PrefetchVirtualMemory

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

BOOL PrefetchVirtualMemory(
    HANDLE hProcess,
    UINT_PTR NumberOfEntries,
    WIN32_MEMORY_RANGE_ENTRY* VirtualAddresses,
    DWORD Flags
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PrefetchVirtualMemory(
    hProcess As IntPtr,   ' HANDLE
    NumberOfEntries As UIntPtr,   ' UINT_PTR
    VirtualAddresses As IntPtr,   ' WIN32_MEMORY_RANGE_ENTRY*
    Flags As UInteger   ' DWORD
) As Boolean
End Function

' hProcess : HANDLE
' NumberOfEntries : UINT_PTR
' VirtualAddresses : WIN32_MEMORY_RANGE_ENTRY*
' Flags : DWORD
Declare PtrSafe Function PrefetchVirtualMemory Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByVal NumberOfEntries As LongPtr, _
    ByVal VirtualAddresses As LongPtr, _
    ByVal Flags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PrefetchVirtualMemory = ctypes.windll.kernel32.PrefetchVirtualMemory
PrefetchVirtualMemory.restype = wintypes.BOOL
PrefetchVirtualMemory.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_size_t,  # NumberOfEntries : UINT_PTR
    ctypes.c_void_p,  # VirtualAddresses : WIN32_MEMORY_RANGE_ENTRY*
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
PrefetchVirtualMemory = Fiddle::Function.new(
  lib['PrefetchVirtualMemory'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_UINTPTR_T,  # NumberOfEntries : UINT_PTR
    Fiddle::TYPE_VOIDP,  # VirtualAddresses : WIN32_MEMORY_RANGE_ENTRY*
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn PrefetchVirtualMemory(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        NumberOfEntries: usize,  // UINT_PTR
        VirtualAddresses: *mut WIN32_MEMORY_RANGE_ENTRY,  // WIN32_MEMORY_RANGE_ENTRY*
        Flags: u32  // DWORD
    ) -> 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 PrefetchVirtualMemory(IntPtr hProcess, UIntPtr NumberOfEntries, IntPtr VirtualAddresses, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_PrefetchVirtualMemory' -Namespace Win32 -PassThru
# $api::PrefetchVirtualMemory(hProcess, NumberOfEntries, VirtualAddresses, Flags)

#uselib "KERNEL32.dll"
#func global PrefetchVirtualMemory "PrefetchVirtualMemory" sptr, sptr, sptr, sptr
; PrefetchVirtualMemory hProcess, NumberOfEntries, varptr(VirtualAddresses), Flags   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; NumberOfEntries : UINT_PTR -> "sptr"
; VirtualAddresses : WIN32_MEMORY_RANGE_ENTRY* -> "sptr"
; Flags : DWORD -> "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 PrefetchVirtualMemory "PrefetchVirtualMemory" sptr, sptr, var, int
; res = PrefetchVirtualMemory(hProcess, NumberOfEntries, VirtualAddresses, Flags)
; hProcess : HANDLE -> "sptr"
; NumberOfEntries : UINT_PTR -> "sptr"
; VirtualAddresses : WIN32_MEMORY_RANGE_ENTRY* -> "var"
; Flags : DWORD -> "int"
; ※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 PrefetchVirtualMemory(HANDLE hProcess, UINT_PTR NumberOfEntries, WIN32_MEMORY_RANGE_ENTRY* VirtualAddresses, DWORD Flags)
#uselib "KERNEL32.dll"
#cfunc global PrefetchVirtualMemory "PrefetchVirtualMemory" intptr, intptr, var, int
; res = PrefetchVirtualMemory(hProcess, NumberOfEntries, VirtualAddresses, Flags)
; hProcess : HANDLE -> "intptr"
; NumberOfEntries : UINT_PTR -> "intptr"
; VirtualAddresses : WIN32_MEMORY_RANGE_ENTRY* -> "var"
; Flags : DWORD -> "int"
; ※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。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procPrefetchVirtualMemory = kernel32.NewProc("PrefetchVirtualMemory")
)

// hProcess (HANDLE), NumberOfEntries (UINT_PTR), VirtualAddresses (WIN32_MEMORY_RANGE_ENTRY*), Flags (DWORD)
r1, _, err := procPrefetchVirtualMemory.Call(
	uintptr(hProcess),
	uintptr(NumberOfEntries),
	uintptr(VirtualAddresses),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PrefetchVirtualMemory(
  hProcess: THandle;   // HANDLE
  NumberOfEntries: NativeUInt;   // UINT_PTR
  VirtualAddresses: Pointer;   // WIN32_MEMORY_RANGE_ENTRY*
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'PrefetchVirtualMemory';

result := DllCall("KERNEL32\PrefetchVirtualMemory"
    , "Ptr", hProcess   ; HANDLE
    , "UPtr", NumberOfEntries   ; UINT_PTR
    , "Ptr", VirtualAddresses   ; WIN32_MEMORY_RANGE_ENTRY*
    , "UInt", Flags   ; DWORD
    , "Int")   ; return: BOOL

●PrefetchVirtualMemory(hProcess, NumberOfEntries, VirtualAddresses, Flags) = DLL("KERNEL32.dll", "bool PrefetchVirtualMemory(void*, int, void*, dword)")
# 呼び出し: PrefetchVirtualMemory(hProcess, NumberOfEntries, VirtualAddresses, Flags)
# hProcess : HANDLE -> "void*"
# NumberOfEntries : UINT_PTR -> "int"
# VirtualAddresses : WIN32_MEMORY_RANGE_ENTRY* -> "void*"
# Flags : DWORD -> "dword"
# 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)。