RmGetList

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

WIN32_ERROR RmGetList(
    DWORD dwSessionHandle,
    DWORD* pnProcInfoNeeded,
    DWORD* pnProcInfo,
    RM_PROCESS_INFO* rgAffectedApps,   // optional
    DWORD* lpdwRebootReasons
);

<DllImport("rstrtmgr.dll", ExactSpelling:=True)>
Public Shared Function RmGetList(
    dwSessionHandle As UInteger,   ' DWORD
    <Out> ByRef pnProcInfoNeeded As UInteger,   ' DWORD* out
    ByRef pnProcInfo As UInteger,   ' DWORD* in/out
    rgAffectedApps As IntPtr,   ' RM_PROCESS_INFO* optional, in/out
    <Out> ByRef lpdwRebootReasons As UInteger   ' DWORD* out
) As UInteger
End Function

' dwSessionHandle : DWORD
' pnProcInfoNeeded : DWORD* out
' pnProcInfo : DWORD* in/out
' rgAffectedApps : RM_PROCESS_INFO* optional, in/out
' lpdwRebootReasons : DWORD* out
Declare PtrSafe Function RmGetList Lib "rstrtmgr" ( _
    ByVal dwSessionHandle As Long, _
    ByRef pnProcInfoNeeded As Long, _
    ByRef pnProcInfo As Long, _
    ByVal rgAffectedApps As LongPtr, _
    ByRef lpdwRebootReasons 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

RmGetList = ctypes.windll.rstrtmgr.RmGetList
RmGetList.restype = wintypes.DWORD
RmGetList.argtypes = [
    wintypes.DWORD,  # dwSessionHandle : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pnProcInfoNeeded : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # pnProcInfo : DWORD* in/out
    ctypes.c_void_p,  # rgAffectedApps : RM_PROCESS_INFO* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpdwRebootReasons : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('rstrtmgr.dll')
RmGetList = Fiddle::Function.new(
  lib['RmGetList'],
  [
    -Fiddle::TYPE_INT,  # dwSessionHandle : DWORD
    Fiddle::TYPE_VOIDP,  # pnProcInfoNeeded : DWORD* out
    Fiddle::TYPE_VOIDP,  # pnProcInfo : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # rgAffectedApps : RM_PROCESS_INFO* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpdwRebootReasons : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "rstrtmgr")]
extern "system" {
    fn RmGetList(
        dwSessionHandle: u32,  // DWORD
        pnProcInfoNeeded: *mut u32,  // DWORD* out
        pnProcInfo: *mut u32,  // DWORD* in/out
        rgAffectedApps: *mut RM_PROCESS_INFO,  // RM_PROCESS_INFO* optional, in/out
        lpdwRebootReasons: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("rstrtmgr.dll")]
public static extern uint RmGetList(uint dwSessionHandle, out uint pnProcInfoNeeded, ref uint pnProcInfo, IntPtr rgAffectedApps, out uint lpdwRebootReasons);
"@
$api = Add-Type -MemberDefinition $sig -Name 'rstrtmgr_RmGetList' -Namespace Win32 -PassThru
# $api::RmGetList(dwSessionHandle, pnProcInfoNeeded, pnProcInfo, rgAffectedApps, lpdwRebootReasons)

#uselib "rstrtmgr.dll"
#func global RmGetList "RmGetList" sptr, sptr, sptr, sptr, sptr
; RmGetList dwSessionHandle, varptr(pnProcInfoNeeded), varptr(pnProcInfo), varptr(rgAffectedApps), varptr(lpdwRebootReasons)   ; 戻り値は stat
; dwSessionHandle : DWORD -> "sptr"
; pnProcInfoNeeded : DWORD* out -> "sptr"
; pnProcInfo : DWORD* in/out -> "sptr"
; rgAffectedApps : RM_PROCESS_INFO* optional, in/out -> "sptr"
; lpdwRebootReasons : DWORD* 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。

#uselib "rstrtmgr.dll"
#cfunc global RmGetList "RmGetList" int, var, var, var, var
; res = RmGetList(dwSessionHandle, pnProcInfoNeeded, pnProcInfo, rgAffectedApps, lpdwRebootReasons)
; dwSessionHandle : DWORD -> "int"
; pnProcInfoNeeded : DWORD* out -> "var"
; pnProcInfo : DWORD* in/out -> "var"
; rgAffectedApps : RM_PROCESS_INFO* optional, in/out -> "var"
; lpdwRebootReasons : DWORD* 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。

; WIN32_ERROR RmGetList(DWORD dwSessionHandle, DWORD* pnProcInfoNeeded, DWORD* pnProcInfo, RM_PROCESS_INFO* rgAffectedApps, DWORD* lpdwRebootReasons)
#uselib "rstrtmgr.dll"
#cfunc global RmGetList "RmGetList" int, var, var, var, var
; res = RmGetList(dwSessionHandle, pnProcInfoNeeded, pnProcInfo, rgAffectedApps, lpdwRebootReasons)
; dwSessionHandle : DWORD -> "int"
; pnProcInfoNeeded : DWORD* out -> "var"
; pnProcInfo : DWORD* in/out -> "var"
; rgAffectedApps : RM_PROCESS_INFO* optional, in/out -> "var"
; lpdwRebootReasons : DWORD* 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 (
	rstrtmgr = windows.NewLazySystemDLL("rstrtmgr.dll")
	procRmGetList = rstrtmgr.NewProc("RmGetList")
)

// dwSessionHandle (DWORD), pnProcInfoNeeded (DWORD* out), pnProcInfo (DWORD* in/out), rgAffectedApps (RM_PROCESS_INFO* optional, in/out), lpdwRebootReasons (DWORD* out)
r1, _, err := procRmGetList.Call(
	uintptr(dwSessionHandle),
	uintptr(pnProcInfoNeeded),
	uintptr(pnProcInfo),
	uintptr(rgAffectedApps),
	uintptr(lpdwRebootReasons),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function RmGetList(
  dwSessionHandle: DWORD;   // DWORD
  pnProcInfoNeeded: Pointer;   // DWORD* out
  pnProcInfo: Pointer;   // DWORD* in/out
  rgAffectedApps: Pointer;   // RM_PROCESS_INFO* optional, in/out
  lpdwRebootReasons: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'rstrtmgr.dll' name 'RmGetList';

result := DllCall("rstrtmgr\RmGetList"
    , "UInt", dwSessionHandle   ; DWORD
    , "Ptr", pnProcInfoNeeded   ; DWORD* out
    , "Ptr", pnProcInfo   ; DWORD* in/out
    , "Ptr", rgAffectedApps   ; RM_PROCESS_INFO* optional, in/out
    , "Ptr", lpdwRebootReasons   ; DWORD* out
    , "UInt")   ; return: WIN32_ERROR

●RmGetList(dwSessionHandle, pnProcInfoNeeded, pnProcInfo, rgAffectedApps, lpdwRebootReasons) = DLL("rstrtmgr.dll", "dword RmGetList(dword, void*, void*, void*, void*)")
# 呼び出し: RmGetList(dwSessionHandle, pnProcInfoNeeded, pnProcInfo, rgAffectedApps, lpdwRebootReasons)
# dwSessionHandle : DWORD -> "dword"
# pnProcInfoNeeded : DWORD* out -> "void*"
# pnProcInfo : DWORD* in/out -> "void*"
# rgAffectedApps : RM_PROCESS_INFO* optional, in/out -> "void*"
# lpdwRebootReasons : DWORD* 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)。