log.h@ 71586

Last change on this file since 71586 was 69752, checked in by vboxsync, 7 years ago
RTLogCreateEx[V] format annotations; fixed unsafe use in VBoxService.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 87.9 KB

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1	/** @file
2	* IPRT - Logging.
3	*/
4
5	/*
6	* Copyright (C) 2006-2017 Oracle Corporation
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
26	#ifndef ___iprt_log_h
27	#define ___iprt_log_h
28
29	#include <iprt/cdefs.h>
30	#include <iprt/types.h>
31	#include <iprt/stdarg.h>
32
33	RT_C_DECLS_BEGIN
34
35	/** @defgroup grp_rt_log RTLog - Logging
36	* @ingroup grp_rt
37	* @{
38	*/
39
40	/**
41	* IPRT Logging Groups.
42	* (Remember to update RT_LOGGROUP_NAMES!)
43	*
44	* @remark It should be pretty obvious, but just to have
45	* mentioned it, the values are sorted alphabetically (using the
46	* english alphabet) except for _DEFAULT which is always first.
47	*
48	* If anyone might be wondering what the alphabet looks like:
49	* a b c d e f g h i j k l m n o p q r s t u v w x y z
50	*/
51	typedef enum RTLOGGROUP
52	{
53	/** Default logging group. */
54	RTLOGGROUP_DEFAULT,
55	RTLOGGROUP_CRYPTO,
56	RTLOGGROUP_DBG,
57	RTLOGGROUP_DBG_DWARF,
58	RTLOGGROUP_DIR,
59	RTLOGGROUP_FILE,
60	RTLOGGROUP_FS,
61	RTLOGGROUP_HTTP,
62	RTLOGGROUP_LDR,
63	RTLOGGROUP_PATH,
64	RTLOGGROUP_PROCESS,
65	RTLOGGROUP_SYMLINK,
66	RTLOGGROUP_THREAD,
67	RTLOGGROUP_TIME,
68	RTLOGGROUP_TIMER,
69	RTLOGGROUP_LOCALIPC,
70	RTLOGGROUP_VFS,
71	RTLOGGROUP_ZIP = 31,
72	RTLOGGROUP_FIRST_USER = 32
73	} RTLOGGROUP;
74
75	/** @def RT_LOGGROUP_NAMES
76	* IPRT Logging group names.
77	*
78	* Must correspond 100% to RTLOGGROUP!
79	* Don't forget commas!
80	*
81	* @remark It should be pretty obvious, but just to have
82	* mentioned it, the values are sorted alphabetically (using the
83	* english alphabet) except for _DEFAULT which is always first.
84	*
85	* If anyone might be wondering what the alphabet looks like:
86	* a b c d e f g h i j k l m n o p q r s t u v w x y z
87	*/
88	#define RT_LOGGROUP_NAMES \
89	"DEFAULT", \
90	"RT_CRYPTO", \
91	"RT_DBG", \
92	"RT_DBG_DWARF", \
93	"RT_DIR", \
94	"RT_FILE", \
95	"RT_FS", \
96	"RT_HTTP", \
97	"RT_LDR", \
98	"RT_PATH", \
99	"RT_PROCESS", \
100	"RT_SYMLINK", \
101	"RT_THREAD", \
102	"RT_TIME", \
103	"RT_TIMER", \
104	"RT_LOCALIPC", \
105	"RT_VFS", \
106	"RT_17", \
107	"RT_18", \
108	"RT_19", \
109	"RT_20", \
110	"RT_21", \
111	"RT_22", \
112	"RT_23", \
113	"RT_24", \
114	"RT_25", \
115	"RT_26", \
116	"RT_27", \
117	"RT_28", \
118	"RT_29", \
119	"RT_30", \
120	"RT_ZIP" \
121
122
123	/** @def LOG_GROUP
124	* Active logging group.
125	*/
126	#ifndef LOG_GROUP
127	# define LOG_GROUP RTLOGGROUP_DEFAULT
128	#endif
129
130	/** @def LOG_FN_FMT
131	* You can use this to specify you desired way of printing __PRETTY_FUNCTION__
132	* if you dislike the default one.
133	*/
134	#ifndef LOG_FN_FMT
135	# define LOG_FN_FMT "%Rfn"
136	#endif
137
138	#ifdef LOG_INSTANCE
139	# error "LOG_INSTANCE is no longer supported."
140	#endif
141	#ifdef LOG_REL_INSTANCE
142	# error "LOG_REL_INSTANCE is no longer supported."
143	#endif
144
145	/** Logger structure. */
146	#ifdef IN_RC
147	typedef struct RTLOGGERRC RTLOGGER;
148	#else
149	typedef struct RTLOGGER RTLOGGER;
150	#endif
151	/** Pointer to logger structure. */
152	typedef RTLOGGER *PRTLOGGER;
153	/** Pointer to const logger structure. */
154	typedef const RTLOGGER *PCRTLOGGER;
155
156
157	/** Guest context logger structure. */
158	typedef struct RTLOGGERRC RTLOGGERRC;
159	/** Pointer to guest context logger structure. */
160	typedef RTLOGGERRC *PRTLOGGERRC;
161	/** Pointer to const guest context logger structure. */
162	typedef const RTLOGGERRC *PCRTLOGGERRC;
163
164
165	/**
166	* Logger phase.
167	*
168	* Used for signalling the log header/footer callback what to do.
169	*/
170	typedef enum RTLOGPHASE
171	{
172	/** Begin of the logging. */
173	RTLOGPHASE_BEGIN = 0,
174	/** End of the logging. */
175	RTLOGPHASE_END,
176	/** Before rotating the log file. */
177	RTLOGPHASE_PREROTATE,
178	/** After rotating the log file. */
179	RTLOGPHASE_POSTROTATE,
180	/** 32-bit type blow up hack. */
181	RTLOGPHASE_32BIT_HACK = 0x7fffffff
182	} RTLOGPHASE;
183
184
185	/**
186	* Logger function.
187	*
188	* @param pszFormat Format string.
189	* @param ... Optional arguments as specified in the format string.
190	*/
191	typedef DECLCALLBACK(void) FNRTLOGGER(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
192	/** Pointer to logger function. */
193	typedef FNRTLOGGER *PFNRTLOGGER;
194
195	/**
196	* Flush function.
197	*
198	* @param pLogger Pointer to the logger instance which is to be flushed.
199	*/
200	typedef DECLCALLBACK(void) FNRTLOGFLUSH(PRTLOGGER pLogger);
201	/** Pointer to flush function. */
202	typedef FNRTLOGFLUSH *PFNRTLOGFLUSH;
203
204	/**
205	* Flush function.
206	*
207	* @param pLogger Pointer to the logger instance which is to be flushed.
208	*/
209	typedef DECLCALLBACK(void) FNRTLOGFLUSHGC(PRTLOGGERRC pLogger);
210	/** Pointer to logger function. */
211	typedef RCPTRTYPE(FNRTLOGFLUSHGC *) PFNRTLOGFLUSHGC;
212
213	/**
214	* Header/footer message callback.
215	*
216	* @param pLogger Pointer to the logger instance.
217	* @param pszFormat Format string.
218	* @param ... Optional arguments specified in the format string.
219	*/
220	typedef DECLCALLBACK(void) FNRTLOGPHASEMSG(PRTLOGGER pLogger, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(2, 3);
221	/** Pointer to header/footer message callback function. */
222	typedef FNRTLOGPHASEMSG *PFNRTLOGPHASEMSG;
223
224	/**
225	* Log file header/footer callback.
226	*
227	* @param pLogger Pointer to the logger instance.
228	* @param enmLogPhase Indicates at what time the callback is invoked.
229	* @param pfnLogPhaseMsg Callback for writing the header/footer (RTLogPrintf
230	* and others are out of bounds).
231	*/
232	typedef DECLCALLBACK(void) FNRTLOGPHASE(PRTLOGGER pLogger, RTLOGPHASE enmLogPhase, PFNRTLOGPHASEMSG pfnLogPhaseMsg);
233	/** Pointer to log header/footer callback function. */
234	typedef FNRTLOGPHASE *PFNRTLOGPHASE;
235
236	/**
237	* Custom log prefix callback.
238	*
239	*
240	* @returns The number of chars written.
241	*
242	* @param pLogger Pointer to the logger instance.
243	* @param pchBuf Output buffer pointer.
244	* No need to terminate the output.
245	* @param cchBuf The size of the output buffer.
246	* @param pvUser The user argument.
247	*/
248	typedef DECLCALLBACK(size_t) FNRTLOGPREFIX(PRTLOGGER pLogger, char pchBuf, size_t cchBuf, void pvUser);
249	/** Pointer to prefix callback function. */
250	typedef FNRTLOGPREFIX *PFNRTLOGPREFIX;
251
252
253
254	/**
255	* Logger instance structure for raw-mode context (RC).
256	*/
257	struct RTLOGGERRC
258	{
259	/** Pointer to temporary scratch buffer.
260	* This is used to format the log messages. */
261	char achScratch[32768];
262	/** Current scratch buffer position. */
263	uint32_t offScratch;
264	/** This is set if a prefix is pending. */
265	bool fPendingPrefix;
266	bool afAlignment[3];
267	/** Pointer to the logger function.
268	* This is actually pointer to a wrapper which will push a pointer to the
269	* instance pointer onto the stack before jumping to the real logger function.
270	* A very unfortunate hack to work around the missing variadic macro support in C++. */
271	RCPTRTYPE(PFNRTLOGGER) pfnLogger;
272	/** Pointer to the flush function. */
273	PFNRTLOGFLUSHGC pfnFlush;
274	/** Magic number (RTLOGGERRC_MAGIC). */
275	uint32_t u32Magic;
276	/** Logger instance flags - RTLOGFLAGS. */
277	uint32_t fFlags;
278	/** Number of groups in the afGroups member. */
279	uint32_t cGroups;
280	/** Group flags array - RTLOGGRPFLAGS.
281	* This member have variable length and may extend way beyond
282	* the declared size of 1 entry. */
283	uint32_t afGroups[1];
284	};
285
286	/** RTLOGGERRC::u32Magic value. (John Rogers Searle) */
287	#define RTLOGGERRC_MAGIC 0x19320731
288
289
290
291	#ifndef IN_RC
292
293	/** Pointer to internal logger bits. */
294	typedef struct RTLOGGERINTERNAL *PRTLOGGERINTERNAL;
295
296	/**
297	* Logger instance structure.
298	*/
299	struct RTLOGGER
300	{
301	/** Pointer to temporary scratch buffer.
302	* This is used to format the log messages. */
303	char achScratch[49152];
304	/** Current scratch buffer position. */
305	uint32_t offScratch;
306	/** Magic number. */
307	uint32_t u32Magic;
308	/** Logger instance flags - RTLOGFLAGS. */
309	uint32_t fFlags;
310	/** Destination flags - RTLOGDEST. */
311	uint32_t fDestFlags;
312	/** Pointer to the internal bits of the logger.
313	* (The memory is allocated in the same block as RTLOGGER.) */
314	PRTLOGGERINTERNAL pInt;
315	/** Pointer to the logger function (used in non-C99 mode only).
316	*
317	* This is actually pointer to a wrapper which will push a pointer to the
318	* instance pointer onto the stack before jumping to the real logger function.
319	* A very unfortunate hack to work around the missing variadic macro
320	* support in older C++/C standards. (The memory is allocated using
321	* RTMemExecAlloc(), except for agnostic R0 code.) */
322	PFNRTLOGGER pfnLogger;
323	/** Number of groups in the afGroups and papszGroups members. */
324	uint32_t cGroups;
325	/** Group flags array - RTLOGGRPFLAGS.
326	* This member have variable length and may extend way beyond
327	* the declared size of 1 entry. */
328	uint32_t afGroups[1];
329	};
330
331	/** RTLOGGER::u32Magic value. (Avram Noam Chomsky) */
332	# define RTLOGGER_MAGIC UINT32_C(0x19281207)
333
334	#endif /* !IN_RC */
335
336
337	/**
338	* Logger flags.
339	*/
340	typedef enum RTLOGFLAGS
341	{
342	/** The logger instance is disabled for normal output. */
343	RTLOGFLAGS_DISABLED = 0x00000001,
344	/** The logger instance is using buffered output. */
345	RTLOGFLAGS_BUFFERED = 0x00000002,
346	/** The logger instance expands LF to CR/LF. */
347	RTLOGFLAGS_USECRLF = 0x00000010,
348	/** Append to the log destination where applicable. */
349	RTLOGFLAGS_APPEND = 0x00000020,
350	/** Show relative timestamps with PREFIX_TSC and PREFIX_TS */
351	RTLOGFLAGS_REL_TS = 0x00000040,
352	/** Show decimal timestamps with PREFIX_TSC and PREFIX_TS */
353	RTLOGFLAGS_DECIMAL_TS = 0x00000080,
354	/** Open the file in write through mode. */
355	RTLOGFLAGS_WRITE_THROUGH = 0x00000100,
356	/** Flush the file to disk when flushing the buffer. */
357	RTLOGFLAGS_FLUSH = 0x00000200,
358	/** Restrict the number of log entries per group. */
359	RTLOGFLAGS_RESTRICT_GROUPS = 0x00000400,
360	/** New lines should be prefixed with the write and read lock counts. */
361	RTLOGFLAGS_PREFIX_LOCK_COUNTS = 0x00008000,
362	/** New lines should be prefixed with the CPU id (ApicID on intel/amd). */
363	RTLOGFLAGS_PREFIX_CPUID = 0x00010000,
364	/** New lines should be prefixed with the native process id. */
365	RTLOGFLAGS_PREFIX_PID = 0x00020000,
366	/** New lines should be prefixed with group flag number causing the output. */
367	RTLOGFLAGS_PREFIX_FLAG_NO = 0x00040000,
368	/** New lines should be prefixed with group flag name causing the output. */
369	RTLOGFLAGS_PREFIX_FLAG = 0x00080000,
370	/** New lines should be prefixed with group number. */
371	RTLOGFLAGS_PREFIX_GROUP_NO = 0x00100000,
372	/** New lines should be prefixed with group name. */
373	RTLOGFLAGS_PREFIX_GROUP = 0x00200000,
374	/** New lines should be prefixed with the native thread id. */
375	RTLOGFLAGS_PREFIX_TID = 0x00400000,
376	/** New lines should be prefixed with thread name. */
377	RTLOGFLAGS_PREFIX_THREAD = 0x00800000,
378	/** New lines should be prefixed with data from a custom callback. */
379	RTLOGFLAGS_PREFIX_CUSTOM = 0x01000000,
380	/** New lines should be prefixed with formatted timestamp since program start. */
381	RTLOGFLAGS_PREFIX_TIME_PROG = 0x04000000,
382	/** New lines should be prefixed with formatted timestamp (UCT). */
383	RTLOGFLAGS_PREFIX_TIME = 0x08000000,
384	/** New lines should be prefixed with milliseconds since program start. */
385	RTLOGFLAGS_PREFIX_MS_PROG = 0x10000000,
386	/** New lines should be prefixed with timestamp. */
387	RTLOGFLAGS_PREFIX_TSC = 0x20000000,
388	/** New lines should be prefixed with timestamp. */
389	RTLOGFLAGS_PREFIX_TS = 0x40000000,
390	/** The prefix mask. */
391	RTLOGFLAGS_PREFIX_MASK = 0x7dff8000
392	} RTLOGFLAGS;
393
394	/**
395	* Logger per group flags.
396	*
397	* @remarks We only use the lower 16 bits here. We'll be combining it with the
398	* group number in a few places.
399	*/
400	typedef enum RTLOGGRPFLAGS
401	{
402	/** Enabled. */
403	RTLOGGRPFLAGS_ENABLED = 0x0001,
404	/** Flow logging. */
405	RTLOGGRPFLAGS_FLOW = 0x0002,
406	/** Warnings logging. */
407	RTLOGGRPFLAGS_WARN = 0x0004,
408	/* 0x0008 for later. */
409	/** Level 1 logging. */
410	RTLOGGRPFLAGS_LEVEL_1 = 0x0010,
411	/** Level 2 logging. */
412	RTLOGGRPFLAGS_LEVEL_2 = 0x0020,
413	/** Level 3 logging. */
414	RTLOGGRPFLAGS_LEVEL_3 = 0x0040,
415	/** Level 4 logging. */
416	RTLOGGRPFLAGS_LEVEL_4 = 0x0080,
417	/** Level 5 logging. */
418	RTLOGGRPFLAGS_LEVEL_5 = 0x0100,
419	/** Level 6 logging. */
420	RTLOGGRPFLAGS_LEVEL_6 = 0x0200,
421	/** Level 7 logging. */
422	RTLOGGRPFLAGS_LEVEL_7 = 0x0400,
423	/** Level 8 logging. */
424	RTLOGGRPFLAGS_LEVEL_8 = 0x0800,
425	/** Level 9 logging. */
426	RTLOGGRPFLAGS_LEVEL_9 = 0x1000,
427	/** Level 10 logging. */
428	RTLOGGRPFLAGS_LEVEL_10 = 0x2000,
429	/** Level 11 logging. */
430	RTLOGGRPFLAGS_LEVEL_11 = 0x4000,
431	/** Level 12 logging. */
432	RTLOGGRPFLAGS_LEVEL_12 = 0x8000,
433
434	/** Restrict the number of log entries. */
435	RTLOGGRPFLAGS_RESTRICT = 0x40000000,
436	/** Blow up the type. */
437	RTLOGGRPFLAGS_32BIT_HACK = 0x7fffffff
438	} RTLOGGRPFLAGS;
439
440	/**
441	* Logger destination types and flags.
442	*/
443	typedef enum RTLOGDEST
444	{
445	/** Log to file. */
446	RTLOGDEST_FILE = 0x00000001,
447	/** Log to stdout. */
448	RTLOGDEST_STDOUT = 0x00000002,
449	/** Log to stderr. */
450	RTLOGDEST_STDERR = 0x00000004,
451	/** Log to debugger (win32 only). */
452	RTLOGDEST_DEBUGGER = 0x00000008,
453	/** Log to com port. */
454	RTLOGDEST_COM = 0x00000010,
455	/** Log a memory ring buffer. */
456	RTLOGDEST_RINGBUF = 0x00000020,
457	/** Open files with no deny (share read, write, delete) on Windows. */
458	RTLOGDEST_F_NO_DENY = 0x00010000,
459	/** Delay opening the log file, logging to the buffer untill
460	* RTLogClearFileDelayFlag is called. */
461	RTLOGDEST_F_DELAY_FILE = 0x00020000,
462	/** Just a dummy flag to be used when no other flag applies. */
463	RTLOGDEST_DUMMY = 0x20000000,
464	/** Log to a user defined output stream. */
465	RTLOGDEST_USER = 0x40000000
466	} RTLOGDEST;
467
468
469	RTDECL(void) RTLogPrintfEx(void *pvInstance, unsigned fFlags, unsigned iGroup,
470	const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5);
471
472
473	#ifdef DOXYGEN_RUNNING
474	# define LOG_DISABLED
475	# define LOG_ENABLED
476	# define LOG_ENABLE_FLOW
477	#endif
478
479	/** @def LOG_DISABLED
480	* Use this compile time define to disable all logging macros. It can
481	* be overridden for each of the logging macros by the LOG_ENABLE*
482	* compile time defines.
483	*/
484
485	/** @def LOG_ENABLED
486	* Use this compile time define to enable logging when not in debug mode
487	* or LOG_DISABLED is set.
488	* This will enabled Log() only.
489	*/
490
491	/** @def LOG_ENABLE_FLOW
492	* Use this compile time define to enable flow logging when not in
493	* debug mode or LOG_DISABLED is defined.
494	* This will enable LogFlow() only.
495	*/
496
497	/*
498	* Determine whether logging is enabled and forcefully normalize the indicators.
499	*/
500	#if (defined(DEBUG) \|\| defined(LOG_ENABLED)) && !defined(LOG_DISABLED)
501	# undef LOG_DISABLED
502	# undef LOG_ENABLED
503	# define LOG_ENABLED
504	#else
505	# undef LOG_ENABLED
506	# undef LOG_DISABLED
507	# define LOG_DISABLED
508	#endif
509
510
511	/** @def LOG_USE_C99
512	* Governs the use of variadic macros.
513	*/
514	#ifndef LOG_USE_C99
515	# if defined(RT_ARCH_AMD64) \|\| defined(RT_OS_DARWIN) \|\| defined(RT_ARCH_SPARC) \|\| defined(RT_ARCH_SPARC64)
516	# define LOG_USE_C99
517	# endif
518	#endif
519
520
521	/** @name Macros for checking whether a log level is enabled.
522	* @{ */
523	/** @def LogIsItEnabled
524	* Checks whether the specified logging group is enabled or not.
525	*/
526	#ifdef LOG_ENABLED
527	# define LogIsItEnabled(a_fFlags, a_iGroup) ( RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)) != NULL )
528	#else
529	# define LogIsItEnabled(a_fFlags, a_iGroup) (false)
530	#endif
531
532	/** @def LogIsEnabled
533	* Checks whether level 1 logging is enabled.
534	*/
535	#define LogIsEnabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP)
536
537	/** @def LogIs2Enabled
538	* Checks whether level 2 logging is enabled.
539	*/
540	#define LogIs2Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP)
541
542	/** @def LogIs3Enabled
543	* Checks whether level 3 logging is enabled.
544	*/
545	#define LogIs3Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP)
546
547	/** @def LogIs4Enabled
548	* Checks whether level 4 logging is enabled.
549	*/
550	#define LogIs4Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP)
551
552	/** @def LogIs5Enabled
553	* Checks whether level 5 logging is enabled.
554	*/
555	#define LogIs5Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP)
556
557	/** @def LogIs6Enabled
558	* Checks whether level 6 logging is enabled.
559	*/
560	#define LogIs6Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP)
561
562	/** @def LogIs7Enabled
563	* Checks whether level 7 logging is enabled.
564	*/
565	#define LogIs7Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP)
566
567	/** @def LogIs8Enabled
568	* Checks whether level 8 logging is enabled.
569	*/
570	#define LogIs8Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP)
571
572	/** @def LogIs9Enabled
573	* Checks whether level 9 logging is enabled.
574	*/
575	#define LogIs9Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP)
576
577	/** @def LogIs10Enabled
578	* Checks whether level 10 logging is enabled.
579	*/
580	#define LogIs10Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP)
581
582	/** @def LogIs11Enabled
583	* Checks whether level 11 logging is enabled.
584	*/
585	#define LogIs11Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP)
586
587	/** @def LogIs12Enabled
588	* Checks whether level 12 logging is enabled.
589	*/
590	#define LogIs12Enabled() LogIsItEnabled(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP)
591
592	/** @def LogIsFlowEnabled
593	* Checks whether execution flow logging is enabled.
594	*/
595	#define LogIsFlowEnabled() LogIsItEnabled(RTLOGGRPFLAGS_FLOW, LOG_GROUP)
596
597	/** @def LogIsWarnEnabled
598	* Checks whether execution flow logging is enabled.
599	*/
600	#define LogIsWarnEnabled() LogIsItEnabled(RTLOGGRPFLAGS_WARN, LOG_GROUP)
601	/** @} */
602
603
604	/** @def LogIt
605	* Write to specific logger if group enabled.
606	*/
607	#ifdef LOG_ENABLED
608	# if defined(LOG_USE_C99)
609	# define _LogRemoveParentheseis(...) __VA_ARGS__
610	# define _LogIt(a_fFlags, a_iGroup, ...) \
611	do \
612	{ \
613	register PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
614	if (RT_LIKELY(!LogIt_pLogger)) \
615	{ /* likely */ } \
616	else \
617	RTLogLoggerEx(LogIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \
618	} while (0)
619	# define LogIt(a_fFlags, a_iGroup, fmtargs) _LogIt(a_fFlags, a_iGroup, _LogRemoveParentheseis fmtargs)
620	# define _LogItAlways(a_fFlags, a_iGroup, ...) RTLogLoggerEx(NULL, a_fFlags, UINT32_MAX, __VA_ARGS__)
621	# define LogItAlways(a_fFlags, a_iGroup, fmtargs) _LogItAlways(a_fFlags, a_iGroup, _LogRemoveParentheseis fmtargs)
622	/** @todo invent a flag or something for skipping the group check so we can pass iGroup. LogItAlways. */
623	# else
624	# define LogIt(a_fFlags, a_iGroup, fmtargs) \
625	do \
626	{ \
627	register PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
628	if (RT_LIKELY(!LogIt_pLogger)) \
629	{ /* likely */ } \
630	else \
631	{ \
632	LogIt_pLogger->pfnLogger fmtargs; \
633	} \
634	} while (0)
635	# define LogItAlways(a_fFlags, a_iGroup, fmtargs) \
636	do \
637	{ \
638	register PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(0, UINT16_MAX)); \
639	if (LogIt_pLogger) \
640	LogIt_pLogger->pfnLogger fmtargs; \
641	} while (0)
642	# endif
643	#else
644	# define LogIt(a_fFlags, a_iGroup, fmtargs) do { } while (0)
645	# define LogItAlways(a_fFlags, a_iGroup, fmtargs) do { } while (0)
646	# if defined(LOG_USE_C99)
647	# define _LogRemoveParentheseis(...) __VA_ARGS__
648	# define _LogIt(a_fFlags, a_iGroup, ...) do { } while (0)
649	# define _LogItAlways(a_fFlags, a_iGroup, ...) do { } while (0)
650	# endif
651	#endif
652
653
654	/** @name Basic logging macros
655	* @{ */
656	/** @def Log
657	* Level 1 logging that works regardless of the group settings.
658	*/
659	#define LogAlways(a) LogItAlways(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a)
660
661	/** @def Log
662	* Level 1 logging.
663	*/
664	#define Log(a) LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a)
665
666	/** @def Log2
667	* Level 2 logging.
668	*/
669	#define Log2(a) LogIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, a)
670
671	/** @def Log3
672	* Level 3 logging.
673	*/
674	#define Log3(a) LogIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, a)
675
676	/** @def Log4
677	* Level 4 logging.
678	*/
679	#define Log4(a) LogIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, a)
680
681	/** @def Log5
682	* Level 5 logging.
683	*/
684	#define Log5(a) LogIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, a)
685
686	/** @def Log6
687	* Level 6 logging.
688	*/
689	#define Log6(a) LogIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, a)
690
691	/** @def Log7
692	* Level 7 logging.
693	*/
694	#define Log7(a) LogIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, a)
695
696	/** @def Log8
697	* Level 8 logging.
698	*/
699	#define Log8(a) LogIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, a)
700
701	/** @def Log9
702	* Level 9 logging.
703	*/
704	#define Log9(a) LogIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, a)
705
706	/** @def Log10
707	* Level 10 logging.
708	*/
709	#define Log10(a) LogIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, a)
710
711	/** @def Log11
712	* Level 11 logging.
713	*/
714	#define Log11(a) LogIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, a)
715
716	/** @def Log12
717	* Level 12 logging.
718	*/
719	#define Log12(a) LogIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, a)
720
721	/** @def LogFlow
722	* Logging of execution flow.
723	*/
724	#define LogFlow(a) LogIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, a)
725
726	/** @def LogWarn
727	* Logging of warnings.
728	*/
729	#define LogWarn(a) LogIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, a)
730	/** @} */
731
732
733	/** @name Logging macros prefixing the current function name.
734	* @{ */
735	/** @def LogFunc
736	* Level 1 logging inside C/C++ functions.
737	*
738	* Prepends the given log message with the function name followed by a
739	* semicolon and space.
740	*
741	* @param a Log message in format <tt>("string\n" [, args])</tt>.
742	*/
743	#ifdef LOG_USE_C99
744	# define LogFunc(a) _LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
745	#else
746	# define LogFunc(a) do { Log((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log(a); } while (0)
747	#endif
748
749	/** @def Log2Func
750	* Level 2 logging inside C/C++ functions.
751	*
752	* Prepends the given log message with the function name followed by a
753	* semicolon and space.
754	*
755	* @param a Log message in format <tt>("string\n" [, args])</tt>.
756	*/
757	#ifdef LOG_USE_C99
758	# define Log2Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
759	#else
760	# define Log2Func(a) do { Log2((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log2(a); } while (0)
761	#endif
762
763	/** @def Log3Func
764	* Level 3 logging inside C/C++ functions.
765	*
766	* Prepends the given log message with the function name followed by a
767	* semicolon and space.
768	*
769	* @param a Log message in format <tt>("string\n" [, args])</tt>.
770	*/
771	#ifdef LOG_USE_C99
772	# define Log3Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
773	#else
774	# define Log3Func(a) do { Log3((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log3(a); } while (0)
775	#endif
776
777	/** @def Log4Func
778	* Level 4 logging inside C/C++ functions.
779	*
780	* Prepends the given log message with the function name followed by a
781	* semicolon and space.
782	*
783	* @param a Log message in format <tt>("string\n" [, args])</tt>.
784	*/
785	#ifdef LOG_USE_C99
786	# define Log4Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
787	#else
788	# define Log4Func(a) do { Log4((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log4(a); } while (0)
789	#endif
790
791	/** @def Log5Func
792	* Level 5 logging inside C/C++ functions.
793	*
794	* Prepends the given log message with the function name followed by a
795	* semicolon and space.
796	*
797	* @param a Log message in format <tt>("string\n" [, args])</tt>.
798	*/
799	#ifdef LOG_USE_C99
800	# define Log5Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
801	#else
802	# define Log5Func(a) do { Log5((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log5(a); } while (0)
803	#endif
804
805	/** @def Log6Func
806	* Level 6 logging inside C/C++ functions.
807	*
808	* Prepends the given log message with the function name followed by a
809	* semicolon and space.
810	*
811	* @param a Log message in format <tt>("string\n" [, args])</tt>.
812	*/
813	#ifdef LOG_USE_C99
814	# define Log6Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
815	#else
816	# define Log6Func(a) do { Log6((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log6(a); } while (0)
817	#endif
818
819	/** @def Log7Func
820	* Level 7 logging inside C/C++ functions.
821	*
822	* Prepends the given log message with the function name followed by a
823	* semicolon and space.
824	*
825	* @param a Log message in format <tt>("string\n" [, args])</tt>.
826	*/
827	#ifdef LOG_USE_C99
828	# define Log7Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
829	#else
830	# define Log7Func(a) do { Log7((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log7(a); } while (0)
831	#endif
832
833	/** @def Log8Func
834	* Level 8 logging inside C/C++ functions.
835	*
836	* Prepends the given log message with the function name followed by a
837	* semicolon and space.
838	*
839	* @param a Log message in format <tt>("string\n" [, args])</tt>.
840	*/
841	#ifdef LOG_USE_C99
842	# define Log8Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
843	#else
844	# define Log8Func(a) do { Log8((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log8(a); } while (0)
845	#endif
846
847	/** @def Log9Func
848	* Level 9 logging inside C/C++ functions.
849	*
850	* Prepends the given log message with the function name followed by a
851	* semicolon and space.
852	*
853	* @param a Log message in format <tt>("string\n" [, args])</tt>.
854	*/
855	#ifdef LOG_USE_C99
856	# define Log9Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
857	#else
858	# define Log9Func(a) do { Log9((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log9(a); } while (0)
859	#endif
860
861	/** @def Log10Func
862	* Level 10 logging inside C/C++ functions.
863	*
864	* Prepends the given log message with the function name followed by a
865	* semicolon and space.
866	*
867	* @param a Log message in format <tt>("string\n" [, args])</tt>.
868	*/
869	#ifdef LOG_USE_C99
870	# define Log10Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
871	#else
872	# define Log10Func(a) do { Log10((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log10(a); } while (0)
873	#endif
874
875	/** @def Log11Func
876	* Level 11 logging inside C/C++ functions.
877	*
878	* Prepends the given log message with the function name followed by a
879	* semicolon and space.
880	*
881	* @param a Log message in format <tt>("string\n" [, args])</tt>.
882	*/
883	#ifdef LOG_USE_C99
884	# define Log11Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
885	#else
886	# define Log11Func(a) do { Log11((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log11(a); } while (0)
887	#endif
888
889	/** @def Log12Func
890	* Level 12 logging inside C/C++ functions.
891	*
892	* Prepends the given log message with the function name followed by a
893	* semicolon and space.
894	*
895	* @param a Log message in format <tt>("string\n" [, args])</tt>.
896	*/
897	#ifdef LOG_USE_C99
898	# define Log12Func(a) _LogIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
899	#else
900	# define Log12Func(a) do { Log12((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); Log12(a); } while (0)
901	#endif
902
903	/** @def LogFlowFunc
904	* Macro to log the execution flow inside C/C++ functions.
905	*
906	* Prepends the given log message with the function name followed by
907	* a semicolon and space.
908	*
909	* @param a Log message in format <tt>("string\n" [, args])</tt>.
910	*/
911	#ifdef LOG_USE_C99
912	# define LogFlowFunc(a) \
913	_LogIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
914	#else
915	# define LogFlowFunc(a) \
916	do { LogFlow((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogFlow(a); } while (0)
917	#endif
918
919	/** @def LogWarnFunc
920	* Macro to log a warning inside C/C++ functions.
921	*
922	* Prepends the given log message with the function name followed by
923	* a semicolon and space.
924	*
925	* @param a Log message in format <tt>("string\n" [, args])</tt>.
926	*/
927	#ifdef LOG_USE_C99
928	# define LogWarnFunc(a) \
929	_LogIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, LOG_FN_FMT ": %M", __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
930	#else
931	# define LogWarnFunc(a) \
932	do { LogFlow((LOG_FN_FMT ": ", __PRETTY_FUNCTION__)); LogFlow(a); } while (0)
933	#endif
934	/** @} */
935
936
937	/** @name Logging macros prefixing the this pointer value and method name.
938	* @{ */
939
940	/** @def LogThisFunc
941	* Level 1 logging inside a C++ non-static method, with object pointer and
942	* method name prefixed to the given message.
943	* @param a Log message in format <tt>("string\n" [, args])</tt>.
944	*/
945	#ifdef LOG_USE_C99
946	# define LogThisFunc(a) \
947	_LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
948	#else
949	# define LogThisFunc(a) do { Log(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log(a); } while (0)
950	#endif
951
952	/** @def Log2ThisFunc
953	* Level 2 logging inside a C++ non-static method, with object pointer and
954	* method name prefixed to the given message.
955	* @param a Log message in format <tt>("string\n" [, args])</tt>.
956	*/
957	#ifdef LOG_USE_C99
958	# define Log2ThisFunc(a) \
959	_LogIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
960	#else
961	# define Log2ThisFunc(a) do { Log2(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log2(a); } while (0)
962	#endif
963
964	/** @def Log3ThisFunc
965	* Level 3 logging inside a C++ non-static method, with object pointer and
966	* method name prefixed to the given message.
967	* @param a Log message in format <tt>("string\n" [, args])</tt>.
968	*/
969	#ifdef LOG_USE_C99
970	# define Log3ThisFunc(a) \
971	_LogIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
972	#else
973	# define Log3ThisFunc(a) do { Log3(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log3(a); } while (0)
974	#endif
975
976	/** @def Log4ThisFunc
977	* Level 4 logging inside a C++ non-static method, with object pointer and
978	* method name prefixed to the given message.
979	* @param a Log message in format <tt>("string\n" [, args])</tt>.
980	*/
981	#ifdef LOG_USE_C99
982	# define Log4ThisFunc(a) \
983	_LogIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
984	#else
985	# define Log4ThisFunc(a) do { Log4(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log4(a); } while (0)
986	#endif
987
988	/** @def Log5ThisFunc
989	* Level 5 logging inside a C++ non-static method, with object pointer and
990	* method name prefixed to the given message.
991	* @param a Log message in format <tt>("string\n" [, args])</tt>.
992	*/
993	#ifdef LOG_USE_C99
994	# define Log5ThisFunc(a) \
995	_LogIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
996	#else
997	# define Log5ThisFunc(a) do { Log5(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log5(a); } while (0)
998	#endif
999
1000	/** @def Log6ThisFunc
1001	* Level 6 logging inside a C++ non-static method, with object pointer and
1002	* method name prefixed to the given message.
1003	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1004	*/
1005	#ifdef LOG_USE_C99
1006	# define Log6ThisFunc(a) \
1007	_LogIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1008	#else
1009	# define Log6ThisFunc(a) do { Log6(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log6(a); } while (0)
1010	#endif
1011
1012	/** @def Log7ThisFunc
1013	* Level 7 logging inside a C++ non-static method, with object pointer and
1014	* method name prefixed to the given message.
1015	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1016	*/
1017	#ifdef LOG_USE_C99
1018	# define Log7ThisFunc(a) \
1019	_LogIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1020	#else
1021	# define Log7ThisFunc(a) do { Log7(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log7(a); } while (0)
1022	#endif
1023
1024	/** @def Log8ThisFunc
1025	* Level 8 logging inside a C++ non-static method, with object pointer and
1026	* method name prefixed to the given message.
1027	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1028	*/
1029	#ifdef LOG_USE_C99
1030	# define Log8ThisFunc(a) \
1031	_LogIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1032	#else
1033	# define Log8ThisFunc(a) do { Log8(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log8(a); } while (0)
1034	#endif
1035
1036	/** @def Log9ThisFunc
1037	* Level 9 logging inside a C++ non-static method, with object pointer and
1038	* method name prefixed to the given message.
1039	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1040	*/
1041	#ifdef LOG_USE_C99
1042	# define Log9ThisFunc(a) \
1043	_LogIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1044	#else
1045	# define Log9ThisFunc(a) do { Log9(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log9(a); } while (0)
1046	#endif
1047
1048	/** @def Log10ThisFunc
1049	* Level 10 logging inside a C++ non-static method, with object pointer and
1050	* method name prefixed to the given message.
1051	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1052	*/
1053	#ifdef LOG_USE_C99
1054	# define Log10ThisFunc(a) \
1055	_LogIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1056	#else
1057	# define Log10ThisFunc(a) do { Log10(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log10(a); } while (0)
1058	#endif
1059
1060	/** @def Log11ThisFunc
1061	* Level 11 logging inside a C++ non-static method, with object pointer and
1062	* method name prefixed to the given message.
1063	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1064	*/
1065	#ifdef LOG_USE_C99
1066	# define Log11ThisFunc(a) \
1067	_LogIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1068	#else
1069	# define Log11ThisFunc(a) do { Log11(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log11(a); } while (0)
1070	#endif
1071
1072	/** @def Log12ThisFunc
1073	* Level 12 logging inside a C++ non-static method, with object pointer and
1074	* method name prefixed to the given message.
1075	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1076	*/
1077	#ifdef LOG_USE_C99
1078	# define Log12ThisFunc(a) \
1079	_LogIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1080	#else
1081	# define Log12ThisFunc(a) do { Log12(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); Log12(a); } while (0)
1082	#endif
1083
1084	/** @def LogFlowThisFunc
1085	* Flow level logging inside a C++ non-static method, with object pointer and
1086	* method name prefixed to the given message.
1087	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1088	*/
1089	#ifdef LOG_USE_C99
1090	# define LogFlowThisFunc(a) \
1091	_LogIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1092	#else
1093	# define LogFlowThisFunc(a) do { LogFlow(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); LogFlow(a); } while (0)
1094	#endif
1095
1096	/** @def LogWarnThisFunc
1097	* Warning level logging inside a C++ non-static method, with object pointer and
1098	* method name prefixed to the given message.
1099	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1100	*/
1101	#ifdef LOG_USE_C99
1102	# define LogWarnThisFunc(a) \
1103	_LogIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1104	#else
1105	# define LogWarnThisFunc(a) do { LogWarn(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); LogWarn(a); } while (0)
1106	#endif
1107	/** @} */
1108
1109
1110	/** @name Misc Logging Macros
1111	* @{ */
1112
1113	/** @def Log1Warning
1114	* The same as Log(), but prepents a <tt>"WARNING! "</tt> string to the message.
1115	*
1116	* @param a Custom log message in format <tt>("string\n" [, args])</tt>.
1117	*/
1118	#if defined(LOG_USE_C99)
1119	# define Log1Warning(a) _LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "WARNING! %M", _LogRemoveParentheseis a )
1120	#else
1121	# define Log1Warning(a) do { Log(("WARNING! ")); Log(a); } while (0)
1122	#endif
1123
1124	/** @def Log1WarningFunc
1125	* The same as LogWarning(), but prepents the log message with the function name.
1126	*
1127	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1128	*/
1129	#ifdef LOG_USE_C99
1130	# define Log1WarningFunc(a) \
1131	_LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": WARNING! %M", __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1132	#else
1133	# define Log1WarningFunc(a) \
1134	do { Log((LOG_FN_FMT ": WARNING! ", __PRETTY_FUNCTION__)); Log(a); } while (0)
1135	#endif
1136
1137	/** @def Log1WarningThisFunc
1138	* The same as LogWarningFunc() but for class functions (methods): the resulting
1139	* log line is additionally prepended with a hex value of \|this\| pointer.
1140	*
1141	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1142	*/
1143	#ifdef LOG_USE_C99
1144	# define Log1WarningThisFunc(a) \
1145	_LogIt(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": WARNING! %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1146	#else
1147	# define Log1WarningThisFunc(a) \
1148	do { Log(("{%p} " LOG_FN_FMT ": WARNING! ", this, __PRETTY_FUNCTION__)); Log(a); } while (0)
1149	#endif
1150
1151
1152	/** Shortcut to \|LogFlowFunc ("ENTER\n")\|, marks the beginnig of the function. */
1153	#define LogFlowFuncEnter() LogFlowFunc(("ENTER\n"))
1154
1155	/** Shortcut to \|LogFlowFunc ("LEAVE\n")\|, marks the end of the function. */
1156	#define LogFlowFuncLeave() LogFlowFunc(("LEAVE\n"))
1157
1158	/** Shortcut to \|LogFlowFunc ("LEAVE: %Rrc\n")\|, marks the end of the function. */
1159	#define LogFlowFuncLeaveRC(rc) LogFlowFunc(("LEAVE: %Rrc\n", (rc)))
1160
1161	/** Shortcut to \|LogFlowThisFunc ("ENTER\n")\|, marks the beginnig of the function. */
1162	#define LogFlowThisFuncEnter() LogFlowThisFunc(("ENTER\n"))
1163
1164	/** Shortcut to \|LogFlowThisFunc ("LEAVE\n")\|, marks the end of the function. */
1165	#define LogFlowThisFuncLeave() LogFlowThisFunc(("LEAVE\n"))
1166
1167
1168	/** @def LogObjRefCnt
1169	* Helper macro to print the current reference count of the given COM object
1170	* to the log file.
1171	*
1172	* @param pObj Pointer to the object in question (must be a pointer to an
1173	* IUnknown subclass or simply define COM-style AddRef() and
1174	* Release() methods)
1175	*/
1176	#define LogObjRefCnt(pObj) \
1177	do { \
1178	if (LogIsFlowEnabled()) \
1179	{ \
1180	int cRefsForLog = (pObj)->AddRef(); \
1181	LogFlow((#pObj "{%p}.refCnt=%d\n", (pObj), cRefsForLog - 1)); \
1182	(pObj)->Release(); \
1183	} \
1184	} while (0)
1185	/** @} */
1186
1187
1188
1189	/** @name Passing Function Call Position When Logging.
1190	*
1191	* This is a little bit ugly as we have to omit the comma before the
1192	* position parameters so that we don't inccur any overhead in non-logging
1193	* builds (!defined(LOG_ENABLED).
1194	*
1195	* @{ */
1196	/** Source position for passing to a function call. */
1197	#ifdef LOG_ENABLED
1198	# define RTLOG_COMMA_SRC_POS , __FILE__, __LINE__, __PRETTY_FUNCTION__
1199	#else
1200	# define RTLOG_COMMA_SRC_POS RT_NOTHING
1201	#endif
1202	/** Source position declaration. */
1203	#ifdef LOG_ENABLED
1204	# define RTLOG_COMMA_SRC_POS_DECL , const char pszFile, unsigned iLine, const char pszFunction
1205	#else
1206	# define RTLOG_COMMA_SRC_POS_DECL RT_NOTHING
1207	#endif
1208	/** Source position arguments. */
1209	#ifdef LOG_ENABLED
1210	# define RTLOG_COMMA_SRC_POS_ARGS , pszFile, iLine, pszFunction
1211	#else
1212	# define RTLOG_COMMA_SRC_POS_ARGS RT_NOTHING
1213	#endif
1214	/** Applies NOREF() to the source position arguments. */
1215	#ifdef LOG_ENABLED
1216	# define RTLOG_SRC_POS_NOREF() do { NOREF(pszFile); NOREF(iLine); NOREF(pszFunction); } while (0)
1217	#else
1218	# define RTLOG_SRC_POS_NOREF() do { } while (0)
1219	#endif
1220	/** @} */
1221
1222
1223
1224	/** @name Release Logging
1225	* @{
1226	*/
1227
1228	#ifdef DOXYGEN_RUNNING
1229	# define RTLOG_REL_DISABLED
1230	# define RTLOG_REL_ENABLED
1231	#endif
1232
1233	/** @def RTLOG_REL_DISABLED
1234	* Use this compile time define to disable all release logging
1235	* macros.
1236	*/
1237
1238	/** @def RTLOG_REL_ENABLED
1239	* Use this compile time define to override RTLOG_REL_DISABLE.
1240	*/
1241
1242	/*
1243	* Determine whether release logging is enabled and forcefully normalize the indicators.
1244	*/
1245	#if !defined(RTLOG_REL_DISABLED) \|\| defined(RTLOG_REL_ENABLED)
1246	# undef RTLOG_REL_DISABLED
1247	# undef RTLOG_REL_ENABLED
1248	# define RTLOG_REL_ENABLED
1249	#else
1250	# undef RTLOG_REL_ENABLED
1251	# undef RTLOG_REL_DISABLED
1252	# define RTLOG_REL_DISABLED
1253	#endif
1254
1255	/** @name Macros for checking whether a release log level is enabled.
1256	* @{ */
1257	/** @def LogRelIsItEnabled
1258	* Checks whether the specified release logging group is enabled or not.
1259	*/
1260	#define LogRelIsItEnabled(a_fFlags, a_iGroup) ( RTLogRelGetDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)) != NULL )
1261
1262	/** @def LogRelIsEnabled
1263	* Checks whether level 1 release logging is enabled.
1264	*/
1265	#define LogRelIsEnabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP)
1266
1267	/** @def LogRelIs2Enabled
1268	* Checks whether level 2 release logging is enabled.
1269	*/
1270	#define LogRelIs2Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP)
1271
1272	/** @def LogRelIs3Enabled
1273	* Checks whether level 3 release logging is enabled.
1274	*/
1275	#define LogRelIs3Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP)
1276
1277	/** @def LogRelIs4Enabled
1278	* Checks whether level 4 release logging is enabled.
1279	*/
1280	#define LogRelIs4Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP)
1281
1282	/** @def LogRelIs5Enabled
1283	* Checks whether level 5 release logging is enabled.
1284	*/
1285	#define LogRelIs5Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP)
1286
1287	/** @def LogRelIs6Enabled
1288	* Checks whether level 6 release logging is enabled.
1289	*/
1290	#define LogRelIs6Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP)
1291
1292	/** @def LogRelIs7Enabled
1293	* Checks whether level 7 release logging is enabled.
1294	*/
1295	#define LogRelIs7Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP)
1296
1297	/** @def LogRelIs8Enabled
1298	* Checks whether level 8 release logging is enabled.
1299	*/
1300	#define LogRelIs8Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP)
1301
1302	/** @def LogRelIs2Enabled
1303	* Checks whether level 9 release logging is enabled.
1304	*/
1305	#define LogRelIs9Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP)
1306
1307	/** @def LogRelIs10Enabled
1308	* Checks whether level 10 release logging is enabled.
1309	*/
1310	#define LogRelIs10Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP)
1311
1312	/** @def LogRelIs11Enabled
1313	* Checks whether level 10 release logging is enabled.
1314	*/
1315	#define LogRelIs11Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP)
1316
1317	/** @def LogRelIs12Enabled
1318	* Checks whether level 12 release logging is enabled.
1319	*/
1320	#define LogRelIs12Enabled() LogRelIsItEnabled(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP)
1321
1322	/** @def LogRelIsFlowEnabled
1323	* Checks whether execution flow release logging is enabled.
1324	*/
1325	#define LogRelIsFlowEnabled() LogRelIsItEnabled(RTLOGGRPFLAGS_FLOW, LOG_GROUP)
1326
1327	/** @def LogRelIsWarnEnabled
1328	* Checks whether warning level release logging is enabled.
1329	*/
1330	#define LogRelIsWarnEnabled() LogRelIsItEnabled(RTLOGGRPFLAGS_FLOW, LOG_GROUP)
1331	/** @} */
1332
1333
1334	/** @def LogRelIt
1335	* Write to specific logger if group enabled.
1336	*/
1337	/** @def LogRelItLikely
1338	* Write to specific logger if group enabled, assuming it likely it is enabled.
1339	*/
1340	/** @def LogRelMaxIt
1341	* Write to specific logger if group enabled and at less than a_cMax messages
1342	* have hit the log. Uses a static variable to count.
1343	*/
1344	#ifdef RTLOG_REL_ENABLED
1345	# if defined(LOG_USE_C99)
1346	# define _LogRelRemoveParentheseis(...) __VA_ARGS__
1347	# define _LogRelIt(a_fFlags, a_iGroup, ...) \
1348	do \
1349	{ \
1350	PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
1351	if (RT_LIKELY(!LogRelIt_pLogger)) \
1352	{ /* likely */ } \
1353	else \
1354	RTLogLoggerEx(LogRelIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \
1355	_LogIt(a_fFlags, a_iGroup, __VA_ARGS__); \
1356	} while (0)
1357	# define LogRelIt(a_fFlags, a_iGroup, fmtargs) \
1358	_LogRelIt(a_fFlags, a_iGroup, _LogRelRemoveParentheseis fmtargs)
1359	# define _LogRelItLikely(a_fFlags, a_iGroup, ...) \
1360	do \
1361	{ \
1362	PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
1363	if (LogRelIt_pLogger) \
1364	RTLogLoggerEx(LogRelIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \
1365	_LogIt(a_fFlags, a_iGroup, __VA_ARGS__); \
1366	} while (0)
1367	# define LogRelItLikely(a_fFlags, a_iGroup, fmtargs) \
1368	_LogRelItLikely(a_fFlags, a_iGroup, _LogRelRemoveParentheseis fmtargs)
1369	# define _LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, ...) \
1370	do \
1371	{ \
1372	PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
1373	if (LogRelIt_pLogger) \
1374	{ \
1375	static uint32_t s_LogRelMaxIt_cLogged = 0; \
1376	if (s_LogRelMaxIt_cLogged < (a_cMax)) \
1377	{ \
1378	s_LogRelMaxIt_cLogged++; \
1379	RTLogLoggerEx(LogRelIt_pLogger, a_fFlags, a_iGroup, __VA_ARGS__); \
1380	} \
1381	} \
1382	_LogIt(a_fFlags, a_iGroup, __VA_ARGS__); \
1383	} while (0)
1384	# define LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, fmtargs) \
1385	_LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, _LogRelRemoveParentheseis fmtargs)
1386	# else
1387	# define LogRelItLikely(a_fFlags, a_iGroup, fmtargs) \
1388	do \
1389	{ \
1390	PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
1391	if (LogRelIt_pLogger) \
1392	{ \
1393	LogRelIt_pLogger->pfnLogger fmtargs; \
1394	} \
1395	LogIt(a_fFlags, a_iGroup, fmtargs); \
1396	} while (0)
1397	# define LogRelIt(a_fFlags, a_iGroup, fmtargs) \
1398	do \
1399	{ \
1400	PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
1401	if (RT_LIKELY(!LogRelIt_pLogger)) \
1402	{ /* likely */ } \
1403	else \
1404	{ \
1405	LogRelIt_pLogger->pfnLogger fmtargs; \
1406	} \
1407	LogIt(a_fFlags, a_iGroup, fmtargs); \
1408	} while (0)
1409	# define LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, fmtargs) \
1410	do \
1411	{ \
1412	PRTLOGGER LogRelIt_pLogger = RTLogRelGetDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
1413	if (LogRelIt_pLogger) \
1414	{ \
1415	static uint32_t s_LogRelMaxIt_cLogged = 0; \
1416	if (s_LogRelMaxIt_cLogged < (a_cMax)) \
1417	{ \
1418	s_LogRelMaxIt_cLogged++; \
1419	LogRelIt_pLogger->pfnLogger fmtargs; \
1420	} \
1421	} \
1422	LogIt(a_fFlags, a_iGroup, fmtargs); \
1423	} while (0)
1424	# endif
1425	#else /* !RTLOG_REL_ENABLED */
1426	# define LogRelIt(a_fFlags, a_iGroup, fmtargs) do { } while (0)
1427	# define LogRelItLikely(a_fFlags, a_iGroup, fmtargs) do { } while (0)
1428	# define LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, fmtargs) do { } while (0)
1429	# if defined(LOG_USE_C99)
1430	# define _LogRelRemoveParentheseis(...) __VA_ARGS__
1431	# define _LogRelIt(a_fFlags, a_iGroup, ...) do { } while (0)
1432	# define _LogRelItLikely(a_fFlags, a_iGroup, ...) do { } while (0)
1433	# define _LogRelMaxIt(a_cMax, a_fFlags, a_iGroup, ...) do { } while (0)
1434	# endif
1435	#endif /* !RTLOG_REL_ENABLED */
1436
1437
1438	/** @name Basic release logging macros
1439	* @{ */
1440	/** @def LogRel
1441	* Level 1 release logging.
1442	*/
1443	#define LogRel(a) LogRelItLikely(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a)
1444
1445	/** @def LogRel2
1446	* Level 2 release logging.
1447	*/
1448	#define LogRel2(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, a)
1449
1450	/** @def LogRel3
1451	* Level 3 release logging.
1452	*/
1453	#define LogRel3(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, a)
1454
1455	/** @def LogRel4
1456	* Level 4 release logging.
1457	*/
1458	#define LogRel4(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, a)
1459
1460	/** @def LogRel5
1461	* Level 5 release logging.
1462	*/
1463	#define LogRel5(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, a)
1464
1465	/** @def LogRel6
1466	* Level 6 release logging.
1467	*/
1468	#define LogRel6(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, a)
1469
1470	/** @def LogRel7
1471	* Level 7 release logging.
1472	*/
1473	#define LogRel7(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, a)
1474
1475	/** @def LogRel8
1476	* Level 8 release logging.
1477	*/
1478	#define LogRel8(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, a)
1479
1480	/** @def LogRel9
1481	* Level 9 release logging.
1482	*/
1483	#define LogRel9(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, a)
1484
1485	/** @def LogRel10
1486	* Level 10 release logging.
1487	*/
1488	#define LogRel10(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, a)
1489
1490	/** @def LogRel11
1491	* Level 11 release logging.
1492	*/
1493	#define LogRel11(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, a)
1494
1495	/** @def LogRel12
1496	* Level 12 release logging.
1497	*/
1498	#define LogRel12(a) LogRelIt(RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, a)
1499
1500	/** @def LogRelFlow
1501	* Logging of execution flow.
1502	*/
1503	#define LogRelFlow(a) LogRelIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, a)
1504
1505	/** @def LogRelWarn
1506	* Warning level release logging.
1507	*/
1508	#define LogRelWarn(a) LogRelIt(RTLOGGRPFLAGS_WARN, LOG_GROUP, a)
1509	/** @} */
1510
1511
1512
1513	/** @name Basic release logging macros with local max
1514	* @{ */
1515	/** @def LogRelMax
1516	* Level 1 release logging with a max number of log entries.
1517	*/
1518	#define LogRelMax(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, a)
1519
1520	/** @def LogRelMax2
1521	* Level 2 release logging with a max number of log entries.
1522	*/
1523	#define LogRelMax2(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_2, LOG_GROUP, a)
1524
1525	/** @def LogRelMax3
1526	* Level 3 release logging with a max number of log entries.
1527	*/
1528	#define LogRelMax3(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_3, LOG_GROUP, a)
1529
1530	/** @def LogRelMax4
1531	* Level 4 release logging with a max number of log entries.
1532	*/
1533	#define LogRelMax4(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_4, LOG_GROUP, a)
1534
1535	/** @def LogRelMax5
1536	* Level 5 release logging with a max number of log entries.
1537	*/
1538	#define LogRelMax5(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_5, LOG_GROUP, a)
1539
1540	/** @def LogRelMax6
1541	* Level 6 release logging with a max number of log entries.
1542	*/
1543	#define LogRelMax6(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_6, LOG_GROUP, a)
1544
1545	/** @def LogRelMax7
1546	* Level 7 release logging with a max number of log entries.
1547	*/
1548	#define LogRelMax7(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_7, LOG_GROUP, a)
1549
1550	/** @def LogRelMax8
1551	* Level 8 release logging with a max number of log entries.
1552	*/
1553	#define LogRelMax8(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_8, LOG_GROUP, a)
1554
1555	/** @def LogRelMax9
1556	* Level 9 release logging with a max number of log entries.
1557	*/
1558	#define LogRelMax9(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_9, LOG_GROUP, a)
1559
1560	/** @def LogRelMax10
1561	* Level 10 release logging with a max number of log entries.
1562	*/
1563	#define LogRelMax10(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_10, LOG_GROUP, a)
1564
1565	/** @def LogRelMax11
1566	* Level 11 release logging with a max number of log entries.
1567	*/
1568	#define LogRelMax11(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_11, LOG_GROUP, a)
1569
1570	/** @def LogRelMax12
1571	* Level 12 release logging with a max number of log entries.
1572	*/
1573	#define LogRelMax12(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_12, LOG_GROUP, a)
1574
1575	/** @def LogRelMaxFlow
1576	* Logging of execution flow with a max number of log entries.
1577	*/
1578	#define LogRelMaxFlow(a_cMax, a) LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_FLOW, LOG_GROUP, a)
1579	/** @} */
1580
1581
1582	/** @name Release logging macros prefixing the current function name.
1583	* @{ */
1584
1585	/** @def LogRelFunc
1586	* Release logging. Prepends the given log message with the function name
1587	* followed by a semicolon and space.
1588	*/
1589	#ifdef LOG_USE_C99
1590	# define LogRelFunc(a) \
1591	_LogRelItLikely(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": %M", RT_GCC_EXTENSION __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1592	#else
1593	# define LogRelFunc(a) do { LogRel((LOG_FN_FMT ": ", RT_GCC_EXTENSION __PRETTY_FUNCTION__)); LogRel(a); } while (0)
1594	#endif
1595
1596	/** @def LogRelFlowFunc
1597	* Release logging. Macro to log the execution flow inside C/C++ functions.
1598	*
1599	* Prepends the given log message with the function name followed by
1600	* a semicolon and space.
1601	*
1602	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1603	*/
1604	#ifdef LOG_USE_C99
1605	# define LogRelFlowFunc(a) _LogRelIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, LOG_FN_FMT ": %M", __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1606	#else
1607	# define LogRelFlowFunc(a) do { LogRelFlow((LOG_FN_FMT ": ", __PRETTY_FUNCTION__)); LogRelFlow(a); } while (0)
1608	#endif
1609
1610	/** @def LogRelMaxFunc
1611	* Release logging. Prepends the given log message with the function name
1612	* followed by a semicolon and space.
1613	*/
1614	#ifdef LOG_USE_C99
1615	# define LogRelMaxFunc(a_cMax, a) \
1616	_LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, LOG_FN_FMT ": %M", __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1617	#else
1618	# define LogRelMaxFunc(a_cMax, a) \
1619	do { LogRelMax(a_cMax, (LOG_FN_FMT ": ", __PRETTY_FUNCTION__)); LogRelMax(a_cMax, a); } while (0)
1620	#endif
1621
1622	/** @def LogRelMaxFlowFunc
1623	* Release logging. Macro to log the execution flow inside C/C++ functions.
1624	*
1625	* Prepends the given log message with the function name followed by
1626	* a semicolon and space.
1627	*
1628	* @param a_cMax Max number of times this should hit the log.
1629	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1630	*/
1631	#ifdef LOG_USE_C99
1632	# define LogRelMaxFlowFunc(a_cMax, a) \
1633	_LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_FLOW, LOG_GROUP, LOG_FN_FMT ": %M", __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1634	#else
1635	# define LogRelMaxFlowFunc(a_cMax, a) \
1636	do { LogRelMaxFlow(a_cMax, (LOG_FN_FMT ": ", __PRETTY_FUNCTION__)); LogRelFlow(a_cMax, a); } while (0)
1637	#endif
1638
1639	/** @} */
1640
1641
1642	/** @name Release Logging macros prefixing the this pointer value and method name.
1643	* @{ */
1644
1645	/** @def LogRelThisFunc
1646	* The same as LogRelFunc but for class functions (methods): the resulting log
1647	* line is additionally prepended with a hex value of \|this\| pointer.
1648	*/
1649	#ifdef LOG_USE_C99
1650	# define LogRelThisFunc(a) \
1651	_LogRelItLikely(RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1652	#else
1653	# define LogRelThisFunc(a) \
1654	do { LogRel(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); LogRel(a); } while (0)
1655	#endif
1656
1657	/** @def LogRelMaxThisFunc
1658	* The same as LogRelFunc but for class functions (methods): the resulting log
1659	* line is additionally prepended with a hex value of \|this\| pointer.
1660	* @param a_cMax Max number of times this should hit the log.
1661	* @param a Log message in format <tt>("string\n" [, args])</tt>.
1662	*/
1663	#ifdef LOG_USE_C99
1664	# define LogRelMaxThisFunc(a_cMax, a) \
1665	_LogRelMaxIt(a_cMax, RTLOGGRPFLAGS_LEVEL_1, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1666	#else
1667	# define LogRelMaxThisFunc(a_cMax, a) \
1668	do { LogRelMax(a_cMax, ("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); LogRelMax(a_cMax, a); } while (0)
1669	#endif
1670
1671	/** @def LogRelFlowThisFunc
1672	* The same as LogRelFlowFunc but for class functions (methods): the resulting
1673	* log line is additionally prepended with a hex value of \|this\| pointer.
1674	*/
1675	#ifdef LOG_USE_C99
1676	# define LogRelFlowThisFunc(a) \
1677	_LogRelIt(RTLOGGRPFLAGS_FLOW, LOG_GROUP, "{%p} " LOG_FN_FMT ": %M", this, __PRETTY_FUNCTION__, _LogRemoveParentheseis a )
1678	#else
1679	# define LogRelFlowThisFunc(a) do { LogRelFlow(("{%p} " LOG_FN_FMT ": ", this, __PRETTY_FUNCTION__)); LogRelFlow(a); } while (0)
1680	#endif
1681
1682
1683	/** Shortcut to \|LogRelFlowFunc ("ENTER\n")\|, marks the beginnig of the function. */
1684	#define LogRelFlowFuncEnter() LogRelFlowFunc(("ENTER\n"))
1685
1686	/** Shortcut to \|LogRelFlowFunc ("LEAVE\n")\|, marks the end of the function. */
1687	#define LogRelFlowFuncLeave() LogRelFlowFunc(("LEAVE\n"))
1688
1689	/** Shortcut to \|LogRelFlowFunc ("LEAVE: %Rrc\n")\|, marks the end of the function. */
1690	#define LogRelFlowFuncLeaveRC(rc) LogRelFlowFunc(("LEAVE: %Rrc\n", (rc)))
1691
1692	/** Shortcut to \|LogRelFlowThisFunc ("ENTER\n")\|, marks the beginnig of the function. */
1693	#define LogRelFlowThisFuncEnter() LogRelFlowThisFunc(("ENTER\n"))
1694
1695	/** Shortcut to \|LogRelFlowThisFunc ("LEAVE\n")\|, marks the end of the function. */
1696	#define LogRelFlowThisFuncLeave() LogRelFlowThisFunc(("LEAVE\n"))
1697
1698	/** @} */
1699
1700
1701	#ifndef IN_RC
1702	/**
1703	* Sets the default release logger instance.
1704	*
1705	* @returns The old default instance.
1706	* @param pLogger The new default release logger instance.
1707	*/
1708	RTDECL(PRTLOGGER) RTLogRelSetDefaultInstance(PRTLOGGER pLogger);
1709	#endif /* !IN_RC */
1710
1711	/**
1712	* Gets the default release logger instance.
1713	*
1714	* @returns Pointer to default release logger instance if availble, otherwise NULL.
1715	*/
1716	RTDECL(PRTLOGGER) RTLogRelGetDefaultInstance(void);
1717
1718	/**
1719	* Gets the default release logger instance.
1720	*
1721	* @returns Pointer to default release logger instance if availble, otherwise NULL.
1722	* @param fFlagsAndGroup The flags in the lower 16 bits, the group number in
1723	* the high 16 bits.
1724	*/
1725	RTDECL(PRTLOGGER) RTLogRelGetDefaultInstanceEx(uint32_t fFlagsAndGroup);
1726
1727	/**
1728	* Write to a logger instance, defaulting to the release one.
1729	*
1730	* This function will check whether the instance, group and flags makes up a
1731	* logging kind which is currently enabled before writing anything to the log.
1732	*
1733	* @param pLogger Pointer to logger instance.
1734	* @param fFlags The logging flags.
1735	* @param iGroup The group.
1736	* The value ~0U is reserved for compatibility with RTLogLogger[V] and is
1737	* only for internal usage!
1738	* @param pszFormat Format string.
1739	* @param ... Format arguments.
1740	* @remark This is a worker function for LogRelIt.
1741	*/
1742	RTDECL(void) RTLogRelLogger(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup,
1743	const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5);
1744
1745	/**
1746	* Write to a logger instance, defaulting to the release one.
1747	*
1748	* This function will check whether the instance, group and flags makes up a
1749	* logging kind which is currently enabled before writing anything to the log.
1750	*
1751	* @param pLogger Pointer to logger instance. If NULL the default release instance is attempted.
1752	* @param fFlags The logging flags.
1753	* @param iGroup The group.
1754	* The value ~0U is reserved for compatibility with RTLogLogger[V] and is
1755	* only for internal usage!
1756	* @param pszFormat Format string.
1757	* @param args Format arguments.
1758	*/
1759	RTDECL(void) RTLogRelLoggerV(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup,
1760	const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(4, 0);
1761
1762	/**
1763	* printf like function for writing to the default release log.
1764	*
1765	* @param pszFormat Printf like format string.
1766	* @param ... Optional arguments as specified in pszFormat.
1767	*
1768	* @remark The API doesn't support formatting of floating point numbers at the moment.
1769	*/
1770	RTDECL(void) RTLogRelPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
1771
1772	/**
1773	* vprintf like function for writing to the default release log.
1774	*
1775	* @param pszFormat Printf like format string.
1776	* @param args Optional arguments as specified in pszFormat.
1777	*
1778	* @remark The API doesn't support formatting of floating point numbers at the moment.
1779	*/
1780	RTDECL(void) RTLogRelPrintfV(const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(1, 0);
1781
1782	/**
1783	* Changes the buffering setting of the default release logger.
1784	*
1785	* This can be used for optimizing longish logging sequences.
1786	*
1787	* @returns The old state.
1788	* @param fBuffered The new state.
1789	*/
1790	RTDECL(bool) RTLogRelSetBuffering(bool fBuffered);
1791
1792	/** @} */
1793
1794
1795
1796	/** @name COM port logging
1797	* {
1798	*/
1799
1800	#ifdef DOXYGEN_RUNNING
1801	# define LOG_TO_COM
1802	# define LOG_NO_COM
1803	#endif
1804
1805	/** @def LOG_TO_COM
1806	* Redirects the normal logging macros to the serial versions.
1807	*/
1808
1809	/** @def LOG_NO_COM
1810	* Disables all LogCom* macros.
1811	*/
1812
1813	/** @def LogCom
1814	* Generic logging to serial port.
1815	*/
1816	#if defined(LOG_ENABLED) && !defined(LOG_NO_COM)
1817	# define LogCom(a) RTLogComPrintf a
1818	#else
1819	# define LogCom(a) do { } while (0)
1820	#endif
1821
1822	/** @def LogComFlow
1823	* Logging to serial port of execution flow.
1824	*/
1825	#if defined(LOG_ENABLED) && defined(LOG_ENABLE_FLOW) && !defined(LOG_NO_COM)
1826	# define LogComFlow(a) RTLogComPrintf a
1827	#else
1828	# define LogComFlow(a) do { } while (0)
1829	#endif
1830
1831	#ifdef LOG_TO_COM
1832	# undef Log
1833	# define Log(a) LogCom(a)
1834	# undef LogFlow
1835	# define LogFlow(a) LogComFlow(a)
1836	#endif
1837
1838	/** @} */
1839
1840
1841	/** @name Backdoor Logging
1842	* @{
1843	*/
1844
1845	#ifdef DOXYGEN_RUNNING
1846	# define LOG_TO_BACKDOOR
1847	# define LOG_NO_BACKDOOR
1848	#endif
1849
1850	/** @def LOG_TO_BACKDOOR
1851	* Redirects the normal logging macros to the backdoor versions.
1852	*/
1853
1854	/** @def LOG_NO_BACKDOOR
1855	* Disables all LogBackdoor* macros.
1856	*/
1857
1858	/** @def LogBackdoor
1859	* Generic logging to the VBox backdoor via port I/O.
1860	*/
1861	#if defined(LOG_ENABLED) && !defined(LOG_NO_BACKDOOR)
1862	# define LogBackdoor(a) RTLogBackdoorPrintf a
1863	#else
1864	# define LogBackdoor(a) do { } while (0)
1865	#endif
1866
1867	/** @def LogBackdoorFlow
1868	* Logging of execution flow messages to the backdoor I/O port.
1869	*/
1870	#if defined(LOG_ENABLED) && !defined(LOG_NO_BACKDOOR)
1871	# define LogBackdoorFlow(a) RTLogBackdoorPrintf a
1872	#else
1873	# define LogBackdoorFlow(a) do { } while (0)
1874	#endif
1875
1876	/** @def LogRelBackdoor
1877	* Release logging to the VBox backdoor via port I/O.
1878	*/
1879	#if !defined(LOG_NO_BACKDOOR)
1880	# define LogRelBackdoor(a) RTLogBackdoorPrintf a
1881	#else
1882	# define LogRelBackdoor(a) do { } while (0)
1883	#endif
1884
1885	#ifdef LOG_TO_BACKDOOR
1886	# undef Log
1887	# define Log(a) LogBackdoor(a)
1888	# undef LogFlow
1889	# define LogFlow(a) LogBackdoorFlow(a)
1890	# undef LogRel
1891	# define LogRel(a) LogRelBackdoor(a)
1892	# if defined(LOG_USE_C99)
1893	# undef _LogIt
1894	# define _LogIt(a_fFlags, a_iGroup, ...) LogBackdoor((__VA_ARGS__))
1895	# endif
1896	#endif
1897
1898	/** @} */
1899
1900
1901
1902	/**
1903	* Gets the default logger instance, creating it if necessary.
1904	*
1905	* @returns Pointer to default logger instance if availble, otherwise NULL.
1906	*/
1907	RTDECL(PRTLOGGER) RTLogDefaultInstance(void);
1908
1909	/**
1910	* Gets the logger instance if enabled, creating it if necessary.
1911	*
1912	* @returns Pointer to default logger instance, if group has the specified
1913	* flags enabled. Otherwise NULL is returned.
1914	* @param fFlagsAndGroup The flags in the lower 16 bits, the group number in
1915	* the high 16 bits.
1916	*/
1917	RTDECL(PRTLOGGER) RTLogDefaultInstanceEx(uint32_t fFlagsAndGroup);
1918
1919	/**
1920	* Gets the default logger instance.
1921	*
1922	* @returns Pointer to default logger instance if availble, otherwise NULL.
1923	*/
1924	RTDECL(PRTLOGGER) RTLogGetDefaultInstance(void);
1925
1926	/**
1927	* Gets the default logger instance if enabled.
1928	*
1929	* @returns Pointer to default logger instance, if group has the specified
1930	* flags enabled. Otherwise NULL is returned.
1931	* @param fFlagsAndGroup The flags in the lower 16 bits, the group number in
1932	* the high 16 bits.
1933	*/
1934	RTDECL(PRTLOGGER) RTLogGetDefaultInstanceEx(uint32_t fFlagsAndGroup);
1935
1936	#ifndef IN_RC
1937	/**
1938	* Sets the default logger instance.
1939	*
1940	* @returns The old default instance.
1941	* @param pLogger The new default logger instance.
1942	*/
1943	RTDECL(PRTLOGGER) RTLogSetDefaultInstance(PRTLOGGER pLogger);
1944	#endif /* !IN_RC */
1945
1946	#ifdef IN_RING0
1947	/**
1948	* Changes the default logger instance for the current thread.
1949	*
1950	* @returns IPRT status code.
1951	* @param pLogger The logger instance. Pass NULL for deregistration.
1952	* @param uKey Associated key for cleanup purposes. If pLogger is NULL,
1953	* all instances with this key will be deregistered. So in
1954	* order to only deregister the instance associated with the
1955	* current thread use 0.
1956	*/
1957	RTDECL(int) RTLogSetDefaultInstanceThread(PRTLOGGER pLogger, uintptr_t uKey);
1958	#endif /* IN_RING0 */
1959
1960
1961	#ifndef IN_RC
1962	/**
1963	* Creates the default logger instance for a iprt users.
1964	*
1965	* Any user of the logging features will need to implement
1966	* this or use the generic dummy.
1967	*
1968	* @returns Pointer to the logger instance.
1969	*/
1970	RTDECL(PRTLOGGER) RTLogDefaultInit(void);
1971
1972	/**
1973	* Create a logger instance.
1974	*
1975	* @returns iprt status code.
1976	*
1977	* @param ppLogger Where to store the logger instance.
1978	* @param fFlags Logger instance flags, a combination of the
1979	* RTLOGFLAGS_* values.
1980	* @param pszGroupSettings The initial group settings.
1981	* @param pszEnvVarBase Base name for the environment variables for
1982	* this instance.
1983	* @param cGroups Number of groups in the array.
1984	* @param papszGroups Pointer to array of groups. This must stick
1985	* around for the life of the logger instance.
1986	* @param fDestFlags The destination flags. RTLOGDEST_FILE is ORed
1987	* if pszFilenameFmt specified.
1988	* @param pszFilenameFmt Log filename format string. Standard
1989	* RTStrFormat().
1990	* @param ... Format arguments.
1991	*/
1992	RTDECL(int) RTLogCreate(PRTLOGGER ppLogger, uint32_t fFlags, const char pszGroupSettings,
1993	const char pszEnvVarBase, unsigned cGroups, const char const * papszGroups,
1994	uint32_t fDestFlags, const char *pszFilenameFmt, ...) RT_IPRT_FORMAT_ATTR_MAYBE_NULL(8, 9);
1995
1996	/**
1997	* Create a logger instance.
1998	*
1999	* @returns iprt status code.
2000	*
2001	* @param ppLogger Where to store the logger instance.
2002	* @param fFlags Logger instance flags, a combination of the
2003	* RTLOGFLAGS_* values.
2004	* @param pszGroupSettings The initial group settings.
2005	* @param pszEnvVarBase Base name for the environment variables for
2006	* this instance.
2007	* @param cGroups Number of groups in the array.
2008	* @param papszGroups Pointer to array of groups. This must stick
2009	* around for the life of the logger instance.
2010	* @param fDestFlags The destination flags. RTLOGDEST_FILE is ORed
2011	* if pszFilenameFmt specified.
2012	* @param pfnPhase Callback function for starting logging and for
2013	* ending or starting a new file for log history
2014	* rotation. NULL is OK.
2015	* @param cHistory Number of old log files to keep when performing
2016	* log history rotation. 0 means no history.
2017	* @param cbHistoryFileMax Maximum size of log file when performing
2018	* history rotation. 0 means no size limit.
2019	* @param cSecsHistoryTimeSlot Maximum time interval per log file when
2020	* performing history rotation, in seconds.
2021	* 0 means time limit.
2022	* @param pErrInfo Where to return extended error information.
2023	* Optional.
2024	* @param pszFilenameFmt Log filename format string. Standard RTStrFormat().
2025	* @param ... Format arguments.
2026	*/
2027	RTDECL(int) RTLogCreateEx(PRTLOGGER ppLogger, uint32_t fFlags, const char pszGroupSettings,
2028	const char pszEnvVarBase, unsigned cGroups, const char const * papszGroups,
2029	uint32_t fDestFlags, PFNRTLOGPHASE pfnPhase, uint32_t cHistory,
2030	uint64_t cbHistoryFileMax, uint32_t cSecsHistoryTimeSlot, PRTERRINFO pErrInfo,
2031	const char *pszFilenameFmt, ...) RT_IPRT_FORMAT_ATTR_MAYBE_NULL(13, 14);
2032
2033	/**
2034	* Create a logger instance.
2035	*
2036	* @returns iprt status code.
2037	*
2038	* @param ppLogger Where to store the logger instance.
2039	* @param fFlags Logger instance flags, a combination of the
2040	* RTLOGFLAGS_* values.
2041	* @param pszGroupSettings The initial group settings.
2042	* @param pszEnvVarBase Base name for the environment variables for
2043	* this instance.
2044	* @param cGroups Number of groups in the array.
2045	* @param papszGroups Pointer to array of groups. This must stick
2046	* around for the life of the logger instance.
2047	* @param fDestFlags The destination flags. RTLOGDEST_FILE is ORed
2048	* if pszFilenameFmt specified.
2049	* @param pfnPhase Callback function for starting logging and for
2050	* ending or starting a new file for log history
2051	* rotation.
2052	* @param cHistory Number of old log files to keep when performing
2053	* log history rotation. 0 means no history.
2054	* @param cbHistoryFileMax Maximum size of log file when performing
2055	* history rotation. 0 means no size limit.
2056	* @param cSecsHistoryTimeSlot Maximum time interval per log file when
2057	* performing history rotation, in seconds.
2058	* 0 means no time limit.
2059	* @param pErrInfo Where to return extended error information.
2060	* Optional.
2061	* @param pszFilenameFmt Log filename format string. Standard
2062	* RTStrFormat().
2063	* @param args Format arguments.
2064	*/
2065	RTDECL(int) RTLogCreateExV(PRTLOGGER ppLogger, uint32_t fFlags, const char pszGroupSettings,
2066	const char pszEnvVarBase, unsigned cGroups, const char const * papszGroups,
2067	uint32_t fDestFlags, PFNRTLOGPHASE pfnPhase, uint32_t cHistory,
2068	uint64_t cbHistoryFileMax, uint32_t cSecsHistoryTimeSlot, PRTERRINFO pErrInfo,
2069	const char *pszFilenameFmt, va_list args) RT_IPRT_FORMAT_ATTR_MAYBE_NULL(13, 0);
2070
2071	/**
2072	* Create a logger instance for singled threaded ring-0 usage.
2073	*
2074	* @returns iprt status code.
2075	*
2076	* @param pLogger Where to create the logger instance.
2077	* @param cbLogger The amount of memory available for the logger instance.
2078	* @param pLoggerR0Ptr The ring-0 address corresponding to @a pLogger.
2079	* @param pfnLoggerR0Ptr Pointer to logger wrapper function.
2080	* @param pfnFlushR0Ptr Pointer to flush function.
2081	* @param fFlags Logger instance flags, a combination of the RTLOGFLAGS_* values.
2082	* @param fDestFlags The destination flags.
2083	*/
2084	RTDECL(int) RTLogCreateForR0(PRTLOGGER pLogger, size_t cbLogger,
2085	RTR0PTR pLoggerR0Ptr, RTR0PTR pfnLoggerR0Ptr, RTR0PTR pfnFlushR0Ptr,
2086	uint32_t fFlags, uint32_t fDestFlags);
2087
2088	/**
2089	* Calculates the minimum size of a ring-0 logger instance.
2090	*
2091	* @returns The minimum size.
2092	* @param cGroups The number of groups.
2093	* @param fFlags Relevant flags.
2094	*/
2095	RTDECL(size_t) RTLogCalcSizeForR0(uint32_t cGroups, uint32_t fFlags);
2096
2097	/**
2098	* Destroys a logger instance.
2099	*
2100	* The instance is flushed and all output destinations closed (where applicable).
2101	*
2102	* @returns iprt status code.
2103	* @param pLogger The logger instance which close destroyed. NULL is fine.
2104	*/
2105	RTDECL(int) RTLogDestroy(PRTLOGGER pLogger);
2106
2107	/**
2108	* Create a logger instance clone for RC usage.
2109	*
2110	* @returns iprt status code.
2111	*
2112	* @param pLogger The logger instance to be cloned.
2113	* @param pLoggerRC Where to create the RC logger instance.
2114	* @param cbLoggerRC Amount of memory allocated to for the RC logger
2115	* instance clone.
2116	* @param pfnLoggerRCPtr Pointer to logger wrapper function for this
2117	* instance (RC Ptr).
2118	* @param pfnFlushRCPtr Pointer to flush function (RC Ptr).
2119	* @param fFlags Logger instance flags, a combination of the RTLOGFLAGS_* values.
2120	*/
2121	RTDECL(int) RTLogCloneRC(PRTLOGGER pLogger, PRTLOGGERRC pLoggerRC, size_t cbLoggerRC,
2122	RTRCPTR pfnLoggerRCPtr, RTRCPTR pfnFlushRCPtr, uint32_t fFlags);
2123
2124	/**
2125	* Flushes a RC logger instance to a R3 logger.
2126	*
2127	* @returns iprt status code.
2128	* @param pLogger The R3 logger instance to flush pLoggerRC to. If NULL
2129	* the default logger is used.
2130	* @param pLoggerRC The RC logger instance to flush.
2131	*/
2132	RTDECL(void) RTLogFlushRC(PRTLOGGER pLogger, PRTLOGGERRC pLoggerRC);
2133
2134	/**
2135	* Flushes the buffer in one logger instance onto another logger.
2136	*
2137	* @returns iprt status code.
2138	*
2139	* @param pSrcLogger The logger instance to flush.
2140	* @param pDstLogger The logger instance to flush onto.
2141	* If NULL the default logger will be used.
2142	*/
2143	RTDECL(void) RTLogFlushToLogger(PRTLOGGER pSrcLogger, PRTLOGGER pDstLogger);
2144
2145	/**
2146	* Flushes a R0 logger instance to a R3 logger.
2147	*
2148	* @returns iprt status code.
2149	* @param pLogger The R3 logger instance to flush pLoggerR0 to. If NULL
2150	* the default logger is used.
2151	* @param pLoggerR0 The R0 logger instance to flush.
2152	*/
2153	RTDECL(void) RTLogFlushR0(PRTLOGGER pLogger, PRTLOGGER pLoggerR0);
2154
2155	/**
2156	* Sets the custom prefix callback.
2157	*
2158	* @returns IPRT status code.
2159	* @param pLogger The logger instance.
2160	* @param pfnCallback The callback.
2161	* @param pvUser The user argument for the callback.
2162	* */
2163	RTDECL(int) RTLogSetCustomPrefixCallback(PRTLOGGER pLogger, PFNRTLOGPREFIX pfnCallback, void *pvUser);
2164
2165	/**
2166	* Same as RTLogSetCustomPrefixCallback for loggers created by
2167	* RTLogCreateForR0.
2168	*
2169	* @returns IPRT status code.
2170	* @param pLogger The logger instance.
2171	* @param pLoggerR0Ptr The ring-0 address corresponding to @a pLogger.
2172	* @param pfnCallbackR0Ptr The callback.
2173	* @param pvUserR0Ptr The user argument for the callback.
2174	* */
2175	RTDECL(int) RTLogSetCustomPrefixCallbackForR0(PRTLOGGER pLogger, RTR0PTR pLoggerR0Ptr,
2176	RTR0PTR pfnCallbackR0Ptr, RTR0PTR pvUserR0Ptr);
2177
2178	/**
2179	* Copies the group settings and flags from logger instance to another.
2180	*
2181	* @returns IPRT status code.
2182	* @param pDstLogger The destination logger instance.
2183	* @param pDstLoggerR0Ptr The ring-0 address corresponding to @a pDstLogger.
2184	* @param pSrcLogger The source logger instance. If NULL the default one is used.
2185	* @param fFlagsOr OR mask for the flags.
2186	* @param fFlagsAnd AND mask for the flags.
2187	*/
2188	RTDECL(int) RTLogCopyGroupsAndFlagsForR0(PRTLOGGER pDstLogger, RTR0PTR pDstLoggerR0Ptr,
2189	PCRTLOGGER pSrcLogger, uint32_t fFlagsOr, uint32_t fFlagsAnd);
2190
2191	/**
2192	* Get the current log group settings as a string.
2193	*
2194	* @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW.
2195	* @param pLogger Logger instance (NULL for default logger).
2196	* @param pszBuf The output buffer.
2197	* @param cchBuf The size of the output buffer. Must be greater
2198	* than zero.
2199	*/
2200	RTDECL(int) RTLogGetGroupSettings(PRTLOGGER pLogger, char *pszBuf, size_t cchBuf);
2201
2202	/**
2203	* Updates the group settings for the logger instance using the specified
2204	* specification string.
2205	*
2206	* @returns iprt status code.
2207	* Failures can safely be ignored.
2208	* @param pLogger Logger instance (NULL for default logger).
2209	* @param pszValue Value to parse.
2210	*/
2211	RTDECL(int) RTLogGroupSettings(PRTLOGGER pLogger, const char *pszValue);
2212	#endif /* !IN_RC */
2213
2214	/**
2215	* Updates the flags for the logger instance using the specified
2216	* specification string.
2217	*
2218	* @returns iprt status code.
2219	* Failures can safely be ignored.
2220	* @param pLogger Logger instance (NULL for default logger).
2221	* @param pszValue Value to parse.
2222	*/
2223	RTDECL(int) RTLogFlags(PRTLOGGER pLogger, const char *pszValue);
2224
2225	/**
2226	* Changes the buffering setting of the specified logger.
2227	*
2228	* This can be used for optimizing longish logging sequences.
2229	*
2230	* @returns The old state.
2231	* @param pLogger The logger instance (NULL is an alias for the
2232	* default logger).
2233	* @param fBuffered The new state.
2234	*/
2235	RTDECL(bool) RTLogSetBuffering(PRTLOGGER pLogger, bool fBuffered);
2236
2237	/**
2238	* Sets the max number of entries per group.
2239	*
2240	* @returns Old restriction.
2241	*
2242	* @param pLogger The logger instance (NULL is an alias for the
2243	* default logger).
2244	* @param cMaxEntriesPerGroup The max number of entries per group.
2245	*
2246	* @remarks Lowering the limit of an active logger may quietly mute groups.
2247	* Raising it may reactive already muted groups.
2248	*/
2249	RTDECL(uint32_t) RTLogSetGroupLimit(PRTLOGGER pLogger, uint32_t cMaxEntriesPerGroup);
2250
2251	#ifndef IN_RC
2252	/**
2253	* Get the current log flags as a string.
2254	*
2255	* @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW.
2256	* @param pLogger Logger instance (NULL for default logger).
2257	* @param pszBuf The output buffer.
2258	* @param cchBuf The size of the output buffer. Must be greater
2259	* than zero.
2260	*/
2261	RTDECL(int) RTLogGetFlags(PRTLOGGER pLogger, char *pszBuf, size_t cchBuf);
2262
2263	/**
2264	* Updates the logger destination using the specified string.
2265	*
2266	* @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW.
2267	* @param pLogger Logger instance (NULL for default logger).
2268	* @param pszValue The value to parse.
2269	*/
2270	RTDECL(int) RTLogDestinations(PRTLOGGER pLogger, char const *pszValue);
2271
2272	/**
2273	* Clear the file delay flag if set, opening the destination and flushing.
2274	*
2275	* @returns IPRT status code.
2276	* @param pLogger Logger instance (NULL for default logger).
2277	* @param pszValue The value to parse.
2278	* @param pErrInfo Where to return extended error info. Optional.
2279	*/
2280	RTDECL(int) RTLogClearFileDelayFlag(PRTLOGGER pLogger, PRTERRINFO pErrInfo);
2281
2282	/**
2283	* Get the current log destinations as a string.
2284	*
2285	* @returns VINF_SUCCESS or VERR_BUFFER_OVERFLOW.
2286	* @param pLogger Logger instance (NULL for default logger).
2287	* @param pszBuf The output buffer.
2288	* @param cchBuf The size of the output buffer. Must be greater
2289	* than 0.
2290	*/
2291	RTDECL(int) RTLogGetDestinations(PRTLOGGER pLogger, char *pszBuf, size_t cchBuf);
2292	#endif /* !IN_RC */
2293
2294	/**
2295	* Flushes the specified logger.
2296	*
2297	* @param pLogger The logger instance to flush.
2298	* If NULL the default instance is used. The default instance
2299	* will not be initialized by this call.
2300	*/
2301	RTDECL(void) RTLogFlush(PRTLOGGER pLogger);
2302
2303	/**
2304	* Write to a logger instance.
2305	*
2306	* @param pLogger Pointer to logger instance.
2307	* @param pvCallerRet Ignored.
2308	* @param pszFormat Format string.
2309	* @param ... Format arguments.
2310	*/
2311	RTDECL(void) RTLogLogger(PRTLOGGER pLogger, void pvCallerRet, const char pszFormat, ...) RT_IPRT_FORMAT_ATTR(3, 4);
2312
2313	/**
2314	* Write to a logger instance.
2315	*
2316	* @param pLogger Pointer to logger instance.
2317	* @param pszFormat Format string.
2318	* @param args Format arguments.
2319	*/
2320	RTDECL(void) RTLogLoggerV(PRTLOGGER pLogger, const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(3, 0);
2321
2322	/**
2323	* Write to a logger instance.
2324	*
2325	* This function will check whether the instance, group and flags makes up a
2326	* logging kind which is currently enabled before writing anything to the log.
2327	*
2328	* @param pLogger Pointer to logger instance. If NULL the default logger instance will be attempted.
2329	* @param fFlags The logging flags.
2330	* @param iGroup The group.
2331	* The value ~0U is reserved for compatibility with RTLogLogger[V] and is
2332	* only for internal usage!
2333	* @param pszFormat Format string.
2334	* @param ... Format arguments.
2335	* @remark This is a worker function of LogIt.
2336	*/
2337	RTDECL(void) RTLogLoggerEx(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup,
2338	const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5);
2339
2340	/**
2341	* Write to a logger instance.
2342	*
2343	* This function will check whether the instance, group and flags makes up a
2344	* logging kind which is currently enabled before writing anything to the log.
2345	*
2346	* @param pLogger Pointer to logger instance. If NULL the default logger instance will be attempted.
2347	* @param fFlags The logging flags.
2348	* @param iGroup The group.
2349	* The value ~0U is reserved for compatibility with RTLogLogger[V] and is
2350	* only for internal usage!
2351	* @param pszFormat Format string.
2352	* @param args Format arguments.
2353	*/
2354	RTDECL(void) RTLogLoggerExV(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup,
2355	const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(4, 0);
2356
2357	/**
2358	* printf like function for writing to the default log.
2359	*
2360	* @param pszFormat Printf like format string.
2361	* @param ... Optional arguments as specified in pszFormat.
2362	*
2363	* @remark The API doesn't support formatting of floating point numbers at the moment.
2364	*/
2365	RTDECL(void) RTLogPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
2366
2367	/**
2368	* vprintf like function for writing to the default log.
2369	*
2370	* @param pszFormat Printf like format string.
2371	* @param va Optional arguments as specified in pszFormat.
2372	*
2373	* @remark The API doesn't support formatting of floating point numbers at the moment.
2374	*/
2375	RTDECL(void) RTLogPrintfV(const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(1, 0);
2376
2377	/**
2378	* Dumper vprintf-like function outputting to a logger.
2379	*
2380	* @param pvUser Pointer to the logger instance to use, NULL for
2381	* default instance.
2382	* @param pszFormat Format string.
2383	* @param va Format arguments.
2384	*/
2385	RTDECL(void) RTLogDumpPrintfV(void pvUser, const char pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(2, 0);
2386
2387
2388	#ifndef DECLARED_FNRTSTROUTPUT /* duplicated in iprt/string.h */
2389	#define DECLARED_FNRTSTROUTPUT
2390	/**
2391	* Output callback.
2392	*
2393	* @returns number of bytes written.
2394	* @param pvArg User argument.
2395	* @param pachChars Pointer to an array of utf-8 characters.
2396	* @param cbChars Number of bytes in the character array pointed to by pachChars.
2397	*/
2398	typedef DECLCALLBACK(size_t) FNRTSTROUTPUT(void pvArg, const char pachChars, size_t cbChars);
2399	/** Pointer to callback function. */
2400	typedef FNRTSTROUTPUT *PFNRTSTROUTPUT;
2401	#endif
2402
2403	/**
2404	* Partial vsprintf worker implementation.
2405	*
2406	* @returns number of bytes formatted.
2407	* @param pfnOutput Output worker.
2408	* Called in two ways. Normally with a string an it's length.
2409	* For termination, it's called with NULL for string, 0 for length.
2410	* @param pvArg Argument to output worker.
2411	* @param pszFormat Format string.
2412	* @param args Argument list.
2413	*/
2414	RTDECL(size_t) RTLogFormatV(PFNRTSTROUTPUT pfnOutput, void pvArg, const char pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(3, 0);
2415
2416	/**
2417	* Write log buffer to COM port.
2418	*
2419	* @param pach Pointer to the buffer to write.
2420	* @param cb Number of bytes to write.
2421	*/
2422	RTDECL(void) RTLogWriteCom(const char *pach, size_t cb);
2423
2424	/**
2425	* Prints a formatted string to the serial port used for logging.
2426	*
2427	* @returns Number of bytes written.
2428	* @param pszFormat Format string.
2429	* @param ... Optional arguments specified in the format string.
2430	*/
2431	RTDECL(size_t) RTLogComPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
2432
2433	/**
2434	* Prints a formatted string to the serial port used for logging.
2435	*
2436	* @returns Number of bytes written.
2437	* @param pszFormat Format string.
2438	* @param args Optional arguments specified in the format string.
2439	*/
2440	RTDECL(size_t) RTLogComPrintfV(const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(1, 0);
2441
2442
2443	#if 0 /* not implemented yet */
2444
2445	/** Indicates that the semaphores shall be used to notify the other
2446	* part about buffer changes. */
2447	#define LOGHOOKBUFFER_FLAGS_SEMAPHORED 1
2448
2449	/**
2450	* Log Hook Buffer.
2451	* Use to communicate between the logger and a log consumer.
2452	*/
2453	typedef struct RTLOGHOOKBUFFER
2454	{
2455	/** Write pointer. */
2456	volatile void *pvWrite;
2457	/** Read pointer. */
2458	volatile void *pvRead;
2459	/** Buffer start. */
2460	void *pvStart;
2461	/** Buffer end (exclusive). */
2462	void *pvEnd;
2463	/** Signaling semaphore used by the writer to wait on a full buffer.
2464	* Only used when indicated in flags. */
2465	void *pvSemWriter;
2466	/** Signaling semaphore used by the read to wait on an empty buffer.
2467	* Only used when indicated in flags. */
2468	void *pvSemReader;
2469	/** Buffer flags. Current reserved and set to zero. */
2470	volatile unsigned fFlags;
2471	} RTLOGHOOKBUFFER;
2472	/** Pointer to a log hook buffer. */
2473	typedef RTLOGHOOKBUFFER *PRTLOGHOOKBUFFER;
2474
2475
2476	/**
2477	* Register a logging hook.
2478	*
2479	* This type of logging hooks are expecting different threads acting
2480	* producer and consumer. They share a circular buffer which have two
2481	* pointers one for each end. When the buffer is full there are two
2482	* alternatives (indicated by a buffer flag), either wait for the
2483	* consumer to get it's job done, or to write a generic message saying
2484	* buffer overflow.
2485	*
2486	* Since the waiting would need a signal semaphore, we'll skip that for now.
2487	*
2488	* @returns iprt status code.
2489	* @param pBuffer Pointer to a logger hook buffer.
2490	*/
2491	RTDECL(int) RTLogRegisterHook(PRTLOGGER pLogger, PRTLOGHOOKBUFFER pBuffer);
2492
2493	/**
2494	* Deregister a logging hook registered with RTLogRegisterHook().
2495	*
2496	* @returns iprt status code.
2497	* @param pBuffer Pointer to a logger hook buffer.
2498	*/
2499	RTDECL(int) RTLogDeregisterHook(PRTLOGGER pLogger, PRTLOGHOOKBUFFER pBuffer);
2500
2501	#endif /* not implemented yet */
2502
2503
2504
2505	/**
2506	* Write log buffer to a debugger (RTLOGDEST_DEBUGGER).
2507	*
2508	* @param pach What to write.
2509	* @param cb How much to write.
2510	* @remark When linking statically, this function can be replaced by defining your own.
2511	*/
2512	RTDECL(void) RTLogWriteDebugger(const char *pach, size_t cb);
2513
2514	/**
2515	* Write log buffer to a user defined output stream (RTLOGDEST_USER).
2516	*
2517	* @param pach What to write.
2518	* @param cb How much to write.
2519	* @remark When linking statically, this function can be replaced by defining your own.
2520	*/
2521	RTDECL(void) RTLogWriteUser(const char *pach, size_t cb);
2522
2523	/**
2524	* Write log buffer to stdout (RTLOGDEST_STDOUT).
2525	*
2526	* @param pach What to write.
2527	* @param cb How much to write.
2528	* @remark When linking statically, this function can be replaced by defining your own.
2529	*/
2530	RTDECL(void) RTLogWriteStdOut(const char *pach, size_t cb);
2531
2532	/**
2533	* Write log buffer to stdout (RTLOGDEST_STDERR).
2534	*
2535	* @param pach What to write.
2536	* @param cb How much to write.
2537	* @remark When linking statically, this function can be replaced by defining your own.
2538	*/
2539	RTDECL(void) RTLogWriteStdErr(const char *pach, size_t cb);
2540
2541	#ifdef VBOX
2542
2543	/**
2544	* Prints a formatted string to the backdoor port.
2545	*
2546	* @returns Number of bytes written.
2547	* @param pszFormat Format string.
2548	* @param ... Optional arguments specified in the format string.
2549	*/
2550	RTDECL(size_t) RTLogBackdoorPrintf(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
2551
2552	/**
2553	* Prints a formatted string to the backdoor port.
2554	*
2555	* @returns Number of bytes written.
2556	* @param pszFormat Format string.
2557	* @param args Optional arguments specified in the format string.
2558	*/
2559	RTDECL(size_t) RTLogBackdoorPrintfV(const char *pszFormat, va_list args) RT_IPRT_FORMAT_ATTR(1, 0);
2560
2561	#endif /* VBOX */
2562
2563	RT_C_DECLS_END
2564
2565	/** @} */
2566
2567	#endif
2568

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source: vbox/trunk/include/iprt/log.h@ 71586

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