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ProcessTraceBufferDecrementReference

関数

処理中のトレースバッファの参照カウントを減少させる。

DLLADVAPI32.dll呼出規約winapi

シグネチャ

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

DWORD ProcessTraceBufferDecrementReference(
    const ETW_BUFFER_HEADER* Buffer
);

パラメーター

名前	型	方向
Buffer	ETW_BUFFER_HEADER*	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD ProcessTraceBufferDecrementReference(
    const ETW_BUFFER_HEADER* Buffer
);

[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint ProcessTraceBufferDecrementReference(
    IntPtr Buffer   // ETW_BUFFER_HEADER*
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function ProcessTraceBufferDecrementReference(
    Buffer As IntPtr   ' ETW_BUFFER_HEADER*
) As UInteger
End Function

' Buffer : ETW_BUFFER_HEADER*
Declare PtrSafe Function ProcessTraceBufferDecrementReference Lib "advapi32" ( _
    ByVal Buffer 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

ProcessTraceBufferDecrementReference = ctypes.windll.advapi32.ProcessTraceBufferDecrementReference
ProcessTraceBufferDecrementReference.restype = wintypes.DWORD
ProcessTraceBufferDecrementReference.argtypes = [
    ctypes.c_void_p,  # Buffer : ETW_BUFFER_HEADER*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
ProcessTraceBufferDecrementReference = Fiddle::Function.new(
  lib['ProcessTraceBufferDecrementReference'],
  [
    Fiddle::TYPE_VOIDP,  # Buffer : ETW_BUFFER_HEADER*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn ProcessTraceBufferDecrementReference(
        Buffer: *const ETW_BUFFER_HEADER  // ETW_BUFFER_HEADER*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint ProcessTraceBufferDecrementReference(IntPtr Buffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_ProcessTraceBufferDecrementReference' -Namespace Win32 -PassThru
# $api::ProcessTraceBufferDecrementReference(Buffer)

#uselib "ADVAPI32.dll"
#func global ProcessTraceBufferDecrementReference "ProcessTraceBufferDecrementReference" sptr
; ProcessTraceBufferDecrementReference varptr(Buffer)   ; 戻り値は stat
; Buffer : ETW_BUFFER_HEADER* -> "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 ProcessTraceBufferDecrementReference "ProcessTraceBufferDecrementReference" var
; res = ProcessTraceBufferDecrementReference(Buffer)
; Buffer : ETW_BUFFER_HEADER* -> "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。#uselib "ADVAPI32.dll"
#cfunc global ProcessTraceBufferDecrementReference "ProcessTraceBufferDecrementReference" sptr
; res = ProcessTraceBufferDecrementReference(varptr(Buffer))
; Buffer : ETW_BUFFER_HEADER* -> "sptr"
; ※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:

; DWORD ProcessTraceBufferDecrementReference(ETW_BUFFER_HEADER* Buffer)
#uselib "ADVAPI32.dll"
#cfunc global ProcessTraceBufferDecrementReference "ProcessTraceBufferDecrementReference" var
; res = ProcessTraceBufferDecrementReference(Buffer)
; Buffer : ETW_BUFFER_HEADER* -> "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 ProcessTraceBufferDecrementReference(ETW_BUFFER_HEADER* Buffer)
#uselib "ADVAPI32.dll"
#cfunc global ProcessTraceBufferDecrementReference "ProcessTraceBufferDecrementReference" intptr
; res = ProcessTraceBufferDecrementReference(varptr(Buffer))
; Buffer : ETW_BUFFER_HEADER* -> "intptr"
; ※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")
	procProcessTraceBufferDecrementReference = advapi32.NewProc("ProcessTraceBufferDecrementReference")
)

// Buffer (ETW_BUFFER_HEADER*)
r1, _, err := procProcessTraceBufferDecrementReference.Call(
	uintptr(Buffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ProcessTraceBufferDecrementReference(
  Buffer: Pointer   // ETW_BUFFER_HEADER*
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'ProcessTraceBufferDecrementReference';

result := DllCall("ADVAPI32\ProcessTraceBufferDecrementReference"
    , "Ptr", Buffer   ; ETW_BUFFER_HEADER*
    , "UInt")   ; return: DWORD

●ProcessTraceBufferDecrementReference(Buffer) = DLL("ADVAPI32.dll", "dword ProcessTraceBufferDecrementReference(void*)")
# 呼び出し: ProcessTraceBufferDecrementReference(Buffer)
# Buffer : ETW_BUFFER_HEADER* -> "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)。