Message Logging

Synopsis

#include <glib.h>

#define             G_LOG_DOMAIN
#define             G_LOG_FATAL_MASK
#define             G_LOG_LEVEL_USER_SHIFT
void                (*GLogFunc)                         (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *message,
                                                         gpointer user_data);
enum                GLogLevelFlags;

void                g_log                               (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *format,
                                                         ...);
void                g_logv                              (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *format,
                                                         va_list args);
#define             g_message                           (...)
#define             g_warning                           (...)
#define             g_critical                          (...)
#define             g_error                             (...)
#define             g_debug                             (...)

guint               g_log_set_handler                   (const gchar *log_domain,
                                                         GLogLevelFlags log_levels,
                                                         GLogFunc log_func,
                                                         gpointer user_data);
void                g_log_remove_handler                (const gchar *log_domain,
                                                         guint handler_id);
GLogLevelFlags      g_log_set_always_fatal              (GLogLevelFlags fatal_mask);
GLogLevelFlags      g_log_set_fatal_mask                (const gchar *log_domain,
                                                         GLogLevelFlags fatal_mask);
void                g_log_default_handler               (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *message,
                                                         gpointer unused_data);
GLogFunc            g_log_set_default_handler           (GLogFunc log_func,
                                                         gpointer user_data);

Description

Details

G_LOG_DOMAIN

#define G_LOG_DOMAIN    ((gchar*) 0)

G_LOG_FATAL_MASK

#define G_LOG_FATAL_MASK        (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR)

G_LOG_LEVEL_USER_SHIFT

#define G_LOG_LEVEL_USER_SHIFT  (8)

GLogFunc ()

void                (*GLogFunc)                         (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *message,
                                                         gpointer user_data);

`log_domain` :
`log_level` :
`message` :
`user_data` :

enum GLogLevelFlags

typedef enum
{
  /* log flags */
  G_LOG_FLAG_RECURSION          = 1 << 0,
  G_LOG_FLAG_FATAL              = 1 << 1,

  /* GLib log levels */
  G_LOG_LEVEL_ERROR             = 1 << 2,       /* always fatal */
  G_LOG_LEVEL_CRITICAL          = 1 << 3,
  G_LOG_LEVEL_WARNING           = 1 << 4,
  G_LOG_LEVEL_MESSAGE           = 1 << 5,
  G_LOG_LEVEL_INFO              = 1 << 6,
  G_LOG_LEVEL_DEBUG             = 1 << 7,

  G_LOG_LEVEL_MASK              = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL)
} GLogLevelFlags;

g_log ()

void                g_log                               (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *format,
                                                         ...);

`log_domain` :
`log_level` :
`format` :
`...` :

g_logv ()

void                g_logv                              (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *format,
                                                         va_list args);

`log_domain` :
`log_level` :
`format` :
`args` :

g_message()

#define             g_message(...)

... :

g_warning()

#define             g_warning(...)

... :

g_critical()

#define             g_critical(...)

... :

g_error()

#define             g_error(...)

... :

g_debug()

#define             g_debug(...)

... :

g_log_set_handler ()

guint               g_log_set_handler                   (const gchar *log_domain,
                                                         GLogLevelFlags log_levels,
                                                         GLogFunc log_func,
                                                         gpointer user_data);

`log_domain` :
`log_levels` :
`log_func` :
`user_data` :
Returns :

g_log_remove_handler ()

void                g_log_remove_handler                (const gchar *log_domain,
                                                         guint handler_id);

`log_domain` :
`handler_id` :

g_log_set_always_fatal ()

GLogLevelFlags      g_log_set_always_fatal              (GLogLevelFlags fatal_mask);

`fatal_mask` :
Returns :

g_log_set_fatal_mask ()

GLogLevelFlags      g_log_set_fatal_mask                (const gchar *log_domain,
                                                         GLogLevelFlags fatal_mask);

`log_domain` :
`fatal_mask` :
Returns :

g_log_default_handler ()

void                g_log_default_handler               (const gchar *log_domain,
                                                         GLogLevelFlags log_level,
                                                         const gchar *message,
                                                         gpointer unused_data);

`log_domain` :
`log_level` :
`message` :
`unused_data` :

g_log_set_default_handler ()

GLogFunc            g_log_set_default_handler           (GLogFunc log_func,
                                                         gpointer user_data);

`log_func` :
`user_data` :
Returns :

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