HcsOpenProcess

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

HRESULT HcsOpenProcess(
    HCS_SYSTEM computeSystem,
    DWORD processId,
    DWORD requestedAccess,
    HCS_PROCESS* process
);

<DllImport("computecore.dll", ExactSpelling:=True)>
Public Shared Function HcsOpenProcess(
    computeSystem As IntPtr,   ' HCS_SYSTEM
    processId As UInteger,   ' DWORD
    requestedAccess As UInteger,   ' DWORD
    process As IntPtr   ' HCS_PROCESS* out
) As Integer
End Function

' computeSystem : HCS_SYSTEM
' processId : DWORD
' requestedAccess : DWORD
' process : HCS_PROCESS* out
Declare PtrSafe Function HcsOpenProcess Lib "computecore" ( _
    ByVal computeSystem As LongPtr, _
    ByVal processId As Long, _
    ByVal requestedAccess As Long, _
    ByVal process 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

HcsOpenProcess = ctypes.windll.computecore.HcsOpenProcess
HcsOpenProcess.restype = ctypes.c_int
HcsOpenProcess.argtypes = [
    wintypes.HANDLE,  # computeSystem : HCS_SYSTEM
    wintypes.DWORD,  # processId : DWORD
    wintypes.DWORD,  # requestedAccess : DWORD
    ctypes.c_void_p,  # process : HCS_PROCESS* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computecore.dll')
HcsOpenProcess = Fiddle::Function.new(
  lib['HcsOpenProcess'],
  [
    Fiddle::TYPE_VOIDP,  # computeSystem : HCS_SYSTEM
    -Fiddle::TYPE_INT,  # processId : DWORD
    -Fiddle::TYPE_INT,  # requestedAccess : DWORD
    Fiddle::TYPE_VOIDP,  # process : HCS_PROCESS* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "computecore")]
extern "system" {
    fn HcsOpenProcess(
        computeSystem: *mut core::ffi::c_void,  // HCS_SYSTEM
        processId: u32,  // DWORD
        requestedAccess: u32,  // DWORD
        process: *mut *mut core::ffi::c_void  // HCS_PROCESS* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("computecore.dll")]
public static extern int HcsOpenProcess(IntPtr computeSystem, uint processId, uint requestedAccess, IntPtr process);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computecore_HcsOpenProcess' -Namespace Win32 -PassThru
# $api::HcsOpenProcess(computeSystem, processId, requestedAccess, process)

#uselib "computecore.dll"
#func global HcsOpenProcess "HcsOpenProcess" sptr, sptr, sptr, sptr
; HcsOpenProcess computeSystem, processId, requestedAccess, process   ; 戻り値は stat
; computeSystem : HCS_SYSTEM -> "sptr"
; processId : DWORD -> "sptr"
; requestedAccess : DWORD -> "sptr"
; process : HCS_PROCESS* 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。

#uselib "computecore.dll"
#cfunc global HcsOpenProcess "HcsOpenProcess" sptr, int, int, sptr
; res = HcsOpenProcess(computeSystem, processId, requestedAccess, process)
; computeSystem : HCS_SYSTEM -> "sptr"
; processId : DWORD -> "int"
; requestedAccess : DWORD -> "int"
; process : HCS_PROCESS* out -> "sptr"

; HRESULT HcsOpenProcess(HCS_SYSTEM computeSystem, DWORD processId, DWORD requestedAccess, HCS_PROCESS* process)
#uselib "computecore.dll"
#cfunc global HcsOpenProcess "HcsOpenProcess" intptr, int, int, intptr
; res = HcsOpenProcess(computeSystem, processId, requestedAccess, process)
; computeSystem : HCS_SYSTEM -> "intptr"
; processId : DWORD -> "int"
; requestedAccess : DWORD -> "int"
; process : HCS_PROCESS* out -> "intptr"

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

var (
	computecore = windows.NewLazySystemDLL("computecore.dll")
	procHcsOpenProcess = computecore.NewProc("HcsOpenProcess")
)

// computeSystem (HCS_SYSTEM), processId (DWORD), requestedAccess (DWORD), process (HCS_PROCESS* out)
r1, _, err := procHcsOpenProcess.Call(
	uintptr(computeSystem),
	uintptr(processId),
	uintptr(requestedAccess),
	uintptr(process),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function HcsOpenProcess(
  computeSystem: THandle;   // HCS_SYSTEM
  processId: DWORD;   // DWORD
  requestedAccess: DWORD;   // DWORD
  process: Pointer   // HCS_PROCESS* out
): Integer; stdcall;
  external 'computecore.dll' name 'HcsOpenProcess';

result := DllCall("computecore\HcsOpenProcess"
    , "Ptr", computeSystem   ; HCS_SYSTEM
    , "UInt", processId   ; DWORD
    , "UInt", requestedAccess   ; DWORD
    , "Ptr", process   ; HCS_PROCESS* out
    , "Int")   ; return: HRESULT

●HcsOpenProcess(computeSystem, processId, requestedAccess, process) = DLL("computecore.dll", "int HcsOpenProcess(void*, dword, dword, void*)")
# 呼び出し: HcsOpenProcess(computeSystem, processId, requestedAccess, process)
# computeSystem : HCS_SYSTEM -> "void*"
# processId : DWORD -> "dword"
# requestedAccess : DWORD -> "dword"
# process : HCS_PROCESS* 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 "computecore" fn HcsOpenProcess(
    computeSystem: ?*anyopaque, // HCS_SYSTEM
    processId: u32, // DWORD
    requestedAccess: u32, // DWORD
    process: ?*anyopaque // HCS_PROCESS* out
) callconv(std.os.windows.WINAPI) i32;

proc HcsOpenProcess(
    computeSystem: pointer,  # HCS_SYSTEM
    processId: uint32,  # DWORD
    requestedAccess: uint32,  # DWORD
    process: pointer  # HCS_PROCESS* out
): int32 {.importc: "HcsOpenProcess", stdcall, dynlib: "computecore.dll".}

pragma(lib, "computecore");
extern(Windows)
int HcsOpenProcess(
    void* computeSystem,   // HCS_SYSTEM
    uint processId,   // DWORD
    uint requestedAccess,   // DWORD
    void* process   // HCS_PROCESS* out
);

ccall((:HcsOpenProcess, "computecore.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, UInt32, Ptr{Cvoid}),
      computeSystem, processId, requestedAccess, process)
# computeSystem : HCS_SYSTEM -> Ptr{Cvoid}
# processId : DWORD -> UInt32
# requestedAccess : DWORD -> UInt32
# process : HCS_PROCESS* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t HcsOpenProcess(
    void* computeSystem,
    uint32_t processId,
    uint32_t requestedAccess,
    void* process);
]]
local computecore = ffi.load("computecore")
-- computecore.HcsOpenProcess(computeSystem, processId, requestedAccess, process)
-- computeSystem : HCS_SYSTEM
-- processId : DWORD
-- requestedAccess : DWORD
-- process : HCS_PROCESS* 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('computecore.dll');
const HcsOpenProcess = lib.func('__stdcall', 'HcsOpenProcess', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'void *']);
// HcsOpenProcess(computeSystem, processId, requestedAccess, process)
// computeSystem : HCS_SYSTEM -> 'void *'
// processId : DWORD -> 'uint32_t'
// requestedAccess : DWORD -> 'uint32_t'
// process : HCS_PROCESS* out -> '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("computecore.dll", {
  HcsOpenProcess: { parameters: ["pointer", "u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.HcsOpenProcess(computeSystem, processId, requestedAccess, process)
// computeSystem : HCS_SYSTEM -> "pointer"
// processId : DWORD -> "u32"
// requestedAccess : DWORD -> "u32"
// process : HCS_PROCESS* 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 HcsOpenProcess(
    void* computeSystem,
    uint32_t processId,
    uint32_t requestedAccess,
    void* process);
C, "computecore.dll");
// $ffi->HcsOpenProcess(computeSystem, processId, requestedAccess, process);
// computeSystem : HCS_SYSTEM
// processId : DWORD
// requestedAccess : DWORD
// process : HCS_PROCESS* 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 Computecore extends StdCallLibrary {
    Computecore INSTANCE = Native.load("computecore", Computecore.class);
    int HcsOpenProcess(
        Pointer computeSystem,   // HCS_SYSTEM
        int processId,   // DWORD
        int requestedAccess,   // DWORD
        Pointer process   // HCS_PROCESS* out
    );
}

@[Link("computecore")]
lib Libcomputecore
  fun HcsOpenProcess = HcsOpenProcess(
    computeSystem : Void*,   # HCS_SYSTEM
    processId : UInt32,   # DWORD
    requestedAccess : UInt32,   # DWORD
    process : Void*   # HCS_PROCESS* 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 HcsOpenProcessNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>);
typedef HcsOpenProcessDart = int Function(Pointer<Void>, int, int, Pointer<Void>);
final HcsOpenProcess = DynamicLibrary.open('computecore.dll')
    .lookupFunction<HcsOpenProcessNative, HcsOpenProcessDart>('HcsOpenProcess');
// computeSystem : HCS_SYSTEM -> Pointer<Void>
// processId : DWORD -> Uint32
// requestedAccess : DWORD -> Uint32
// process : HCS_PROCESS* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function HcsOpenProcess(
  computeSystem: THandle;   // HCS_SYSTEM
  processId: DWORD;   // DWORD
  requestedAccess: DWORD;   // DWORD
  process: Pointer   // HCS_PROCESS* out
): Integer; stdcall;
  external 'computecore.dll' name 'HcsOpenProcess';

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

foreign import stdcall safe "HcsOpenProcess"
  c_HcsOpenProcess :: Ptr () -> Word32 -> Word32 -> Ptr () -> IO Int32
-- computeSystem : HCS_SYSTEM -> Ptr ()
-- processId : DWORD -> Word32
-- requestedAccess : DWORD -> Word32
-- process : HCS_PROCESS* out -> 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 hcsopenprocess =
  foreign "HcsOpenProcess"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* computeSystem : HCS_SYSTEM -> (ptr void) *)
(* processId : DWORD -> uint32_t *)
(* requestedAccess : DWORD -> uint32_t *)
(* process : HCS_PROCESS* out -> (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 computecore (t "computecore.dll"))
(cffi:use-foreign-library computecore)

(cffi:defcfun ("HcsOpenProcess" hcs-open-process :convention :stdcall) :int32
  (compute-system :pointer)   ; HCS_SYSTEM
  (process-id :uint32)   ; DWORD
  (requested-access :uint32)   ; DWORD
  (process :pointer))   ; HCS_PROCESS* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $HcsOpenProcess = Win32::API::More->new('computecore',
    'int HcsOpenProcess(HANDLE computeSystem, DWORD processId, DWORD requestedAccess, HANDLE process)');
# my $ret = $HcsOpenProcess->Call($computeSystem, $processId, $requestedAccess, $process);
# computeSystem : HCS_SYSTEM -> HANDLE
# processId : DWORD -> DWORD
# requestedAccess : DWORD -> DWORD
# process : HCS_PROCESS* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。