static GstGLContext *
_get_gl_context_for_thread_unlocked (GstGLDisplay * display, GThread * thread)
{
GstGLContext *context = NULL;
GList *prev = NULL, *l = display->priv->contexts;
while (l) {
GWeakRef *ref = l->data;
GThread *context_thread;
context = g_weak_ref_get (ref);
if (!context) {
/* remove dead contexts */
g_weak_ref_clear (l->data);
display->priv->contexts = g_list_delete_link (display->priv->contexts, l);
l = prev ? prev->next : display->priv->contexts;
continue;
}
context_thread = gst_gl_context_get_thread (context);
if (thread != NULL && thread == context_thread) {
g_thread_unref (context_thread);
gst_object_unref (context);
prev = l;
l = l->next;
continue;
}
if (context_thread)
g_thread_unref (context_thread);
return context;
}
return NULL;
}
void
utils_free_weak_ref(GWeakRef* ref)
{
g_weak_ref_clear(ref);
g_clear_pointer(&ref, g_free);
}
void
util_free_weak_ref(GWeakRef *ref) {
g_return_if_fail(ref != NULL);
g_weak_ref_clear(ref);
g_free(ref);
}
static void
gda_pstmt_dispose (GObject *object)
{
GdaPStmt *pstmt = (GdaPStmt *) object;
GdaPStmtPrivate *priv = gda_pstmt_get_instance_private (pstmt);
gda_stmt_reset_cb (NULL, pstmt);
/* free memory */
g_rec_mutex_clear (& priv->mutex);
g_weak_ref_clear (&priv->gda_stmt_ref);
if (priv->sql != NULL) {
g_free (priv->sql);
priv->sql = NULL;
}
if (priv->param_ids != NULL) {
g_slist_free_full (priv->param_ids, (GDestroyNotify) g_free);
priv->param_ids = NULL;
}
if (priv->types != NULL) {
g_free (priv->types);
priv->types = NULL;
}
if (priv->tmpl_columns != NULL) {
g_slist_free_full (priv->tmpl_columns, (GDestroyNotify) g_object_unref);
priv->tmpl_columns = NULL;
}
/* chain to parent class */
G_OBJECT_CLASS (gda_pstmt_parent_class)->dispose (object);
}
static void
gst_gl_window_finalize (GObject * object)
{
GstGLWindow *window = GST_GL_WINDOW (object);
GstGLWindowPrivate *priv = window->priv;
GST_INFO ("quit navigation loop");
if (window->priv->navigation_loop) {
g_main_loop_quit (window->priv->navigation_loop);
/* wait until navigation thread finished */
g_thread_join (window->priv->navigation_thread);
window->priv->navigation_thread = NULL;
}
if (priv->loop)
g_main_loop_unref (priv->loop);
if (priv->main_context)
g_main_context_unref (priv->main_context);
g_weak_ref_clear (&window->context_ref);
g_mutex_clear (&window->lock);
g_mutex_clear (&window->priv->nav_lock);
g_cond_clear (&window->priv->nav_create_cond);
g_mutex_clear (&window->priv->sync_message_lock);
g_cond_clear (&window->priv->sync_message_cond);
gst_object_unref (window->display);
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
}
static void
gda_pstmt_finalize (GObject *object)
{
GdaPStmt *pstmt = (GdaPStmt *) object;
/* free memory */
g_weak_ref_clear (& pstmt->priv->gda_stmt_ref);
g_rec_mutex_clear (& pstmt->priv->mutex);
g_free (pstmt->priv);
if (pstmt->sql) {
g_free (pstmt->sql);
pstmt->sql = NULL;
}
if (pstmt->param_ids) {
g_slist_foreach (pstmt->param_ids, (GFunc) g_free, NULL);
g_slist_free (pstmt->param_ids);
pstmt->param_ids = NULL;
}
if (pstmt->types) {
g_free (pstmt->types);
pstmt->types = NULL;
}
if (pstmt->tmpl_columns) {
g_slist_foreach (pstmt->tmpl_columns, (GFunc) g_object_unref, NULL);
g_slist_free (pstmt->tmpl_columns);
}
/* chain to parent class */
parent_class->finalize (object);
}
static void
dconf_settings_backend_free_weak_ref (gpointer data)
{
GWeakRef *weak_ref = data;
g_weak_ref_clear (weak_ref);
g_slice_free (GWeakRef, weak_ref);
}
static void
gst_validate_monitor_dispose (GObject * object)
{
GstValidateMonitor *monitor = GST_VALIDATE_MONITOR_CAST (object);
g_mutex_clear (&monitor->mutex);
g_mutex_clear (&monitor->overrides_mutex);
g_queue_clear (&monitor->overrides);
g_weak_ref_clear (&monitor->pipeline);
g_weak_ref_clear (&monitor->target);
if (monitor->media_descriptor)
gst_object_unref (monitor->media_descriptor);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gda_web_pstmt_finalize (GObject *object)
{
GdaWebPStmt *pstmt = (GdaWebPStmt *) object;
g_return_if_fail (GDA_IS_PSTMT (pstmt));
GdaWebPStmtPrivate *priv = gda_web_pstmt_get_instance_private (pstmt);
g_weak_ref_clear (&priv->cnc);
}
static void
yahoo_backend_finalize (GObject *object)
{
EYahooBackend *backend = E_YAHOO_BACKEND (object);
g_weak_ref_clear (&backend->mail_identity_source);
G_OBJECT_CLASS (e_yahoo_backend_parent_class)->finalize (object);
}
static void
component_source_finalize (GSource *source)
{
ComponentSource *component_source = (ComponentSource *) source;
g_slist_free_full (component_source->socket_sources, free_child_socket_source);
g_weak_ref_clear (&component_source->agent_ref);
g_object_unref (component_source->pollable_stream);
component_source->pollable_stream = NULL;
}
static void
gst_gl_window_finalize (GObject * object)
{
GstGLWindow *window = GST_GL_WINDOW (object);
g_weak_ref_clear (&window->context_ref);
g_mutex_clear (&window->lock);
gst_object_unref (window->display);
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
}
void
gtk_gst_base_widget_finalize (GObject * object)
{
GtkGstBaseWidget *widget = GTK_GST_BASE_WIDGET (object);
gst_buffer_replace (&widget->pending_buffer, NULL);
gst_buffer_replace (&widget->buffer, NULL);
g_mutex_clear (&widget->lock);
g_weak_ref_clear (&widget->element);
if (widget->draw_id)
g_source_remove (widget->draw_id);
}
static gboolean
on_idle_notify (gpointer user_data)
{
BtNotifyIdleData *data = (BtNotifyIdleData *) user_data;
gpointer weak_data = g_weak_ref_get (&data->user_data);
if (weak_data) {
data->func (data->object, data->pspec, weak_data);
g_object_unref (weak_data);
}
g_weak_ref_clear (&data->user_data);
g_slice_free (BtNotifyIdleData, data);
return FALSE;
}
static void
gst_gl_context_finalize (GObject * object)
{
GstGLContext *context = GST_GL_CONTEXT (object);
if (context->window) {
gst_gl_window_set_resize_callback (context->window, NULL, NULL, NULL);
gst_gl_window_set_draw_callback (context->window, NULL, NULL, NULL);
if (context->priv->alive) {
g_mutex_lock (&context->priv->render_lock);
GST_INFO_OBJECT (context, "send quit gl window loop");
gst_gl_window_quit (context->window);
while (context->priv->alive) {
g_cond_wait (&context->priv->destroy_cond, &context->priv->render_lock);
}
g_mutex_unlock (&context->priv->render_lock);
}
gst_gl_window_set_close_callback (context->window, NULL, NULL, NULL);
if (context->priv->gl_thread) {
gpointer ret = g_thread_join (context->priv->gl_thread);
GST_INFO_OBJECT (context, "gl thread joined");
if (ret != NULL)
GST_ERROR_OBJECT (context, "gl thread returned a non-null pointer");
context->priv->gl_thread = NULL;
}
gst_object_unref (context->window);
}
gst_object_unref (context->display);
if (context->gl_vtable) {
g_slice_free (GstGLFuncs, context->gl_vtable);
context->gl_vtable = NULL;
}
g_mutex_clear (&context->priv->render_lock);
g_cond_clear (&context->priv->destroy_cond);
g_cond_clear (&context->priv->create_cond);
g_free (context->priv->gl_exts);
g_weak_ref_clear (&context->priv->other_context_ref);
GST_DEBUG_OBJECT (context, "End of finalize");
G_OBJECT_CLASS (gst_gl_context_parent_class)->finalize (object);
}
static gboolean signal_peer_certificate_received(GWeakRef *ref)
{
GstErDtlsDec *self;
self = g_weak_ref_get(ref);
g_weak_ref_clear(ref);
g_free(ref);
ref = NULL;
if (self) {
g_object_notify_by_pspec(G_OBJECT(self), properties[PROP_PEER_PEM]);
g_object_unref(self);
self = NULL;
}
return FALSE;
}
static void
pango_core_text_font_finalize (GObject *object)
{
PangoCoreTextFont *ctfont = (PangoCoreTextFont *)object;
PangoCoreTextFontPrivate *priv = ctfont->priv;
PangoCoreTextFontMap* fontmap = g_weak_ref_get ((GWeakRef *)&priv->fontmap);
if (fontmap)
{
g_weak_ref_clear ((GWeakRef *)&priv->fontmap);
g_object_unref (fontmap);
}
if (priv->coverage)
pango_coverage_unref (priv->coverage);
G_OBJECT_CLASS (pango_core_text_font_parent_class)->finalize (object);
}
static void
gst_gl_display_finalize (GObject * object)
{
GstGLDisplay *display = GST_GL_DISPLAY (object);
GList *l;
GST_TRACE_OBJECT (object, "finalizing");
for (l = display->priv->contexts; l; l = l->next) {
g_weak_ref_clear ((GWeakRef *) l->data);
g_free (l->data);
}
g_list_free (display->priv->contexts);
G_OBJECT_CLASS (gst_gl_display_parent_class)->finalize (object);
}
/* Properly destroy an ObjRef as it's freed from the hash table */
static void
wref_free_func (gpointer p)
{
ObjRef *ref = p;
GObject *obj = g_weak_ref_get (&ref->ref);
if (obj) {
/* The object is being removed from the bag while it's
* still alive, e.g. by camel_object_bag_remove()
* or camel_object_bag_destroy(). Drop the weak_ref. */
g_object_weak_unref (
obj, (GWeakNotify) object_bag_notify,
ref->bag);
g_object_unref (obj);
}
g_weak_ref_clear (&ref->ref);
g_slice_free (ObjRef, ref);
}
static void mega_filesystem_finalize(GObject *object)
{
MegaFilesystem *filesystem = MEGA_FILESYSTEM(object);
MegaFilesystemPrivate* priv = filesystem->priv;
g_list_free_full(priv->nodes, (GDestroyNotify)g_object_unref);
priv->nodes = NULL;
g_slist_free_full(priv->root_nodes, (GDestroyNotify)g_object_unref);
priv->root_nodes = NULL;
g_hash_table_destroy(priv->pathmap);
g_hash_table_destroy(priv->handlemap);
g_hash_table_destroy(priv->share_keys);
g_weak_ref_clear(&priv->session);
G_OBJECT_CLASS(mega_filesystem_parent_class)->finalize(object);
}
/*
* @stmt may be %NULL
*/
static void
gda_stmt_reset_cb (GdaStatement *stmt, GdaPStmt *pstmt)
{
g_rec_mutex_lock (& pstmt->priv->mutex);
if (stmt)
g_signal_handlers_disconnect_by_func (G_OBJECT (stmt),
G_CALLBACK (gda_stmt_reset_cb), pstmt);
else {
stmt = g_weak_ref_get (& pstmt->priv->gda_stmt_ref);
if (stmt) {
g_signal_handlers_disconnect_by_func (G_OBJECT (stmt),
G_CALLBACK (gda_stmt_reset_cb), pstmt);
g_object_unref (stmt);
}
}
g_weak_ref_clear (& pstmt->priv->gda_stmt_ref);
g_weak_ref_init (& pstmt->priv->gda_stmt_ref, NULL);
g_rec_mutex_unlock (& pstmt->priv->mutex);
}
static void
nice_input_stream_dispose (GObject *object)
{
NiceInputStream *self = NICE_INPUT_STREAM (object);
NiceAgent *agent;
/* Ensure the stream is closed first, otherwise the agent can’t be found in
* the close handler called by the parent implementation. */
if (!g_input_stream_is_closed (G_INPUT_STREAM (object)))
g_input_stream_close (G_INPUT_STREAM (object), NULL, NULL);
agent = g_weak_ref_get (&self->priv->agent_ref);
if (agent != NULL) {
g_signal_handlers_disconnect_by_func (agent, streams_removed_cb, self);
g_object_unref (agent);
}
g_weak_ref_clear (&self->priv->agent_ref);
G_OBJECT_CLASS (nice_input_stream_parent_class)->dispose (object);
}
static void
gst_gl_window_finalize (GObject * object)
{
GstGLWindow *window = GST_GL_WINDOW (object);
GstGLWindowPrivate *priv = window->priv;
if (priv->loop)
g_main_loop_unref (priv->loop);
if (priv->main_context)
g_main_context_unref (priv->main_context);
g_weak_ref_clear (&window->context_ref);
g_mutex_clear (&window->lock);
g_mutex_clear (&window->priv->sync_message_lock);
g_cond_clear (&window->priv->sync_message_cond);
gst_object_unref (window->display);
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
}
static void
gda_sqlite_blob_op_finalize (GObject * object)
{
GdaSqliteBlobOp *bop = (GdaSqliteBlobOp *) object;
g_return_if_fail (GDA_IS_SQLITE_BLOB_OP (bop));
GdaSqliteBlobOpPrivate *priv = gda_sqlite_blob_op_get_instance_private (bop);
/* free specific information */
if (priv->sblob) {
GdaSqliteProvider *prov = g_weak_ref_get (&priv->provider);
if (prov != NULL) {
SQLITE3_CALL (prov, sqlite3_blob_close) (priv->sblob);
g_object_unref (prov);
}
#ifdef GDA_DEBUG_NO
g_print ("CLOSED blob %p\n", bop);
#endif
}
g_weak_ref_clear (&priv->provider);
G_OBJECT_CLASS (gda_sqlite_blob_op_parent_class)->finalize (object);
}
static void bus_set_value_destroy_func(GWeakRef *ref)
{
g_weak_ref_clear(ref);
g_slice_free(GWeakRef, ref);
}
static void test_refcounting()
{
OwrBus *bus;
OwrMessageOrigin *origin;
GWeakRef weak_ref;
GAsyncQueue *queue;
queue = g_async_queue_new();
bus = owr_bus_new();
owr_bus_set_message_callback(bus, on_message, queue, NULL);
origin = mock_origin_new();
owr_bus_add_message_origin(bus, origin);
g_weak_ref_init(&weak_ref, bus);
OWR_POST_STATS(origin, TEST, NULL);
g_object_unref(bus); /* this should finalize the bus, pending messages should not keep it alive */
assert_weak_ref(&weak_ref, FALSE, __LINE__);
g_weak_ref_clear(&weak_ref);
bus = owr_bus_new();
owr_bus_set_message_callback(bus, on_message, queue, NULL);
owr_bus_add_message_origin(bus, origin);
g_weak_ref_init(&weak_ref, origin);
OWR_POST_STATS(origin, TEST, NULL);
g_object_unref(origin); /* the origin should be kept alive though */
g_object_ref(origin);
assert_weak_ref(&weak_ref, TRUE, __LINE__);
g_object_unref(origin);
g_assert(g_async_queue_timeout_pop(queue, G_USEC_PER_SEC));
g_usleep(1000); /* messages are cleaned up after all callbacks have happened, so wait a bit more */
assert_weak_ref(&weak_ref, FALSE, __LINE__); /* but be cleaned up after the message was handled */
g_weak_ref_clear(&weak_ref);
/* same as previous tests, but with message filter */
origin = mock_origin_new();
owr_bus_add_message_origin(bus, origin);
g_weak_ref_init(&weak_ref, origin);
g_object_set(bus, "message-type-mask", OWR_MESSAGE_TYPE_STATS, NULL);
OWR_POST_STATS(origin, TEST, NULL);
OWR_POST_EVENT(origin, TEST, NULL);
OWR_POST_ERROR(origin, TEST, NULL);
g_object_unref(origin);
g_object_ref(origin);
assert_weak_ref(&weak_ref, TRUE, __LINE__);
g_object_unref(origin);
g_assert(g_async_queue_timeout_pop(queue, G_USEC_PER_SEC));
g_usleep(1000);
assert_weak_ref(&weak_ref, FALSE, __LINE__);
g_weak_ref_clear(&weak_ref);
origin = mock_origin_new();
owr_bus_add_message_origin(bus, origin);
g_weak_ref_init(&weak_ref, bus);
OWR_POST_STATS(origin, TEST, NULL);
OWR_POST_EVENT(origin, TEST, NULL);
OWR_POST_ERROR(origin, TEST, NULL);
g_object_unref(bus);
assert_weak_ref(&weak_ref, FALSE, __LINE__);
g_weak_ref_clear(&weak_ref);
}
static void
weak_ref_free (GWeakRef * ref)
{
g_weak_ref_clear (ref);
g_slice_free (GWeakRef, ref);
}