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GetNumaProximityNode

関数

近接度IDに対応する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 GetNumaProximityNode(
    DWORD ProximityId,
    BYTE* NodeNumber
);

パラメーター

名前	型	方向
ProximityId	DWORD	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 GetNumaProximityNode(
    DWORD ProximityId,
    BYTE* NodeNumber
);

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

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetNumaProximityNode(
    ProximityId As UInteger,   ' DWORD
    NodeNumber As IntPtr   ' BYTE* out
) As Boolean
End Function

' ProximityId : DWORD
' NodeNumber : BYTE* out
Declare PtrSafe Function GetNumaProximityNode Lib "kernel32" ( _
    ByVal ProximityId As Long, _
    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

GetNumaProximityNode = ctypes.windll.kernel32.GetNumaProximityNode
GetNumaProximityNode.restype = wintypes.BOOL
GetNumaProximityNode.argtypes = [
    wintypes.DWORD,  # ProximityId : DWORD
    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')
GetNumaProximityNode = Fiddle::Function.new(
  lib['GetNumaProximityNode'],
  [
    -Fiddle::TYPE_INT,  # ProximityId : DWORD
    Fiddle::TYPE_VOIDP,  # NodeNumber : BYTE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetNumaProximityNode(
        ProximityId: u32,  // DWORD
        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 GetNumaProximityNode(uint ProximityId, IntPtr NodeNumber);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetNumaProximityNode' -Namespace Win32 -PassThru
# $api::GetNumaProximityNode(ProximityId, NodeNumber)

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

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

function GetNumaProximityNode(
  ProximityId: DWORD;   // DWORD
  NodeNumber: Pointer   // BYTE* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetNumaProximityNode';

result := DllCall("KERNEL32\GetNumaProximityNode"
    , "UInt", ProximityId   ; DWORD
    , "Ptr", NodeNumber   ; BYTE* out
    , "Int")   ; return: BOOL

●GetNumaProximityNode(ProximityId, NodeNumber) = DLL("KERNEL32.dll", "bool GetNumaProximityNode(dword, void*)")
# 呼び出し: GetNumaProximityNode(ProximityId, NodeNumber)
# ProximityId : DWORD -> "dword"
# 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)。