PdhGetRawCounterValue

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

DWORD PdhGetRawCounterValue(
    PDH_HCOUNTER hCounter,
    DWORD* lpdwType,   // optional
    PDH_RAW_COUNTER* pValue
);

<DllImport("pdh.dll", ExactSpelling:=True)>
Public Shared Function PdhGetRawCounterValue(
    hCounter As IntPtr,   ' PDH_HCOUNTER
    lpdwType As IntPtr,   ' DWORD* optional, out
    pValue As IntPtr   ' PDH_RAW_COUNTER* out
) As UInteger
End Function

' hCounter : PDH_HCOUNTER
' lpdwType : DWORD* optional, out
' pValue : PDH_RAW_COUNTER* out
Declare PtrSafe Function PdhGetRawCounterValue Lib "pdh" ( _
    ByVal hCounter As LongPtr, _
    ByVal lpdwType As LongPtr, _
    ByVal pValue 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

PdhGetRawCounterValue = ctypes.windll.pdh.PdhGetRawCounterValue
PdhGetRawCounterValue.restype = wintypes.DWORD
PdhGetRawCounterValue.argtypes = [
    wintypes.HANDLE,  # hCounter : PDH_HCOUNTER
    ctypes.POINTER(wintypes.DWORD),  # lpdwType : DWORD* optional, out
    ctypes.c_void_p,  # pValue : PDH_RAW_COUNTER* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhGetRawCounterValue = Fiddle::Function.new(
  lib['PdhGetRawCounterValue'],
  [
    Fiddle::TYPE_VOIDP,  # hCounter : PDH_HCOUNTER
    Fiddle::TYPE_VOIDP,  # lpdwType : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pValue : PDH_RAW_COUNTER* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "pdh")]
extern "system" {
    fn PdhGetRawCounterValue(
        hCounter: *mut core::ffi::c_void,  // PDH_HCOUNTER
        lpdwType: *mut u32,  // DWORD* optional, out
        pValue: *mut PDH_RAW_COUNTER  // PDH_RAW_COUNTER* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("pdh.dll")]
public static extern uint PdhGetRawCounterValue(IntPtr hCounter, IntPtr lpdwType, IntPtr pValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'pdh_PdhGetRawCounterValue' -Namespace Win32 -PassThru
# $api::PdhGetRawCounterValue(hCounter, lpdwType, pValue)

#uselib "pdh.dll"
#func global PdhGetRawCounterValue "PdhGetRawCounterValue" sptr, sptr, sptr
; PdhGetRawCounterValue hCounter, varptr(lpdwType), varptr(pValue)   ; 戻り値は stat
; hCounter : PDH_HCOUNTER -> "sptr"
; lpdwType : DWORD* optional, out -> "sptr"
; pValue : PDH_RAW_COUNTER* 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 (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhGetRawCounterValue = pdh.NewProc("PdhGetRawCounterValue")
)

// hCounter (PDH_HCOUNTER), lpdwType (DWORD* optional, out), pValue (PDH_RAW_COUNTER* out)
r1, _, err := procPdhGetRawCounterValue.Call(
	uintptr(hCounter),
	uintptr(lpdwType),
	uintptr(pValue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhGetRawCounterValue(
  hCounter: THandle;   // PDH_HCOUNTER
  lpdwType: Pointer;   // DWORD* optional, out
  pValue: Pointer   // PDH_RAW_COUNTER* out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhGetRawCounterValue';

result := DllCall("pdh\PdhGetRawCounterValue"
    , "Ptr", hCounter   ; PDH_HCOUNTER
    , "Ptr", lpdwType   ; DWORD* optional, out
    , "Ptr", pValue   ; PDH_RAW_COUNTER* out
    , "UInt")   ; return: DWORD

●PdhGetRawCounterValue(hCounter, lpdwType, pValue) = DLL("pdh.dll", "dword PdhGetRawCounterValue(void*, void*, void*)")
# 呼び出し: PdhGetRawCounterValue(hCounter, lpdwType, pValue)
# hCounter : PDH_HCOUNTER -> "void*"
# lpdwType : DWORD* optional, out -> "void*"
# pValue : PDH_RAW_COUNTER* 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 "pdh" fn PdhGetRawCounterValue(
    hCounter: ?*anyopaque, // PDH_HCOUNTER
    lpdwType: [*c]u32, // DWORD* optional, out
    pValue: [*c]PDH_RAW_COUNTER // PDH_RAW_COUNTER* out
) callconv(std.os.windows.WINAPI) u32;

proc PdhGetRawCounterValue(
    hCounter: pointer,  # PDH_HCOUNTER
    lpdwType: ptr uint32,  # DWORD* optional, out
    pValue: ptr PDH_RAW_COUNTER  # PDH_RAW_COUNTER* out
): uint32 {.importc: "PdhGetRawCounterValue", stdcall, dynlib: "pdh.dll".}

pragma(lib, "pdh");
extern(Windows)
uint PdhGetRawCounterValue(
    void* hCounter,   // PDH_HCOUNTER
    uint* lpdwType,   // DWORD* optional, out
    PDH_RAW_COUNTER* pValue   // PDH_RAW_COUNTER* out
);

ccall((:PdhGetRawCounterValue, "pdh.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{UInt32}, Ptr{PDH_RAW_COUNTER}),
      hCounter, lpdwType, pValue)
# hCounter : PDH_HCOUNTER -> Ptr{Cvoid}
# lpdwType : DWORD* optional, out -> Ptr{UInt32}
# pValue : PDH_RAW_COUNTER* out -> Ptr{PDH_RAW_COUNTER}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PdhGetRawCounterValue(
    void* hCounter,
    uint32_t* lpdwType,
    void* pValue);
]]
local pdh = ffi.load("pdh")
-- pdh.PdhGetRawCounterValue(hCounter, lpdwType, pValue)
-- hCounter : PDH_HCOUNTER
-- lpdwType : DWORD* optional, out
-- pValue : PDH_RAW_COUNTER* 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('pdh.dll');
const PdhGetRawCounterValue = lib.func('__stdcall', 'PdhGetRawCounterValue', 'uint32_t', ['void *', 'uint32_t *', 'void *']);
// PdhGetRawCounterValue(hCounter, lpdwType, pValue)
// hCounter : PDH_HCOUNTER -> 'void *'
// lpdwType : DWORD* optional, out -> 'uint32_t *'
// pValue : PDH_RAW_COUNTER* 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("pdh.dll", {
  PdhGetRawCounterValue: { parameters: ["pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.PdhGetRawCounterValue(hCounter, lpdwType, pValue)
// hCounter : PDH_HCOUNTER -> "pointer"
// lpdwType : DWORD* optional, out -> "pointer"
// pValue : PDH_RAW_COUNTER* 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 PdhGetRawCounterValue(
    void* hCounter,
    uint32_t* lpdwType,
    void* pValue);
C, "pdh.dll");
// $ffi->PdhGetRawCounterValue(hCounter, lpdwType, pValue);
// hCounter : PDH_HCOUNTER
// lpdwType : DWORD* optional, out
// pValue : PDH_RAW_COUNTER* 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 Pdh extends StdCallLibrary {
    Pdh INSTANCE = Native.load("pdh", Pdh.class);
    int PdhGetRawCounterValue(
        Pointer hCounter,   // PDH_HCOUNTER
        IntByReference lpdwType,   // DWORD* optional, out
        Pointer pValue   // PDH_RAW_COUNTER* out
    );
}

@[Link("pdh")]
lib Libpdh
  fun PdhGetRawCounterValue = PdhGetRawCounterValue(
    hCounter : Void*,   # PDH_HCOUNTER
    lpdwType : UInt32*,   # DWORD* optional, out
    pValue : PDH_RAW_COUNTER*   # PDH_RAW_COUNTER* 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 PdhGetRawCounterValueNative = Uint32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef PdhGetRawCounterValueDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final PdhGetRawCounterValue = DynamicLibrary.open('pdh.dll')
    .lookupFunction<PdhGetRawCounterValueNative, PdhGetRawCounterValueDart>('PdhGetRawCounterValue');
// hCounter : PDH_HCOUNTER -> Pointer<Void>
// lpdwType : DWORD* optional, out -> Pointer<Uint32>
// pValue : PDH_RAW_COUNTER* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PdhGetRawCounterValue(
  hCounter: THandle;   // PDH_HCOUNTER
  lpdwType: Pointer;   // DWORD* optional, out
  pValue: Pointer   // PDH_RAW_COUNTER* out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhGetRawCounterValue';

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

foreign import stdcall safe "PdhGetRawCounterValue"
  c_PdhGetRawCounterValue :: Ptr () -> Ptr Word32 -> Ptr () -> IO Word32
-- hCounter : PDH_HCOUNTER -> Ptr ()
-- lpdwType : DWORD* optional, out -> Ptr Word32
-- pValue : PDH_RAW_COUNTER* 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 pdhgetrawcountervalue =
  foreign "PdhGetRawCounterValue"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning uint32_t)
(* hCounter : PDH_HCOUNTER -> (ptr void) *)
(* lpdwType : DWORD* optional, out -> (ptr uint32_t) *)
(* pValue : PDH_RAW_COUNTER* 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 pdh (t "pdh.dll"))
(cffi:use-foreign-library pdh)

(cffi:defcfun ("PdhGetRawCounterValue" pdh-get-raw-counter-value :convention :stdcall) :uint32
  (h-counter :pointer)   ; PDH_HCOUNTER
  (lpdw-type :pointer)   ; DWORD* optional, out
  (p-value :pointer))   ; PDH_RAW_COUNTER* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PdhGetRawCounterValue = Win32::API::More->new('pdh',
    'DWORD PdhGetRawCounterValue(HANDLE hCounter, LPVOID lpdwType, LPVOID pValue)');
# my $ret = $PdhGetRawCounterValue->Call($hCounter, $lpdwType, $pValue);
# hCounter : PDH_HCOUNTER -> HANDLE
# lpdwType : DWORD* optional, out -> LPVOID
# pValue : PDH_RAW_COUNTER* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。