ホーム › System.Services › UnlockServiceDatabase

UnlockServiceDatabase

関数

ロックしたSCMデータベースのロックを解除する。

DLLADVAPI32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOL UnlockServiceDatabase(
    void* ScLock
);

パラメーター

名前	型	方向
ScLock	void*	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL UnlockServiceDatabase(
    void* ScLock
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool UnlockServiceDatabase(
    IntPtr ScLock   // void*
);

<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function UnlockServiceDatabase(
    ScLock As IntPtr   ' void*
) As Boolean
End Function

' ScLock : void*
Declare PtrSafe Function UnlockServiceDatabase Lib "advapi32" ( _
    ByVal ScLock 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

UnlockServiceDatabase = ctypes.windll.advapi32.UnlockServiceDatabase
UnlockServiceDatabase.restype = wintypes.BOOL
UnlockServiceDatabase.argtypes = [
    ctypes.POINTER(None),  # ScLock : void*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
UnlockServiceDatabase = Fiddle::Function.new(
  lib['UnlockServiceDatabase'],
  [
    Fiddle::TYPE_VOIDP,  # ScLock : void*
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn UnlockServiceDatabase(
        ScLock: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool UnlockServiceDatabase(IntPtr ScLock);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_UnlockServiceDatabase' -Namespace Win32 -PassThru
# $api::UnlockServiceDatabase(ScLock)

#uselib "ADVAPI32.dll"
#func global UnlockServiceDatabase "UnlockServiceDatabase" sptr
; UnlockServiceDatabase ScLock   ; 戻り値は stat
; ScLock : void* -> "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。

#uselib "ADVAPI32.dll"
#cfunc global UnlockServiceDatabase "UnlockServiceDatabase" sptr
; res = UnlockServiceDatabase(ScLock)
; ScLock : void* -> "sptr"

; BOOL UnlockServiceDatabase(void* ScLock)
#uselib "ADVAPI32.dll"
#cfunc global UnlockServiceDatabase "UnlockServiceDatabase" intptr
; res = UnlockServiceDatabase(ScLock)
; ScLock : void* -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procUnlockServiceDatabase = advapi32.NewProc("UnlockServiceDatabase")
)

// ScLock (void*)
r1, _, err := procUnlockServiceDatabase.Call(
	uintptr(ScLock),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function UnlockServiceDatabase(
  ScLock: Pointer   // void*
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'UnlockServiceDatabase';

result := DllCall("ADVAPI32\UnlockServiceDatabase"
    , "Ptr", ScLock   ; void*
    , "Int")   ; return: BOOL

●UnlockServiceDatabase(ScLock) = DLL("ADVAPI32.dll", "bool UnlockServiceDatabase(void*)")
# 呼び出し: UnlockServiceDatabase(ScLock)
# ScLock : void* -> "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)。