/usr/include/xbt/log.h is in libsimgrid-dev 3.18+dfsg-1.
This file is owned by root:root, with mode 0o644.
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/* Copyright (c) 2004-2017. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
/** @addtogroup XBT_log
* @brief A generic logging facility in the spirit of log4j (grounding feature)
*
*/
/** \defgroup XBT_log_cats Existing log categories
* \ingroup XBT_log
* \brief (automatically extracted)
*
* This is the list of all existing log categories in SimGrid.
* This list is automatically extracted from the source code by the tools/doxygen/xbt_log_extract_hierarchy.pl utility.
*
* It should thus contain every categories that are defined in the SimGrid library.
* If you want to see the one defined in your code in addition, provide `--help-logs` on the command line of your simulator.
*/
/* XBT_LOG_MAYDAY: define this to replace the logging facilities with basic
printf function. Useful to debug the logging facilities themselves, or to not make source analysis tools mad */
//#define XBT_LOG_MAYDAY
#ifndef XBT_LOG_H
#define XBT_LOG_H
#include "xbt/misc.h"
#include <stdarg.h>
#include <stddef.h> /* NULL */
SG_BEGIN_DECL()
/**\brief Log priorities
* \ingroup XBT_log
*
* The different existing priorities.
*/
typedef enum {
//! @cond
xbt_log_priority_none = 0, /** used internally (don't poke with)*/
//! @endcond
xbt_log_priority_trace = 1, /**< enter and return of some functions */
xbt_log_priority_debug = 2, /**< crufty output */
xbt_log_priority_verbose = 3, /**< verbose output for the user wanting more */
xbt_log_priority_info = 4, /**< output about the regular functionning */
xbt_log_priority_warning = 5, /**< minor issue encountered */
xbt_log_priority_error = 6, /**< issue encountered */
xbt_log_priority_critical = 7, /**< major issue encountered */
xbt_log_priority_infinite = 8, /**< value for XBT_LOG_STATIC_THRESHOLD to not log */
//! @cond
xbt_log_priority_uninitialized = -1 /* used internally (don't poke with) */
//! @endcond
} e_xbt_log_priority_t;
/*
* define NLOG to disable at compilation time any logging request
* define NDEBUG to disable at compilation time any logging request of priority below VERBOSE
*/
/**
* @def XBT_LOG_STATIC_THRESHOLD
* @ingroup XBT_log
*
* All logging requests with priority < XBT_LOG_STATIC_THRESHOLD are disabled at compile time, i.e., compiled out.
*/
#ifdef NLOG
# define XBT_LOG_STATIC_THRESHOLD xbt_log_priority_infinite
#else
# ifdef NDEBUG
# define XBT_LOG_STATIC_THRESHOLD xbt_log_priority_verbose
# else /* !NLOG && !NDEBUG */
# ifndef XBT_LOG_STATIC_THRESHOLD
# define XBT_LOG_STATIC_THRESHOLD xbt_log_priority_none
# endif /* !XBT_LOG_STATIC_THRESHOLD */
# endif /* NDEBUG */
#endif /* !defined(NLOG) */
/* Transforms a category name to a global variable name. */
#define _XBT_LOGV(cat) _XBT_LOG_CONCAT(_simgrid_log_category__, cat)
#define _XBT_LOGV_CTOR(cat) _XBT_LOG_CONCAT2(_XBT_LOGV(cat), __constructor__)
#define _XBT_LOG_CONCAT(x, y) x ## y
#define _XBT_LOG_CONCAT2(x, y) _XBT_LOG_CONCAT(x, y)
/* Apparently, constructor priorities are not supported by gcc on Macs */
#if defined(__GNUC__) && defined(__APPLE__)
# define _XBT_LOGV_CTOR_ATTRIBUTE
#else
# define _XBT_LOGV_CTOR_ATTRIBUTE _XBT_GNUC_CONSTRUCTOR(600)
#endif
/* The root of the category hierarchy. */
#define XBT_LOG_ROOT_CAT root
/* The whole tree of categories is connected by setting the address of the parent category as a field of the child one.
* This is normally done at the first use of the category.
*
* It is however necessary to make this connections as early as possible, if we want the category to be listed by
* --help-log-categories.
*
* When possible, the initializations takes place automatically before the start of main(). It's the case when
* compiling with gcc.
*
* For the other cases, you can use the XBT_LOG_CONNECT(cat) macro to force early initialization. See, for example,
* in xbt/log.c, the function xbt_log_connect_categories().
*/
#define XBT_LOG_CONNECT(cat) \
if (1) { \
extern void _XBT_LOGV_CTOR(cat)(void); \
_XBT_LOGV_CTOR(cat)(); \
} else ((void)0)
/* XBT_LOG_NEW_SUBCATEGORY_helper:
* Implementation of XBT_LOG_NEW_SUBCATEGORY, which must declare "extern parent" in addition to avoid an extra
* declaration of root when XBT_LOG_NEW_SUBCATEGORY is called by XBT_LOG_NEW_CATEGORY */
#define XBT_LOG_NEW_SUBCATEGORY_helper(catName, parent, desc) \
SG_BEGIN_DECL() \
extern void _XBT_LOGV_CTOR(catName)(void) _XBT_LOGV_CTOR_ATTRIBUTE; \
void _XBT_LOGV_CTOR(catName)(void) \
{ \
XBT_LOG_EXTERNAL_CATEGORY(catName); \
if (!_XBT_LOGV(catName).initialized) { \
_xbt_log_cat_init(&_XBT_LOGV(catName), xbt_log_priority_uninitialized); \
} \
} \
SG_END_DECL() \
XBT_EXPORT_NO_IMPORT(s_xbt_log_category_t) _XBT_LOGV(catName) = { \
&_XBT_LOGV(parent), \
NULL /* firstChild */, \
NULL /* nextSibling */, \
#catName, \
desc, \
0 /*initialized */, \
xbt_log_priority_uninitialized /* threshold */, \
1 /* isThreshInherited */, \
NULL /* appender */, \
NULL /* layout */, \
1 /* additivity */ \
}
/**
* \ingroup XBT_log
* \param catName name of new category
* \param parent father of the new category in the tree
* \param desc string describing the purpose of this category
* \hideinitializer
*
* Defines a new subcategory of the parent.
*/
#define XBT_LOG_NEW_SUBCATEGORY(catName, parent, desc) \
XBT_LOG_EXTERNAL_CATEGORY(parent); \
XBT_LOG_NEW_SUBCATEGORY_helper(catName, parent, desc) \
/**
* \ingroup XBT_log
* \param catName name of new category
* \param desc string describing the purpose of this category
* \hideinitializer
*
* Creates a new subcategory of the root category.
*/
# define XBT_LOG_NEW_CATEGORY(catName,desc) \
XBT_LOG_NEW_SUBCATEGORY_helper(catName, XBT_LOG_ROOT_CAT, desc)
/**
* \ingroup XBT_log
* \param cname name of the cat
* \hideinitializer
*
* Indicates which category is the default one.
*/
#if defined(XBT_LOG_MAYDAY) /*|| defined (NLOG) * turning logging off */
# define XBT_LOG_DEFAULT_CATEGORY(cname)
#else
#define XBT_LOG_DEFAULT_CATEGORY(cname) \
XBT_ATTRIB_UNUSED static xbt_log_category_t _XBT_LOGV(default) = &_XBT_LOGV(cname)
#endif
/**
* \ingroup XBT_log
* \param cname name of the cat
* \param desc string describing the purpose of this category
* \hideinitializer
*
* Creates a new subcategory of the root category and makes it the default (used by macros that don't explicitly
* specify a category).
*/
# define XBT_LOG_NEW_DEFAULT_CATEGORY(cname,desc) \
XBT_LOG_NEW_CATEGORY(cname,desc); \
XBT_LOG_DEFAULT_CATEGORY(cname)
/**
* \ingroup XBT_log
* \param cname name of the cat
* \param parent name of the parent
* \param desc string describing the purpose of this category
* \hideinitializer
*
* Creates a new subcategory of the parent category and makes it the default
* (used by macros that don't explicitly specify a category).
*/
#define XBT_LOG_NEW_DEFAULT_SUBCATEGORY(cname, parent, desc) \
XBT_LOG_NEW_SUBCATEGORY(cname, parent, desc); \
XBT_LOG_DEFAULT_CATEGORY(cname)
/**
* \ingroup XBT_log
* \param cname name of the cat
* \hideinitializer
*
* Indicates that a category you'll use in this file (e.g., to get subcategories of it) really lives in another file.
*/
#define XBT_LOG_EXTERNAL_CATEGORY(cname) \
extern s_xbt_log_category_t _XBT_LOGV(cname)
/**
* \ingroup XBT_log
* \param cname name of the cat
* \hideinitializer
*
* Indicates that the default category of this file was declared in another file.
*/
#define XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(cname) \
XBT_LOG_EXTERNAL_CATEGORY(cname);\
XBT_LOG_DEFAULT_CATEGORY(cname)
/* Functions you may call */
XBT_PUBLIC(void) xbt_log_control_set(const char *cs);
/* Forward declarations */
typedef struct xbt_log_appender_s s_xbt_log_appender_t;
typedef struct xbt_log_appender_s* xbt_log_appender_t;
typedef struct xbt_log_layout_s s_xbt_log_layout_t;
typedef struct xbt_log_layout_s* xbt_log_layout_t;
typedef struct xbt_log_event_s s_xbt_log_event_t;
typedef struct xbt_log_event_s* xbt_log_event_t;
typedef struct xbt_log_category_s s_xbt_log_category_t;
typedef struct xbt_log_category_s* xbt_log_category_t;
/* Do NOT access any members of this structure directly. FIXME: move to private? */
struct xbt_log_category_s {
xbt_log_category_t parent;
xbt_log_category_t firstChild;
xbt_log_category_t nextSibling;
const char *name;
const char *description;
int initialized;
int threshold;
int isThreshInherited;
xbt_log_appender_t appender;
xbt_log_layout_t layout;
int additivity;
};
struct xbt_log_event_s {
xbt_log_category_t cat;
e_xbt_log_priority_t priority;
const char *fileName;
const char *functionName;
int lineNum;
va_list ap;
char *buffer;
int buffer_size;
};
/**
* \ingroup XBT_log_implem
* \param cat the category (not only its name, but the variable)
* \param thresholdPriority the priority
*
* Programatically alters a category's threshold priority (don't use).
*/
XBT_PUBLIC(void) xbt_log_threshold_set(xbt_log_category_t cat, e_xbt_log_priority_t thresholdPriority);
/**
* \ingroup XBT_log_implem
* \param cat the category (not only its name, but the variable)
* \param app the appender
*
* Programatically sets the category's appender. (the preferred interface is through xbt_log_control_set())
*/
XBT_PUBLIC(void) xbt_log_appender_set(xbt_log_category_t cat, xbt_log_appender_t app);
/**
* \ingroup XBT_log_implem
* \param cat the category (not only its name, but the variable)
* \param lay the layout
*
* Programatically sets the category's layout. (the preferred interface is through xbt_log_control_set())
*/
XBT_PUBLIC(void) xbt_log_layout_set(xbt_log_category_t cat, xbt_log_layout_t lay);
/**
* \ingroup XBT_log_implem
* \param cat the category (not only its name, but the variable)
* \param additivity whether logging actions must be passed to parent.
*
* Programatically sets whether the logging actions must be passed to the parent category.
* (the preferred interface is through xbt_log_control_set())
*/
XBT_PUBLIC(void) xbt_log_additivity_set(xbt_log_category_t cat, int additivity);
/** @brief create a new simple layout
*
* This layout is not as flexible as the pattern one
*/
XBT_PUBLIC(xbt_log_layout_t) xbt_log_layout_simple_new(char *arg);
XBT_PUBLIC(xbt_log_layout_t) xbt_log_layout_format_new(char *arg);
XBT_PUBLIC(xbt_log_appender_t) xbt_log_appender_file_new(char *arg);
XBT_PUBLIC(xbt_log_appender_t) xbt_log_appender2_file_new(char *arg,int roll);
/* ********************************** */
/* Functions that you shouldn't call */
/* ********************************** */
XBT_PUBLIC(void) xbt_log_init(int *argc, char **argv);
XBT_PUBLIC(void) _xbt_log_event_log(xbt_log_event_t ev, const char *fmt, ...) XBT_ATTRIB_PRINTF(2, 3);
XBT_PUBLIC(int) _xbt_log_cat_init(xbt_log_category_t category, e_xbt_log_priority_t priority);
#ifdef DLL_EXPORT
XBT_PUBLIC_DATA(s_xbt_log_category_t) _XBT_LOGV(XBT_LOG_ROOT_CAT);
#else
// If we `dllexport` the root log category, MinGW does not want us to take its address with the error:
// > initializer element is not constant
// When using auto-import, MinGW is happy.
// We should handle this for non-root log categories as well.
extern s_xbt_log_category_t _XBT_LOGV(XBT_LOG_ROOT_CAT);
#endif
extern xbt_log_appender_t xbt_log_default_appender;
extern xbt_log_layout_t xbt_log_default_layout;
/* ********************** */
/* Public functions again */
/* ********************** */
/**
* \ingroup XBT_log
* \param catName name of the category
* \param priority minimal priority to be enabled to return true (must be #e_xbt_log_priority_t)
* \hideinitializer
*
* Returns true if the given priority is enabled for the category.
* If you have expensive expressions that are computed outside of the log command and used only within it, you should
* make its evaluation conditional using this macro.
*/
#define XBT_LOG_ISENABLED(catName, priority) \
_XBT_LOG_ISENABLEDV(_XBT_LOGV(catName), priority)
/*
* Helper function that implements XBT_LOG_ISENABLED.
*
* NOTES
* First part is a compile-time constant.
* Call to xbt_log_cat_init only happens once.
*/
#define _XBT_LOG_ISENABLEDV(catv, priority) \
(priority >= XBT_LOG_STATIC_THRESHOLD \
&& ((catv).initialized || _xbt_log_cat_init(&(catv), priority)) \
&& priority >= (catv).threshold)
/*
* Internal Macros
* Some kludge macros to ease maintenance. See how they're used below.
*
* IMPLEMENTATION NOTE: To reduce the parameter passing overhead of an enabled message, the many parameters passed to
* the logging function are packed in a structure. Since these values will be usually be passed to at least 3 functions,
* this is a win.
* It also allows adding new values (such as a timestamp) without breaking code.
* Setting the LogEvent's valist member is done inside _log_logEvent.
*/
/* Logging Macros */
#ifdef XBT_LOG_MAYDAY
# define XBT_CLOG(cat, prio, ...) \
_XBT_IF_ONE_ARG(_XBT_CLOG_ARG1, _XBT_CLOG_ARGN, __VA_ARGS__)(__VA_ARGS__)
# define _XBT_CLOG_ARG1(f) \
fprintf(stderr,"%s:%d:\n" f, __FILE__, __LINE__)
# define _XBT_CLOG_ARGN(f, ...) \
fprintf(stderr,"%s:%d:\n" f, __FILE__, __LINE__, __VA_ARGS__)
# define XBT_LOG(...) XBT_CLOG(0, __VA_ARGS__)
#else
// This code is duplicated to remove one level of indirection, working around a MSVC bug
// See: http://stackoverflow.com/questions/9183993/msvc-variadic-macro-expansion
# define XBT_CLOG(category, prio, ...) \
do { \
if (_XBT_LOG_ISENABLEDV((category), prio)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = &(category); \
_log_ev.priority = (prio); \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
# define XBT_LOG(prio,...) \
do { \
if (_XBT_LOG_ISENABLEDV((*_simgrid_log_category__default), prio)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = _simgrid_log_category__default; \
_log_ev.priority = (prio); \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
#endif
/** @ingroup XBT_log
* @hideinitializer
* \param categ the category on which to log
* \param ... the format string and its arguments
* @brief Log an event at the DEBUG priority on the specified category with these args.
*/
#define XBT_CDEBUG(categ, ...) \
do { \
if (XBT_LOG_ISENABLED (categ, xbt_log_priority_debug)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = &(_XBT_LOGV(categ)); \
_log_ev.priority = xbt_log_priority_debug; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the VERB priority on the specified category with these args.
*/
#define XBT_CVERB(categ, ...) \
do { \
if (XBT_LOG_ISENABLED (categ, xbt_log_priority_verbose)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = &(_XBT_LOGV(categ)); \
_log_ev.priority = xbt_log_priority_verbose; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the INFO priority on the specified category with these args.
*/
#define XBT_CINFO(categ, ...) \
do { \
if (XBT_LOG_ISENABLED (categ, xbt_log_priority_info)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = &(_XBT_LOGV(categ)); \
_log_ev.priority = xbt_log_priority_info; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the WARN priority on the specified category with these args.
*/
#define XBT_CWARN(categ, ...) \
do { \
if (XBT_LOG_ISENABLED (categ, xbt_log_priority_warning)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = &(_XBT_LOGV(categ)); \
_log_ev.priority = xbt_log_priority_warning; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the ERROR priority on the specified category with these args.
*/
#define XBT_CERROR(categ, ...) \
do { \
if (XBT_LOG_ISENABLED (categ, xbt_log_priority_error)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = &(_XBT_LOGV(categ)); \
_log_ev.priority = xbt_log_priority_error; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the CRITICAL priority on the specified category with these args (CCRITICALn exists for any n<10).
*/
#define XBT_CCRITICAL(categ, ...) \
do { \
if (XBT_LOG_ISENABLED (categ, xbt_log_priority_critical)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = &(_XBT_LOGV(categ)); \
_log_ev.priority = xbt_log_priority_critical; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* \param ... the format string and its arguments
* @brief Log an event at the DEBUG priority on the default category with these args.
*/
#define XBT_DEBUG(...) \
do { \
if (_XBT_LOG_ISENABLEDV(*_simgrid_log_category__default, \
xbt_log_priority_debug)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = _simgrid_log_category__default; \
_log_ev.priority = xbt_log_priority_debug; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the VERB priority on the default category with these args.
*/
#define XBT_VERB(...) \
do { \
if (_XBT_LOG_ISENABLEDV(*_simgrid_log_category__default, \
xbt_log_priority_verbose)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = _simgrid_log_category__default; \
_log_ev.priority = xbt_log_priority_verbose; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the INFO priority on the default category with these args.
*/
#define XBT_INFO(...) \
do { \
if (_XBT_LOG_ISENABLEDV(*_simgrid_log_category__default, \
xbt_log_priority_info)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = _simgrid_log_category__default; \
_log_ev.priority = xbt_log_priority_info; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the WARN priority on the default category with these args.
*/
#define XBT_WARN(...) \
do { \
if (_XBT_LOG_ISENABLEDV(*_simgrid_log_category__default, \
xbt_log_priority_warning)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = _simgrid_log_category__default; \
_log_ev.priority = xbt_log_priority_warning; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the ERROR priority on the default category with these args.
*/
#define XBT_ERROR(...) \
do { \
if (_XBT_LOG_ISENABLEDV(*_simgrid_log_category__default, \
xbt_log_priority_error)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = _simgrid_log_category__default; \
_log_ev.priority = xbt_log_priority_error; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log an event at the CRITICAL priority on the default category with these args.
*/
#define XBT_CRITICAL(...) \
do { \
if (_XBT_LOG_ISENABLEDV(*_simgrid_log_category__default, \
xbt_log_priority_critical)) { \
s_xbt_log_event_t _log_ev; \
_log_ev.cat = _simgrid_log_category__default; \
_log_ev.priority = xbt_log_priority_critical; \
_log_ev.fileName = __FILE__; \
_log_ev.functionName = __func__; \
_log_ev.lineNum = __LINE__; \
_xbt_log_event_log(&_log_ev, __VA_ARGS__); \
} \
} while (0)
#define _XBT_IN_OUT(...) \
_XBT_IF_ONE_ARG(_XBT_IN_OUT_ARG1, _XBT_IN_OUT_ARGN, __VA_ARGS__)(__VA_ARGS__)
#define _XBT_IN_OUT_ARG1(fmt) \
XBT_LOG(xbt_log_priority_trace, fmt, __func__)
#define _XBT_IN_OUT_ARGN(fmt, ...) \
XBT_LOG(xbt_log_priority_trace, fmt, __func__, __VA_ARGS__)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log at TRACE priority that we entered in current function, appending a user specified format.
*/
#define XBT_IN(...) _XBT_IN_OUT(">> begin of %s" __VA_ARGS__)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log at TRACE priority that we exited the current function, appending a user specified format.
*/
#define XBT_OUT(...) _XBT_IN_OUT("<< end of %s" __VA_ARGS__)
/** @ingroup XBT_log
* @hideinitializer
* @brief Log at TRACE priority a message indicating that we reached that point, appending a user specified format.
*/
#define XBT_HERE(...) XBT_LOG(xbt_log_priority_trace, "-- was here" __VA_ARGS__)
SG_END_DECL()
#endif /* ! _XBT_LOG_H_ */
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