RpcServerListen

// RPCRT4.dll
#include <windows.h>

RPC_STATUS RpcServerListen(
    DWORD MinimumCallThreads,
    DWORD MaxCalls,
    DWORD DontWait
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function RpcServerListen(
    MinimumCallThreads As UInteger,   ' DWORD
    MaxCalls As UInteger,   ' DWORD
    DontWait As UInteger   ' DWORD
) As Integer
End Function

' MinimumCallThreads : DWORD
' MaxCalls : DWORD
' DontWait : DWORD
Declare PtrSafe Function RpcServerListen Lib "rpcrt4" ( _
    ByVal MinimumCallThreads As Long, _
    ByVal MaxCalls As Long, _
    ByVal DontWait 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

RpcServerListen = ctypes.windll.rpcrt4.RpcServerListen
RpcServerListen.restype = ctypes.c_int
RpcServerListen.argtypes = [
    wintypes.DWORD,  # MinimumCallThreads : DWORD
    wintypes.DWORD,  # MaxCalls : DWORD
    wintypes.DWORD,  # DontWait : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcServerListen = Fiddle::Function.new(
  lib['RpcServerListen'],
  [
    -Fiddle::TYPE_INT,  # MinimumCallThreads : DWORD
    -Fiddle::TYPE_INT,  # MaxCalls : DWORD
    -Fiddle::TYPE_INT,  # DontWait : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcServerListen(
        MinimumCallThreads: u32,  // DWORD
        MaxCalls: u32,  // DWORD
        DontWait: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int RpcServerListen(uint MinimumCallThreads, uint MaxCalls, uint DontWait);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcServerListen' -Namespace Win32 -PassThru
# $api::RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)

#uselib "RPCRT4.dll"
#func global RpcServerListen "RpcServerListen" sptr, sptr, sptr
; RpcServerListen MinimumCallThreads, MaxCalls, DontWait   ; 戻り値は stat
; MinimumCallThreads : DWORD -> "sptr"
; MaxCalls : DWORD -> "sptr"
; DontWait : 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。

#uselib "RPCRT4.dll"
#cfunc global RpcServerListen "RpcServerListen" int, int, int
; res = RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
; MinimumCallThreads : DWORD -> "int"
; MaxCalls : DWORD -> "int"
; DontWait : DWORD -> "int"

; RPC_STATUS RpcServerListen(DWORD MinimumCallThreads, DWORD MaxCalls, DWORD DontWait)
#uselib "RPCRT4.dll"
#cfunc global RpcServerListen "RpcServerListen" int, int, int
; res = RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
; MinimumCallThreads : DWORD -> "int"
; MaxCalls : DWORD -> "int"
; DontWait : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procRpcServerListen = rpcrt4.NewProc("RpcServerListen")
)

// MinimumCallThreads (DWORD), MaxCalls (DWORD), DontWait (DWORD)
r1, _, err := procRpcServerListen.Call(
	uintptr(MinimumCallThreads),
	uintptr(MaxCalls),
	uintptr(DontWait),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcServerListen(
  MinimumCallThreads: DWORD;   // DWORD
  MaxCalls: DWORD;   // DWORD
  DontWait: DWORD   // DWORD
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcServerListen';

result := DllCall("RPCRT4\RpcServerListen"
    , "UInt", MinimumCallThreads   ; DWORD
    , "UInt", MaxCalls   ; DWORD
    , "UInt", DontWait   ; DWORD
    , "Int")   ; return: RPC_STATUS

●RpcServerListen(MinimumCallThreads, MaxCalls, DontWait) = DLL("RPCRT4.dll", "int RpcServerListen(dword, dword, dword)")
# 呼び出し: RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
# MinimumCallThreads : DWORD -> "dword"
# MaxCalls : DWORD -> "dword"
# DontWait : 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 "rpcrt4" fn RpcServerListen(
    MinimumCallThreads: u32, // DWORD
    MaxCalls: u32, // DWORD
    DontWait: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc RpcServerListen(
    MinimumCallThreads: uint32,  # DWORD
    MaxCalls: uint32,  # DWORD
    DontWait: uint32  # DWORD
): int32 {.importc: "RpcServerListen", stdcall, dynlib: "RPCRT4.dll".}

pragma(lib, "rpcrt4");
extern(Windows)
int RpcServerListen(
    uint MinimumCallThreads,   // DWORD
    uint MaxCalls,   // DWORD
    uint DontWait   // DWORD
);

ccall((:RpcServerListen, "RPCRT4.dll"), stdcall, Int32,
      (UInt32, UInt32, UInt32),
      MinimumCallThreads, MaxCalls, DontWait)
# MinimumCallThreads : DWORD -> UInt32
# MaxCalls : DWORD -> UInt32
# DontWait : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t RpcServerListen(
    uint32_t MinimumCallThreads,
    uint32_t MaxCalls,
    uint32_t DontWait);
]]
local rpcrt4 = ffi.load("rpcrt4")
-- rpcrt4.RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
-- MinimumCallThreads : DWORD
-- MaxCalls : DWORD
-- DontWait : 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('RPCRT4.dll');
const RpcServerListen = lib.func('__stdcall', 'RpcServerListen', 'int32_t', ['uint32_t', 'uint32_t', 'uint32_t']);
// RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
// MinimumCallThreads : DWORD -> 'uint32_t'
// MaxCalls : DWORD -> 'uint32_t'
// DontWait : 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("RPCRT4.dll", {
  RpcServerListen: { parameters: ["u32", "u32", "u32"], result: "i32" },
});
// lib.symbols.RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
// MinimumCallThreads : DWORD -> "u32"
// MaxCalls : DWORD -> "u32"
// DontWait : 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
int32_t RpcServerListen(
    uint32_t MinimumCallThreads,
    uint32_t MaxCalls,
    uint32_t DontWait);
C, "RPCRT4.dll");
// $ffi->RpcServerListen(MinimumCallThreads, MaxCalls, DontWait);
// MinimumCallThreads : DWORD
// MaxCalls : DWORD
// DontWait : 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 Rpcrt4 extends StdCallLibrary {
    Rpcrt4 INSTANCE = Native.load("rpcrt4", Rpcrt4.class);
    int RpcServerListen(
        int MinimumCallThreads,   // DWORD
        int MaxCalls,   // DWORD
        int DontWait   // DWORD
    );
}

@[Link("rpcrt4")]
lib LibRPCRT4
  fun RpcServerListen = RpcServerListen(
    MinimumCallThreads : UInt32,   # DWORD
    MaxCalls : UInt32,   # DWORD
    DontWait : UInt32   # DWORD
  ) : Int32
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 RpcServerListenNative = Int32 Function(Uint32, Uint32, Uint32);
typedef RpcServerListenDart = int Function(int, int, int);
final RpcServerListen = DynamicLibrary.open('RPCRT4.dll')
    .lookupFunction<RpcServerListenNative, RpcServerListenDart>('RpcServerListen');
// MinimumCallThreads : DWORD -> Uint32
// MaxCalls : DWORD -> Uint32
// DontWait : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RpcServerListen(
  MinimumCallThreads: DWORD;   // DWORD
  MaxCalls: DWORD;   // DWORD
  DontWait: DWORD   // DWORD
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcServerListen';

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

foreign import stdcall safe "RpcServerListen"
  c_RpcServerListen :: Word32 -> Word32 -> Word32 -> IO Int32
-- MinimumCallThreads : DWORD -> Word32
-- MaxCalls : DWORD -> Word32
-- DontWait : 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 rpcserverlisten =
  foreign "RpcServerListen"
    (uint32_t @-> uint32_t @-> uint32_t @-> returning int32_t)
(* MinimumCallThreads : DWORD -> uint32_t *)
(* MaxCalls : DWORD -> uint32_t *)
(* DontWait : 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 rpcrt4 (t "RPCRT4.dll"))
(cffi:use-foreign-library rpcrt4)

(cffi:defcfun ("RpcServerListen" rpc-server-listen :convention :stdcall) :int32
  (minimum-call-threads :uint32)   ; DWORD
  (max-calls :uint32)   ; DWORD
  (dont-wait :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RpcServerListen = Win32::API::More->new('RPCRT4',
    'int RpcServerListen(DWORD MinimumCallThreads, DWORD MaxCalls, DWORD DontWait)');
# my $ret = $RpcServerListen->Call($MinimumCallThreads, $MaxCalls, $DontWait);
# MinimumCallThreads : DWORD -> DWORD
# MaxCalls : DWORD -> DWORD
# DontWait : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。