undocumented.h

/* SPDX-License-Identifier: GPL-2.0
 *
 * Copyright (C) 2018-2019 WireGuard LLC. All Rights Reserved.
 */

#pragma once

#include <wdm.h>

typedef enum
{
    SystemExtendedHandleInformation = 0x40
} SYSTEM_INFORMATION_CLASS;

typedef struct _SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX
{
    PVOID Object;
    HANDLE UniqueProcessId;
    HANDLE HandleValue;
    ACCESS_MASK GrantedAccess;
    USHORT CreatorBackTraceIndex;
    USHORT ObjectTypeIndex;
    ULONG HandleAttributes;
    ULONG Reserved;
} SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX, *PSYSTEM_HANDLE_TABLE_ENTRY_INFO_EX;

typedef struct _SYSTEM_HANDLE_INFORMATION_EX
{
    ULONG_PTR NumberOfHandles;
    ULONG_PTR Reserved;
    SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX Handles[ANYSIZE_ARRAY];
} SYSTEM_HANDLE_INFORMATION_EX, *PSYSTEM_HANDLE_INFORMATION_EX;

extern NTSTATUS
ZwQuerySystemInformation(
    SYSTEM_INFORMATION_CLASS SystemInformationClass,
    PVOID SystemInformation,
    ULONG SystemInformationLength,
    ULONG *ReturnLength);

extern NTSTATUS ZwYieldExecution(VOID);