EngAcquireSemaphore

// GDI32.dll
#include <windows.h>

void EngAcquireSemaphore(
    HSEMAPHORE hsem
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Sub EngAcquireSemaphore(
    hsem As IntPtr   ' HSEMAPHORE
)
End Sub

' hsem : HSEMAPHORE
Declare PtrSafe Sub EngAcquireSemaphore Lib "gdi32" ( _
    ByVal hsem As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EngAcquireSemaphore = ctypes.windll.gdi32.EngAcquireSemaphore
EngAcquireSemaphore.restype = None
EngAcquireSemaphore.argtypes = [
    wintypes.HANDLE,  # hsem : HSEMAPHORE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
EngAcquireSemaphore = Fiddle::Function.new(
  lib['EngAcquireSemaphore'],
  [
    Fiddle::TYPE_VOIDP,  # hsem : HSEMAPHORE
  ],
  Fiddle::TYPE_VOID)

#[link(name = "gdi32")]
extern "system" {
    fn EngAcquireSemaphore(
        hsem: *mut core::ffi::c_void  // HSEMAPHORE
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll")]
public static extern void EngAcquireSemaphore(IntPtr hsem);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_EngAcquireSemaphore' -Namespace Win32 -PassThru
# $api::EngAcquireSemaphore(hsem)

#uselib "GDI32.dll"
#func global EngAcquireSemaphore "EngAcquireSemaphore" sptr
; EngAcquireSemaphore hsem
; hsem : HSEMAPHORE -> "sptr"

#uselib "GDI32.dll"
#func global EngAcquireSemaphore "EngAcquireSemaphore" sptr
; EngAcquireSemaphore hsem
; hsem : HSEMAPHORE -> "sptr"

; void EngAcquireSemaphore(HSEMAPHORE hsem)
#uselib "GDI32.dll"
#func global EngAcquireSemaphore "EngAcquireSemaphore" intptr
; EngAcquireSemaphore hsem
; hsem : HSEMAPHORE -> "intptr"

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procEngAcquireSemaphore = gdi32.NewProc("EngAcquireSemaphore")
)

// hsem (HSEMAPHORE)
r1, _, err := procEngAcquireSemaphore.Call(
	uintptr(hsem),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure EngAcquireSemaphore(
  hsem: THandle   // HSEMAPHORE
); stdcall;
  external 'GDI32.dll' name 'EngAcquireSemaphore';

result := DllCall("GDI32\EngAcquireSemaphore"
    , "Ptr", hsem   ; HSEMAPHORE
    , "Int")   ; return: void

●EngAcquireSemaphore(hsem) = DLL("GDI32.dll", "int EngAcquireSemaphore(void*)")
# 呼び出し: EngAcquireSemaphore(hsem)
# hsem : HSEMAPHORE -> "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 "gdi32" fn EngAcquireSemaphore(
    hsem: ?*anyopaque // HSEMAPHORE
) callconv(std.os.windows.WINAPI) void;

proc EngAcquireSemaphore(
    hsem: pointer  # HSEMAPHORE
) {.importc: "EngAcquireSemaphore", stdcall, dynlib: "GDI32.dll".}

pragma(lib, "gdi32");
extern(Windows)
void EngAcquireSemaphore(
    void* hsem   // HSEMAPHORE
);

ccall((:EngAcquireSemaphore, "GDI32.dll"), stdcall, Cvoid,
      (Ptr{Cvoid},),
      hsem)
# hsem : HSEMAPHORE -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void EngAcquireSemaphore(
    void* hsem);
]]
local gdi32 = ffi.load("gdi32")
-- gdi32.EngAcquireSemaphore(hsem)
-- hsem : HSEMAPHORE
-- 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('GDI32.dll');
const EngAcquireSemaphore = lib.func('__stdcall', 'EngAcquireSemaphore', 'void', ['void *']);
// EngAcquireSemaphore(hsem)
// hsem : HSEMAPHORE -> 'void *'
// 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("GDI32.dll", {
  EngAcquireSemaphore: { parameters: ["pointer"], result: "void" },
});
// lib.symbols.EngAcquireSemaphore(hsem)
// hsem : HSEMAPHORE -> "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
void EngAcquireSemaphore(
    void* hsem);
C, "GDI32.dll");
// $ffi->EngAcquireSemaphore(hsem);
// hsem : HSEMAPHORE
// 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 Gdi32 extends StdCallLibrary {
    Gdi32 INSTANCE = Native.load("gdi32", Gdi32.class);
    void EngAcquireSemaphore(
        Pointer hsem   // HSEMAPHORE
    );
}

@[Link("gdi32")]
lib LibGDI32
  fun EngAcquireSemaphore = EngAcquireSemaphore(
    hsem : Void*   # HSEMAPHORE
  ) : Void
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 EngAcquireSemaphoreNative = Void Function(Pointer<Void>);
typedef EngAcquireSemaphoreDart = void Function(Pointer<Void>);
final EngAcquireSemaphore = DynamicLibrary.open('GDI32.dll')
    .lookupFunction<EngAcquireSemaphoreNative, EngAcquireSemaphoreDart>('EngAcquireSemaphore');
// hsem : HSEMAPHORE -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure EngAcquireSemaphore(
  hsem: THandle   // HSEMAPHORE
); stdcall;
  external 'GDI32.dll' name 'EngAcquireSemaphore';

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

foreign import stdcall safe "EngAcquireSemaphore"
  c_EngAcquireSemaphore :: Ptr () -> IO ()
-- hsem : HSEMAPHORE -> Ptr ()
-- 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 engacquiresemaphore =
  foreign "EngAcquireSemaphore"
    ((ptr void) @-> returning void)
(* hsem : HSEMAPHORE -> (ptr void) *)
(* 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 gdi32 (t "GDI32.dll"))
(cffi:use-foreign-library gdi32)

(cffi:defcfun ("EngAcquireSemaphore" eng-acquire-semaphore :convention :stdcall) :void
  (hsem :pointer))   ; HSEMAPHORE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $EngAcquireSemaphore = Win32::API::More->new('GDI32',
    'void EngAcquireSemaphore(HANDLE hsem)');
# my $ret = $EngAcquireSemaphore->Call($hsem);
# hsem : HSEMAPHORE -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。