VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestLog.h@ 28112

Last change on this file since 28112 was 26425, checked in by vboxsync, 15 years ago

alternative license for VBoxGuestLib is CDDL

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.2 KB
Line 
1/** @file
2 * VBoxGuestLibR0 - Guest Logging facility.
3 */
4
5/*
6 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 *
25 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26 * Clara, CA 95054 USA or visit http://www.sun.com if you need
27 * additional information or have any questions.
28 */
29
30#ifndef __VBOXGUESTLOG__H
31#define __VBOXGUESTLOG__H
32
33#ifndef RT_OS_WINDOWS
34
35/* Since I don't know the background for the stuff below, I prefer not to
36 change it. I don't need it or want it for backdoor logging inside the
37 Linux Guest Additions kernel modules though. */
38/* Update: bird made this the stance on all non-windows platforms. */
39# include <VBox/log.h>
40
41#else /* RT_OS_LINUX not defined */
42/* Save LOG_ENABLED state, because "VBox/rt/log.h"
43 * may undefine it for IN_RING0 code.
44 */
45# if (defined(DEBUG) && !defined(NO_LOGGING)) || defined(LOG_ENABLED)
46# define __LOG_ENABLED_SAVED__
47# endif
48
49# if (defined(DEBUG) && !defined(NO_LOGGING)) || defined(LOG_ENABLED)
50# ifdef VBOX_GUEST
51# include <VBox/log.h>
52# undef Log
53# define Log(a) RTLogBackdoorPrintf a
54# else
55# define Log(a) DbgPrint a
56# endif
57# else
58# define Log(a)
59# endif
60
61# ifdef __LOG_ENABLED_SAVED__
62# define LOG_ENABLED
63# undef __LOG_ENABLED_SAVED__
64# endif
65
66#endif /* RT_OS_LINUX not defined */
67
68#endif /* __VBOXGUESTLOG__H */
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