VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestLog.h@ 25848

Last change on this file since 25848 was 21211, checked in by vboxsync, 15 years ago

VBoxGuest.h,VBoxGuestLib: Moved the VbglR3 API out of VBoxGuest.h and did some cleanup.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.8 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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
17 * Clara, CA 95054 USA or visit http://www.sun.com if you need
18 * additional information or have any questions.
19 */
20
21#ifndef __VBOXGUESTLOG__H
22#define __VBOXGUESTLOG__H
23
24#ifndef RT_OS_WINDOWS
25
26/* Since I don't know the background for the stuff below, I prefer not to
27 change it. I don't need it or want it for backdoor logging inside the
28 Linux Guest Additions kernel modules though. */
29/* Update: bird made this the stance on all non-windows platforms. */
30# include <VBox/log.h>
31
32#else /* RT_OS_LINUX not defined */
33/* Save LOG_ENABLED state, because "VBox/rt/log.h"
34 * may undefine it for IN_RING0 code.
35 */
36# if (defined(DEBUG) && !defined(NO_LOGGING)) || defined(LOG_ENABLED)
37# define __LOG_ENABLED_SAVED__
38# endif
39
40# if (defined(DEBUG) && !defined(NO_LOGGING)) || defined(LOG_ENABLED)
41# ifdef VBOX_GUEST
42# include <VBox/log.h>
43# undef Log
44# define Log(a) RTLogBackdoorPrintf a
45# else
46# define Log(a) DbgPrint a
47# endif
48# else
49# define Log(a)
50# endif
51
52# ifdef __LOG_ENABLED_SAVED__
53# define LOG_ENABLED
54# undef __LOG_ENABLED_SAVED__
55# endif
56
57#endif /* RT_OS_LINUX not defined */
58
59#endif /* __VBOXGUESTLOG__H */
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