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JetDefragment3W
関数データベース名指定でオンライン最適化を実行する(Unicode版)。
シグネチャ
// ESENT.dll (Unicode / -W)
#include <windows.h>
INT JetDefragment3W(
JET_SESID sesid,
WORD* szDatabaseName,
WORD* szTableName, // optional
DWORD* pcPasses, // optional
DWORD* pcSeconds, // optional
JET_CALLBACK callback,
void* pvContext,
DWORD grbit
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| sesid | JET_SESID | in | オンライン最適化を行うセッションのJET_SESIDハンドル。 |
| szDatabaseName | WORD* | in | 最適化対象データベースのパスを指す終端付きUnicode文字列ポインタ。 |
| szTableName | WORD* | inoptional | 最適化対象テーブル名を指す終端付きUnicode文字列ポインタ。NULLで全テーブル対象となる。 |
| pcPasses | DWORD* | inoutoptional | 最大パス数を入出力で受け渡すポインタ。完了時に実行済み回数が返る。NULL可。 |
| pcSeconds | DWORD* | inoutoptional | 最大秒数を入出力で受け渡すポインタ。完了時に経過秒数が返る。NULL可。 |
| callback | JET_CALLBACK | in | 最適化の完了通知を受け取るコールバック関数(JET_CALLBACK)。NULL可。 |
| pvContext | void* | in | callbackに渡されるユーザー定義コンテキストポインタ。NULL可。 |
| grbit | DWORD | in | 最適化動作を制御するビットフラグ。バッチ開始/停止などを指定する。 |
戻り値の型: INT
各言語での呼び出し定義
// ESENT.dll (Unicode / -W)
#include <windows.h>
INT JetDefragment3W(
JET_SESID sesid,
WORD* szDatabaseName,
WORD* szTableName, // optional
DWORD* pcPasses, // optional
DWORD* pcSeconds, // optional
JET_CALLBACK callback,
void* pvContext,
DWORD grbit
);[DllImport("ESENT.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int JetDefragment3W(
UIntPtr sesid, // JET_SESID
ref ushort szDatabaseName, // WORD*
IntPtr szTableName, // WORD* optional
IntPtr pcPasses, // DWORD* optional, in/out
IntPtr pcSeconds, // DWORD* optional, in/out
IntPtr callback, // JET_CALLBACK
IntPtr pvContext, // void*
uint grbit // DWORD
);<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetDefragment3W(
sesid As UIntPtr, ' JET_SESID
ByRef szDatabaseName As UShort, ' WORD*
szTableName As IntPtr, ' WORD* optional
pcPasses As IntPtr, ' DWORD* optional, in/out
pcSeconds As IntPtr, ' DWORD* optional, in/out
callback As IntPtr, ' JET_CALLBACK
pvContext As IntPtr, ' void*
grbit As UInteger ' DWORD
) As Integer
End Function' sesid : JET_SESID
' szDatabaseName : WORD*
' szTableName : WORD* optional
' pcPasses : DWORD* optional, in/out
' pcSeconds : DWORD* optional, in/out
' callback : JET_CALLBACK
' pvContext : void*
' grbit : DWORD
Declare PtrSafe Function JetDefragment3W Lib "esent" ( _
ByVal sesid As LongPtr, _
ByRef szDatabaseName As Integer, _
ByVal szTableName As LongPtr, _
ByVal pcPasses As LongPtr, _
ByVal pcSeconds As LongPtr, _
ByVal callback As LongPtr, _
ByVal pvContext As LongPtr, _
ByVal grbit As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
JetDefragment3W = ctypes.windll.esent.JetDefragment3W
JetDefragment3W.restype = ctypes.c_int
JetDefragment3W.argtypes = [
ctypes.c_size_t, # sesid : JET_SESID
ctypes.POINTER(ctypes.c_ushort), # szDatabaseName : WORD*
ctypes.POINTER(ctypes.c_ushort), # szTableName : WORD* optional
ctypes.POINTER(wintypes.DWORD), # pcPasses : DWORD* optional, in/out
ctypes.POINTER(wintypes.DWORD), # pcSeconds : DWORD* optional, in/out
ctypes.c_void_p, # callback : JET_CALLBACK
ctypes.POINTER(None), # pvContext : void*
wintypes.DWORD, # grbit : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ESENT.dll')
JetDefragment3W = Fiddle::Function.new(
lib['JetDefragment3W'],
[
Fiddle::TYPE_UINTPTR_T, # sesid : JET_SESID
Fiddle::TYPE_VOIDP, # szDatabaseName : WORD*
Fiddle::TYPE_VOIDP, # szTableName : WORD* optional
Fiddle::TYPE_VOIDP, # pcPasses : DWORD* optional, in/out
Fiddle::TYPE_VOIDP, # pcSeconds : DWORD* optional, in/out
Fiddle::TYPE_VOIDP, # callback : JET_CALLBACK
Fiddle::TYPE_VOIDP, # pvContext : void*
-Fiddle::TYPE_INT, # grbit : DWORD
],
Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "esent")]
extern "system" {
fn JetDefragment3W(
sesid: usize, // JET_SESID
szDatabaseName: *mut u16, // WORD*
szTableName: *mut u16, // WORD* optional
pcPasses: *mut u32, // DWORD* optional, in/out
pcSeconds: *mut u32, // DWORD* optional, in/out
callback: *const core::ffi::c_void, // JET_CALLBACK
pvContext: *mut (), // void*
grbit: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetDefragment3W(UIntPtr sesid, ref ushort szDatabaseName, IntPtr szTableName, IntPtr pcPasses, IntPtr pcSeconds, IntPtr callback, IntPtr pvContext, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetDefragment3W' -Namespace Win32 -PassThru
# $api::JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)#uselib "ESENT.dll"
#func global JetDefragment3W "JetDefragment3W" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; JetDefragment3W sesid, varptr(szDatabaseName), varptr(szTableName), varptr(pcPasses), varptr(pcSeconds), callback, pvContext, grbit ; 戻り値は stat
; sesid : JET_SESID -> "wptr"
; szDatabaseName : WORD* -> "wptr"
; szTableName : WORD* optional -> "wptr"
; pcPasses : DWORD* optional, in/out -> "wptr"
; pcSeconds : DWORD* optional, in/out -> "wptr"
; callback : JET_CALLBACK -> "wptr"
; pvContext : void* -> "wptr"
; grbit : DWORD -> "wptr"
; ※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 "ESENT.dll" #cfunc global JetDefragment3W "JetDefragment3W" sptr, var, var, var, var, sptr, sptr, int ; res = JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit) ; sesid : JET_SESID -> "sptr" ; szDatabaseName : WORD* -> "var" ; szTableName : WORD* optional -> "var" ; pcPasses : DWORD* optional, in/out -> "var" ; pcSeconds : DWORD* optional, in/out -> "var" ; callback : JET_CALLBACK -> "sptr" ; pvContext : void* -> "sptr" ; grbit : 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 "ESENT.dll" #cfunc global JetDefragment3W "JetDefragment3W" sptr, sptr, sptr, sptr, sptr, sptr, sptr, int ; res = JetDefragment3W(sesid, varptr(szDatabaseName), varptr(szTableName), varptr(pcPasses), varptr(pcSeconds), callback, pvContext, grbit) ; sesid : JET_SESID -> "sptr" ; szDatabaseName : WORD* -> "sptr" ; szTableName : WORD* optional -> "sptr" ; pcPasses : DWORD* optional, in/out -> "sptr" ; pcSeconds : DWORD* optional, in/out -> "sptr" ; callback : JET_CALLBACK -> "sptr" ; pvContext : void* -> "sptr" ; grbit : 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:
; INT JetDefragment3W(JET_SESID sesid, WORD* szDatabaseName, WORD* szTableName, DWORD* pcPasses, DWORD* pcSeconds, JET_CALLBACK callback, void* pvContext, DWORD grbit) #uselib "ESENT.dll" #cfunc global JetDefragment3W "JetDefragment3W" intptr, var, var, var, var, intptr, intptr, int ; res = JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit) ; sesid : JET_SESID -> "intptr" ; szDatabaseName : WORD* -> "var" ; szTableName : WORD* optional -> "var" ; pcPasses : DWORD* optional, in/out -> "var" ; pcSeconds : DWORD* optional, in/out -> "var" ; callback : JET_CALLBACK -> "intptr" ; pvContext : void* -> "intptr" ; grbit : 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。; INT JetDefragment3W(JET_SESID sesid, WORD* szDatabaseName, WORD* szTableName, DWORD* pcPasses, DWORD* pcSeconds, JET_CALLBACK callback, void* pvContext, DWORD grbit) #uselib "ESENT.dll" #cfunc global JetDefragment3W "JetDefragment3W" intptr, intptr, intptr, intptr, intptr, intptr, intptr, int ; res = JetDefragment3W(sesid, varptr(szDatabaseName), varptr(szTableName), varptr(pcPasses), varptr(pcSeconds), callback, pvContext, grbit) ; sesid : JET_SESID -> "intptr" ; szDatabaseName : WORD* -> "intptr" ; szTableName : WORD* optional -> "intptr" ; pcPasses : DWORD* optional, in/out -> "intptr" ; pcSeconds : DWORD* optional, in/out -> "intptr" ; callback : JET_CALLBACK -> "intptr" ; pvContext : void* -> "intptr" ; grbit : 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 (
esent = windows.NewLazySystemDLL("ESENT.dll")
procJetDefragment3W = esent.NewProc("JetDefragment3W")
)
// sesid (JET_SESID), szDatabaseName (WORD*), szTableName (WORD* optional), pcPasses (DWORD* optional, in/out), pcSeconds (DWORD* optional, in/out), callback (JET_CALLBACK), pvContext (void*), grbit (DWORD)
r1, _, err := procJetDefragment3W.Call(
uintptr(sesid),
uintptr(szDatabaseName),
uintptr(szTableName),
uintptr(pcPasses),
uintptr(pcSeconds),
uintptr(callback),
uintptr(pvContext),
uintptr(grbit),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction JetDefragment3W(
sesid: NativeUInt; // JET_SESID
szDatabaseName: Pointer; // WORD*
szTableName: Pointer; // WORD* optional
pcPasses: Pointer; // DWORD* optional, in/out
pcSeconds: Pointer; // DWORD* optional, in/out
callback: Pointer; // JET_CALLBACK
pvContext: Pointer; // void*
grbit: DWORD // DWORD
): Integer; stdcall;
external 'ESENT.dll' name 'JetDefragment3W';result := DllCall("ESENT\JetDefragment3W"
, "UPtr", sesid ; JET_SESID
, "Ptr", szDatabaseName ; WORD*
, "Ptr", szTableName ; WORD* optional
, "Ptr", pcPasses ; DWORD* optional, in/out
, "Ptr", pcSeconds ; DWORD* optional, in/out
, "Ptr", callback ; JET_CALLBACK
, "Ptr", pvContext ; void*
, "UInt", grbit ; DWORD
, "Int") ; return: INT●JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit) = DLL("ESENT.dll", "int JetDefragment3W(int, void*, void*, void*, void*, void*, void*, dword)")
# 呼び出し: JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
# sesid : JET_SESID -> "int"
# szDatabaseName : WORD* -> "void*"
# szTableName : WORD* optional -> "void*"
# pcPasses : DWORD* optional, in/out -> "void*"
# pcSeconds : DWORD* optional, in/out -> "void*"
# callback : JET_CALLBACK -> "void*"
# pvContext : void* -> "void*"
# grbit : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。const std = @import("std");
extern "esent" fn JetDefragment3W(
sesid: usize, // JET_SESID
szDatabaseName: [*c]u16, // WORD*
szTableName: [*c]u16, // WORD* optional
pcPasses: [*c]u32, // DWORD* optional, in/out
pcSeconds: [*c]u32, // DWORD* optional, in/out
callback: ?*anyopaque, // JET_CALLBACK
pvContext: ?*anyopaque, // void*
grbit: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。proc JetDefragment3W(
sesid: uint, # JET_SESID
szDatabaseName: ptr uint16, # WORD*
szTableName: ptr uint16, # WORD* optional
pcPasses: ptr uint32, # DWORD* optional, in/out
pcSeconds: ptr uint32, # DWORD* optional, in/out
callback: pointer, # JET_CALLBACK
pvContext: pointer, # void*
grbit: uint32 # DWORD
): int32 {.importc: "JetDefragment3W", stdcall, dynlib: "ESENT.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。pragma(lib, "esent");
extern(Windows)
int JetDefragment3W(
size_t sesid, // JET_SESID
ushort* szDatabaseName, // WORD*
ushort* szTableName, // WORD* optional
uint* pcPasses, // DWORD* optional, in/out
uint* pcSeconds, // DWORD* optional, in/out
void* callback, // JET_CALLBACK
void* pvContext, // void*
uint grbit // DWORD
);ccall((:JetDefragment3W, "ESENT.dll"), stdcall, Int32,
(Csize_t, Ptr{UInt16}, Ptr{UInt16}, Ptr{UInt32}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{Cvoid}, UInt32),
sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
# sesid : JET_SESID -> Csize_t
# szDatabaseName : WORD* -> Ptr{UInt16}
# szTableName : WORD* optional -> Ptr{UInt16}
# pcPasses : DWORD* optional, in/out -> Ptr{UInt32}
# pcSeconds : DWORD* optional, in/out -> Ptr{UInt32}
# callback : JET_CALLBACK -> Ptr{Cvoid}
# pvContext : void* -> Ptr{Cvoid}
# grbit : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。local ffi = require("ffi")
ffi.cdef[[
int32_t JetDefragment3W(
uintptr_t sesid,
uint16_t* szDatabaseName,
uint16_t* szTableName,
uint32_t* pcPasses,
uint32_t* pcSeconds,
void* callback,
void* pvContext,
uint32_t grbit);
]]
local esent = ffi.load("esent")
-- esent.JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
-- sesid : JET_SESID
-- szDatabaseName : WORD*
-- szTableName : WORD* optional
-- pcPasses : DWORD* optional, in/out
-- pcSeconds : DWORD* optional, in/out
-- callback : JET_CALLBACK
-- pvContext : void*
-- grbit : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。const koffi = require('koffi');
const lib = koffi.load('ESENT.dll');
const JetDefragment3W = lib.func('__stdcall', 'JetDefragment3W', 'int32_t', ['uintptr_t', 'uint16_t *', 'uint16_t *', 'uint32_t *', 'uint32_t *', 'void *', 'void *', 'uint32_t']);
// JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
// sesid : JET_SESID -> 'uintptr_t'
// szDatabaseName : WORD* -> 'uint16_t *'
// szTableName : WORD* optional -> 'uint16_t *'
// pcPasses : DWORD* optional, in/out -> 'uint32_t *'
// pcSeconds : DWORD* optional, in/out -> 'uint32_t *'
// callback : JET_CALLBACK -> 'void *'
// pvContext : void* -> 'void *'
// grbit : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。const lib = Deno.dlopen("ESENT.dll", {
JetDefragment3W: { parameters: ["usize", "pointer", "pointer", "pointer", "pointer", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
// sesid : JET_SESID -> "usize"
// szDatabaseName : WORD* -> "pointer"
// szTableName : WORD* optional -> "pointer"
// pcPasses : DWORD* optional, in/out -> "pointer"
// pcSeconds : DWORD* optional, in/out -> "pointer"
// callback : JET_CALLBACK -> "pointer"
// pvContext : void* -> "pointer"
// grbit : DWORD -> "u32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t JetDefragment3W(
size_t sesid,
uint16_t* szDatabaseName,
uint16_t* szTableName,
uint32_t* pcPasses,
uint32_t* pcSeconds,
void* callback,
void* pvContext,
uint32_t grbit);
C, "ESENT.dll");
// $ffi->JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit);
// sesid : JET_SESID
// szDatabaseName : WORD*
// szTableName : WORD* optional
// pcPasses : DWORD* optional, in/out
// pcSeconds : DWORD* optional, in/out
// callback : JET_CALLBACK
// pvContext : void*
// grbit : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Esent extends StdCallLibrary {
Esent INSTANCE = Native.load("esent", Esent.class, W32APIOptions.UNICODE_OPTIONS);
int JetDefragment3W(
long sesid, // JET_SESID
ShortByReference szDatabaseName, // WORD*
ShortByReference szTableName, // WORD* optional
IntByReference pcPasses, // DWORD* optional, in/out
IntByReference pcSeconds, // DWORD* optional, in/out
Callback callback, // JET_CALLBACK
Pointer pvContext, // void*
int grbit // DWORD
);
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。@[Link("esent")]
lib LibESENT
fun JetDefragment3W = JetDefragment3W(
sesid : LibC::SizeT, # JET_SESID
szDatabaseName : UInt16*, # WORD*
szTableName : UInt16*, # WORD* optional
pcPasses : UInt32*, # DWORD* optional, in/out
pcSeconds : UInt32*, # DWORD* optional, in/out
callback : Void*, # JET_CALLBACK
pvContext : Void*, # void*
grbit : UInt32 # DWORD
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef JetDefragment3WNative = Int32 Function(UintPtr, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>, Pointer<Void>, Uint32);
typedef JetDefragment3WDart = int Function(int, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>, Pointer<Void>, int);
final JetDefragment3W = DynamicLibrary.open('ESENT.dll')
.lookupFunction<JetDefragment3WNative, JetDefragment3WDart>('JetDefragment3W');
// sesid : JET_SESID -> UintPtr
// szDatabaseName : WORD* -> Pointer<Uint16>
// szTableName : WORD* optional -> Pointer<Uint16>
// pcPasses : DWORD* optional, in/out -> Pointer<Uint32>
// pcSeconds : DWORD* optional, in/out -> Pointer<Uint32>
// callback : JET_CALLBACK -> Pointer<Void>
// pvContext : void* -> Pointer<Void>
// grbit : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function JetDefragment3W(
sesid: NativeUInt; // JET_SESID
szDatabaseName: Pointer; // WORD*
szTableName: Pointer; // WORD* optional
pcPasses: Pointer; // DWORD* optional, in/out
pcSeconds: Pointer; // DWORD* optional, in/out
callback: Pointer; // JET_CALLBACK
pvContext: Pointer; // void*
grbit: DWORD // DWORD
): Integer; stdcall;
external 'ESENT.dll' name 'JetDefragment3W';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "JetDefragment3W"
c_JetDefragment3W :: CUIntPtr -> Ptr Word16 -> Ptr Word16 -> Ptr Word32 -> Ptr Word32 -> Ptr () -> Ptr () -> Word32 -> IO Int32
-- sesid : JET_SESID -> CUIntPtr
-- szDatabaseName : WORD* -> Ptr Word16
-- szTableName : WORD* optional -> Ptr Word16
-- pcPasses : DWORD* optional, in/out -> Ptr Word32
-- pcSeconds : DWORD* optional, in/out -> Ptr Word32
-- callback : JET_CALLBACK -> Ptr ()
-- pvContext : void* -> Ptr ()
-- grbit : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let jetdefragment3w =
foreign "JetDefragment3W"
(size_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* sesid : JET_SESID -> size_t *)
(* szDatabaseName : WORD* -> (ptr uint16_t) *)
(* szTableName : WORD* optional -> (ptr uint16_t) *)
(* pcPasses : DWORD* optional, in/out -> (ptr uint32_t) *)
(* pcSeconds : DWORD* optional, in/out -> (ptr uint32_t) *)
(* callback : JET_CALLBACK -> (ptr void) *)
(* pvContext : void* -> (ptr void) *)
(* grbit : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library esent (t "ESENT.dll"))
(cffi:use-foreign-library esent)
(cffi:defcfun ("JetDefragment3W" jet-defragment3-w :convention :stdcall) :int32
(sesid :uint64) ; JET_SESID
(sz-database-name :pointer) ; WORD*
(sz-table-name :pointer) ; WORD* optional
(pc-passes :pointer) ; DWORD* optional, in/out
(pc-seconds :pointer) ; DWORD* optional, in/out
(callback :pointer) ; JET_CALLBACK
(pv-context :pointer) ; void*
(grbit :uint32)) ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $JetDefragment3W = Win32::API::More->new('ESENT',
'int JetDefragment3W(WPARAM sesid, LPVOID szDatabaseName, LPVOID szTableName, LPVOID pcPasses, LPVOID pcSeconds, LPVOID callback, LPVOID pvContext, DWORD grbit)');
# my $ret = $JetDefragment3W->Call($sesid, $szDatabaseName, $szTableName, $pcPasses, $pcSeconds, $callback, $pvContext, $grbit);
# sesid : JET_SESID -> WPARAM
# szDatabaseName : WORD* -> LPVOID
# szTableName : WORD* optional -> LPVOID
# pcPasses : DWORD* optional, in/out -> LPVOID
# pcSeconds : DWORD* optional, in/out -> LPVOID
# callback : JET_CALLBACK -> LPVOID
# pvContext : void* -> LPVOID
# grbit : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。関連項目
文字セット違い
- f JetDefragment3A (ANSI版) — データベース名指定でオンライン最適化を実行する(ANSI版)。
類似 API
- f JetDefragment2W — コールバック付きでオンライン最適化を実行する(Unicode版)。
- f JetDefragmentW — テーブルやデータベースをオンラインで最適化する(Unicode版)。
使用する型