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GetNumaProcessorNodeEx

関数

指定プロセッサ番号が属するNUMAノード番号を取得する(拡張版)。

DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows 7 以降

シグネチャ

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

BOOL GetNumaProcessorNodeEx(
    PROCESSOR_NUMBER* Processor,
    WORD* NodeNumber
);

パラメーター

名前	型	方向
Processor	PROCESSOR_NUMBER*	in
NodeNumber	WORD*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GetNumaProcessorNodeEx(
    PROCESSOR_NUMBER* Processor,
    WORD* NodeNumber
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetNumaProcessorNodeEx(
    IntPtr Processor,   // PROCESSOR_NUMBER*
    out ushort NodeNumber   // WORD* out
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetNumaProcessorNodeEx(
    Processor As IntPtr,   ' PROCESSOR_NUMBER*
    <Out> ByRef NodeNumber As UShort   ' WORD* out
) As Boolean
End Function

' Processor : PROCESSOR_NUMBER*
' NodeNumber : WORD* out
Declare PtrSafe Function GetNumaProcessorNodeEx Lib "kernel32" ( _
    ByVal Processor As LongPtr, _
    ByRef NodeNumber As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetNumaProcessorNodeEx = ctypes.windll.kernel32.GetNumaProcessorNodeEx
GetNumaProcessorNodeEx.restype = wintypes.BOOL
GetNumaProcessorNodeEx.argtypes = [
    ctypes.c_void_p,  # Processor : PROCESSOR_NUMBER*
    ctypes.POINTER(ctypes.c_ushort),  # NodeNumber : WORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetNumaProcessorNodeEx = Fiddle::Function.new(
  lib['GetNumaProcessorNodeEx'],
  [
    Fiddle::TYPE_VOIDP,  # Processor : PROCESSOR_NUMBER*
    Fiddle::TYPE_VOIDP,  # NodeNumber : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetNumaProcessorNodeEx(
        Processor: *mut PROCESSOR_NUMBER,  // PROCESSOR_NUMBER*
        NodeNumber: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool GetNumaProcessorNodeEx(IntPtr Processor, out ushort NodeNumber);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetNumaProcessorNodeEx' -Namespace Win32 -PassThru
# $api::GetNumaProcessorNodeEx(Processor, NodeNumber)

#uselib "KERNEL32.dll"
#func global GetNumaProcessorNodeEx "GetNumaProcessorNodeEx" sptr, sptr
; GetNumaProcessorNodeEx varptr(Processor), varptr(NodeNumber)   ; 戻り値は stat
; Processor : PROCESSOR_NUMBER* -> "sptr"
; NodeNumber : WORD* 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 "KERNEL32.dll"
#cfunc global GetNumaProcessorNodeEx "GetNumaProcessorNodeEx" var, var
; res = GetNumaProcessorNodeEx(Processor, NodeNumber)
; Processor : PROCESSOR_NUMBER* -> "var"
; NodeNumber : WORD* 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。#uselib "KERNEL32.dll"
#cfunc global GetNumaProcessorNodeEx "GetNumaProcessorNodeEx" sptr, sptr
; res = GetNumaProcessorNodeEx(varptr(Processor), varptr(NodeNumber))
; Processor : PROCESSOR_NUMBER* -> "sptr"
; NodeNumber : WORD* out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL GetNumaProcessorNodeEx(PROCESSOR_NUMBER* Processor, WORD* NodeNumber)
#uselib "KERNEL32.dll"
#cfunc global GetNumaProcessorNodeEx "GetNumaProcessorNodeEx" var, var
; res = GetNumaProcessorNodeEx(Processor, NodeNumber)
; Processor : PROCESSOR_NUMBER* -> "var"
; NodeNumber : WORD* 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。; BOOL GetNumaProcessorNodeEx(PROCESSOR_NUMBER* Processor, WORD* NodeNumber)
#uselib "KERNEL32.dll"
#cfunc global GetNumaProcessorNodeEx "GetNumaProcessorNodeEx" intptr, intptr
; res = GetNumaProcessorNodeEx(varptr(Processor), varptr(NodeNumber))
; Processor : PROCESSOR_NUMBER* -> "intptr"
; NodeNumber : WORD* out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetNumaProcessorNodeEx = kernel32.NewProc("GetNumaProcessorNodeEx")
)

// Processor (PROCESSOR_NUMBER*), NodeNumber (WORD* out)
r1, _, err := procGetNumaProcessorNodeEx.Call(
	uintptr(Processor),
	uintptr(NodeNumber),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetNumaProcessorNodeEx(
  Processor: Pointer;   // PROCESSOR_NUMBER*
  NodeNumber: Pointer   // WORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetNumaProcessorNodeEx';

result := DllCall("KERNEL32\GetNumaProcessorNodeEx"
    , "Ptr", Processor   ; PROCESSOR_NUMBER*
    , "Ptr", NodeNumber   ; WORD* out
    , "Int")   ; return: BOOL

●GetNumaProcessorNodeEx(Processor, NodeNumber) = DLL("KERNEL32.dll", "bool GetNumaProcessorNodeEx(void*, void*)")
# 呼び出し: GetNumaProcessorNodeEx(Processor, NodeNumber)
# Processor : PROCESSOR_NUMBER* -> "void*"
# NodeNumber : WORD* 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)。