VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxGuestLib/SysHlp.h@ 4968

Last change on this file since 4968 was 4777, checked in by vboxsync, 17 years ago

NT4 does not have Ex*PoolWithTag.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.7 KB
Line 
1/** @file
2 *
3 * VBoxGuestLib - A support library for VirtualBox guest additions:
4 * System dependent helpers internal header
5 */
6
7/*
8 * Copyright (C) 2006-2007 innotek GmbH
9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.virtualbox.org. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License as published by the Free Software Foundation,
14 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
15 * distribution. VirtualBox OSE is distributed in the hope that it will
16 * be useful, but WITHOUT ANY WARRANTY of any kind.
17 */
18
19#ifndef __SYSHLP__H
20#define __SYSHLP__H
21
22#ifdef RT_OS_WINDOWS
23# if (_MSC_VER >= 1400) && !defined(VBOX_WITH_PATCHED_DDK)
24# include <iprt/asm.h>
25# define _InterlockedExchange _InterlockedExchange_StupidDDKVsCompilerCrap
26# define _InterlockedExchangeAdd _InterlockedExchangeAdd_StupidDDKVsCompilerCrap
27# define _InterlockedCompareExchange _InterlockedCompareExchange_StupidDDKVsCompilerCrap
28# define _InterlockedAddLargeStatistic _InterlockedAddLargeStatistic_StupidDDKVsCompilerCrap
29__BEGIN_DECLS
30# include <ntddk.h>
31__END_DECLS
32# undef _InterlockedExchange
33# undef _InterlockedExchangeAdd
34# undef _InterlockedCompareExchange
35# undef _InterlockedAddLargeStatistic
36# else
37__BEGIN_DECLS
38# include <ntddk.h>
39__END_DECLS
40# endif
41/* XP DDK #defines ExFreePool to ExFreePoolWithTag. The latter does not exist on NT4, so...
42 * The same for ExAllocatePool.
43 */
44#undef ExAllocatePool
45#undef ExFreePool
46#endif
47
48typedef struct _VBGLDRIVER
49{
50#ifdef RT_OS_WINDOWS
51 PDEVICE_OBJECT pDeviceObject;
52 PFILE_OBJECT pFileObject;
53#elif defined (RT_OS_LINUX)
54 void *opaque;
55#elif defined (RT_OS_OS2)
56 uint32_t u32Session; /**< just for sanity checking. */
57#else
58# error "Port me"
59#endif
60} VBGLDRIVER;
61
62int vbglLockLinear (void **ppvCtx, void *pv, uint32_t u32Size, bool fWriteAccess);
63void vbglUnlockLinear (void *pvCtx, void *pv, uint32_t u32Size);
64
65
66#ifndef VBGL_VBOXGUEST
67
68/**
69 * Open VBoxGuest driver.
70 *
71 * @param pDriver Pointer to the driver structure.
72 *
73 * @return VBox error code
74 */
75int vbglDriverOpen (VBGLDRIVER *pDriver);
76
77/**
78 * Call VBoxGuest driver.
79 *
80 * @param pDriver Pointer to the driver structure.
81 * @param u32Function Function code.
82 * @param pvData Pointer to supplied in/out data buffer.
83 * @param cbData Size of data buffer.
84 *
85 * @return VBox error code
86 */
87int vbglDriverIOCtl (VBGLDRIVER *pDriver, uint32_t u32Function, void *pvData, uint32_t cbData);
88
89/**
90 * Close VBoxGuest driver.
91 *
92 * @param pDriver Pointer to the driver structure.
93 *
94 * @return VBox error code
95 */
96void vbglDriverClose (VBGLDRIVER *pDriver);
97
98#endif
99
100#endif /* __SYSHLP__H */
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