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GSettings: support emitting signals in threads

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The thread-default context that was in effect at the time that the
GSettings was created will be used for emitting signals on that
GSettings.
This commit is contained in:
Ryan Lortie
2010-05-16 13:02:23 +02:00
parent 849684e540
commit 984258c662
4 changed files with 159 additions and 2 deletions
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18
gio/gsettings.c
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@@ -146,6 +146,9 @@
struct _GSettingsPrivate
{
/* where the signals go... */
GMainContext *main_context;
GSettingsBackend *backend;
GSettingsSchema *schema;
gchar *schema_name;
@@ -363,6 +366,7 @@ g_settings_constructed (GObject *object)
settings->priv->backend = g_settings_backend_get_with_context (settings->priv->context);
g_settings_backend_watch (settings->priv->backend,
settings->priv->main_context,
settings_backend_changed,
settings_backend_path_changed,
settings_backend_keys_changed,
@@ -379,6 +383,13 @@ g_settings_init (GSettings *settings)
settings->priv = G_TYPE_INSTANCE_GET_PRIVATE (settings,
G_TYPE_SETTINGS,
GSettingsPrivate);
settings->priv->main_context = g_main_context_get_thread_default ();
if (settings->priv->main_context == NULL)
settings->priv->main_context = g_main_context_default ();
g_main_context_ref (settings->priv->main_context);
}
/**
@@ -406,6 +417,7 @@ g_settings_delay (GSettings *settings)
settings->priv->backend = G_SETTINGS_BACKEND (settings->priv->delayed);
g_settings_backend_watch (settings->priv->backend,
settings->priv->main_context,
settings_backend_changed,
settings_backend_path_changed,
settings_backend_keys_changed,
@@ -537,6 +549,7 @@ g_settings_finalize (GObject *object)
g_settings_backend_unwatch (settings->priv->backend, settings);
g_settings_backend_unsubscribe (settings->priv->backend,
settings->priv->path);
g_main_context_unref (settings->priv->main_context);
g_object_unref (settings->priv->backend);
g_object_unref (settings->priv->schema);
g_free (settings->priv->schema_name);
@@ -1016,6 +1029,11 @@ g_settings_get_child (GSettings *settings,
*
* Creates a new #GSettings object with a given schema.
*
* Signals on the newly created #GSettings object will be dispatched
* via the thread-default #GMainContext in effect at the time of the
* call to g_settings_new(). The new #GSettings will hold a reference
* on the context. See g_main_context_push_thread_default().
*
* Since: 2.26
*/
GSettings *