1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/* $Id: logrel.cpp $ */
/** @file
* Runtime VBox - Release Logger.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/log.h>
#include "internal/iprt.h"
#ifndef IN_RC
# include <iprt/alloc.h>
# include <iprt/process.h>
# include <iprt/semaphore.h>
# include <iprt/thread.h>
# include <iprt/mp.h>
#endif
#ifdef IN_RING3
# include <iprt/file.h>
# include <iprt/path.h>
#endif
#include <iprt/time.h>
#include <iprt/asm.h>
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include <iprt/param.h>
#include <iprt/stdarg.h>
#include <iprt/string.h>
#include <iprt/ctype.h>
#ifdef IN_RING3
# include <iprt/alloca.h>
# include <stdio.h>
#endif
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
#ifdef IN_RC
/** Default release logger instance. */
extern "C" DECLIMPORT(RTLOGGERRC) g_RelLogger;
#else /* !IN_RC */
/** Default release logger instance. */
static PRTLOGGER g_pRelLogger;
#endif /* !IN_RC */
RTDECL(PRTLOGGER) RTLogRelGetDefaultInstance(void)
{
#ifdef IN_RC
return &g_RelLogger;
#else /* !IN_RC */
return g_pRelLogger;
#endif /* !IN_RC */
}
RT_EXPORT_SYMBOL(RTLogRelGetDefaultInstance);
RTDECL(PRTLOGGER) RTLogRelGetDefaultInstanceEx(uint32_t fFlagsAndGroup)
{
#ifdef IN_RC
PRTLOGGER pLogger = &g_RelLogger;
#else /* !IN_RC */
PRTLOGGER pLogger = g_pRelLogger;
#endif /* !IN_RC */
if (pLogger)
{
if (pLogger->fFlags & RTLOGFLAGS_DISABLED)
pLogger = NULL;
else
{
uint16_t const fFlags = RT_LO_U16(fFlagsAndGroup);
uint16_t const iGroup = RT_HI_U16(fFlagsAndGroup);
if ( iGroup != UINT16_MAX
&& ( (pLogger->afGroups[iGroup < pLogger->cGroups ? iGroup : 0] & (fFlags | (uint32_t)RTLOGGRPFLAGS_ENABLED))
!= (fFlags | (uint32_t)RTLOGGRPFLAGS_ENABLED)))
pLogger = NULL;
}
}
return pLogger;
}
RT_EXPORT_SYMBOL(RTLogRelGetDefaultInstanceEx);
#ifndef IN_RC
/**
* Sets the default logger instance.
*
* @returns iprt status code.
* @param pLogger The new default release logger instance.
*/
RTDECL(PRTLOGGER) RTLogRelSetDefaultInstance(PRTLOGGER pLogger)
{
return ASMAtomicXchgPtrT(&g_pRelLogger, pLogger, PRTLOGGER);
}
RT_EXPORT_SYMBOL(RTLogRelSetDefaultInstance);
#endif /* !IN_RC */
/**
* Write to a logger instance, defaulting to the release one.
*
* This function will check whether the instance, group and flags makes up a
* logging kind which is currently enabled before writing anything to the log.
*
* @param pLogger Pointer to logger instance. If NULL the default release instance is attempted.
* @param fFlags The logging flags.
* @param iGroup The group.
* The value ~0U is reserved for compatibility with RTLogLogger[V] and is
* only for internal usage!
* @param pszFormat Format string.
* @param args Format arguments.
*/
RTDECL(void) RTLogRelLoggerV(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, const char *pszFormat, va_list args)
{
/*
* A NULL logger means default instance.
*/
if (!pLogger)
{
pLogger = RTLogRelGetDefaultInstance();
if (!pLogger)
return;
}
RTLogLoggerExV(pLogger, fFlags, iGroup, pszFormat, args);
}
RT_EXPORT_SYMBOL(RTLogRelLoggerV);
/**
* vprintf like function for writing to the default release log.
*
* @param pszFormat Printf like format string.
* @param args Optional arguments as specified in pszFormat.
*
* @remark The API doesn't support formatting of floating point numbers at the moment.
*/
RTDECL(void) RTLogRelPrintfV(const char *pszFormat, va_list args)
{
RTLogRelLoggerV(NULL, 0, ~0U, pszFormat, args);
}
RT_EXPORT_SYMBOL(RTLogRelPrintfV);
/**
* Changes the buffering setting of the default release logger.
*
* This can be used for optimizing longish logging sequences.
*
* @returns The old state.
* @param fBuffered The new state.
*/
RTDECL(bool) RTLogRelSetBuffering(bool fBuffered)
{
PRTLOGGER pLogger = RTLogRelGetDefaultInstance();
if (pLogger)
return RTLogSetBuffering(pLogger, fBuffered);
return false;
}
RT_EXPORT_SYMBOL(RTLogRelSetBuffering);
|
