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GetNumaProcessorNode

関数

指定プロセッサが属するNUMAノード番号を取得する。

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>

BOOL GetNumaProcessorNode(
    BYTE Processor,
    BYTE* NodeNumber
);

パラメーター

名前	型	方向
Processor	BYTE	in
NodeNumber	BYTE*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GetNumaProcessorNode(
    BYTE Processor,
    BYTE* NodeNumber
);

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

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetNumaProcessorNode(
    Processor As Byte,   ' BYTE
    NodeNumber As IntPtr   ' BYTE* out
) As Boolean
End Function

' Processor : BYTE
' NodeNumber : BYTE* out
Declare PtrSafe Function GetNumaProcessorNode Lib "kernel32" ( _
    ByVal Processor As Byte, _
    ByVal NodeNumber 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

GetNumaProcessorNode = ctypes.windll.kernel32.GetNumaProcessorNode
GetNumaProcessorNode.restype = wintypes.BOOL
GetNumaProcessorNode.argtypes = [
    ctypes.c_ubyte,  # Processor : BYTE
    ctypes.POINTER(ctypes.c_ubyte),  # NodeNumber : BYTE* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetNumaProcessorNode = Fiddle::Function.new(
  lib['GetNumaProcessorNode'],
  [
    -Fiddle::TYPE_CHAR,  # Processor : BYTE
    Fiddle::TYPE_VOIDP,  # NodeNumber : BYTE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetNumaProcessorNode(
        Processor: u8,  // BYTE
        NodeNumber: *mut u8  // BYTE* 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 GetNumaProcessorNode(byte Processor, IntPtr NodeNumber);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetNumaProcessorNode' -Namespace Win32 -PassThru
# $api::GetNumaProcessorNode(Processor, NodeNumber)

#uselib "KERNEL32.dll"
#func global GetNumaProcessorNode "GetNumaProcessorNode" sptr, sptr
; GetNumaProcessorNode Processor, varptr(NodeNumber)   ; 戻り値は stat
; Processor : BYTE -> "sptr"
; NodeNumber : BYTE* 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 GetNumaProcessorNode "GetNumaProcessorNode" int, var
; res = GetNumaProcessorNode(Processor, NodeNumber)
; Processor : BYTE -> "int"
; NodeNumber : BYTE* 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 GetNumaProcessorNode "GetNumaProcessorNode" int, sptr
; res = GetNumaProcessorNode(Processor, varptr(NodeNumber))
; Processor : BYTE -> "int"
; NodeNumber : BYTE* 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 GetNumaProcessorNode(BYTE Processor, BYTE* NodeNumber)
#uselib "KERNEL32.dll"
#cfunc global GetNumaProcessorNode "GetNumaProcessorNode" int, var
; res = GetNumaProcessorNode(Processor, NodeNumber)
; Processor : BYTE -> "int"
; NodeNumber : BYTE* 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 GetNumaProcessorNode(BYTE Processor, BYTE* NodeNumber)
#uselib "KERNEL32.dll"
#cfunc global GetNumaProcessorNode "GetNumaProcessorNode" int, intptr
; res = GetNumaProcessorNode(Processor, varptr(NodeNumber))
; Processor : BYTE -> "int"
; NodeNumber : BYTE* 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")
	procGetNumaProcessorNode = kernel32.NewProc("GetNumaProcessorNode")
)

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

function GetNumaProcessorNode(
  Processor: Byte;   // BYTE
  NodeNumber: Pointer   // BYTE* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetNumaProcessorNode';

result := DllCall("KERNEL32\GetNumaProcessorNode"
    , "UChar", Processor   ; BYTE
    , "Ptr", NodeNumber   ; BYTE* out
    , "Int")   ; return: BOOL

●GetNumaProcessorNode(Processor, NodeNumber) = DLL("KERNEL32.dll", "bool GetNumaProcessorNode(byte, void*)")
# 呼び出し: GetNumaProcessorNode(Processor, NodeNumber)
# Processor : BYTE -> "byte"
# NodeNumber : BYTE* 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)。