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info: add destroy notify to gst_debug_add_log_function()

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This commit is contained in:
Wim Taymans 2012-06-20 13:28:08 +02:00
parent d2c632fcda
commit 7da1d23a9b
3 changed files with 36 additions and 21 deletions
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30
gst/gstinfo.c
View file

@ -256,6 +256,7 @@ typedef struct
{
GstLogFunction func;
gpointer user_data;
GDestroyNotify notify;
}
LogFuncEntry;
static GMutex __log_func_mutex;
@ -347,7 +348,7 @@ _priv_gst_debug_init (void)
_GST_CAT_DEBUG = _gst_debug_category_new ("GST_DEBUG",
GST_DEBUG_BOLD | GST_DEBUG_FG_YELLOW, "debugging subsystem");
gst_debug_add_log_function (gst_debug_log_default, NULL);
gst_debug_add_log_function (gst_debug_log_default, NULL, NULL);
/* FIXME: add descriptions here */
GST_CAT_GST_INIT = _gst_debug_category_new ("GST_INIT",
@ -1063,13 +1064,15 @@ gst_debug_level_get_name (GstDebugLevel level)
/**
* gst_debug_add_log_function:
* @func: the function to use
* @data: (closure): user data
* @user_data: user data
* @notify: called when @user_data is not used anymore
*
* Adds the logging function to the list of logging functions.
* Be sure to use #G_GNUC_NO_INSTRUMENT on that function, it is needed.
*/
void
gst_debug_add_log_function (GstLogFunction func, gpointer data)
gst_debug_add_log_function (GstLogFunction func, gpointer user_data,
GDestroyNotify notify)
{
LogFuncEntry *entry;
GSList *list;
@ -1079,7 +1082,8 @@ gst_debug_add_log_function (GstLogFunction func, gpointer data)
entry = g_slice_new (LogFuncEntry);
entry->func = func;
entry->user_data = data;
entry->user_data = user_data;
entry->notify = notify;
/* FIXME: we leak the old list here - other threads might access it right now
* in gst_debug_logv. Another solution is to lock the mutex in gst_debug_logv,
* but that is waaay costly.
@ -1092,7 +1096,7 @@ gst_debug_add_log_function (GstLogFunction func, gpointer data)
g_mutex_unlock (&__log_func_mutex);
GST_DEBUG ("prepended log function %p (user data %p) to log functions",
func, data);
func, user_data);
}
static gint
@ -1115,11 +1119,12 @@ static guint
gst_debug_remove_with_compare_func (GCompareFunc func, gpointer data)
{
GSList *found;
GSList *new;
GSList *new, *cleanup = NULL;
guint removals = 0;
g_mutex_lock (&__log_func_mutex);
new = __log_functions;
cleanup = NULL;
while ((found = g_slist_find_custom (new, data, func))) {
if (new == __log_functions) {
/* make a copy when we have the first hit, so that we modify the copy and
@ -1127,7 +1132,7 @@ gst_debug_remove_with_compare_func (GCompareFunc func, gpointer data)
new = g_slist_copy (new);
continue;
}
g_slice_free (LogFuncEntry, found->data);
cleanup = g_slist_prepend (cleanup, found->data);
new = g_slist_delete_link (new, found);
removals++;
}
@ -1135,12 +1140,21 @@ gst_debug_remove_with_compare_func (GCompareFunc func, gpointer data)
__log_functions = new;
g_mutex_unlock (&__log_func_mutex);
while (cleanup) {
LogFuncEntry *entry = cleanup->data;
if (entry->notify)
entry->notify (entry->user_data);
g_slice_free (LogFuncEntry, entry);
cleanup = g_slist_delete_link (cleanup, cleanup);
}
return removals;
}
/**
* gst_debug_remove_log_function:
* @func: the log function to remove
* @func: (scope call): the log function to remove
*
* Removes all registered instances of the given logging functions.
*

11
gst/gstinfo.h
View file

@ -330,7 +330,8 @@ void gst_debug_log_default (GstDebugCategory * category,
const gchar * gst_debug_level_get_name (GstDebugLevel level);
void gst_debug_add_log_function (GstLogFunction func,
gpointer data);
gpointer user_data,
GDestroyNotify notify);
guint gst_debug_remove_log_function (GstLogFunction func);
guint gst_debug_remove_log_function_by_data (gpointer data);
@ -365,12 +366,12 @@ gint gst_debug_construct_win_color (guint colorinfo);
#ifndef GST_DISABLE_GST_DEBUG
#define gst_debug_add_log_function(func,data) \
#define gst_debug_add_log_function(func,data,notify) \
G_STMT_START{ \
if (func == gst_debug_log_default) { \
gst_debug_add_log_function(NULL,data); \
gst_debug_add_log_function(NULL,data,notify); \
} else { \
gst_debug_add_log_function(func,data); \
gst_debug_add_log_function(func,data,notify); \
} \
}G_STMT_END
@ -1262,7 +1263,7 @@ GST_TRACE (const char *format, ...)
#define gst_debug_level_get_name(level) ("NONE")
#define gst_debug_message_get(message) ("")
#define gst_debug_add_log_function(func,data) G_STMT_START{ }G_STMT_END
#define gst_debug_add_log_function(func,data,notify) G_STMT_START{ }G_STMT_END
#define gst_debug_set_active(active) G_STMT_START{ }G_STMT_END
#define gst_debug_is_active() (FALSE)
#define gst_debug_set_colored(colored) G_STMT_START{ }G_STMT_END

8
tests/check/gst/gstinfo.c
View file

@ -49,7 +49,7 @@ GST_START_TEST (info_ptr_format_printf_extension)
/* set up our own log function to make sure the code in gstinfo is actually
* executed without GST_DEBUG being set or it being output to stdout */
gst_debug_remove_log_function (gst_debug_log_default);
gst_debug_add_log_function (printf_extension_log_func, NULL);
gst_debug_add_log_function (printf_extension_log_func, NULL, NULL);
gst_debug_set_default_threshold (GST_LEVEL_LOG);
@ -105,7 +105,7 @@ GST_START_TEST (info_ptr_format_printf_extension)
/* clean up */
gst_debug_set_default_threshold (GST_LEVEL_NONE);
gst_debug_add_log_function (gst_debug_log_default, NULL);
gst_debug_add_log_function (gst_debug_log_default, NULL, NULL);
gst_debug_remove_log_function (printf_extension_log_func);
}
@ -117,7 +117,7 @@ GST_START_TEST (info_segment_format_printf_extension)
/* set up our own log function to make sure the code in gstinfo is actually
* executed without GST_DEBUG being set or it being output to stdout */
gst_debug_remove_log_function (gst_debug_log_default);
gst_debug_add_log_function (printf_extension_log_func, NULL);
gst_debug_add_log_function (printf_extension_log_func, NULL, NULL);
gst_debug_set_default_threshold (GST_LEVEL_LOG);
@ -183,7 +183,7 @@ GST_START_TEST (info_segment_format_printf_extension)
/* clean up */
gst_debug_set_default_threshold (GST_LEVEL_NONE);
gst_debug_add_log_function (gst_debug_log_default, NULL);
gst_debug_add_log_function (gst_debug_log_default, NULL, NULL);
gst_debug_remove_log_function (printf_extension_log_func);
}