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

PerfDecrementULongCounterValue

関数
ULong型カウンターの値を指定量だけ減少させる。
DLLADVAPI32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD PerfDecrementULongCounterValue(
    HANDLE Provider,
    PERF_COUNTERSET_INSTANCE* Instance,
    DWORD CounterId,
    DWORD Value
);

パラメーター

名前方向
ProviderHANDLEin
InstancePERF_COUNTERSET_INSTANCE*inout
CounterIdDWORDin
ValueDWORDin

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PerfDecrementULongCounterValue(
    HANDLE Provider,
    PERF_COUNTERSET_INSTANCE* Instance,
    DWORD CounterId,
    DWORD Value
);
[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint PerfDecrementULongCounterValue(
    IntPtr Provider,   // HANDLE
    IntPtr Instance,   // PERF_COUNTERSET_INSTANCE* in/out
    uint CounterId,   // DWORD
    uint Value   // DWORD
);
<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function PerfDecrementULongCounterValue(
    Provider As IntPtr,   ' HANDLE
    Instance As IntPtr,   ' PERF_COUNTERSET_INSTANCE* in/out
    CounterId As UInteger,   ' DWORD
    Value As UInteger   ' DWORD
) As UInteger
End Function
' Provider : HANDLE
' Instance : PERF_COUNTERSET_INSTANCE* in/out
' CounterId : DWORD
' Value : DWORD
Declare PtrSafe Function PerfDecrementULongCounterValue Lib "advapi32" ( _
    ByVal Provider As LongPtr, _
    ByVal Instance As LongPtr, _
    ByVal CounterId As Long, _
    ByVal Value 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

PerfDecrementULongCounterValue = ctypes.windll.advapi32.PerfDecrementULongCounterValue
PerfDecrementULongCounterValue.restype = wintypes.DWORD
PerfDecrementULongCounterValue.argtypes = [
    wintypes.HANDLE,  # Provider : HANDLE
    ctypes.c_void_p,  # Instance : PERF_COUNTERSET_INSTANCE* in/out
    wintypes.DWORD,  # CounterId : DWORD
    wintypes.DWORD,  # Value : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
PerfDecrementULongCounterValue = Fiddle::Function.new(
  lib['PerfDecrementULongCounterValue'],
  [
    Fiddle::TYPE_VOIDP,  # Provider : HANDLE
    Fiddle::TYPE_VOIDP,  # Instance : PERF_COUNTERSET_INSTANCE* in/out
    -Fiddle::TYPE_INT,  # CounterId : DWORD
    -Fiddle::TYPE_INT,  # Value : DWORD
  ],
  -Fiddle::TYPE_INT)
#[link(name = "advapi32")]
extern "system" {
    fn PerfDecrementULongCounterValue(
        Provider: *mut core::ffi::c_void,  // HANDLE
        Instance: *mut PERF_COUNTERSET_INSTANCE,  // PERF_COUNTERSET_INSTANCE* in/out
        CounterId: u32,  // DWORD
        Value: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint PerfDecrementULongCounterValue(IntPtr Provider, IntPtr Instance, uint CounterId, uint Value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_PerfDecrementULongCounterValue' -Namespace Win32 -PassThru
# $api::PerfDecrementULongCounterValue(Provider, Instance, CounterId, Value)
#uselib "ADVAPI32.dll"
#func global PerfDecrementULongCounterValue "PerfDecrementULongCounterValue" sptr, sptr, sptr, sptr
; PerfDecrementULongCounterValue Provider, varptr(Instance), CounterId, Value   ; 戻り値は stat
; Provider : HANDLE -> "sptr"
; Instance : PERF_COUNTERSET_INSTANCE* in/out -> "sptr"
; CounterId : DWORD -> "sptr"
; Value : 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 PerfDecrementULongCounterValue "PerfDecrementULongCounterValue" sptr, var, int, int
; res = PerfDecrementULongCounterValue(Provider, Instance, CounterId, Value)
; Provider : HANDLE -> "sptr"
; Instance : PERF_COUNTERSET_INSTANCE* in/out -> "var"
; CounterId : DWORD -> "int"
; Value : 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。
出力引数:
; DWORD PerfDecrementULongCounterValue(HANDLE Provider, PERF_COUNTERSET_INSTANCE* Instance, DWORD CounterId, DWORD Value)
#uselib "ADVAPI32.dll"
#cfunc global PerfDecrementULongCounterValue "PerfDecrementULongCounterValue" intptr, var, int, int
; res = PerfDecrementULongCounterValue(Provider, Instance, CounterId, Value)
; Provider : HANDLE -> "intptr"
; Instance : PERF_COUNTERSET_INSTANCE* in/out -> "var"
; CounterId : DWORD -> "int"
; Value : 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procPerfDecrementULongCounterValue = advapi32.NewProc("PerfDecrementULongCounterValue")
)

// Provider (HANDLE), Instance (PERF_COUNTERSET_INSTANCE* in/out), CounterId (DWORD), Value (DWORD)
r1, _, err := procPerfDecrementULongCounterValue.Call(
	uintptr(Provider),
	uintptr(Instance),
	uintptr(CounterId),
	uintptr(Value),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function PerfDecrementULongCounterValue(
  Provider: THandle;   // HANDLE
  Instance: Pointer;   // PERF_COUNTERSET_INSTANCE* in/out
  CounterId: DWORD;   // DWORD
  Value: DWORD   // DWORD
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'PerfDecrementULongCounterValue';
result := DllCall("ADVAPI32\PerfDecrementULongCounterValue"
    , "Ptr", Provider   ; HANDLE
    , "Ptr", Instance   ; PERF_COUNTERSET_INSTANCE* in/out
    , "UInt", CounterId   ; DWORD
    , "UInt", Value   ; DWORD
    , "UInt")   ; return: DWORD
●PerfDecrementULongCounterValue(Provider, Instance, CounterId, Value) = DLL("ADVAPI32.dll", "dword PerfDecrementULongCounterValue(void*, void*, dword, dword)")
# 呼び出し: PerfDecrementULongCounterValue(Provider, Instance, CounterId, Value)
# Provider : HANDLE -> "void*"
# Instance : PERF_COUNTERSET_INSTANCE* in/out -> "void*"
# CounterId : DWORD -> "dword"
# Value : 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)。