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CryptCloseAsyncHandle

関数

非同期暗号操作用のハンドルを閉じる。

DLLCRYPT32.dll呼出規約winapi

シグネチャ

// CRYPT32.dll
#include <windows.h>

BOOL CryptCloseAsyncHandle(
    HCRYPTASYNC hAsync   // optional
);

パラメーター

名前	型	方向
hAsync	HCRYPTASYNC	inoptional

戻り値の型: BOOL

各言語での呼び出し定義

// CRYPT32.dll
#include <windows.h>

BOOL CryptCloseAsyncHandle(
    HCRYPTASYNC hAsync   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", ExactSpelling = true)]
static extern bool CryptCloseAsyncHandle(
    IntPtr hAsync   // HCRYPTASYNC optional
);

<DllImport("CRYPT32.dll", ExactSpelling:=True)>
Public Shared Function CryptCloseAsyncHandle(
    hAsync As IntPtr   ' HCRYPTASYNC optional
) As Boolean
End Function

' hAsync : HCRYPTASYNC optional
Declare PtrSafe Function CryptCloseAsyncHandle Lib "crypt32" ( _
    ByVal hAsync 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

CryptCloseAsyncHandle = ctypes.windll.crypt32.CryptCloseAsyncHandle
CryptCloseAsyncHandle.restype = wintypes.BOOL
CryptCloseAsyncHandle.argtypes = [
    ctypes.c_ssize_t,  # hAsync : HCRYPTASYNC optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptCloseAsyncHandle = Fiddle::Function.new(
  lib['CryptCloseAsyncHandle'],
  [
    Fiddle::TYPE_INTPTR_T,  # hAsync : HCRYPTASYNC optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptCloseAsyncHandle(
        hAsync: isize  // HCRYPTASYNC optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll")]
public static extern bool CryptCloseAsyncHandle(IntPtr hAsync);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptCloseAsyncHandle' -Namespace Win32 -PassThru
# $api::CryptCloseAsyncHandle(hAsync)

#uselib "CRYPT32.dll"
#func global CryptCloseAsyncHandle "CryptCloseAsyncHandle" sptr
; CryptCloseAsyncHandle hAsync   ; 戻り値は stat
; hAsync : HCRYPTASYNC optional -> "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 "CRYPT32.dll"
#cfunc global CryptCloseAsyncHandle "CryptCloseAsyncHandle" sptr
; res = CryptCloseAsyncHandle(hAsync)
; hAsync : HCRYPTASYNC optional -> "sptr"

; BOOL CryptCloseAsyncHandle(HCRYPTASYNC hAsync)
#uselib "CRYPT32.dll"
#cfunc global CryptCloseAsyncHandle "CryptCloseAsyncHandle" intptr
; res = CryptCloseAsyncHandle(hAsync)
; hAsync : HCRYPTASYNC optional -> "intptr"

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

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCryptCloseAsyncHandle = crypt32.NewProc("CryptCloseAsyncHandle")
)

// hAsync (HCRYPTASYNC optional)
r1, _, err := procCryptCloseAsyncHandle.Call(
	uintptr(hAsync),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptCloseAsyncHandle(
  hAsync: NativeInt   // HCRYPTASYNC optional
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptCloseAsyncHandle';

result := DllCall("CRYPT32\CryptCloseAsyncHandle"
    , "Ptr", hAsync   ; HCRYPTASYNC optional
    , "Int")   ; return: BOOL

●CryptCloseAsyncHandle(hAsync) = DLL("CRYPT32.dll", "bool CryptCloseAsyncHandle(int)")
# 呼び出し: CryptCloseAsyncHandle(hAsync)
# hAsync : HCRYPTASYNC optional -> "int"
# 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)。