RtwqGetWorkQueueMMCSSPriority

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

HRESULT RtwqGetWorkQueueMMCSSPriority(
    DWORD workQueueId,
    INT* priority
);

<DllImport("RTWorkQ.dll", ExactSpelling:=True)>
Public Shared Function RtwqGetWorkQueueMMCSSPriority(
    workQueueId As UInteger,   ' DWORD
    <Out> ByRef priority As Integer   ' INT* out
) As Integer
End Function

' workQueueId : DWORD
' priority : INT* out
Declare PtrSafe Function RtwqGetWorkQueueMMCSSPriority Lib "rtworkq" ( _
    ByVal workQueueId As Long, _
    ByRef priority 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

RtwqGetWorkQueueMMCSSPriority = ctypes.windll.rtworkq.RtwqGetWorkQueueMMCSSPriority
RtwqGetWorkQueueMMCSSPriority.restype = ctypes.c_int
RtwqGetWorkQueueMMCSSPriority.argtypes = [
    wintypes.DWORD,  # workQueueId : DWORD
    ctypes.POINTER(ctypes.c_int),  # priority : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RTWorkQ.dll')
RtwqGetWorkQueueMMCSSPriority = Fiddle::Function.new(
  lib['RtwqGetWorkQueueMMCSSPriority'],
  [
    -Fiddle::TYPE_INT,  # workQueueId : DWORD
    Fiddle::TYPE_VOIDP,  # priority : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rtworkq")]
extern "system" {
    fn RtwqGetWorkQueueMMCSSPriority(
        workQueueId: u32,  // DWORD
        priority: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RTWorkQ.dll")]
public static extern int RtwqGetWorkQueueMMCSSPriority(uint workQueueId, out int priority);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RTWorkQ_RtwqGetWorkQueueMMCSSPriority' -Namespace Win32 -PassThru
# $api::RtwqGetWorkQueueMMCSSPriority(workQueueId, priority)

#uselib "RTWorkQ.dll"
#func global RtwqGetWorkQueueMMCSSPriority "RtwqGetWorkQueueMMCSSPriority" sptr, sptr
; RtwqGetWorkQueueMMCSSPriority workQueueId, varptr(priority)   ; 戻り値は stat
; workQueueId : DWORD -> "sptr"
; priority : INT* 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。

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

var (
	rtworkq = windows.NewLazySystemDLL("RTWorkQ.dll")
	procRtwqGetWorkQueueMMCSSPriority = rtworkq.NewProc("RtwqGetWorkQueueMMCSSPriority")
)

// workQueueId (DWORD), priority (INT* out)
r1, _, err := procRtwqGetWorkQueueMMCSSPriority.Call(
	uintptr(workQueueId),
	uintptr(priority),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RtwqGetWorkQueueMMCSSPriority(
  workQueueId: DWORD;   // DWORD
  priority: Pointer   // INT* out
): Integer; stdcall;
  external 'RTWorkQ.dll' name 'RtwqGetWorkQueueMMCSSPriority';

result := DllCall("RTWorkQ\RtwqGetWorkQueueMMCSSPriority"
    , "UInt", workQueueId   ; DWORD
    , "Ptr", priority   ; INT* out
    , "Int")   ; return: HRESULT

●RtwqGetWorkQueueMMCSSPriority(workQueueId, priority) = DLL("RTWorkQ.dll", "int RtwqGetWorkQueueMMCSSPriority(dword, void*)")
# 呼び出し: RtwqGetWorkQueueMMCSSPriority(workQueueId, priority)
# workQueueId : DWORD -> "dword"
# priority : INT* 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 "rtworkq" fn RtwqGetWorkQueueMMCSSPriority(
    workQueueId: u32, // DWORD
    priority: [*c]i32 // INT* out
) callconv(std.os.windows.WINAPI) i32;

proc RtwqGetWorkQueueMMCSSPriority(
    workQueueId: uint32,  # DWORD
    priority: ptr int32  # INT* out
): int32 {.importc: "RtwqGetWorkQueueMMCSSPriority", stdcall, dynlib: "RTWorkQ.dll".}

pragma(lib, "rtworkq");
extern(Windows)
int RtwqGetWorkQueueMMCSSPriority(
    uint workQueueId,   // DWORD
    int* priority   // INT* out
);

ccall((:RtwqGetWorkQueueMMCSSPriority, "RTWorkQ.dll"), stdcall, Int32,
      (UInt32, Ptr{Int32}),
      workQueueId, priority)
# workQueueId : DWORD -> UInt32
# priority : INT* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t RtwqGetWorkQueueMMCSSPriority(
    uint32_t workQueueId,
    int32_t* priority);
]]
local rtworkq = ffi.load("rtworkq")
-- rtworkq.RtwqGetWorkQueueMMCSSPriority(workQueueId, priority)
-- workQueueId : DWORD
-- priority : INT* 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('RTWorkQ.dll');
const RtwqGetWorkQueueMMCSSPriority = lib.func('__stdcall', 'RtwqGetWorkQueueMMCSSPriority', 'int32_t', ['uint32_t', 'int32_t *']);
// RtwqGetWorkQueueMMCSSPriority(workQueueId, priority)
// workQueueId : DWORD -> 'uint32_t'
// priority : INT* out -> 'int32_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("RTWorkQ.dll", {
  RtwqGetWorkQueueMMCSSPriority: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.RtwqGetWorkQueueMMCSSPriority(workQueueId, priority)
// workQueueId : DWORD -> "u32"
// priority : INT* 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
int32_t RtwqGetWorkQueueMMCSSPriority(
    uint32_t workQueueId,
    int32_t* priority);
C, "RTWorkQ.dll");
// $ffi->RtwqGetWorkQueueMMCSSPriority(workQueueId, priority);
// workQueueId : DWORD
// priority : INT* 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 Rtworkq extends StdCallLibrary {
    Rtworkq INSTANCE = Native.load("rtworkq", Rtworkq.class);
    int RtwqGetWorkQueueMMCSSPriority(
        int workQueueId,   // DWORD
        IntByReference priority   // INT* out
    );
}

@[Link("rtworkq")]
lib LibRTWorkQ
  fun RtwqGetWorkQueueMMCSSPriority = RtwqGetWorkQueueMMCSSPriority(
    workQueueId : UInt32,   # DWORD
    priority : Int32*   # INT* out
  ) : 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 RtwqGetWorkQueueMMCSSPriorityNative = Int32 Function(Uint32, Pointer<Int32>);
typedef RtwqGetWorkQueueMMCSSPriorityDart = int Function(int, Pointer<Int32>);
final RtwqGetWorkQueueMMCSSPriority = DynamicLibrary.open('RTWorkQ.dll')
    .lookupFunction<RtwqGetWorkQueueMMCSSPriorityNative, RtwqGetWorkQueueMMCSSPriorityDart>('RtwqGetWorkQueueMMCSSPriority');
// workQueueId : DWORD -> Uint32
// priority : INT* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RtwqGetWorkQueueMMCSSPriority(
  workQueueId: DWORD;   // DWORD
  priority: Pointer   // INT* out
): Integer; stdcall;
  external 'RTWorkQ.dll' name 'RtwqGetWorkQueueMMCSSPriority';

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

foreign import stdcall safe "RtwqGetWorkQueueMMCSSPriority"
  c_RtwqGetWorkQueueMMCSSPriority :: Word32 -> Ptr Int32 -> IO Int32
-- workQueueId : DWORD -> Word32
-- priority : INT* out -> Ptr Int32
-- 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 rtwqgetworkqueuemmcsspriority =
  foreign "RtwqGetWorkQueueMMCSSPriority"
    (uint32_t @-> (ptr int32_t) @-> returning int32_t)
(* workQueueId : DWORD -> uint32_t *)
(* priority : INT* out -> (ptr int32_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 rtworkq (t "RTWorkQ.dll"))
(cffi:use-foreign-library rtworkq)

(cffi:defcfun ("RtwqGetWorkQueueMMCSSPriority" rtwq-get-work-queue-mmcsspriority :convention :stdcall) :int32
  (work-queue-id :uint32)   ; DWORD
  (priority :pointer))   ; INT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RtwqGetWorkQueueMMCSSPriority = Win32::API::More->new('RTWorkQ',
    'int RtwqGetWorkQueueMMCSSPriority(DWORD workQueueId, LPVOID priority)');
# my $ret = $RtwqGetWorkQueueMMCSSPriority->Call($workQueueId, $priority);
# workQueueId : DWORD -> DWORD
# priority : INT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。