ubuntu/vbox/vboxguest/VBoxGuestLog.h

   1 /* $Id: VBoxGuestLog.h $ */
   2 /** @file
   3  * VBoxGuestLibR0 - Guest Logging facility.
   4  */
   5
   6 /*
   7  * Copyright (C) 2006-2016 Oracle Corporation
   8  *
   9  * This file is part of VirtualBox Open Source Edition (OSE), as
  10  * available from http://www.virtualbox.org. This file is free software;
  11  * you can redistribute it and/or modify it under the terms of the GNU
  12  * General Public License (GPL) as published by the Free Software
  13  * Foundation, in version 2 as it comes in the "COPYING" file of the
  14  * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
  15  * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
  16  *
  17  * The contents of this file may alternatively be used under the terms
  18  * of the Common Development and Distribution License Version 1.0
  19  * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
  20  * VirtualBox OSE distribution, in which case the provisions of the
  21  * CDDL are applicable instead of those of the GPL.
  22  *
  23  * You may elect to license modified versions of this file under the
  24  * terms and conditions of either the GPL or the CDDL or both.
  25  */
  26
  27 #ifndef __VBOXGUESTLOG__H
  28 #define __VBOXGUESTLOG__H
  29
  30 #ifndef RT_OS_WINDOWS
  31 # error "Don't include this file."
  32 #else  /* RT_OS_WINDOWS */
  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_WINDOWS */
  58
  59 #endif /* !__VBOXGUESTLOG__H */