)
(* completionPortEntries : OVERLAPPED_ENTRY* optional, out -> (ptr void) *)
(* receivedEntryCount : DWORD* optional, out -> (ptr 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 ws2_32 (t "WS2_32.dll"))
(cffi:use-foreign-library ws2_32)

(cffi:defcfun ("ProcessSocketNotifications" process-socket-notifications :convention :stdcall) :uint32
  (completion-port :pointer)   ; HANDLE
  (registration-count :uint32)   ; DWORD
  (registration-infos :pointer)   ; SOCK_NOTIFY_REGISTRATION* optional, in/out
  (timeout-ms :uint32)   ; DWORD
  (completion-count :uint32)   ; DWORD
  (completion-port-entries :pointer)   ; OVERLAPPED_ENTRY* optional, out
  (received-entry-count :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ProcessSocketNotifications = Win32::API::More->new('WS2_32',
    'DWORD ProcessSocketNotifications(HANDLE completionPort, DWORD registrationCount, LPVOID registrationInfos, DWORD timeoutMs, DWORD completionCount, LPVOID completionPortEntries, LPVOID receivedEntryCount)');
# my $ret = $ProcessSocketNotifications->Call($completionPort, $registrationCount, $registrationInfos, $timeoutMs, $completionCount, $completionPortEntries, $receivedEntryCount);
# completionPort : HANDLE -> HANDLE
# registrationCount : DWORD -> DWORD
# registrationInfos : SOCK_NOTIFY_REGISTRATION* optional, in/out -> LPVOID
# timeoutMs : DWORD -> DWORD
# completionCount : DWORD -> DWORD
# completionPortEntries : OVERLAPPED_ENTRY* optional, out -> LPVOID
# receivedEntryCount : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

ProcessSocketNotifications

シグネチャ

パラメーター

各言語での呼び出し定義

関連項目