GetThreadId

関数

スレッドハンドルからスレッドIDを取得する。

DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows Vista 以降

シグネチャ

// KERNEL32.dll
#include <windows.h>

DWORD GetThreadId(
    HANDLE Thread
);

パラメーター

名前	型	方向
Thread	HANDLE	in

戻り値の型: DWORD

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

DWORD GetThreadId(
    HANDLE Thread
);

[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern uint GetThreadId(
    IntPtr Thread   // HANDLE
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetThreadId(
    Thread As IntPtr   ' HANDLE
) As UInteger
End Function

' Thread : HANDLE
Declare PtrSafe Function GetThreadId Lib "kernel32" ( _
    ByVal Thread 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

GetThreadId = ctypes.windll.kernel32.GetThreadId
GetThreadId.restype = wintypes.DWORD
GetThreadId.argtypes = [
    wintypes.HANDLE,  # Thread : HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetThreadId = Fiddle::Function.new(
  lib['GetThreadId'],
  [
    Fiddle::TYPE_VOIDP,  # Thread : HANDLE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetThreadId(
        Thread: *mut core::ffi::c_void  // HANDLE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern uint GetThreadId(IntPtr Thread);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetThreadId' -Namespace Win32 -PassThru
# $api::GetThreadId(Thread)

#uselib "KERNEL32.dll"
#func global GetThreadId "GetThreadId" sptr
; GetThreadId Thread   ; 戻り値は stat
; Thread : HANDLE -> "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 GetThreadId "GetThreadId" sptr
; res = GetThreadId(Thread)
; Thread : HANDLE -> "sptr"

; DWORD GetThreadId(HANDLE Thread)
#uselib "KERNEL32.dll"
#cfunc global GetThreadId "GetThreadId" intptr
; res = GetThreadId(Thread)
; Thread : HANDLE -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetThreadId = kernel32.NewProc("GetThreadId")
)

// Thread (HANDLE)
r1, _, err := procGetThreadId.Call(
	uintptr(Thread),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetThreadId(
  Thread: THandle   // HANDLE
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetThreadId';

result := DllCall("KERNEL32\GetThreadId"
    , "Ptr", Thread   ; HANDLE
    , "UInt")   ; return: DWORD

●GetThreadId(Thread) = DLL("KERNEL32.dll", "dword GetThreadId(void*)")
# 呼び出し: GetThreadId(Thread)
# Thread : HANDLE -> "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)。