src/logging.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include <glib.h>
   5
   6 #include "logging.h"
   7
   8 static void vlock_log_handler(const gchar *log_domain,
   9                               GLogLevelFlags __attribute__((unused)) log_level,
  10                               const gchar *message,
  11                               gpointer __attribute__((unused)) user_data)
  12 {
  13   /* XXX: observe the log level (maybe look at some environment variable) */
  14   if (log_domain != NULL)
  15     fprintf(stderr, "%s(%s): %s\n", g_get_prgname(), log_domain, message);
  16   else
  17     fprintf(stderr, "%s: %s\n", g_get_prgname(), message);
  18 }
  19
  20 static void vlock_error_log_handler(const gchar *log_domain,
  21                                     GLogLevelFlags log_level,
  22                                     const gchar *message,
  23                                     gpointer __attribute__((unused)) user_data)
  24 {
  25   vlock_log_handler(log_domain, log_level, message, NULL);
  26   abort();
  27 }
  28
  29 static void vlock_critical_log_handler(const gchar *log_domain,
  30                                        GLogLevelFlags log_level,
  31                                        const gchar *message,
  32                                        gpointer __attribute__(
  33                                          (unused)) user_data)
  34 {
  35   vlock_log_handler(log_domain, log_level, message, NULL);
  36   exit(1);
  37 }
  38
  39 void vlock_initialize_logging(void)
  40 {
  41   g_log_set_handler(NULL, G_LOG_LEVEL_ERROR, vlock_error_log_handler, NULL);
  42   g_log_set_handler(NULL,
  43                     G_LOG_LEVEL_CRITICAL,
  44                     vlock_critical_log_handler,
  45                     NULL);
  46   g_log_set_default_handler(vlock_log_handler, NULL);
  47 }
  48