include/xbt/log.h

   1 /* $Id$ */
   2
   3 /* log - a generic logging facility in the spirit of log4j                  */
   4
   5 /* Authors: Martin Quinson                                                  */
   6 /* Copyright (C) 2003, 2004 Martin Quinson.                                 */
   7
   8 /* This program is free software; you can redistribute it and/or modify it
   9    under the terms of the license (GNU LGPL) which comes with this package. */
  10
  11 /* GRAS_LOG_MAYDAY: define this to replace the logging facilities with basic
  12    printf function. Useful to debug the logging facilities themselves */
  13 #undef GRAS_LOG_MAYDAY
  14 /*#define GRAS_LOG_MAYDAY*/
  15
  16 #ifndef _GRAS_LOG_H_
  17 #define _GRAS_LOG_H_
  18
  19 #include <stdarg.h>
  20
  21 #include "xbt/sysdep.h"
  22
  23 /**
  24  * e_gras_log_priority_t:
  25  * @gras_log_priority_none:          used internally (don't poke with)
  26  * @gras_log_priority_debug:         crufty output
  27  * @gras_log_priority_verbose:       verbose output for the user wanting more
  28  * @gras_log_priority_info:          output about the regular functionning
  29  * @gras_log_priority_warning:       minor issue encountered
  30  * @gras_log_priority_error:         issue encountered
  31  * @gras_log_priority_critical:      major issue encountered
  32  * @gras_log_priority_infinite:      value for GRAS_LOG_STATIC_THRESHOLD to not log
  33  * @gras_log_priority_uninitialized: used internally (don't poke with)
  34  *
  35  * The different existing priorities.
  36  */
  37 typedef enum {
  38   gras_log_priority_none          = 0,
  39   gras_log_priority_trace         = 1,
  40   gras_log_priority_debug         = 2,
  41   gras_log_priority_verbose       = 3,
  42   gras_log_priority_info          = 4,
  43   gras_log_priority_warning       = 5,
  44   gras_log_priority_error         = 6,
  45   gras_log_priority_critical      = 7,
  46
  47   gras_log_priority_infinite      = 8,
  48
  49   gras_log_priority_uninitialized = -1
  50 } e_gras_log_priority_t;
  51
  52
  53 /**
  54  * NLOG:
  55  *
  56  * All logging facilities are disabled at compilation time
  57  */
  58
  59
  60 /**
  61  * GRAS_LOG_STATIC_THRESHOLD:
  62  *
  63  * All logging with priority < GRAS_LOG_STATIC_THRESHOLD is disabled at
  64  * compile time, i.e., compiled out.
  65  */
  66 #ifdef NLOG
  67 #  define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_infinite
  68 #else
  69
  70 #  ifdef NDEBUG
  71 #    define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_verbose
  72 #  else /* !NLOG && !NDEBUG */
  73
  74 #    ifndef GRAS_LOG_STATIC_THRESHOLD
  75 #      define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_none
  76 #    endif /* !GRAS_LOG_STATIC_THRESHOLD */
  77 #  endif /* NDEBUG */
  78 #endif /* !defined(NLOG) */
  79
  80 /* Transforms a category name to a global variable name. */
  81 #define _GRAS_LOGV(cat)   _GRAS_LOG_CONCAT(_gras_this_log_category_does_not_exist__, cat)
  82 #define _GRAS_LOG_CONCAT(x,y) x ## y
  83
  84 /* The root of the category hierarchy. */
  85 #define GRAS_LOG_ROOT_CAT   root
  86
  87 /**
  88  * GRAS_LOG_NEW_SUBCATEGORY:
  89  * @catName: name of new category
  90  * @parent: father of the new category in the tree
  91  * @desc: string describing the purpose of this category
  92  *
  93  * Defines a new subcategory of the parent.
  94  */
  95 #define GRAS_LOG_NEW_SUBCATEGORY(catName, parent, desc) \
  96     extern s_gras_log_category_t _GRAS_LOGV(parent);    \
  97     s_gras_log_category_t _GRAS_LOGV(catName) = {       \
  98         &_GRAS_LOGV(parent), 0, 0,                    \
  99         #catName, gras_log_priority_uninitialized, 1, \
 100         0, 1                                          \
 101     }
 102
 103 /**
 104  * GRAS_LOG_NEW_CATEGORY:
 105  * @catName: name of new category
 106  * @desc: string describing the purpose of this category
 107  *
 108  * Creates a new subcategory of the root category.
 109  */
 110 #define GRAS_LOG_NEW_CATEGORY(catName,desc)  GRAS_LOG_NEW_SUBCATEGORY(catName, GRAS_LOG_ROOT_CAT, desc)
 111
 112 /**
 113  * GRAS_LOG_DEFAULT_CATEGORY:
 114  * @cname: name of the cat
 115  *
 116  * Indicates which category is the default one.
 117  */
 118
 119 #if defined(GRAS_LOG_MAYDAY) /*|| defined (NLOG) * turning logging off */
 120 # define GRAS_LOG_DEFAULT_CATEGORY(cname)
 121 #else
 122 # define GRAS_LOG_DEFAULT_CATEGORY(cname) \
 123          static gras_log_category_t _GRAS_LOGV(default) = &_GRAS_LOGV(cname)
 124 #endif
 125
 126 /**
 127  * GRAS_LOG_NEW_DEFAULT_CATEGORY:
 128  * @cname: name of the cat
 129  * @desc: string describing the purpose of this category
 130  *
 131  * Creates a new subcategory of the root category and makes it the default
 132  * (used by macros that don't explicitly specify a category).
 133  */
 134 #define GRAS_LOG_NEW_DEFAULT_CATEGORY(cname,desc)        \
 135     GRAS_LOG_NEW_CATEGORY(cname,desc);                   \
 136     GRAS_LOG_DEFAULT_CATEGORY(cname)
 137
 138 /**
 139  * GRAS_LOG_NEW_DEFAULT_SUBCATEGORY:
 140  * @cname: name of the cat
 141  * @parent: name of the parent
 142  * @desc: string describing the purpose of this category
 143  *
 144  * Creates a new subcategory of the parent category and makes it the default
 145  * (used by macros that don't explicitly specify a category).
 146  */
 147 #define GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(cname, parent, desc) \
 148     GRAS_LOG_NEW_SUBCATEGORY(cname, parent, desc);            \
 149     GRAS_LOG_DEFAULT_CATEGORY(cname)
 150
 151 /**
 152  * GRAS_LOG_EXTERNAL_CATEGORY:
 153  * @cname: name of the cat
 154  *
 155  * Indicates that a category you'll use in this file (to get subcategories of it,
 156  * for example) really lives in another file.
 157  */
 158
 159 #define GRAS_LOG_EXTERNAL_CATEGORY(cname) \
 160    extern s_gras_log_category_t _GRAS_LOGV(cname)
 161
 162 /* Functions you may call */
 163
 164 extern void gras_log_control_set(const char* cs);
 165
 166 /* Forward declarations */
 167 typedef struct gras_log_appender_s s_gras_log_appender_t,*gras_log_appender_t;
 168 typedef struct gras_log_event_s    s_gras_log_event_t,   *gras_log_event_t;
 169 typedef struct gras_log_category_s s_gras_log_category_t,*gras_log_category_t;
 170
 171 /**
 172  * Do NOT access any members of this structure directly. FIXME: move to private?
 173  */
 174 struct gras_log_category_s {
 175             gras_log_category_t parent;
 176 /*@null@*/  gras_log_category_t firstChild;
 177 /*@null@*/  gras_log_category_t nextSibling;
 178             const char *name;
 179             int threshold;
 180             int isThreshInherited;
 181 /*@null@*/  gras_log_appender_t appender;
 182             int willLogToParent;
 183   /* TODO: Formats? */
 184 };
 185
 186 struct gras_log_appender_s {
 187   void (*do_append) (gras_log_appender_t thisLogAppender,
 188                     gras_log_event_t event, const char *fmt);
 189   void *appender_data;
 190 };
 191
 192 struct gras_log_event_s {
 193   gras_log_category_t cat;
 194   e_gras_log_priority_t priority;
 195   const char* fileName;
 196   const char* functionName;
 197   int lineNum;
 198   va_list ap;
 199 };
 200
 201 /**
 202  * gras_log_threshold_set:
 203  * @cat: the category (not only its name, but the variable)
 204  * @thresholdPriority: the priority
 205  *
 206  * Programatically alters a category's threshold priority (don't use).
 207  */
 208 extern void gras_log_threshold_set(gras_log_category_t cat,
 209                                    e_gras_log_priority_t thresholdPriority);
 210
 211 /**
 212  * gras_log_parent_set:
 213  * @cat: the category (not only its name, but the variable)
 214  * @parent: the parent cat
 215  *
 216  * Programatically alter a category's parent (don't use).
 217  */
 218 extern void gras_log_parent_set(gras_log_category_t cat,
 219                                 gras_log_category_t parent);
 220
 221 /**
 222  * gras_log_appender_set:
 223  * @cat: the category (not only its name, but the variable)
 224  * @app: the appender
 225  *
 226  * Programatically sets the category's appender (don't use).
 227  */
 228 extern void gras_log_appender_set(gras_log_category_t cat,
 229                                   gras_log_appender_t app);
 230
 231 /* Functions that you shouldn't call. */
 232 extern void _gras_log_event_log(gras_log_event_t ev,
 233                                 const char *fmt,
 234                                 ...) _GRAS_GNUC_PRINTF(2,3);
 235
 236 extern int _gras_log_cat_init(e_gras_log_priority_t priority,
 237                               gras_log_category_t   category);
 238
 239
 240 extern s_gras_log_category_t _GRAS_LOGV(GRAS_LOG_ROOT_CAT);
 241 GRAS_LOG_EXTERNAL_CATEGORY(GRAS);
 242 extern gras_log_appender_t gras_log_default_appender;
 243
 244 /**
 245  * GRAS_LOG_ISENABLED:
 246  * @catName: name of the category
 247  * @priority: minimal priority to be enabled to return true
 248  *
 249  * Returns true if the given priority is enabled for the category.
 250  * If you have expensive expressions that are computed outside of the log
 251  * command and used only within it, you should make its evaluation conditional
 252  * using this macro.
 253  */
 254 #define GRAS_LOG_ISENABLED(catName, priority) \
 255             _GRAS_LOG_ISENABLEDV(_GRAS_LOGV(catName), priority)
 256
 257 /*
 258  * Helper function that implements GRAS_LOG_ISENABLED.
 259  *
 260  * NOTES
 261  * First part is a compile-time constant.
 262  * Call to _log_initCat only happens once.
 263  */
 264 #define _GRAS_LOG_ISENABLEDV(catv, priority)                  \
 265        (priority >= GRAS_LOG_STATIC_THRESHOLD                 \
 266         && priority >= catv.threshold                         \
 267         && (catv.threshold != gras_log_priority_uninitialized \
 268             || _gras_log_cat_init(priority, &catv)) )
 269
 270 /*
 271  * Internal Macros
 272  * Some kludge macros to ease maintenance. See how they're used below.
 273  *
 274  * IMPLEMENTATION NOTE: To reduce the parameter passing overhead of an enabled
 275  * message, the many parameters passed to the logging function are packed in a
 276  * structure. Since these values will be usually be passed to at least 3
 277  * functions, this is a win.
 278  * It also allows adding new values (such as a timestamp) without breaking
 279  * code.
 280  * Setting the LogEvent's valist member is done inside _log_logEvent.
 281  */
 282
 283 #define _GRAS_LOG_PRE(catv, priority) do {                              \
 284      if (_GRAS_LOG_ISENABLEDV(catv, priority)) {                        \
 285          s_gras_log_event_t _log_ev =                                   \
 286              {&(catv),priority,__FILE__,_GRAS_GNUC_FUNCTION,__LINE__};         \
 287          _gras_log_event_log(&_log_ev
 288
 289 #define _GRAS_LOG_POST                          \
 290                         );                      \
 291      } } while(0)
 292
 293
 294 /* Logging Macros */
 295
 296 #ifdef GRAS_LOG_MAYDAY
 297 # define CLOG0(c, p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 298 # define CLOG1(c, p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 299 # define CLOG2(c, p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 300 # define CLOG3(c, p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 301 # define CLOG4(c, p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 302 # define CLOG5(c, p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 303 # define CLOG6(c, p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
 304 # define CLOG7(c, p, f,a1,a2,a3,a4,a5,a6,a7) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7)
 305 # define CLOG8(c, p, f,a1,a2,a3,a4,a5,a6,a7,a8) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7,a8)
 306 #else
 307 # define CLOG0(c, p, f)                   _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f _GRAS_LOG_POST
 308 # define CLOG1(c, p, f,a1)                _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1 _GRAS_LOG_POST
 309 # define CLOG2(c, p, f,a1,a2)             _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2 _GRAS_LOG_POST
 310 # define CLOG3(c, p, f,a1,a2,a3)          _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 311 # define CLOG4(c, p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 312 # define CLOG5(c, p, f,a1,a2,a3,a4,a5)    _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5 _GRAS_LOG_POST
 313 # define CLOG6(c, p, f,a1,a2,a3,a4,a5,a6) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6 _GRAS_LOG_POST
 314 # define CLOG7(c, p, f,a1,a2,a3,a4,a5,a6,a7) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6,a7 _GRAS_LOG_POST
 315 # define CLOG8(c, p, f,a1,a2,a3,a4,a5,a6,a7,a8) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6,a7,a8 _GRAS_LOG_POST
 316 #endif
 317
 318 #define CDEBUG0(c, f)                   CLOG0(c, gras_log_priority_debug, f)
 319 #define CDEBUG1(c, f,a1)                CLOG1(c, gras_log_priority_debug, f,a1)
 320 #define CDEBUG2(c, f,a1,a2)             CLOG2(c, gras_log_priority_debug, f,a1,a2)
 321 #define CDEBUG3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_debug, f,a1,a2,a3)
 322 #define CDEBUG4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_debug, f,a1,a2,a3,a4)
 323 #define CDEBUG5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 324 #define CDEBUG6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 325 #define CDEBUG7(c, f,a1,a2,a3,a4,a5,a6,a7) CLOG7(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7)
 326 #define CDEBUG8(c, f,a1,a2,a3,a4,a5,a6,a7,a8) CLOG8(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7,a8)
 327
 328 #define CVERB0(c, f)                   CLOG0(c, gras_log_priority_verbose, f)
 329 #define CVERB1(c, f,a1)                CLOG1(c, gras_log_priority_verbose, f,a1)
 330 #define CVERB2(c, f,a1,a2)             CLOG2(c, gras_log_priority_verbose, f,a1,a2)
 331 #define CVERB3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_verbose, f,a1,a2,a3)
 332 #define CVERB4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_verbose, f,a1,a2,a3,a4)
 333 #define CVERB5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 334 #define CVERB6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 335
 336 #define CINFO0(c, f)                   CLOG0(c, gras_log_priority_info, f)
 337 #define CINFO1(c, f,a1)                CLOG1(c, gras_log_priority_info, f,a1)
 338 #define CINFO2(c, f,a1,a2)             CLOG2(c, gras_log_priority_info, f,a1,a2)
 339 #define CINFO3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_info, f,a1,a2,a3)
 340 #define CINFO4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_info, f,a1,a2,a3,a4)
 341 #define CINFO5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_info, f,a1,a2,a3,a4,a5)
 342 #define CINFO6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 343
 344 #define CWARN0(c, f)                   CLOG0(c, gras_log_priority_warning, f)
 345 #define CWARN1(c, f,a1)                CLOG1(c, gras_log_priority_warning, f,a1)
 346 #define CWARN2(c, f,a1,a2)             CLOG2(c, gras_log_priority_warning, f,a1,a2)
 347 #define CWARN3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_warning, f,a1,a2,a3)
 348 #define CWARN4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_warning, f,a1,a2,a3,a4)
 349 #define CWARN5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 350 #define CWARN6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 351
 352 #define CERROR0(c, f)                   CLOG0(c, gras_log_priority_error, f)
 353 #define CERROR1(c, f,a1)                CLOG1(c, gras_log_priority_error, f,a1)
 354 #define CERROR2(c, f,a1,a2)             CLOG2(c, gras_log_priority_error, f,a1,a2)
 355 #define CERROR3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_error, f,a1,a2,a3)
 356 #define CERROR4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_error, f,a1,a2,a3,a4)
 357 #define CERROR5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_error, f,a1,a2,a3,a4,a5)
 358 #define CERROR6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 359
 360 /**
 361  * CCRITICAL6:
 362  * @c: the category to log into
 363  * @f: the format string
 364  * @a1: first argument of the format
 365  * @a2: second argument of the format
 366  * @a3: third argument of the format
 367  * @a4: fourth argument of the format
 368  * @a5: fifth argument of the format
 369  * @a6: sixth argument of the format
 370  *
 371  * Log something to the current default category under the warning priority.
 372  *
 373  * The macros CCRITICAL0 ... CCRITICAL5 naturally also exist, but are not listed here
 374  * for sake of clarity. They just differ in the number of arguments passed
 375  * along with the format string.
 376  */
 377
 378 #define CCRITICAL0(c, f)                   CLOG0(c, gras_log_priority_critical, f)
 379 #define CCRITICAL1(c, f,a1)                CLOG1(c, gras_log_priority_critical, f,a1)
 380 #define CCRITICAL2(c, f,a1,a2)             CLOG2(c, gras_log_priority_critical, f,a1,a2)
 381 #define CCRITICAL3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_critical, f,a1,a2,a3)
 382 #define CCRITICAL4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_critical, f,a1,a2,a3,a4)
 383 #define CCRITICAL5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 384 #define CCRITICAL6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 385
 386 #ifdef GRAS_LOG_MAYDAY
 387 # define LOG0(p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 388 # define LOG1(p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 389 # define LOG2(p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 390 # define LOG3(p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 391 # define LOG4(p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 392 # define LOG5(p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 393 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
 394 # define LOG7(p, f,a1,a2,a3,a4,a5,a6,a7) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7)
 395 # define LOG8(p, f,a1,a2,a3,a4,a5,a6,a7,a8) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7,a8)
 396 #else
 397 # define LOG0(p, f)                   _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f _GRAS_LOG_POST
 398 # define LOG1(p, f,a1)                _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1 _GRAS_LOG_POST
 399 # define LOG2(p, f,a1,a2)             _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2 _GRAS_LOG_POST
 400 # define LOG3(p, f,a1,a2,a3)          _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 401 # define LOG4(p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 402 # define LOG5(p, f,a1,a2,a3,a4,a5)    _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5 _GRAS_LOG_POST
 403 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6 _GRAS_LOG_POST
 404 # define LOG7(p, f,a1,a2,a3,a4,a5,a6,a7) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6,a7 _GRAS_LOG_POST
 405 # define LOG8(p, f,a1,a2,a3,a4,a5,a6,a7,a8) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6,a7,a8 _GRAS_LOG_POST
 406 #endif
 407
 408 /**
 409  * DEBUG6:
 410  * @f: the format string
 411  * @a1: first argument of the format
 412  * @a2: second argument of the format
 413  * @a3: third argument of the format
 414  * @a4: fourth argument of the format
 415  * @a5: fifth argument of the format
 416  * @a6: sixth argument of the format
 417  *
 418  * Log something to the current default category under the debug priority.
 419  *
 420  * The macros DEBUG0 ... DEBUG5 naturally also exist, but are not listed here
 421  * for sake of clarity. They just differ in the number of arguments passed
 422  * along with the format string.
 423  */
 424
 425 #define DEBUG0(f)                   LOG0(gras_log_priority_debug, f)
 426 #define DEBUG1(f,a1)                LOG1(gras_log_priority_debug, f,a1)
 427 #define DEBUG2(f,a1,a2)             LOG2(gras_log_priority_debug, f,a1,a2)
 428 #define DEBUG3(f,a1,a2,a3)          LOG3(gras_log_priority_debug, f,a1,a2,a3)
 429 #define DEBUG4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_debug, f,a1,a2,a3,a4)
 430 #define DEBUG5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 431 #define DEBUG6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 432 #define DEBUG7(f,a1,a2,a3,a4,a5,a6,a7) LOG7(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7)
 433 #define DEBUG8(f,a1,a2,a3,a4,a5,a6,a7,a8) LOG8(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7,a8)
 434
 435 /**
 436  * VERB6:
 437  * @f: the format string
 438  * @a1: first argument of the format
 439  * @a2: second argument of the format
 440  * @a3: third argument of the format
 441  * @a4: fourth argument of the format
 442  * @a5: fifth argument of the format
 443  * @a6: sixth argument of the format
 444  *
 445  * Log something to the current default category under the verbose priority.
 446  *
 447  * The macros VERB0 ... VERB5 naturally also exist, but are not listed here
 448  * for sake of clarity. They just differ in the number of arguments passed
 449  * along with the format string.
 450  */
 451
 452 #define VERB0(f)                   LOG0(gras_log_priority_verbose, f)
 453 #define VERB1(f,a1)                LOG1(gras_log_priority_verbose, f,a1)
 454 #define VERB2(f,a1,a2)             LOG2(gras_log_priority_verbose, f,a1,a2)
 455 #define VERB3(f,a1,a2,a3)          LOG3(gras_log_priority_verbose, f,a1,a2,a3)
 456 #define VERB4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_verbose, f,a1,a2,a3,a4)
 457 #define VERB5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 458 #define VERB6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 459
 460 /**
 461  * INFO6:
 462  * @f: the format string
 463  * @a1: first argument of the format
 464  * @a2: second argument of the format
 465  * @a3: third argument of the format
 466  * @a4: fourth argument of the format
 467  * @a5: fifth argument of the format
 468  * @a6: sixth argument of the format
 469  *
 470  * Log something to the current default category under the info priority.
 471  *
 472  * The macros INFO0 ... INFO5 naturally also exist, but are not listed here
 473  * for sake of clarity. They just differ in the number of arguments passed
 474  * along with the format string.
 475  */
 476
 477 #define INFO0(f)                   LOG0(gras_log_priority_info, f)
 478 #define INFO1(f,a1)                LOG1(gras_log_priority_info, f,a1)
 479 #define INFO2(f,a1,a2)             LOG2(gras_log_priority_info, f,a1,a2)
 480 #define INFO3(f,a1,a2,a3)          LOG3(gras_log_priority_info, f,a1,a2,a3)
 481 #define INFO4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_info, f,a1,a2,a3,a4)
 482 #define INFO5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_info, f,a1,a2,a3,a4,a5)
 483 #define INFO6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 484
 485 /**
 486  * WARN6:
 487  * @f: the format string
 488  * @a1: first argument of the format
 489  * @a2: second argument of the format
 490  * @a3: third argument of the format
 491  * @a4: fourth argument of the format
 492  * @a5: fifth argument of the format
 493  * @a6: sixth argument of the format
 494  *
 495  * Log something to the current default category under the warning priority.
 496  *
 497  * The macros WARN0 ... WARN5 naturally also exist, but are not listed here
 498  * for sake of clarity. They just differ in the number of arguments passed
 499  * along with the format string.
 500  */
 501
 502 #define WARN0(f)                   LOG0(gras_log_priority_warning, f)
 503 #define WARN1(f,a1)                LOG1(gras_log_priority_warning, f,a1)
 504 #define WARN2(f,a1,a2)             LOG2(gras_log_priority_warning, f,a1,a2)
 505 #define WARN3(f,a1,a2,a3)          LOG3(gras_log_priority_warning, f,a1,a2,a3)
 506 #define WARN4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_warning, f,a1,a2,a3,a4)
 507 #define WARN5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 508 #define WARN6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 509
 510 /**
 511  * ERROR6:
 512  * @f: the format string
 513  * @a1: first argument of the format
 514  * @a2: second argument of the format
 515  * @a3: third argument of the format
 516  * @a4: fourth argument of the format
 517  * @a5: fifth argument of the format
 518  * @a6: sixth argument of the format
 519  *
 520  * Log something to the current default category under the error priority.
 521  *
 522  * The macros ERROR0 ... ERROR5 naturally also exist, but are not listed here
 523  * for sake of clarity. They just differ in the number of arguments passed
 524  * along with the format string.
 525  */
 526
 527 #define ERROR0(f)                   LOG0(gras_log_priority_error, f)
 528 #define ERROR1(f,a1)                LOG1(gras_log_priority_error, f,a1)
 529 #define ERROR2(f,a1,a2)             LOG2(gras_log_priority_error, f,a1,a2)
 530 #define ERROR3(f,a1,a2,a3)          LOG3(gras_log_priority_error, f,a1,a2,a3)
 531 #define ERROR4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_error, f,a1,a2,a3,a4)
 532 #define ERROR5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_error, f,a1,a2,a3,a4,a5)
 533 #define ERROR6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 534
 535 /**
 536  * CRITICAL6:
 537  * @f: the format string
 538  * @a1: first argument of the format
 539  * @a2: second argument of the format
 540  * @a3: third argument of the format
 541  * @a4: fourth argument of the format
 542  * @a5: fifth argument of the format
 543  * @a6: sixth argument of the format
 544  *
 545  * Log something to the current default category under the critical priority.
 546  *
 547  * The macros CRITICAL0 ... CRITICAL5 naturally also exist, but are not listed here
 548  * for sake of clarity. They just differ in the number of arguments passed
 549  * along with the format string.
 550  */
 551 #define CRITICAL0(f)                   LOG0(gras_log_priority_critical, f)
 552 #define CRITICAL1(f,a1)                LOG1(gras_log_priority_critical, f,a1)
 553 #define CRITICAL2(f,a1,a2)             LOG2(gras_log_priority_critical, f,a1,a2)
 554 #define CRITICAL3(f,a1,a2,a3)          LOG3(gras_log_priority_critical, f,a1,a2,a3)
 555 #define CRITICAL4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_critical, f,a1,a2,a3,a4)
 556 #define CRITICAL5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 557 #define CRITICAL6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 558
 559 #define GRAS_IN               LOG1(gras_log_priority_trace, ">> begin of %s",     _GRAS_GNUC_FUNCTION)
 560 #define GRAS_IN1(fmt,a)       LOG2(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a)
 561 #define GRAS_IN2(fmt,a,b)     LOG3(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a,b)
 562 #define GRAS_IN3(fmt,a,b,c)   LOG4(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a,b,c)
 563 #define GRAS_IN4(fmt,a,b,c,d) LOG5(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a,b,c,d)
 564 #define GRAS_OUT              LOG1(gras_log_priority_trace, "<< end of %s",       _GRAS_GNUC_FUNCTION)
 565
 566 #endif /* ! _GRAS_LOG_H_ */