Win32 API 日本語リファレンス
ホームSystem.Performance › PerfStartProviderEx

PerfStartProviderEx

関数
コンテキストを指定してパフォーマンスカウンタプロバイダを開始する。
DLLADVAPI32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD PerfStartProviderEx(
    GUID* ProviderGuid,
    PERF_PROVIDER_CONTEXT* ProviderContext,   // optional
    HANDLE* Provider
);

パラメーター

名前方向
ProviderGuidGUID*in
ProviderContextPERF_PROVIDER_CONTEXT*inoptional
ProviderHANDLE*out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PerfStartProviderEx(
    GUID* ProviderGuid,
    PERF_PROVIDER_CONTEXT* ProviderContext,   // optional
    HANDLE* Provider
);
[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint PerfStartProviderEx(
    ref Guid ProviderGuid,   // GUID*
    IntPtr ProviderContext,   // PERF_PROVIDER_CONTEXT* optional
    IntPtr Provider   // HANDLE* out
);
<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function PerfStartProviderEx(
    ByRef ProviderGuid As Guid,   ' GUID*
    ProviderContext As IntPtr,   ' PERF_PROVIDER_CONTEXT* optional
    Provider As IntPtr   ' HANDLE* out
) As UInteger
End Function
' ProviderGuid : GUID*
' ProviderContext : PERF_PROVIDER_CONTEXT* optional
' Provider : HANDLE* out
Declare PtrSafe Function PerfStartProviderEx Lib "advapi32" ( _
    ByVal ProviderGuid As LongPtr, _
    ByVal ProviderContext As LongPtr, _
    ByVal Provider 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

PerfStartProviderEx = ctypes.windll.advapi32.PerfStartProviderEx
PerfStartProviderEx.restype = wintypes.DWORD
PerfStartProviderEx.argtypes = [
    ctypes.c_void_p,  # ProviderGuid : GUID*
    ctypes.c_void_p,  # ProviderContext : PERF_PROVIDER_CONTEXT* optional
    ctypes.c_void_p,  # Provider : HANDLE* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
PerfStartProviderEx = Fiddle::Function.new(
  lib['PerfStartProviderEx'],
  [
    Fiddle::TYPE_VOIDP,  # ProviderGuid : GUID*
    Fiddle::TYPE_VOIDP,  # ProviderContext : PERF_PROVIDER_CONTEXT* optional
    Fiddle::TYPE_VOIDP,  # Provider : HANDLE* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "advapi32")]
extern "system" {
    fn PerfStartProviderEx(
        ProviderGuid: *mut GUID,  // GUID*
        ProviderContext: *mut PERF_PROVIDER_CONTEXT,  // PERF_PROVIDER_CONTEXT* optional
        Provider: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint PerfStartProviderEx(ref Guid ProviderGuid, IntPtr ProviderContext, IntPtr Provider);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_PerfStartProviderEx' -Namespace Win32 -PassThru
# $api::PerfStartProviderEx(ProviderGuid, ProviderContext, Provider)
#uselib "ADVAPI32.dll"
#func global PerfStartProviderEx "PerfStartProviderEx" sptr, sptr, sptr
; PerfStartProviderEx varptr(ProviderGuid), varptr(ProviderContext), Provider   ; 戻り値は stat
; ProviderGuid : GUID* -> "sptr"
; ProviderContext : PERF_PROVIDER_CONTEXT* optional -> "sptr"
; Provider : HANDLE* 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。
出力引数:
#uselib "ADVAPI32.dll"
#cfunc global PerfStartProviderEx "PerfStartProviderEx" var, var, sptr
; res = PerfStartProviderEx(ProviderGuid, ProviderContext, Provider)
; ProviderGuid : GUID* -> "var"
; ProviderContext : PERF_PROVIDER_CONTEXT* optional -> "var"
; Provider : HANDLE* out -> "sptr"
; ※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。
出力引数:
; DWORD PerfStartProviderEx(GUID* ProviderGuid, PERF_PROVIDER_CONTEXT* ProviderContext, HANDLE* Provider)
#uselib "ADVAPI32.dll"
#cfunc global PerfStartProviderEx "PerfStartProviderEx" var, var, intptr
; res = PerfStartProviderEx(ProviderGuid, ProviderContext, Provider)
; ProviderGuid : GUID* -> "var"
; ProviderContext : PERF_PROVIDER_CONTEXT* optional -> "var"
; Provider : HANDLE* out -> "intptr"
; ※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")
	procPerfStartProviderEx = advapi32.NewProc("PerfStartProviderEx")
)

// ProviderGuid (GUID*), ProviderContext (PERF_PROVIDER_CONTEXT* optional), Provider (HANDLE* out)
r1, _, err := procPerfStartProviderEx.Call(
	uintptr(ProviderGuid),
	uintptr(ProviderContext),
	uintptr(Provider),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function PerfStartProviderEx(
  ProviderGuid: PGUID;   // GUID*
  ProviderContext: Pointer;   // PERF_PROVIDER_CONTEXT* optional
  Provider: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'PerfStartProviderEx';
result := DllCall("ADVAPI32\PerfStartProviderEx"
    , "Ptr", ProviderGuid   ; GUID*
    , "Ptr", ProviderContext   ; PERF_PROVIDER_CONTEXT* optional
    , "Ptr", Provider   ; HANDLE* out
    , "UInt")   ; return: DWORD
●PerfStartProviderEx(ProviderGuid, ProviderContext, Provider) = DLL("ADVAPI32.dll", "dword PerfStartProviderEx(void*, void*, void*)")
# 呼び出し: PerfStartProviderEx(ProviderGuid, ProviderContext, Provider)
# ProviderGuid : GUID* -> "void*"
# ProviderContext : PERF_PROVIDER_CONTEXT* optional -> "void*"
# Provider : HANDLE* 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)。