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IsNestedVirtualizationEnabled

関数
ネスト仮想化が有効かどうかを判定する。
DLLVmSavedStateDumpProvider.dll呼出規約winapi

シグネチャ

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

HRESULT IsNestedVirtualizationEnabled(
    void* vmSavedStateDumpHandle,
    BOOL* enabled
);

パラメーター

名前方向説明
vmSavedStateDumpHandlevoid*inout対象の保存状態ダンプハンドルを指定する。
enabledBOOL*outネステッド仮想化が有効かをTRUE/FALSEで受け取る出力ポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT IsNestedVirtualizationEnabled(
    void* vmSavedStateDumpHandle,
    BOOL* enabled
);
[DllImport("VmSavedStateDumpProvider.dll", ExactSpelling = true)]
static extern int IsNestedVirtualizationEnabled(
    IntPtr vmSavedStateDumpHandle,   // void* in/out
    out bool enabled   // BOOL* out
);
<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function IsNestedVirtualizationEnabled(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    <Out> ByRef enabled As Boolean   ' BOOL* out
) As Integer
End Function
' vmSavedStateDumpHandle : void* in/out
' enabled : BOOL* out
Declare PtrSafe Function IsNestedVirtualizationEnabled Lib "vmsavedstatedumpprovider" ( _
    ByVal vmSavedStateDumpHandle As LongPtr, _
    ByRef enabled 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

IsNestedVirtualizationEnabled = ctypes.windll.vmsavedstatedumpprovider.IsNestedVirtualizationEnabled
IsNestedVirtualizationEnabled.restype = ctypes.c_int
IsNestedVirtualizationEnabled.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    ctypes.c_void_p,  # enabled : BOOL* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
IsNestedVirtualizationEnabled = Fiddle::Function.new(
  lib['IsNestedVirtualizationEnabled'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    Fiddle::TYPE_VOIDP,  # enabled : BOOL* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn IsNestedVirtualizationEnabled(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        enabled: *mut i32  // BOOL* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int IsNestedVirtualizationEnabled(IntPtr vmSavedStateDumpHandle, out bool enabled);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_IsNestedVirtualizationEnabled' -Namespace Win32 -PassThru
# $api::IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled)
#uselib "VmSavedStateDumpProvider.dll"
#func global IsNestedVirtualizationEnabled "IsNestedVirtualizationEnabled" sptr, sptr
; IsNestedVirtualizationEnabled vmSavedStateDumpHandle, varptr(enabled)   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; enabled : BOOL* 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 "VmSavedStateDumpProvider.dll"
#cfunc global IsNestedVirtualizationEnabled "IsNestedVirtualizationEnabled" sptr, var
; res = IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled)
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; enabled : BOOL* 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。
出力引数:
; HRESULT IsNestedVirtualizationEnabled(void* vmSavedStateDumpHandle, BOOL* enabled)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global IsNestedVirtualizationEnabled "IsNestedVirtualizationEnabled" intptr, var
; res = IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled)
; vmSavedStateDumpHandle : void* in/out -> "intptr"
; enabled : BOOL* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procIsNestedVirtualizationEnabled = vmsavedstatedumpprovider.NewProc("IsNestedVirtualizationEnabled")
)

// vmSavedStateDumpHandle (void* in/out), enabled (BOOL* out)
r1, _, err := procIsNestedVirtualizationEnabled.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(enabled),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function IsNestedVirtualizationEnabled(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  enabled: Pointer   // BOOL* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'IsNestedVirtualizationEnabled';
result := DllCall("VmSavedStateDumpProvider\IsNestedVirtualizationEnabled"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "Ptr", enabled   ; BOOL* out
    , "Int")   ; return: HRESULT
●IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled) = DLL("VmSavedStateDumpProvider.dll", "int IsNestedVirtualizationEnabled(void*, void*)")
# 呼び出し: IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# enabled : BOOL* 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)。
const std = @import("std");

extern "vmsavedstatedumpprovider" fn IsNestedVirtualizationEnabled(
    vmSavedStateDumpHandle: ?*anyopaque, // void* in/out
    enabled: [*c]i32 // BOOL* out
) callconv(std.os.windows.WINAPI) i32;
proc IsNestedVirtualizationEnabled(
    vmSavedStateDumpHandle: pointer,  # void* in/out
    enabled: ptr int32  # BOOL* out
): int32 {.importc: "IsNestedVirtualizationEnabled", stdcall, dynlib: "VmSavedStateDumpProvider.dll".}
pragma(lib, "vmsavedstatedumpprovider");
extern(Windows)
int IsNestedVirtualizationEnabled(
    void* vmSavedStateDumpHandle,   // void* in/out
    int* enabled   // BOOL* out
);
ccall((:IsNestedVirtualizationEnabled, "VmSavedStateDumpProvider.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Int32}),
      vmSavedStateDumpHandle, enabled)
# vmSavedStateDumpHandle : void* in/out -> Ptr{Cvoid}
# enabled : BOOL* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t IsNestedVirtualizationEnabled(
    void* vmSavedStateDumpHandle,
    int32_t* enabled);
]]
local vmsavedstatedumpprovider = ffi.load("vmsavedstatedumpprovider")
-- vmsavedstatedumpprovider.IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled)
-- vmSavedStateDumpHandle : void* in/out
-- enabled : BOOL* out
-- 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。
const koffi = require('koffi');
const lib = koffi.load('VmSavedStateDumpProvider.dll');
const IsNestedVirtualizationEnabled = lib.func('__stdcall', 'IsNestedVirtualizationEnabled', 'int32_t', ['void *', 'int32_t *']);
// IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled)
// vmSavedStateDumpHandle : void* in/out -> 'void *'
// enabled : BOOL* out -> 'int32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("VmSavedStateDumpProvider.dll", {
  IsNestedVirtualizationEnabled: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled)
// vmSavedStateDumpHandle : void* in/out -> "pointer"
// enabled : BOOL* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t IsNestedVirtualizationEnabled(
    void* vmSavedStateDumpHandle,
    int32_t* enabled);
C, "VmSavedStateDumpProvider.dll");
// $ffi->IsNestedVirtualizationEnabled(vmSavedStateDumpHandle, enabled);
// vmSavedStateDumpHandle : void* in/out
// enabled : BOOL* out
// 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 Vmsavedstatedumpprovider extends StdCallLibrary {
    Vmsavedstatedumpprovider INSTANCE = Native.load("vmsavedstatedumpprovider", Vmsavedstatedumpprovider.class);
    int IsNestedVirtualizationEnabled(
        Pointer vmSavedStateDumpHandle,   // void* in/out
        IntByReference enabled   // BOOL* out
    );
}
@[Link("vmsavedstatedumpprovider")]
lib LibVmSavedStateDumpProvider
  fun IsNestedVirtualizationEnabled = IsNestedVirtualizationEnabled(
    vmSavedStateDumpHandle : Void*,   # void* in/out
    enabled : Int32*   # BOOL* out
  ) : 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 IsNestedVirtualizationEnabledNative = Int32 Function(Pointer<Void>, Pointer<Int32>);
typedef IsNestedVirtualizationEnabledDart = int Function(Pointer<Void>, Pointer<Int32>);
final IsNestedVirtualizationEnabled = DynamicLibrary.open('VmSavedStateDumpProvider.dll')
    .lookupFunction<IsNestedVirtualizationEnabledNative, IsNestedVirtualizationEnabledDart>('IsNestedVirtualizationEnabled');
// vmSavedStateDumpHandle : void* in/out -> Pointer<Void>
// enabled : BOOL* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function IsNestedVirtualizationEnabled(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  enabled: Pointer   // BOOL* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'IsNestedVirtualizationEnabled';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "IsNestedVirtualizationEnabled"
  c_IsNestedVirtualizationEnabled :: Ptr () -> Ptr CInt -> IO Int32
-- vmSavedStateDumpHandle : void* in/out -> Ptr ()
-- enabled : BOOL* out -> Ptr CInt
-- 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 isnestedvirtualizationenabled =
  foreign "IsNestedVirtualizationEnabled"
    ((ptr void) @-> (ptr int32_t) @-> returning int32_t)
(* vmSavedStateDumpHandle : void* in/out -> (ptr void) *)
(* enabled : BOOL* out -> (ptr int32_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 vmsavedstatedumpprovider (t "VmSavedStateDumpProvider.dll"))
(cffi:use-foreign-library vmsavedstatedumpprovider)

(cffi:defcfun ("IsNestedVirtualizationEnabled" is-nested-virtualization-enabled :convention :stdcall) :int32
  (vm-saved-state-dump-handle :pointer)   ; void* in/out
  (enabled :pointer))   ; BOOL* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $IsNestedVirtualizationEnabled = Win32::API::More->new('VmSavedStateDumpProvider',
    'int IsNestedVirtualizationEnabled(LPVOID vmSavedStateDumpHandle, LPVOID enabled)');
# my $ret = $IsNestedVirtualizationEnabled->Call($vmSavedStateDumpHandle, $enabled);
# vmSavedStateDumpHandle : void* in/out -> LPVOID
# enabled : BOOL* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。