PerfEnumerateCounterSetInstances

// ADVAPI32.dll
#include <windows.h>

DWORD PerfEnumerateCounterSetInstances(
    LPCWSTR szMachine,   // optional
    const GUID* pCounterSetId,
    PERF_INSTANCE_HEADER* pInstances,   // optional
    DWORD cbInstances,
    DWORD* pcbInstancesActual
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function PerfEnumerateCounterSetInstances(
    <MarshalAs(UnmanagedType.LPWStr)> szMachine As String,   ' LPCWSTR optional
    ByRef pCounterSetId As Guid,   ' GUID*
    pInstances As IntPtr,   ' PERF_INSTANCE_HEADER* optional, out
    cbInstances As UInteger,   ' DWORD
    <Out> ByRef pcbInstancesActual As UInteger   ' DWORD* out
) As UInteger
End Function

' szMachine : LPCWSTR optional
' pCounterSetId : GUID*
' pInstances : PERF_INSTANCE_HEADER* optional, out
' cbInstances : DWORD
' pcbInstancesActual : DWORD* out
Declare PtrSafe Function PerfEnumerateCounterSetInstances Lib "advapi32" ( _
    ByVal szMachine As LongPtr, _
    ByVal pCounterSetId As LongPtr, _
    ByVal pInstances As LongPtr, _
    ByVal cbInstances As Long, _
    ByRef pcbInstancesActual 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

PerfEnumerateCounterSetInstances = ctypes.windll.advapi32.PerfEnumerateCounterSetInstances
PerfEnumerateCounterSetInstances.restype = wintypes.DWORD
PerfEnumerateCounterSetInstances.argtypes = [
    wintypes.LPCWSTR,  # szMachine : LPCWSTR optional
    ctypes.c_void_p,  # pCounterSetId : GUID*
    ctypes.c_void_p,  # pInstances : PERF_INSTANCE_HEADER* optional, out
    wintypes.DWORD,  # cbInstances : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbInstancesActual : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
PerfEnumerateCounterSetInstances = Fiddle::Function.new(
  lib['PerfEnumerateCounterSetInstances'],
  [
    Fiddle::TYPE_VOIDP,  # szMachine : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pCounterSetId : GUID*
    Fiddle::TYPE_VOIDP,  # pInstances : PERF_INSTANCE_HEADER* optional, out
    -Fiddle::TYPE_INT,  # cbInstances : DWORD
    Fiddle::TYPE_VOIDP,  # pcbInstancesActual : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn PerfEnumerateCounterSetInstances(
        szMachine: *const u16,  // LPCWSTR optional
        pCounterSetId: *const GUID,  // GUID*
        pInstances: *mut PERF_INSTANCE_HEADER,  // PERF_INSTANCE_HEADER* optional, out
        cbInstances: u32,  // DWORD
        pcbInstancesActual: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint PerfEnumerateCounterSetInstances([MarshalAs(UnmanagedType.LPWStr)] string szMachine, ref Guid pCounterSetId, IntPtr pInstances, uint cbInstances, out uint pcbInstancesActual);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_PerfEnumerateCounterSetInstances' -Namespace Win32 -PassThru
# $api::PerfEnumerateCounterSetInstances(szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual)

#uselib "ADVAPI32.dll"
#func global PerfEnumerateCounterSetInstances "PerfEnumerateCounterSetInstances" sptr, sptr, sptr, sptr, sptr
; PerfEnumerateCounterSetInstances szMachine, varptr(pCounterSetId), varptr(pInstances), cbInstances, varptr(pcbInstancesActual)   ; 戻り値は stat
; szMachine : LPCWSTR optional -> "sptr"
; pCounterSetId : GUID* -> "sptr"
; pInstances : PERF_INSTANCE_HEADER* optional, out -> "sptr"
; cbInstances : DWORD -> "sptr"
; pcbInstancesActual : DWORD* 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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procPerfEnumerateCounterSetInstances = advapi32.NewProc("PerfEnumerateCounterSetInstances")
)

// szMachine (LPCWSTR optional), pCounterSetId (GUID*), pInstances (PERF_INSTANCE_HEADER* optional, out), cbInstances (DWORD), pcbInstancesActual (DWORD* out)
r1, _, err := procPerfEnumerateCounterSetInstances.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szMachine))),
	uintptr(pCounterSetId),
	uintptr(pInstances),
	uintptr(cbInstances),
	uintptr(pcbInstancesActual),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PerfEnumerateCounterSetInstances(
  szMachine: PWideChar;   // LPCWSTR optional
  pCounterSetId: PGUID;   // GUID*
  pInstances: Pointer;   // PERF_INSTANCE_HEADER* optional, out
  cbInstances: DWORD;   // DWORD
  pcbInstancesActual: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'PerfEnumerateCounterSetInstances';

result := DllCall("ADVAPI32\PerfEnumerateCounterSetInstances"
    , "WStr", szMachine   ; LPCWSTR optional
    , "Ptr", pCounterSetId   ; GUID*
    , "Ptr", pInstances   ; PERF_INSTANCE_HEADER* optional, out
    , "UInt", cbInstances   ; DWORD
    , "Ptr", pcbInstancesActual   ; DWORD* out
    , "UInt")   ; return: DWORD

●PerfEnumerateCounterSetInstances(szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual) = DLL("ADVAPI32.dll", "dword PerfEnumerateCounterSetInstances(char*, void*, void*, dword, void*)")
# 呼び出し: PerfEnumerateCounterSetInstances(szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual)
# szMachine : LPCWSTR optional -> "char*"
# pCounterSetId : GUID* -> "void*"
# pInstances : PERF_INSTANCE_HEADER* optional, out -> "void*"
# cbInstances : DWORD -> "dword"
# pcbInstancesActual : DWORD* 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 "advapi32" fn PerfEnumerateCounterSetInstances(
    szMachine: [*c]const u16, // LPCWSTR optional
    pCounterSetId: [*c]GUID, // GUID*
    pInstances: [*c]PERF_INSTANCE_HEADER, // PERF_INSTANCE_HEADER* optional, out
    cbInstances: u32, // DWORD
    pcbInstancesActual: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;

proc PerfEnumerateCounterSetInstances(
    szMachine: WideCString,  # LPCWSTR optional
    pCounterSetId: ptr GUID,  # GUID*
    pInstances: ptr PERF_INSTANCE_HEADER,  # PERF_INSTANCE_HEADER* optional, out
    cbInstances: uint32,  # DWORD
    pcbInstancesActual: ptr uint32  # DWORD* out
): uint32 {.importc: "PerfEnumerateCounterSetInstances", stdcall, dynlib: "ADVAPI32.dll".}

pragma(lib, "advapi32");
extern(Windows)
uint PerfEnumerateCounterSetInstances(
    const(wchar)* szMachine,   // LPCWSTR optional
    GUID* pCounterSetId,   // GUID*
    PERF_INSTANCE_HEADER* pInstances,   // PERF_INSTANCE_HEADER* optional, out
    uint cbInstances,   // DWORD
    uint* pcbInstancesActual   // DWORD* out
);

ccall((:PerfEnumerateCounterSetInstances, "ADVAPI32.dll"), stdcall, UInt32,
      (Cwstring, Ptr{GUID}, Ptr{PERF_INSTANCE_HEADER}, UInt32, Ptr{UInt32}),
      szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual)
# szMachine : LPCWSTR optional -> Cwstring
# pCounterSetId : GUID* -> Ptr{GUID}
# pInstances : PERF_INSTANCE_HEADER* optional, out -> Ptr{PERF_INSTANCE_HEADER}
# cbInstances : DWORD -> UInt32
# pcbInstancesActual : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PerfEnumerateCounterSetInstances(
    const uint16_t* szMachine,
    void* pCounterSetId,
    void* pInstances,
    uint32_t cbInstances,
    uint32_t* pcbInstancesActual);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.PerfEnumerateCounterSetInstances(szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual)
-- szMachine : LPCWSTR optional
-- pCounterSetId : GUID*
-- pInstances : PERF_INSTANCE_HEADER* optional, out
-- cbInstances : DWORD
-- pcbInstancesActual : DWORD* 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('ADVAPI32.dll');
const PerfEnumerateCounterSetInstances = lib.func('__stdcall', 'PerfEnumerateCounterSetInstances', 'uint32_t', ['str16', 'void *', 'void *', 'uint32_t', 'uint32_t *']);
// PerfEnumerateCounterSetInstances(szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual)
// szMachine : LPCWSTR optional -> 'str16'
// pCounterSetId : GUID* -> 'void *'
// pInstances : PERF_INSTANCE_HEADER* optional, out -> 'void *'
// cbInstances : DWORD -> 'uint32_t'
// pcbInstancesActual : DWORD* out -> '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("ADVAPI32.dll", {
  PerfEnumerateCounterSetInstances: { parameters: ["buffer", "pointer", "pointer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.PerfEnumerateCounterSetInstances(szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual)
// szMachine : LPCWSTR optional -> "buffer"
// pCounterSetId : GUID* -> "pointer"
// pInstances : PERF_INSTANCE_HEADER* optional, out -> "pointer"
// cbInstances : DWORD -> "u32"
// pcbInstancesActual : DWORD* 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 PerfEnumerateCounterSetInstances(
    const uint16_t* szMachine,
    void* pCounterSetId,
    void* pInstances,
    uint32_t cbInstances,
    uint32_t* pcbInstancesActual);
C, "ADVAPI32.dll");
// $ffi->PerfEnumerateCounterSetInstances(szMachine, pCounterSetId, pInstances, cbInstances, pcbInstancesActual);
// szMachine : LPCWSTR optional
// pCounterSetId : GUID*
// pInstances : PERF_INSTANCE_HEADER* optional, out
// cbInstances : DWORD
// pcbInstancesActual : DWORD* 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 Advapi32 extends StdCallLibrary {
    Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class);
    int PerfEnumerateCounterSetInstances(
        WString szMachine,   // LPCWSTR optional
        Pointer pCounterSetId,   // GUID*
        Pointer pInstances,   // PERF_INSTANCE_HEADER* optional, out
        int cbInstances,   // DWORD
        IntByReference pcbInstancesActual   // DWORD* out
    );
}

@[Link("advapi32")]
lib LibADVAPI32
  fun PerfEnumerateCounterSetInstances = PerfEnumerateCounterSetInstances(
    szMachine : UInt16*,   # LPCWSTR optional
    pCounterSetId : GUID*,   # GUID*
    pInstances : PERF_INSTANCE_HEADER*,   # PERF_INSTANCE_HEADER* optional, out
    cbInstances : UInt32,   # DWORD
    pcbInstancesActual : UInt32*   # DWORD* 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 PerfEnumerateCounterSetInstancesNative = Uint32 Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef PerfEnumerateCounterSetInstancesDart = int Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>, int, Pointer<Uint32>);
final PerfEnumerateCounterSetInstances = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<PerfEnumerateCounterSetInstancesNative, PerfEnumerateCounterSetInstancesDart>('PerfEnumerateCounterSetInstances');
// szMachine : LPCWSTR optional -> Pointer<Utf16>
// pCounterSetId : GUID* -> Pointer<Void>
// pInstances : PERF_INSTANCE_HEADER* optional, out -> Pointer<Void>
// cbInstances : DWORD -> Uint32
// pcbInstancesActual : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PerfEnumerateCounterSetInstances(
  szMachine: PWideChar;   // LPCWSTR optional
  pCounterSetId: PGUID;   // GUID*
  pInstances: Pointer;   // PERF_INSTANCE_HEADER* optional, out
  cbInstances: DWORD;   // DWORD
  pcbInstancesActual: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'PerfEnumerateCounterSetInstances';

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

foreign import stdcall safe "PerfEnumerateCounterSetInstances"
  c_PerfEnumerateCounterSetInstances :: CWString -> Ptr () -> Ptr () -> Word32 -> Ptr Word32 -> IO Word32
-- szMachine : LPCWSTR optional -> CWString
-- pCounterSetId : GUID* -> Ptr ()
-- pInstances : PERF_INSTANCE_HEADER* optional, out -> Ptr ()
-- cbInstances : DWORD -> Word32
-- pcbInstancesActual : DWORD* out -> Ptr 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 perfenumeratecountersetinstances =
  foreign "PerfEnumerateCounterSetInstances"
    ((ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning uint32_t)
(* szMachine : LPCWSTR optional -> (ptr uint16_t) *)
(* pCounterSetId : GUID* -> (ptr void) *)
(* pInstances : PERF_INSTANCE_HEADER* optional, out -> (ptr void) *)
(* cbInstances : DWORD -> uint32_t *)
(* pcbInstancesActual : DWORD* out -> (ptr 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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("PerfEnumerateCounterSetInstances" perf-enumerate-counter-set-instances :convention :stdcall) :uint32
  (sz-machine (:string :encoding :utf-16le))   ; LPCWSTR optional
  (p-counter-set-id :pointer)   ; GUID*
  (p-instances :pointer)   ; PERF_INSTANCE_HEADER* optional, out
  (cb-instances :uint32)   ; DWORD
  (pcb-instances-actual :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PerfEnumerateCounterSetInstances = Win32::API::More->new('ADVAPI32',
    'DWORD PerfEnumerateCounterSetInstances(LPCWSTR szMachine, LPVOID pCounterSetId, LPVOID pInstances, DWORD cbInstances, LPVOID pcbInstancesActual)');
# my $ret = $PerfEnumerateCounterSetInstances->Call($szMachine, $pCounterSetId, $pInstances, $cbInstances, $pcbInstancesActual);
# szMachine : LPCWSTR optional -> LPCWSTR
# pCounterSetId : GUID* -> LPVOID
# pInstances : PERF_INSTANCE_HEADER* optional, out -> LPVOID
# cbInstances : DWORD -> DWORD
# pcbInstancesActual : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。