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PrepareEnlistment

関数

KTMエンリストメントのプリペアフェーズを応答する。

DLLktmw32.dll呼出規約winapiSetLastErrorあり対応OSWindows Vista 以降

シグネチャ

// ktmw32.dll
#include <windows.h>

BOOL PrepareEnlistment(
    HANDLE EnlistmentHandle,
    LONGLONG* TmVirtualClock
);

パラメーター

名前	型	方向	説明
EnlistmentHandle	HANDLE	in	プリペア通知を要求する登録オブジェクトのハンドル。トランザクション参加者を指す。
TmVirtualClock	LONGLONG*	inout	トランザクションマネージャの仮想クロック値を受け渡すポインタ。NULL可で、不要なら指定しなくてよい。

戻り値の型: BOOL

各言語での呼び出し定義

// ktmw32.dll
#include <windows.h>

BOOL PrepareEnlistment(
    HANDLE EnlistmentHandle,
    LONGLONG* TmVirtualClock
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ktmw32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool PrepareEnlistment(
    IntPtr EnlistmentHandle,   // HANDLE
    ref long TmVirtualClock   // LONGLONG* in/out
);

<DllImport("ktmw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PrepareEnlistment(
    EnlistmentHandle As IntPtr,   ' HANDLE
    ByRef TmVirtualClock As Long   ' LONGLONG* in/out
) As Boolean
End Function

' EnlistmentHandle : HANDLE
' TmVirtualClock : LONGLONG* in/out
Declare PtrSafe Function PrepareEnlistment Lib "ktmw32" ( _
    ByVal EnlistmentHandle As LongPtr, _
    ByRef TmVirtualClock As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PrepareEnlistment = ctypes.windll.ktmw32.PrepareEnlistment
PrepareEnlistment.restype = wintypes.BOOL
PrepareEnlistment.argtypes = [
    wintypes.HANDLE,  # EnlistmentHandle : HANDLE
    ctypes.POINTER(ctypes.c_longlong),  # TmVirtualClock : LONGLONG* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ktmw32.dll')
PrepareEnlistment = Fiddle::Function.new(
  lib['PrepareEnlistment'],
  [
    Fiddle::TYPE_VOIDP,  # EnlistmentHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # TmVirtualClock : LONGLONG* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ktmw32")]
extern "system" {
    fn PrepareEnlistment(
        EnlistmentHandle: *mut core::ffi::c_void,  // HANDLE
        TmVirtualClock: *mut i64  // LONGLONG* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ktmw32.dll", SetLastError = true)]
public static extern bool PrepareEnlistment(IntPtr EnlistmentHandle, ref long TmVirtualClock);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ktmw32_PrepareEnlistment' -Namespace Win32 -PassThru
# $api::PrepareEnlistment(EnlistmentHandle, TmVirtualClock)

#uselib "ktmw32.dll"
#func global PrepareEnlistment "PrepareEnlistment" sptr, sptr
; PrepareEnlistment EnlistmentHandle, varptr(TmVirtualClock)   ; 戻り値は stat
; EnlistmentHandle : HANDLE -> "sptr"
; TmVirtualClock : LONGLONG* in/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 "ktmw32.dll"
#cfunc global PrepareEnlistment "PrepareEnlistment" sptr, var
; res = PrepareEnlistment(EnlistmentHandle, TmVirtualClock)
; EnlistmentHandle : HANDLE -> "sptr"
; TmVirtualClock : LONGLONG* in/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。#uselib "ktmw32.dll"
#cfunc global PrepareEnlistment "PrepareEnlistment" sptr, sptr
; res = PrepareEnlistment(EnlistmentHandle, varptr(TmVirtualClock))
; EnlistmentHandle : HANDLE -> "sptr"
; TmVirtualClock : LONGLONG* in/out -> "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:

; BOOL PrepareEnlistment(HANDLE EnlistmentHandle, LONGLONG* TmVirtualClock)
#uselib "ktmw32.dll"
#cfunc global PrepareEnlistment "PrepareEnlistment" intptr, var
; res = PrepareEnlistment(EnlistmentHandle, TmVirtualClock)
; EnlistmentHandle : HANDLE -> "intptr"
; TmVirtualClock : LONGLONG* in/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。; BOOL PrepareEnlistment(HANDLE EnlistmentHandle, LONGLONG* TmVirtualClock)
#uselib "ktmw32.dll"
#cfunc global PrepareEnlistment "PrepareEnlistment" intptr, intptr
; res = PrepareEnlistment(EnlistmentHandle, varptr(TmVirtualClock))
; EnlistmentHandle : HANDLE -> "intptr"
; TmVirtualClock : LONGLONG* in/out -> "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 (
	ktmw32 = windows.NewLazySystemDLL("ktmw32.dll")
	procPrepareEnlistment = ktmw32.NewProc("PrepareEnlistment")
)

// EnlistmentHandle (HANDLE), TmVirtualClock (LONGLONG* in/out)
r1, _, err := procPrepareEnlistment.Call(
	uintptr(EnlistmentHandle),
	uintptr(TmVirtualClock),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PrepareEnlistment(
  EnlistmentHandle: THandle;   // HANDLE
  TmVirtualClock: Pointer   // LONGLONG* in/out
): BOOL; stdcall;
  external 'ktmw32.dll' name 'PrepareEnlistment';

result := DllCall("ktmw32\PrepareEnlistment"
    , "Ptr", EnlistmentHandle   ; HANDLE
    , "Ptr", TmVirtualClock   ; LONGLONG* in/out
    , "Int")   ; return: BOOL

●PrepareEnlistment(EnlistmentHandle, TmVirtualClock) = DLL("ktmw32.dll", "bool PrepareEnlistment(void*, void*)")
# 呼び出し: PrepareEnlistment(EnlistmentHandle, TmVirtualClock)
# EnlistmentHandle : HANDLE -> "void*"
# TmVirtualClock : LONGLONG* in/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)。