From 00e1b334b3014ce9ed72b5d3391313467d6fe181 Mon Sep 17 00:00:00 2001 From: Vincent Untz Date: Fri, 7 Oct 2011 15:46:51 +0200 Subject: [PATCH 1/2] lib: Disconnect signals from adapters and devices on finalize This avoids some crashes. https://bugzilla.gnome.org/show_bug.cgi?id=661118 https://bugzilla.gnome.org/show_bug.cgi?id=654172 --- lib/bluetooth-client.c | 33 +++++++++++++++++++++++++++++++++ 1 files changed, 33 insertions(+), 0 deletions(-) diff --git a/lib/bluetooth-client.c b/lib/bluetooth-client.c index 86680c3..d7af201 100644 --- a/lib/bluetooth-client.c +++ b/lib/bluetooth-client.c @@ -1021,6 +1021,37 @@ bluetooth_client_set_property (GObject *object, } } +static gboolean +disconnect_from_proxy_helper (GtkTreeModel *model, + GtkTreePath *path, + GtkTreeIter *iter, + gpointer data) +{ + BluetoothClient *client = data; + DBusGProxy *proxy; + + gtk_tree_model_get(model, iter, + BLUETOOTH_COLUMN_PROXY, &proxy, -1); + + /* adapters */ + g_signal_handlers_disconnect_by_func(proxy, + adapter_changed, client); + g_signal_handlers_disconnect_by_func(proxy, + device_created, client); + g_signal_handlers_disconnect_by_func(proxy, + device_removed, client); + g_signal_handlers_disconnect_by_func(proxy, + device_found, client); + + /* devices */ + g_signal_handlers_disconnect_by_func(proxy, + device_changed, client); + + g_object_unref(proxy); + + return FALSE; +} + static void bluetooth_client_finalize(GObject *client) { BluetoothClientPrivate *priv = BLUETOOTH_CLIENT_GET_PRIVATE(client); @@ -1041,6 +1072,8 @@ static void bluetooth_client_finalize(GObject *client) default_adapter_changed, client); g_object_unref(priv->manager); + gtk_tree_model_foreach (GTK_TREE_MODEL(priv->store), disconnect_from_proxy_helper, client); + g_object_unref(priv->store); if (priv->default_adapter) -- 1.7.7 From 63b442bb8a81776887350bad516943ddd61852b8 Mon Sep 17 00:00:00 2001 From: Vincent Untz Date: Tue, 11 Oct 2011 09:46:52 +0200 Subject: [PATCH 2/2] lib: Do not leak proxies for detectable interfaces of devices This avoids signals that will cause crashes. https://bugzilla.gnome.org/show_bug.cgi?id=654172 --- lib/bluetooth-client.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/lib/bluetooth-client.c b/lib/bluetooth-client.c index d7af201..e2f66c7 100644 --- a/lib/bluetooth-client.c +++ b/lib/bluetooth-client.c @@ -103,6 +103,7 @@ struct _BluetoothClientPrivate { DBusGProxy *manager; GtkTreeStore *store; GtkTreeRowReference *default_adapter; + GSList *horrible_workaround_for_leaked_ifaces; }; enum { @@ -266,6 +267,7 @@ device_services_changed (DBusGProxy *iface, const char *property, static GHashTable * device_list_nodes (DBusGProxy *device, BluetoothClient *client, gboolean connect_signal) { + BluetoothClientPrivate *priv = BLUETOOTH_CLIENT_GET_PRIVATE(client); GHashTable *table; guint i; @@ -333,6 +335,8 @@ device_list_nodes (DBusGProxy *device, BluetoothClient *client, gboolean connect dbus_g_proxy_connect_signal(iface, "PropertyChanged", G_CALLBACK(device_services_changed), client, NULL); } + + priv->horrible_workaround_for_leaked_ifaces = g_slist_append (priv->horrible_workaround_for_leaked_ifaces, iface); } } @@ -1055,6 +1059,7 @@ disconnect_from_proxy_helper (GtkTreeModel *model, static void bluetooth_client_finalize(GObject *client) { BluetoothClientPrivate *priv = BLUETOOTH_CLIENT_GET_PRIVATE(client); + GSList *l; DBG("client %p", client); @@ -1079,6 +1084,15 @@ static void bluetooth_client_finalize(GObject *client) if (priv->default_adapter) gtk_tree_row_reference_free (priv->default_adapter); + for (l = priv->horrible_workaround_for_leaked_ifaces; l != NULL; l = l->next) { + DBusGProxy *iface = l->data; + + g_signal_handlers_disconnect_by_func(iface, + device_services_changed, client); + g_object_unref (iface); + } + g_slist_free (priv->horrible_workaround_for_leaked_ifaces); + G_OBJECT_CLASS(bluetooth_client_parent_class)->finalize(client); } -- 1.7.7