PerfQueryCounterInfo

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

DWORD PerfQueryCounterInfo(
    HANDLE hQuery,
    PERF_COUNTER_IDENTIFIER* pCounters,   // optional
    DWORD cbCounters,
    DWORD* pcbCountersActual
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function PerfQueryCounterInfo(
    hQuery As IntPtr,   ' HANDLE
    pCounters As IntPtr,   ' PERF_COUNTER_IDENTIFIER* optional, out
    cbCounters As UInteger,   ' DWORD
    <Out> ByRef pcbCountersActual As UInteger   ' DWORD* out
) As UInteger
End Function

' hQuery : HANDLE
' pCounters : PERF_COUNTER_IDENTIFIER* optional, out
' cbCounters : DWORD
' pcbCountersActual : DWORD* out
Declare PtrSafe Function PerfQueryCounterInfo Lib "advapi32" ( _
    ByVal hQuery As LongPtr, _
    ByVal pCounters As LongPtr, _
    ByVal cbCounters As Long, _
    ByRef pcbCountersActual 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

PerfQueryCounterInfo = ctypes.windll.advapi32.PerfQueryCounterInfo
PerfQueryCounterInfo.restype = wintypes.DWORD
PerfQueryCounterInfo.argtypes = [
    wintypes.HANDLE,  # hQuery : HANDLE
    ctypes.c_void_p,  # pCounters : PERF_COUNTER_IDENTIFIER* optional, out
    wintypes.DWORD,  # cbCounters : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbCountersActual : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
PerfQueryCounterInfo = Fiddle::Function.new(
  lib['PerfQueryCounterInfo'],
  [
    Fiddle::TYPE_VOIDP,  # hQuery : HANDLE
    Fiddle::TYPE_VOIDP,  # pCounters : PERF_COUNTER_IDENTIFIER* optional, out
    -Fiddle::TYPE_INT,  # cbCounters : DWORD
    Fiddle::TYPE_VOIDP,  # pcbCountersActual : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn PerfQueryCounterInfo(
        hQuery: *mut core::ffi::c_void,  // HANDLE
        pCounters: *mut PERF_COUNTER_IDENTIFIER,  // PERF_COUNTER_IDENTIFIER* optional, out
        cbCounters: u32,  // DWORD
        pcbCountersActual: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint PerfQueryCounterInfo(IntPtr hQuery, IntPtr pCounters, uint cbCounters, out uint pcbCountersActual);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_PerfQueryCounterInfo' -Namespace Win32 -PassThru
# $api::PerfQueryCounterInfo(hQuery, pCounters, cbCounters, pcbCountersActual)

#uselib "ADVAPI32.dll"
#func global PerfQueryCounterInfo "PerfQueryCounterInfo" sptr, sptr, sptr, sptr
; PerfQueryCounterInfo hQuery, varptr(pCounters), cbCounters, varptr(pcbCountersActual)   ; 戻り値は stat
; hQuery : HANDLE -> "sptr"
; pCounters : PERF_COUNTER_IDENTIFIER* optional, out -> "sptr"
; cbCounters : DWORD -> "sptr"
; pcbCountersActual : 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。

#uselib "ADVAPI32.dll"
#cfunc global PerfQueryCounterInfo "PerfQueryCounterInfo" sptr, var, int, var
; res = PerfQueryCounterInfo(hQuery, pCounters, cbCounters, pcbCountersActual)
; hQuery : HANDLE -> "sptr"
; pCounters : PERF_COUNTER_IDENTIFIER* optional, out -> "var"
; cbCounters : DWORD -> "int"
; pcbCountersActual : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD PerfQueryCounterInfo(HANDLE hQuery, PERF_COUNTER_IDENTIFIER* pCounters, DWORD cbCounters, DWORD* pcbCountersActual)
#uselib "ADVAPI32.dll"
#cfunc global PerfQueryCounterInfo "PerfQueryCounterInfo" intptr, var, int, var
; res = PerfQueryCounterInfo(hQuery, pCounters, cbCounters, pcbCountersActual)
; hQuery : HANDLE -> "intptr"
; pCounters : PERF_COUNTER_IDENTIFIER* optional, out -> "var"
; cbCounters : DWORD -> "int"
; pcbCountersActual : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procPerfQueryCounterInfo = advapi32.NewProc("PerfQueryCounterInfo")
)

// hQuery (HANDLE), pCounters (PERF_COUNTER_IDENTIFIER* optional, out), cbCounters (DWORD), pcbCountersActual (DWORD* out)
r1, _, err := procPerfQueryCounterInfo.Call(
	uintptr(hQuery),
	uintptr(pCounters),
	uintptr(cbCounters),
	uintptr(pcbCountersActual),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PerfQueryCounterInfo(
  hQuery: THandle;   // HANDLE
  pCounters: Pointer;   // PERF_COUNTER_IDENTIFIER* optional, out
  cbCounters: DWORD;   // DWORD
  pcbCountersActual: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'PerfQueryCounterInfo';

result := DllCall("ADVAPI32\PerfQueryCounterInfo"
    , "Ptr", hQuery   ; HANDLE
    , "Ptr", pCounters   ; PERF_COUNTER_IDENTIFIER* optional, out
    , "UInt", cbCounters   ; DWORD
    , "Ptr", pcbCountersActual   ; DWORD* out
    , "UInt")   ; return: DWORD

●PerfQueryCounterInfo(hQuery, pCounters, cbCounters, pcbCountersActual) = DLL("ADVAPI32.dll", "dword PerfQueryCounterInfo(void*, void*, dword, void*)")
# 呼び出し: PerfQueryCounterInfo(hQuery, pCounters, cbCounters, pcbCountersActual)
# hQuery : HANDLE -> "void*"
# pCounters : PERF_COUNTER_IDENTIFIER* optional, out -> "void*"
# cbCounters : DWORD -> "dword"
# pcbCountersActual : 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)。