OfferVirtualMemory

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

DWORD OfferVirtualMemory(
    void* VirtualAddress,
    UINT_PTR Size,
    OFFER_PRIORITY Priority
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function OfferVirtualMemory(
    VirtualAddress As IntPtr,   ' void* in/out
    Size As UIntPtr,   ' UINT_PTR
    Priority As Integer   ' OFFER_PRIORITY
) As UInteger
End Function

' VirtualAddress : void* in/out
' Size : UINT_PTR
' Priority : OFFER_PRIORITY
Declare PtrSafe Function OfferVirtualMemory Lib "kernel32" ( _
    ByVal VirtualAddress As LongPtr, _
    ByVal Size As LongPtr, _
    ByVal Priority 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

OfferVirtualMemory = ctypes.windll.kernel32.OfferVirtualMemory
OfferVirtualMemory.restype = wintypes.DWORD
OfferVirtualMemory.argtypes = [
    ctypes.POINTER(None),  # VirtualAddress : void* in/out
    ctypes.c_size_t,  # Size : UINT_PTR
    ctypes.c_int,  # Priority : OFFER_PRIORITY
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
OfferVirtualMemory = Fiddle::Function.new(
  lib['OfferVirtualMemory'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualAddress : void* in/out
    Fiddle::TYPE_UINTPTR_T,  # Size : UINT_PTR
    Fiddle::TYPE_INT,  # Priority : OFFER_PRIORITY
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn OfferVirtualMemory(
        VirtualAddress: *mut (),  // void* in/out
        Size: usize,  // UINT_PTR
        Priority: i32  // OFFER_PRIORITY
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern uint OfferVirtualMemory(IntPtr VirtualAddress, UIntPtr Size, int Priority);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_OfferVirtualMemory' -Namespace Win32 -PassThru
# $api::OfferVirtualMemory(VirtualAddress, Size, Priority)

#uselib "KERNEL32.dll"
#func global OfferVirtualMemory "OfferVirtualMemory" sptr, sptr, sptr
; OfferVirtualMemory VirtualAddress, Size, Priority   ; 戻り値は stat
; VirtualAddress : void* in/out -> "sptr"
; Size : UINT_PTR -> "sptr"
; Priority : OFFER_PRIORITY -> "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 OfferVirtualMemory "OfferVirtualMemory" sptr, sptr, int
; res = OfferVirtualMemory(VirtualAddress, Size, Priority)
; VirtualAddress : void* in/out -> "sptr"
; Size : UINT_PTR -> "sptr"
; Priority : OFFER_PRIORITY -> "int"

; DWORD OfferVirtualMemory(void* VirtualAddress, UINT_PTR Size, OFFER_PRIORITY Priority)
#uselib "KERNEL32.dll"
#cfunc global OfferVirtualMemory "OfferVirtualMemory" intptr, intptr, int
; res = OfferVirtualMemory(VirtualAddress, Size, Priority)
; VirtualAddress : void* in/out -> "intptr"
; Size : UINT_PTR -> "intptr"
; Priority : OFFER_PRIORITY -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procOfferVirtualMemory = kernel32.NewProc("OfferVirtualMemory")
)

// VirtualAddress (void* in/out), Size (UINT_PTR), Priority (OFFER_PRIORITY)
r1, _, err := procOfferVirtualMemory.Call(
	uintptr(VirtualAddress),
	uintptr(Size),
	uintptr(Priority),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function OfferVirtualMemory(
  VirtualAddress: Pointer;   // void* in/out
  Size: NativeUInt;   // UINT_PTR
  Priority: Integer   // OFFER_PRIORITY
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'OfferVirtualMemory';

result := DllCall("KERNEL32\OfferVirtualMemory"
    , "Ptr", VirtualAddress   ; void* in/out
    , "UPtr", Size   ; UINT_PTR
    , "Int", Priority   ; OFFER_PRIORITY
    , "UInt")   ; return: DWORD

●OfferVirtualMemory(VirtualAddress, Size, Priority) = DLL("KERNEL32.dll", "dword OfferVirtualMemory(void*, int, int)")
# 呼び出し: OfferVirtualMemory(VirtualAddress, Size, Priority)
# VirtualAddress : void* in/out -> "void*"
# Size : UINT_PTR -> "int"
# Priority : OFFER_PRIORITY -> "int"
# 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)。