ホーム › System.Performance › PerfCreateInstance
PerfCreateInstance
関数カウンタセットの新しいインスタンスを作成する。
シグネチャ
// ADVAPI32.dll
#include <windows.h>
PERF_COUNTERSET_INSTANCE* PerfCreateInstance(
HANDLE ProviderHandle,
const GUID* CounterSetGuid,
LPCWSTR Name,
DWORD Id
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| ProviderHandle | HANDLE | in |
| CounterSetGuid | GUID* | in |
| Name | LPCWSTR | in |
| Id | DWORD | in |
戻り値の型: PERF_COUNTERSET_INSTANCE*
各言語での呼び出し定義
// ADVAPI32.dll
#include <windows.h>
PERF_COUNTERSET_INSTANCE* PerfCreateInstance(
HANDLE ProviderHandle,
const GUID* CounterSetGuid,
LPCWSTR Name,
DWORD Id
);[DllImport("ADVAPI32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr PerfCreateInstance(
IntPtr ProviderHandle, // HANDLE
ref Guid CounterSetGuid, // GUID*
[MarshalAs(UnmanagedType.LPWStr)] string Name, // LPCWSTR
uint Id // DWORD
);<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PerfCreateInstance(
ProviderHandle As IntPtr, ' HANDLE
ByRef CounterSetGuid As Guid, ' GUID*
<MarshalAs(UnmanagedType.LPWStr)> Name As String, ' LPCWSTR
Id As UInteger ' DWORD
) As IntPtr
End Function' ProviderHandle : HANDLE
' CounterSetGuid : GUID*
' Name : LPCWSTR
' Id : DWORD
Declare PtrSafe Function PerfCreateInstance Lib "advapi32" ( _
ByVal ProviderHandle As LongPtr, _
ByVal CounterSetGuid As LongPtr, _
ByVal Name As LongPtr, _
ByVal Id As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
PerfCreateInstance = ctypes.windll.advapi32.PerfCreateInstance
PerfCreateInstance.restype = ctypes.c_void_p
PerfCreateInstance.argtypes = [
wintypes.HANDLE, # ProviderHandle : HANDLE
ctypes.c_void_p, # CounterSetGuid : GUID*
wintypes.LPCWSTR, # Name : LPCWSTR
wintypes.DWORD, # Id : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ADVAPI32.dll')
PerfCreateInstance = Fiddle::Function.new(
lib['PerfCreateInstance'],
[
Fiddle::TYPE_VOIDP, # ProviderHandle : HANDLE
Fiddle::TYPE_VOIDP, # CounterSetGuid : GUID*
Fiddle::TYPE_VOIDP, # Name : LPCWSTR
-Fiddle::TYPE_INT, # Id : DWORD
],
Fiddle::TYPE_VOIDP)#[link(name = "advapi32")]
extern "system" {
fn PerfCreateInstance(
ProviderHandle: *mut core::ffi::c_void, // HANDLE
CounterSetGuid: *const GUID, // GUID*
Name: *const u16, // LPCWSTR
Id: u32 // DWORD
) -> *mut PERF_COUNTERSET_INSTANCE;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern IntPtr PerfCreateInstance(IntPtr ProviderHandle, ref Guid CounterSetGuid, [MarshalAs(UnmanagedType.LPWStr)] string Name, uint Id);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_PerfCreateInstance' -Namespace Win32 -PassThru
# $api::PerfCreateInstance(ProviderHandle, CounterSetGuid, Name, Id)#uselib "ADVAPI32.dll"
#func global PerfCreateInstance "PerfCreateInstance" sptr, sptr, sptr, sptr
; PerfCreateInstance ProviderHandle, varptr(CounterSetGuid), Name, Id ; 戻り値は stat
; ProviderHandle : HANDLE -> "sptr"
; CounterSetGuid : GUID* -> "sptr"
; Name : LPCWSTR -> "sptr"
; Id : DWORD -> "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。出力引数:
#uselib "ADVAPI32.dll" #cfunc global PerfCreateInstance "PerfCreateInstance" sptr, var, wstr, int ; res = PerfCreateInstance(ProviderHandle, CounterSetGuid, Name, Id) ; ProviderHandle : HANDLE -> "sptr" ; CounterSetGuid : GUID* -> "var" ; Name : LPCWSTR -> "wstr" ; Id : DWORD -> "int" ; ※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。#uselib "ADVAPI32.dll" #cfunc global PerfCreateInstance "PerfCreateInstance" sptr, sptr, wstr, int ; res = PerfCreateInstance(ProviderHandle, varptr(CounterSetGuid), Name, Id) ; ProviderHandle : HANDLE -> "sptr" ; CounterSetGuid : GUID* -> "sptr" ; Name : LPCWSTR -> "wstr" ; Id : DWORD -> "int" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; PERF_COUNTERSET_INSTANCE* PerfCreateInstance(HANDLE ProviderHandle, GUID* CounterSetGuid, LPCWSTR Name, DWORD Id) #uselib "ADVAPI32.dll" #cfunc global PerfCreateInstance "PerfCreateInstance" intptr, var, wstr, int ; res = PerfCreateInstance(ProviderHandle, CounterSetGuid, Name, Id) ; ProviderHandle : HANDLE -> "intptr" ; CounterSetGuid : GUID* -> "var" ; Name : LPCWSTR -> "wstr" ; Id : DWORD -> "int" ; ※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。; PERF_COUNTERSET_INSTANCE* PerfCreateInstance(HANDLE ProviderHandle, GUID* CounterSetGuid, LPCWSTR Name, DWORD Id) #uselib "ADVAPI32.dll" #cfunc global PerfCreateInstance "PerfCreateInstance" intptr, intptr, wstr, int ; res = PerfCreateInstance(ProviderHandle, varptr(CounterSetGuid), Name, Id) ; ProviderHandle : HANDLE -> "intptr" ; CounterSetGuid : GUID* -> "intptr" ; Name : LPCWSTR -> "wstr" ; Id : DWORD -> "int" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
procPerfCreateInstance = advapi32.NewProc("PerfCreateInstance")
)
// ProviderHandle (HANDLE), CounterSetGuid (GUID*), Name (LPCWSTR), Id (DWORD)
r1, _, err := procPerfCreateInstance.Call(
uintptr(ProviderHandle),
uintptr(CounterSetGuid),
uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Name))),
uintptr(Id),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // PERF_COUNTERSET_INSTANCE*function PerfCreateInstance(
ProviderHandle: THandle; // HANDLE
CounterSetGuid: PGUID; // GUID*
Name: PWideChar; // LPCWSTR
Id: DWORD // DWORD
): Pointer; stdcall;
external 'ADVAPI32.dll' name 'PerfCreateInstance';result := DllCall("ADVAPI32\PerfCreateInstance"
, "Ptr", ProviderHandle ; HANDLE
, "Ptr", CounterSetGuid ; GUID*
, "WStr", Name ; LPCWSTR
, "UInt", Id ; DWORD
, "Ptr") ; return: PERF_COUNTERSET_INSTANCE*●PerfCreateInstance(ProviderHandle, CounterSetGuid, Name, Id) = DLL("ADVAPI32.dll", "void* PerfCreateInstance(void*, void*, char*, dword)")
# 呼び出し: PerfCreateInstance(ProviderHandle, CounterSetGuid, Name, Id)
# ProviderHandle : HANDLE -> "void*"
# CounterSetGuid : GUID* -> "void*"
# Name : LPCWSTR -> "char*"
# Id : DWORD -> "dword"
# 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)。