nobug.c

   1 /*
   2     nobug.c - a small debugging library
   3
   4   Copyright (C) 2007, Christian Thaeter <ct@pipapo.org>
   5
   6   This program is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License version 2 as
   8   published by the Free Software Foundation.
   9
  10   This program is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; if not, contact me.
  17
  18 */
  19
  20 #include <pthread.h>
  21
  22 #define NOBUG_LIBNOBUG_C
  23 #include "nobug.h"
  24
  25
  26 struct nobug_ringbuffer* nobug_default_ringbuffer = NULL;
  27 static struct nobug_ringbuffer nobug_default_ringbuffer_real;
  28 FILE* nobug_default_file = NULL;
  29
  30 struct nobug_flag nobug_flag_NOBUG_ON =
  31 {NULL, {LOG_DEBUG, LOG_DEBUG, LOG_DEBUG, LOG_DEBUG, LOG_DEBUG}, NULL,NULL,NULL};
  32
  33 static int nobug_initialized = 0;
  34
  35
  36 /*
  37   default initialization
  38 */
  39 void
  40 nobug_init()
  41 {
  42   if (nobug_initialized)
  43     return;
  44
  45   nobug_initialized = 1;
  46
  47 #if NOBUG_USE_PTHREAD
  48   pthread_key_create (&nobug_thread_id_key, free);
  49 #endif
  50
  51   /* we initialize a minimal ringbuffer */
  52   if (!nobug_default_ringbuffer)
  53     {
  54       nobug_default_ringbuffer = &nobug_default_ringbuffer_real;
  55       nobug_ringbuffer_init (nobug_default_ringbuffer, 4096, NULL, NOBUG_RINGBUFFER_DEFAULT);
  56     }
  57
  58   /* initialize the always-on flag*/
  59   nobug_flag_NOBUG_ON.ringbuffer_target = nobug_default_ringbuffer;
  60   nobug_flag_NOBUG_ON.console_target = stderr;
  61   nobug_flag_NOBUG_ON.file_target = nobug_default_file;
  62 }