diff options
author | Mike Gorse <mgorse@alum.wpi.edu> | 2020-02-27 08:43:16 -0600 |
---|---|---|
committer | Mike Gorse <mgorse@alum.wpi.edu> | 2020-02-27 08:43:16 -0600 |
commit | 47496e0ff2571636db8f3ca8807ce11b50866130 (patch) | |
tree | bcb305e279779ca01de79f0db0a1c682ea7d1bef /bus | |
parent | e459c9ca3380062df26d2bb42d11579586a33c8f (diff) | |
download | at-spi2-core-47496e0ff2571636db8f3ca8807ce11b50866130.tar.gz |
bus-launcher: Use async callback for RegisterClient
This should make the process more robust, in combination with setting the
timeout to G_MAXINT, rather than -1, which effectively defaults to 25
seconds. Otherwise, it is possible for the session manager to be
unresponsive, perhaps waiting for a synchronous call of its own to time out,
and then the session manager will eventually process the RegisterClient, but
at-spi-bus-launcher will have timed out, meaning that we successfully register
with the session manager but don't ever set up our signal handler, meaning
that, later, the session manager sends a QueryEndSession to us, but we don't
see it.
https://bugzilla.opensuse.org/show_bug.cgi?id=1154582
Diffstat (limited to 'bus')
-rw-r--r-- | bus/at-spi-bus-launcher.c | 78 |
1 files changed, 46 insertions, 32 deletions
diff --git a/bus/at-spi-bus-launcher.c b/bus/at-spi-bus-launcher.c index b4f49b85..362fd05f 100644 --- a/bus/at-spi-bus-launcher.c +++ b/bus/at-spi-bus-launcher.c @@ -69,6 +69,7 @@ typedef struct { int pipefd[2]; int listenfd; char *a11y_launch_error_message; + GDBusProxy *sm_proxy; } A11yBusLauncher; static A11yBusLauncher *_global_app = NULL; @@ -140,27 +141,60 @@ client_proxy_ready_cb (GObject *source_object, } static void +client_registered (GObject *source, + GAsyncResult *result, + gpointer user_data) +{ + A11yBusLauncher *app = user_data; + GError *error = NULL; + GVariant *variant; + gchar *object_path; + GDBusProxyFlags flags; + + variant = g_dbus_proxy_call_finish (app->sm_proxy, result, &error); + if (!variant) + { + if (error != NULL) + { + g_warning ("Failed to register client: %s", error->message); + g_error_free (error); + } + } + else + { + g_variant_get (variant, "(o)", &object_path); + g_variant_unref (variant); + + flags = G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES; + g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION, flags, NULL, + "org.gnome.SessionManager", object_path, + "org.gnome.SessionManager.ClientPrivate", + NULL, client_proxy_ready_cb, app); + + g_free (object_path); + } + g_clear_object (&app->sm_proxy); +} + +static void register_client (A11yBusLauncher *app) { GDBusProxyFlags flags; - GDBusProxy *sm_proxy; GError *error; const gchar *app_id; const gchar *autostart_id; gchar *client_startup_id; GVariant *parameters; - GVariant *variant; - gchar *object_path; flags = G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS; error = NULL; - sm_proxy = g_dbus_proxy_new_sync (app->session_bus, flags, NULL, - "org.gnome.SessionManager", - "/org/gnome/SessionManager", - "org.gnome.SessionManager", - NULL, &error); + app->sm_proxy = g_dbus_proxy_new_sync (app->session_bus, flags, NULL, + "org.gnome.SessionManager", + "/org/gnome/SessionManager", + "org.gnome.SessionManager", + NULL, &error); if (error != NULL) { @@ -187,31 +221,11 @@ register_client (A11yBusLauncher *app) g_free (client_startup_id); error = NULL; - variant = g_dbus_proxy_call_sync (sm_proxy, - "RegisterClient", parameters, - G_DBUS_CALL_FLAGS_NONE, - -1, NULL, &error); - - g_object_unref (sm_proxy); - - if (error != NULL) - { - g_warning ("Failed to register client: %s", error->message); - g_error_free (error); - - return; - } - - g_variant_get (variant, "(o)", &object_path); - g_variant_unref (variant); - - flags = G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES; - g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION, flags, NULL, - "org.gnome.SessionManager", object_path, - "org.gnome.SessionManager.ClientPrivate", - NULL, client_proxy_ready_cb, app); + g_dbus_proxy_call (app->sm_proxy, + "RegisterClient", parameters, + G_DBUS_CALL_FLAGS_NONE, + G_MAXINT, NULL, client_registered, app); - g_free (object_path); } static void |