SetProcessWorkingSetSizeEx

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

BOOL SetProcessWorkingSetSizeEx(
    HANDLE hProcess,
    UINT_PTR dwMinimumWorkingSetSize,
    UINT_PTR dwMaximumWorkingSetSize,
    SETPROCESSWORKINGSETSIZEEX_FLAGS Flags
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetProcessWorkingSetSizeEx(
    hProcess As IntPtr,   ' HANDLE
    dwMinimumWorkingSetSize As UIntPtr,   ' UINT_PTR
    dwMaximumWorkingSetSize As UIntPtr,   ' UINT_PTR
    Flags As UInteger   ' SETPROCESSWORKINGSETSIZEEX_FLAGS
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hProcess : HANDLE
' dwMinimumWorkingSetSize : UINT_PTR
' dwMaximumWorkingSetSize : UINT_PTR
' Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS
Declare PtrSafe Function SetProcessWorkingSetSizeEx Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByVal dwMinimumWorkingSetSize As LongPtr, _
    ByVal dwMaximumWorkingSetSize 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

SetProcessWorkingSetSizeEx = ctypes.windll.kernel32.SetProcessWorkingSetSizeEx
SetProcessWorkingSetSizeEx.restype = wintypes.BOOL
SetProcessWorkingSetSizeEx.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_size_t,  # dwMinimumWorkingSetSize : UINT_PTR
    ctypes.c_size_t,  # dwMaximumWorkingSetSize : UINT_PTR
    wintypes.DWORD,  # Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetProcessWorkingSetSizeEx = Fiddle::Function.new(
  lib['SetProcessWorkingSetSizeEx'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_UINTPTR_T,  # dwMinimumWorkingSetSize : UINT_PTR
    Fiddle::TYPE_UINTPTR_T,  # dwMaximumWorkingSetSize : UINT_PTR
    -Fiddle::TYPE_INT,  # Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetProcessWorkingSetSizeEx(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        dwMinimumWorkingSetSize: usize,  // UINT_PTR
        dwMaximumWorkingSetSize: usize,  // UINT_PTR
        Flags: u32  // SETPROCESSWORKINGSETSIZEEX_FLAGS
    ) -> 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 SetProcessWorkingSetSizeEx(IntPtr hProcess, UIntPtr dwMinimumWorkingSetSize, UIntPtr dwMaximumWorkingSetSize, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetProcessWorkingSetSizeEx' -Namespace Win32 -PassThru
# $api::SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)

#uselib "KERNEL32.dll"
#func global SetProcessWorkingSetSizeEx "SetProcessWorkingSetSizeEx" sptr, sptr, sptr, sptr
; SetProcessWorkingSetSizeEx hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; dwMinimumWorkingSetSize : UINT_PTR -> "sptr"
; dwMaximumWorkingSetSize : UINT_PTR -> "sptr"
; Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> "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 SetProcessWorkingSetSizeEx "SetProcessWorkingSetSizeEx" sptr, sptr, sptr, int
; res = SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)
; hProcess : HANDLE -> "sptr"
; dwMinimumWorkingSetSize : UINT_PTR -> "sptr"
; dwMaximumWorkingSetSize : UINT_PTR -> "sptr"
; Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> "int"

; BOOL SetProcessWorkingSetSizeEx(HANDLE hProcess, UINT_PTR dwMinimumWorkingSetSize, UINT_PTR dwMaximumWorkingSetSize, SETPROCESSWORKINGSETSIZEEX_FLAGS Flags)
#uselib "KERNEL32.dll"
#cfunc global SetProcessWorkingSetSizeEx "SetProcessWorkingSetSizeEx" intptr, intptr, intptr, int
; res = SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)
; hProcess : HANDLE -> "intptr"
; dwMinimumWorkingSetSize : UINT_PTR -> "intptr"
; dwMaximumWorkingSetSize : UINT_PTR -> "intptr"
; Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetProcessWorkingSetSizeEx = kernel32.NewProc("SetProcessWorkingSetSizeEx")
)

// hProcess (HANDLE), dwMinimumWorkingSetSize (UINT_PTR), dwMaximumWorkingSetSize (UINT_PTR), Flags (SETPROCESSWORKINGSETSIZEEX_FLAGS)
r1, _, err := procSetProcessWorkingSetSizeEx.Call(
	uintptr(hProcess),
	uintptr(dwMinimumWorkingSetSize),
	uintptr(dwMaximumWorkingSetSize),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetProcessWorkingSetSizeEx(
  hProcess: THandle;   // HANDLE
  dwMinimumWorkingSetSize: NativeUInt;   // UINT_PTR
  dwMaximumWorkingSetSize: NativeUInt;   // UINT_PTR
  Flags: DWORD   // SETPROCESSWORKINGSETSIZEEX_FLAGS
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetProcessWorkingSetSizeEx';

result := DllCall("KERNEL32\SetProcessWorkingSetSizeEx"
    , "Ptr", hProcess   ; HANDLE
    , "UPtr", dwMinimumWorkingSetSize   ; UINT_PTR
    , "UPtr", dwMaximumWorkingSetSize   ; UINT_PTR
    , "UInt", Flags   ; SETPROCESSWORKINGSETSIZEEX_FLAGS
    , "Int")   ; return: BOOL

●SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags) = DLL("KERNEL32.dll", "bool SetProcessWorkingSetSizeEx(void*, int, int, dword)")
# 呼び出し: SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)
# hProcess : HANDLE -> "void*"
# dwMinimumWorkingSetSize : UINT_PTR -> "int"
# dwMaximumWorkingSetSize : UINT_PTR -> "int"
# Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> "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)。

const std = @import("std");

extern "kernel32" fn SetProcessWorkingSetSizeEx(
    hProcess: ?*anyopaque, // HANDLE
    dwMinimumWorkingSetSize: usize, // UINT_PTR
    dwMaximumWorkingSetSize: usize, // UINT_PTR
    Flags: u32 // SETPROCESSWORKINGSETSIZEEX_FLAGS
) callconv(std.os.windows.WINAPI) i32;

proc SetProcessWorkingSetSizeEx(
    hProcess: pointer,  # HANDLE
    dwMinimumWorkingSetSize: uint,  # UINT_PTR
    dwMaximumWorkingSetSize: uint,  # UINT_PTR
    Flags: uint32  # SETPROCESSWORKINGSETSIZEEX_FLAGS
): int32 {.importc: "SetProcessWorkingSetSizeEx", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int SetProcessWorkingSetSizeEx(
    void* hProcess,   // HANDLE
    size_t dwMinimumWorkingSetSize,   // UINT_PTR
    size_t dwMaximumWorkingSetSize,   // UINT_PTR
    uint Flags   // SETPROCESSWORKINGSETSIZEEX_FLAGS
);

ccall((:SetProcessWorkingSetSizeEx, "KERNEL32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Csize_t, Csize_t, UInt32),
      hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)
# hProcess : HANDLE -> Ptr{Cvoid}
# dwMinimumWorkingSetSize : UINT_PTR -> Csize_t
# dwMaximumWorkingSetSize : UINT_PTR -> Csize_t
# Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SetProcessWorkingSetSizeEx(
    void* hProcess,
    uintptr_t dwMinimumWorkingSetSize,
    uintptr_t dwMaximumWorkingSetSize,
    uint32_t Flags);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)
-- hProcess : HANDLE
-- dwMinimumWorkingSetSize : UINT_PTR
-- dwMaximumWorkingSetSize : UINT_PTR
-- Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('KERNEL32.dll');
const SetProcessWorkingSetSizeEx = lib.func('__stdcall', 'SetProcessWorkingSetSizeEx', 'int32_t', ['void *', 'uintptr_t', 'uintptr_t', 'uint32_t']);
// SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)
// hProcess : HANDLE -> 'void *'
// dwMinimumWorkingSetSize : UINT_PTR -> 'uintptr_t'
// dwMaximumWorkingSetSize : UINT_PTR -> 'uintptr_t'
// Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("KERNEL32.dll", {
  SetProcessWorkingSetSizeEx: { parameters: ["pointer", "usize", "usize", "u32"], result: "i32" },
});
// lib.symbols.SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags)
// hProcess : HANDLE -> "pointer"
// dwMinimumWorkingSetSize : UINT_PTR -> "usize"
// dwMaximumWorkingSetSize : UINT_PTR -> "usize"
// Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t SetProcessWorkingSetSizeEx(
    void* hProcess,
    size_t dwMinimumWorkingSetSize,
    size_t dwMaximumWorkingSetSize,
    uint32_t Flags);
C, "KERNEL32.dll");
// $ffi->SetProcessWorkingSetSizeEx(hProcess, dwMinimumWorkingSetSize, dwMaximumWorkingSetSize, Flags);
// hProcess : HANDLE
// dwMinimumWorkingSetSize : UINT_PTR
// dwMaximumWorkingSetSize : UINT_PTR
// Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean SetProcessWorkingSetSizeEx(
        Pointer hProcess,   // HANDLE
        long dwMinimumWorkingSetSize,   // UINT_PTR
        long dwMaximumWorkingSetSize,   // UINT_PTR
        int Flags   // SETPROCESSWORKINGSETSIZEEX_FLAGS
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun SetProcessWorkingSetSizeEx = SetProcessWorkingSetSizeEx(
    hProcess : Void*,   # HANDLE
    dwMinimumWorkingSetSize : LibC::SizeT,   # UINT_PTR
    dwMaximumWorkingSetSize : LibC::SizeT,   # UINT_PTR
    Flags : UInt32   # SETPROCESSWORKINGSETSIZEEX_FLAGS
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SetProcessWorkingSetSizeExNative = Int32 Function(Pointer<Void>, UintPtr, UintPtr, Uint32);
typedef SetProcessWorkingSetSizeExDart = int Function(Pointer<Void>, int, int, int);
final SetProcessWorkingSetSizeEx = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetProcessWorkingSetSizeExNative, SetProcessWorkingSetSizeExDart>('SetProcessWorkingSetSizeEx');
// hProcess : HANDLE -> Pointer<Void>
// dwMinimumWorkingSetSize : UINT_PTR -> UintPtr
// dwMaximumWorkingSetSize : UINT_PTR -> UintPtr
// Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetProcessWorkingSetSizeEx(
  hProcess: THandle;   // HANDLE
  dwMinimumWorkingSetSize: NativeUInt;   // UINT_PTR
  dwMaximumWorkingSetSize: NativeUInt;   // UINT_PTR
  Flags: DWORD   // SETPROCESSWORKINGSETSIZEEX_FLAGS
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetProcessWorkingSetSizeEx';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetProcessWorkingSetSizeEx"
  c_SetProcessWorkingSetSizeEx :: Ptr () -> CUIntPtr -> CUIntPtr -> Word32 -> IO CInt
-- hProcess : HANDLE -> Ptr ()
-- dwMinimumWorkingSetSize : UINT_PTR -> CUIntPtr
-- dwMaximumWorkingSetSize : UINT_PTR -> CUIntPtr
-- Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let setprocessworkingsetsizeex =
  foreign "SetProcessWorkingSetSizeEx"
    ((ptr void) @-> size_t @-> size_t @-> uint32_t @-> returning int32_t)
(* hProcess : HANDLE -> (ptr void) *)
(* dwMinimumWorkingSetSize : UINT_PTR -> size_t *)
(* dwMaximumWorkingSetSize : UINT_PTR -> size_t *)
(* Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("SetProcessWorkingSetSizeEx" set-process-working-set-size-ex :convention :stdcall) :int32
  (h-process :pointer)   ; HANDLE
  (dw-minimum-working-set-size :uint64)   ; UINT_PTR
  (dw-maximum-working-set-size :uint64)   ; UINT_PTR
  (flags :uint32))   ; SETPROCESSWORKINGSETSIZEEX_FLAGS
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetProcessWorkingSetSizeEx = Win32::API::More->new('KERNEL32',
    'BOOL SetProcessWorkingSetSizeEx(HANDLE hProcess, WPARAM dwMinimumWorkingSetSize, WPARAM dwMaximumWorkingSetSize, DWORD Flags)');
# my $ret = $SetProcessWorkingSetSizeEx->Call($hProcess, $dwMinimumWorkingSetSize, $dwMaximumWorkingSetSize, $Flags);
# hProcess : HANDLE -> HANDLE
# dwMinimumWorkingSetSize : UINT_PTR -> WPARAM
# dwMaximumWorkingSetSize : UINT_PTR -> WPARAM
# Flags : SETPROCESSWORKINGSETSIZEEX_FLAGS -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。