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AllocateUserPhysicalPages

関数
AWE用に物理メモリページを割り当てる。
DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOL AllocateUserPhysicalPages(
    HANDLE hProcess,
    UINT_PTR* NumberOfPages,
    UINT_PTR* PageArray
);

パラメーター

名前方向
hProcessHANDLEin
NumberOfPagesUINT_PTR*inout
PageArrayUINT_PTR*out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL AllocateUserPhysicalPages(
    HANDLE hProcess,
    UINT_PTR* NumberOfPages,
    UINT_PTR* PageArray
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool AllocateUserPhysicalPages(
    IntPtr hProcess,   // HANDLE
    ref UIntPtr NumberOfPages,   // UINT_PTR* in/out
    out UIntPtr PageArray   // UINT_PTR* out
);
<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function AllocateUserPhysicalPages(
    hProcess As IntPtr,   ' HANDLE
    ByRef NumberOfPages As UIntPtr,   ' UINT_PTR* in/out
    <Out> ByRef PageArray As UIntPtr   ' UINT_PTR* out
) As Boolean
End Function
' hProcess : HANDLE
' NumberOfPages : UINT_PTR* in/out
' PageArray : UINT_PTR* out
Declare PtrSafe Function AllocateUserPhysicalPages Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByRef NumberOfPages As LongPtr, _
    ByRef PageArray 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

AllocateUserPhysicalPages = ctypes.windll.kernel32.AllocateUserPhysicalPages
AllocateUserPhysicalPages.restype = wintypes.BOOL
AllocateUserPhysicalPages.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.POINTER(ctypes.c_size_t),  # NumberOfPages : UINT_PTR* in/out
    ctypes.POINTER(ctypes.c_size_t),  # PageArray : UINT_PTR* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
AllocateUserPhysicalPages = Fiddle::Function.new(
  lib['AllocateUserPhysicalPages'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # NumberOfPages : UINT_PTR* in/out
    Fiddle::TYPE_VOIDP,  # PageArray : UINT_PTR* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "kernel32")]
extern "system" {
    fn AllocateUserPhysicalPages(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        NumberOfPages: *mut usize,  // UINT_PTR* in/out
        PageArray: *mut usize  // UINT_PTR* 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 AllocateUserPhysicalPages(IntPtr hProcess, ref UIntPtr NumberOfPages, out UIntPtr PageArray);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_AllocateUserPhysicalPages' -Namespace Win32 -PassThru
# $api::AllocateUserPhysicalPages(hProcess, NumberOfPages, PageArray)
#uselib "KERNEL32.dll"
#func global AllocateUserPhysicalPages "AllocateUserPhysicalPages" sptr, sptr, sptr
; AllocateUserPhysicalPages hProcess, varptr(NumberOfPages), varptr(PageArray)   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; NumberOfPages : UINT_PTR* in/out -> "sptr"
; PageArray : UINT_PTR* 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 AllocateUserPhysicalPages "AllocateUserPhysicalPages" sptr, var, var
; res = AllocateUserPhysicalPages(hProcess, NumberOfPages, PageArray)
; hProcess : HANDLE -> "sptr"
; NumberOfPages : UINT_PTR* in/out -> "var"
; PageArray : UINT_PTR* 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。
出力引数:
; BOOL AllocateUserPhysicalPages(HANDLE hProcess, UINT_PTR* NumberOfPages, UINT_PTR* PageArray)
#uselib "KERNEL32.dll"
#cfunc global AllocateUserPhysicalPages "AllocateUserPhysicalPages" intptr, var, var
; res = AllocateUserPhysicalPages(hProcess, NumberOfPages, PageArray)
; hProcess : HANDLE -> "intptr"
; NumberOfPages : UINT_PTR* in/out -> "var"
; PageArray : UINT_PTR* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procAllocateUserPhysicalPages = kernel32.NewProc("AllocateUserPhysicalPages")
)

// hProcess (HANDLE), NumberOfPages (UINT_PTR* in/out), PageArray (UINT_PTR* out)
r1, _, err := procAllocateUserPhysicalPages.Call(
	uintptr(hProcess),
	uintptr(NumberOfPages),
	uintptr(PageArray),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function AllocateUserPhysicalPages(
  hProcess: THandle;   // HANDLE
  NumberOfPages: Pointer;   // UINT_PTR* in/out
  PageArray: Pointer   // UINT_PTR* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'AllocateUserPhysicalPages';
result := DllCall("KERNEL32\AllocateUserPhysicalPages"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", NumberOfPages   ; UINT_PTR* in/out
    , "Ptr", PageArray   ; UINT_PTR* out
    , "Int")   ; return: BOOL
●AllocateUserPhysicalPages(hProcess, NumberOfPages, PageArray) = DLL("KERNEL32.dll", "bool AllocateUserPhysicalPages(void*, void*, void*)")
# 呼び出し: AllocateUserPhysicalPages(hProcess, NumberOfPages, PageArray)
# hProcess : HANDLE -> "void*"
# NumberOfPages : UINT_PTR* in/out -> "void*"
# PageArray : UINT_PTR* 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)。