| 1 | /** @file
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| 2 | *
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| 3 | * VirtualBox COM: logging macros and function definitions
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 19 | * additional information or have any questions.
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| 20 | */
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| 21 |
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| 22 | #ifndef ____H_LOGGING
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| 23 | #define ____H_LOGGING
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| 24 |
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| 25 | /** @def LOG_GROUP_MAIN_OVERRIDE
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| 26 | * Define this macro to point to the desired log group before including
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| 27 | * the |Logging.h| header if you want to use a group other than LOG_GROUP_MAIN
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| 28 | * for logging from within Main source files.
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| 29 | *
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| 30 | * @example #define LOG_GROUP_MAIN_OVERRIDE LOG_GROUP_HGCM
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| 31 | */
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| 32 |
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| 33 | /*
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| 34 | * We might be including the VBox logging subsystem before
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| 35 | * including this header file, so reset the logging group.
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| 36 | */
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| 37 | #ifdef LOG_GROUP
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| 38 | # undef LOG_GROUP
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| 39 | #endif
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| 40 | #ifdef LOG_GROUP_MAIN_OVERRIDE
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| 41 | # define LOG_GROUP LOG_GROUP_MAIN_OVERRIDE
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| 42 | #else
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| 43 | # define LOG_GROUP LOG_GROUP_MAIN
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| 44 | #endif
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| 45 |
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| 46 | /* Ensure log macros are enabled if release logging is requested */
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| 47 | #if defined (VBOX_MAIN_RELEASE_LOG) && !defined (DEBUG)
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| 48 | # ifndef LOG_ENABLED
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| 49 | # define LOG_ENABLED
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| 50 | # endif
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| 51 | #endif
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| 52 |
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| 53 | #include <VBox/log.h>
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| 54 | #include <iprt/assert.h>
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| 55 |
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| 56 | /** @deprecated Please use LogFlowThisFunc instead! */
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| 57 | #define LogFlowMember(m) \
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| 58 | do { LogFlow (("{%p} ", this)); LogFlow (m); } while (0)
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| 59 |
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| 60 | /** @def MyLogIt
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| 61 | * Copy of LogIt that works even when logging is completely disabled (e.g. in
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| 62 | * release builds) and doesn't interefere with the default release logger
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| 63 | * instance (which is already in use by the VM process).
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| 64 | *
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| 65 | * @warning Logging using MyLog* is intended only as a temporary mean to debug
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| 66 | * release builds (e.g. in case if the error is not reproducible with
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| 67 | * the debug builds)! Any MyLog* usage must be removed from the sources
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| 68 | * after the error has been fixed.
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| 69 | */
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| 70 | #if defined(RT_ARCH_AMD64) || defined(LOG_USE_C99)
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| 71 | # define _MyLogRemoveParentheseis(...) __VA_ARGS__
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| 72 | # define _MyLogIt(pvInst, fFlags, iGroup, ...) RTLogLoggerEx((PRTLOGGER)pvInst, fFlags, iGroup, __VA_ARGS__)
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| 73 | # define MyLogIt(pvInst, fFlags, iGroup, fmtargs) _MyLogIt(pvInst, fFlags, iGroup, _MyLogRemoveParentheseis fmtargs)
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| 74 | #else
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| 75 | # define MyLogIt(pvInst, fFlags, iGroup, fmtargs) \
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| 76 | do \
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| 77 | { \
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| 78 | register PRTLOGGER LogIt_pLogger = (PRTLOGGER)(pvInst) ? (PRTLOGGER)(pvInst) : RTLogDefaultInstance(); \
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| 79 | if (LogIt_pLogger) \
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| 80 | { \
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| 81 | register unsigned LogIt_fFlags = LogIt_pLogger->afGroups[(unsigned)(iGroup) < LogIt_pLogger->cGroups ? (unsigned)(iGroup) : 0]; \
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| 82 | if ((LogIt_fFlags & ((fFlags) | RTLOGGRPFLAGS_ENABLED)) == ((fFlags) | RTLOGGRPFLAGS_ENABLED)) \
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| 83 | LogIt_pLogger->pfnLogger fmtargs; \
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| 84 | } \
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| 85 | } while (0)
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| 86 | #endif
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| 87 |
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| 88 | /** @def MyLog
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| 89 | * Equivalent to LogFlow but uses MyLogIt instead of LogIt.
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| 90 | *
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| 91 | * @warning Logging using MyLog* is intended only as a temporary mean to debug
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| 92 | * release builds (e.g. in case if the error is not reproducible with
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| 93 | * the debug builds)! Any MyLog* usage must be removed from the sources
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| 94 | * after the error has been fixed.
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| 95 | */
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| 96 | #define MyLog(a) MyLogIt(LOG_INSTANCE, RTLOGGRPFLAGS_FLOW, LOG_GROUP, a)
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| 97 |
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| 98 | #endif // ____H_LOGGING
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