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WaitForSingleObject
関数指定オブジェクトがシグナル状態になるか時間切れまで待機する。
シグネチャ
// KERNEL32.dll
#include <windows.h>
WAIT_EVENT WaitForSingleObject(
HANDLE hHandle,
DWORD dwMilliseconds
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hHandle | HANDLE | in |
| dwMilliseconds | DWORD | in |
戻り値の型: WAIT_EVENT
各言語での呼び出し定義
// KERNEL32.dll
#include <windows.h>
WAIT_EVENT WaitForSingleObject(
HANDLE hHandle,
DWORD dwMilliseconds
);[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern uint WaitForSingleObject(
IntPtr hHandle, // HANDLE
uint dwMilliseconds // DWORD
);<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WaitForSingleObject(
hHandle As IntPtr, ' HANDLE
dwMilliseconds As UInteger ' DWORD
) As UInteger
End Function' hHandle : HANDLE
' dwMilliseconds : DWORD
Declare PtrSafe Function WaitForSingleObject Lib "kernel32" ( _
ByVal hHandle As LongPtr, _
ByVal dwMilliseconds 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
WaitForSingleObject = ctypes.windll.kernel32.WaitForSingleObject
WaitForSingleObject.restype = wintypes.DWORD
WaitForSingleObject.argtypes = [
wintypes.HANDLE, # hHandle : HANDLE
wintypes.DWORD, # dwMilliseconds : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('KERNEL32.dll')
WaitForSingleObject = Fiddle::Function.new(
lib['WaitForSingleObject'],
[
Fiddle::TYPE_VOIDP, # hHandle : HANDLE
-Fiddle::TYPE_INT, # dwMilliseconds : DWORD
],
-Fiddle::TYPE_INT)#[link(name = "kernel32")]
extern "system" {
fn WaitForSingleObject(
hHandle: *mut core::ffi::c_void, // HANDLE
dwMilliseconds: u32 // DWORD
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern uint WaitForSingleObject(IntPtr hHandle, uint dwMilliseconds);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_WaitForSingleObject' -Namespace Win32 -PassThru
# $api::WaitForSingleObject(hHandle, dwMilliseconds)#uselib "KERNEL32.dll"
#func global WaitForSingleObject "WaitForSingleObject" sptr, sptr
; WaitForSingleObject hHandle, dwMilliseconds ; 戻り値は stat
; hHandle : HANDLE -> "sptr"
; dwMilliseconds : DWORD -> "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 "KERNEL32.dll"
#cfunc global WaitForSingleObject "WaitForSingleObject" sptr, int
; res = WaitForSingleObject(hHandle, dwMilliseconds)
; hHandle : HANDLE -> "sptr"
; dwMilliseconds : DWORD -> "int"; WAIT_EVENT WaitForSingleObject(HANDLE hHandle, DWORD dwMilliseconds)
#uselib "KERNEL32.dll"
#cfunc global WaitForSingleObject "WaitForSingleObject" intptr, int
; res = WaitForSingleObject(hHandle, dwMilliseconds)
; hHandle : HANDLE -> "intptr"
; dwMilliseconds : DWORD -> "int"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
procWaitForSingleObject = kernel32.NewProc("WaitForSingleObject")
)
// hHandle (HANDLE), dwMilliseconds (DWORD)
r1, _, err := procWaitForSingleObject.Call(
uintptr(hHandle),
uintptr(dwMilliseconds),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // WAIT_EVENTfunction WaitForSingleObject(
hHandle: THandle; // HANDLE
dwMilliseconds: DWORD // DWORD
): DWORD; stdcall;
external 'KERNEL32.dll' name 'WaitForSingleObject';result := DllCall("KERNEL32\WaitForSingleObject"
, "Ptr", hHandle ; HANDLE
, "UInt", dwMilliseconds ; DWORD
, "UInt") ; return: WAIT_EVENT●WaitForSingleObject(hHandle, dwMilliseconds) = DLL("KERNEL32.dll", "dword WaitForSingleObject(void*, dword)")
# 呼び出し: WaitForSingleObject(hHandle, dwMilliseconds)
# hHandle : HANDLE -> "void*"
# dwMilliseconds : 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)。