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WaitOnAddress
関数指定アドレスの値が変化するまでスレッドを待機させる。
シグネチャ
// api-ms-win-core-synch-l1-2-0.dll
#include <windows.h>
BOOL WaitOnAddress(
void* Address,
void* CompareAddress,
UINT_PTR AddressSize,
DWORD dwMilliseconds // optional
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| Address | void* | in |
| CompareAddress | void* | in |
| AddressSize | UINT_PTR | in |
| dwMilliseconds | DWORD | inoptional |
戻り値の型: BOOL
各言語での呼び出し定義
// api-ms-win-core-synch-l1-2-0.dll
#include <windows.h>
BOOL WaitOnAddress(
void* Address,
void* CompareAddress,
UINT_PTR AddressSize,
DWORD dwMilliseconds // optional
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-synch-l1-2-0.dll", SetLastError = true, ExactSpelling = true)]
static extern bool WaitOnAddress(
IntPtr Address, // void*
IntPtr CompareAddress, // void*
UIntPtr AddressSize, // UINT_PTR
uint dwMilliseconds // DWORD optional
);<DllImport("api-ms-win-core-synch-l1-2-0.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WaitOnAddress(
Address As IntPtr, ' void*
CompareAddress As IntPtr, ' void*
AddressSize As UIntPtr, ' UINT_PTR
dwMilliseconds As UInteger ' DWORD optional
) As Boolean
End Function' Address : void*
' CompareAddress : void*
' AddressSize : UINT_PTR
' dwMilliseconds : DWORD optional
Declare PtrSafe Function WaitOnAddress Lib "api-ms-win-core-synch-l1-2-0" ( _
ByVal Address As LongPtr, _
ByVal CompareAddress As LongPtr, _
ByVal AddressSize 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
WaitOnAddress = ctypes.windll.LoadLibrary("api-ms-win-core-synch-l1-2-0.dll").WaitOnAddress
WaitOnAddress.restype = wintypes.BOOL
WaitOnAddress.argtypes = [
ctypes.POINTER(None), # Address : void*
ctypes.POINTER(None), # CompareAddress : void*
ctypes.c_size_t, # AddressSize : UINT_PTR
wintypes.DWORD, # dwMilliseconds : DWORD optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('api-ms-win-core-synch-l1-2-0.dll')
WaitOnAddress = Fiddle::Function.new(
lib['WaitOnAddress'],
[
Fiddle::TYPE_VOIDP, # Address : void*
Fiddle::TYPE_VOIDP, # CompareAddress : void*
Fiddle::TYPE_UINTPTR_T, # AddressSize : UINT_PTR
-Fiddle::TYPE_INT, # dwMilliseconds : DWORD optional
],
Fiddle::TYPE_INT)#[link(name = "api-ms-win-core-synch-l1-2-0")]
extern "system" {
fn WaitOnAddress(
Address: *mut (), // void*
CompareAddress: *mut (), // void*
AddressSize: usize, // UINT_PTR
dwMilliseconds: u32 // DWORD optional
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-synch-l1-2-0.dll", SetLastError = true)]
public static extern bool WaitOnAddress(IntPtr Address, IntPtr CompareAddress, UIntPtr AddressSize, uint dwMilliseconds);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-synch-l1-2-0_WaitOnAddress' -Namespace Win32 -PassThru
# $api::WaitOnAddress(Address, CompareAddress, AddressSize, dwMilliseconds)#uselib "api-ms-win-core-synch-l1-2-0.dll"
#func global WaitOnAddress "WaitOnAddress" sptr, sptr, sptr, sptr
; WaitOnAddress Address, CompareAddress, AddressSize, dwMilliseconds ; 戻り値は stat
; Address : void* -> "sptr"
; CompareAddress : void* -> "sptr"
; AddressSize : UINT_PTR -> "sptr"
; dwMilliseconds : DWORD 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 "api-ms-win-core-synch-l1-2-0.dll"
#cfunc global WaitOnAddress "WaitOnAddress" sptr, sptr, sptr, int
; res = WaitOnAddress(Address, CompareAddress, AddressSize, dwMilliseconds)
; Address : void* -> "sptr"
; CompareAddress : void* -> "sptr"
; AddressSize : UINT_PTR -> "sptr"
; dwMilliseconds : DWORD optional -> "int"; BOOL WaitOnAddress(void* Address, void* CompareAddress, UINT_PTR AddressSize, DWORD dwMilliseconds)
#uselib "api-ms-win-core-synch-l1-2-0.dll"
#cfunc global WaitOnAddress "WaitOnAddress" intptr, intptr, intptr, int
; res = WaitOnAddress(Address, CompareAddress, AddressSize, dwMilliseconds)
; Address : void* -> "intptr"
; CompareAddress : void* -> "intptr"
; AddressSize : UINT_PTR -> "intptr"
; dwMilliseconds : DWORD optional -> "int"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
api_ms_win_core_synch_l1_2_0 = windows.NewLazySystemDLL("api-ms-win-core-synch-l1-2-0.dll")
procWaitOnAddress = api_ms_win_core_synch_l1_2_0.NewProc("WaitOnAddress")
)
// Address (void*), CompareAddress (void*), AddressSize (UINT_PTR), dwMilliseconds (DWORD optional)
r1, _, err := procWaitOnAddress.Call(
uintptr(Address),
uintptr(CompareAddress),
uintptr(AddressSize),
uintptr(dwMilliseconds),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction WaitOnAddress(
Address: Pointer; // void*
CompareAddress: Pointer; // void*
AddressSize: NativeUInt; // UINT_PTR
dwMilliseconds: DWORD // DWORD optional
): BOOL; stdcall;
external 'api-ms-win-core-synch-l1-2-0.dll' name 'WaitOnAddress';result := DllCall("api-ms-win-core-synch-l1-2-0\WaitOnAddress"
, "Ptr", Address ; void*
, "Ptr", CompareAddress ; void*
, "UPtr", AddressSize ; UINT_PTR
, "UInt", dwMilliseconds ; DWORD optional
, "Int") ; return: BOOL●WaitOnAddress(Address, CompareAddress, AddressSize, dwMilliseconds) = DLL("api-ms-win-core-synch-l1-2-0.dll", "bool WaitOnAddress(void*, void*, int, dword)")
# 呼び出し: WaitOnAddress(Address, CompareAddress, AddressSize, dwMilliseconds)
# Address : void* -> "void*"
# CompareAddress : void* -> "void*"
# AddressSize : UINT_PTR -> "int"
# dwMilliseconds : DWORD optional -> "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)。