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GetNumaAvailableMemoryNodeEx

関数

指定NUMAノードの利用可能メモリ量を取得する(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 GetNumaAvailableMemoryNodeEx(
    WORD Node,
    ULONGLONG* AvailableBytes
);

パラメーター

名前	型	方向
Node	WORD	in
AvailableBytes	ULONGLONG*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GetNumaAvailableMemoryNodeEx(
    WORD Node,
    ULONGLONG* AvailableBytes
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetNumaAvailableMemoryNodeEx(
    ushort Node,   // WORD
    out ulong AvailableBytes   // ULONGLONG* out
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetNumaAvailableMemoryNodeEx(
    Node As UShort,   ' WORD
    <Out> ByRef AvailableBytes As ULong   ' ULONGLONG* out
) As Boolean
End Function

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

import ctypes
from ctypes import wintypes

GetNumaAvailableMemoryNodeEx = ctypes.windll.kernel32.GetNumaAvailableMemoryNodeEx
GetNumaAvailableMemoryNodeEx.restype = wintypes.BOOL
GetNumaAvailableMemoryNodeEx.argtypes = [
    ctypes.c_ushort,  # Node : WORD
    ctypes.POINTER(ctypes.c_ulonglong),  # AvailableBytes : ULONGLONG* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetNumaAvailableMemoryNodeEx = Fiddle::Function.new(
  lib['GetNumaAvailableMemoryNodeEx'],
  [
    -Fiddle::TYPE_SHORT,  # Node : WORD
    Fiddle::TYPE_VOIDP,  # AvailableBytes : ULONGLONG* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetNumaAvailableMemoryNodeEx(
        Node: u16,  // WORD
        AvailableBytes: *mut u64  // ULONGLONG* 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 GetNumaAvailableMemoryNodeEx(ushort Node, out ulong AvailableBytes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetNumaAvailableMemoryNodeEx' -Namespace Win32 -PassThru
# $api::GetNumaAvailableMemoryNodeEx(Node, AvailableBytes)

#uselib "KERNEL32.dll"
#func global GetNumaAvailableMemoryNodeEx "GetNumaAvailableMemoryNodeEx" sptr, sptr
; GetNumaAvailableMemoryNodeEx Node, varptr(AvailableBytes)   ; 戻り値は stat
; Node : WORD -> "sptr"
; AvailableBytes : ULONGLONG* 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 GetNumaAvailableMemoryNodeEx "GetNumaAvailableMemoryNodeEx" int, var
; res = GetNumaAvailableMemoryNodeEx(Node, AvailableBytes)
; Node : WORD -> "int"
; AvailableBytes : ULONGLONG* 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 GetNumaAvailableMemoryNodeEx "GetNumaAvailableMemoryNodeEx" int, sptr
; res = GetNumaAvailableMemoryNodeEx(Node, varptr(AvailableBytes))
; Node : WORD -> "int"
; AvailableBytes : ULONGLONG* 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 GetNumaAvailableMemoryNodeEx(WORD Node, ULONGLONG* AvailableBytes)
#uselib "KERNEL32.dll"
#cfunc global GetNumaAvailableMemoryNodeEx "GetNumaAvailableMemoryNodeEx" int, var
; res = GetNumaAvailableMemoryNodeEx(Node, AvailableBytes)
; Node : WORD -> "int"
; AvailableBytes : ULONGLONG* 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 GetNumaAvailableMemoryNodeEx(WORD Node, ULONGLONG* AvailableBytes)
#uselib "KERNEL32.dll"
#cfunc global GetNumaAvailableMemoryNodeEx "GetNumaAvailableMemoryNodeEx" int, intptr
; res = GetNumaAvailableMemoryNodeEx(Node, varptr(AvailableBytes))
; Node : WORD -> "int"
; AvailableBytes : ULONGLONG* 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")
	procGetNumaAvailableMemoryNodeEx = kernel32.NewProc("GetNumaAvailableMemoryNodeEx")
)

// Node (WORD), AvailableBytes (ULONGLONG* out)
r1, _, err := procGetNumaAvailableMemoryNodeEx.Call(
	uintptr(Node),
	uintptr(AvailableBytes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetNumaAvailableMemoryNodeEx(
  Node: Word;   // WORD
  AvailableBytes: Pointer   // ULONGLONG* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetNumaAvailableMemoryNodeEx';

result := DllCall("KERNEL32\GetNumaAvailableMemoryNodeEx"
    , "UShort", Node   ; WORD
    , "Ptr", AvailableBytes   ; ULONGLONG* out
    , "Int")   ; return: BOOL

●GetNumaAvailableMemoryNodeEx(Node, AvailableBytes) = DLL("KERNEL32.dll", "bool GetNumaAvailableMemoryNodeEx(int, void*)")
# 呼び出し: GetNumaAvailableMemoryNodeEx(Node, AvailableBytes)
# Node : WORD -> "int"
# AvailableBytes : ULONGLONG* 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)。